CbC/CbC_gcc: gcc/config/lm32/lm32.c annotate

annotate gcc/config/lm32/lm32.c @ 111:04ced10e8804

gcc 7

author	kono
date	Fri, 27 Oct 2017 22:46:09 +0900
parents	f6334be47118
children	84e7813d76e9

rev	line source
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1 /* Subroutines used for code generation on the Lattice Mico32 architecture.
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	2 Contributed by Jon Beniston <jon@beniston.com>
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	3
111 04ced10e8804 gcc 7 kono parents: 67 diff changeset	4 Copyright (C) 2009-2017 Free Software Foundation, Inc.
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	5
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	6 This file is part of GCC.
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	7
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	8 GCC is free software; you can redistribute it and/or modify it
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	9 under the terms of the GNU General Public License as published
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	10 by the Free Software Foundation; either version 3, or (at your
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	11 option) any later version.
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	12
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	13 GCC is distributed in the hope that it will be useful, but WITHOUT
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	15 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	16 License for more details.
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	17
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	18 You should have received a copy of the GNU General Public License
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	19 along with GCC; see the file COPYING3. If not see
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	20 <http://www.gnu.org/licenses/>. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	21
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	22 #include "config.h"
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	23 #include "system.h"
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	24 #include "coretypes.h"
111 04ced10e8804 gcc 7 kono parents: 67 diff changeset	25 #include "backend.h"
04ced10e8804 gcc 7 kono parents: 67 diff changeset	26 #include "target.h"
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	27 #include "rtl.h"
111 04ced10e8804 gcc 7 kono parents: 67 diff changeset	28 #include "tree.h"
04ced10e8804 gcc 7 kono parents: 67 diff changeset	29 #include "stringpool.h"
04ced10e8804 gcc 7 kono parents: 67 diff changeset	30 #include "attribs.h"
04ced10e8804 gcc 7 kono parents: 67 diff changeset	31 #include "df.h"
04ced10e8804 gcc 7 kono parents: 67 diff changeset	32 #include "memmodel.h"
04ced10e8804 gcc 7 kono parents: 67 diff changeset	33 #include "tm_p.h"
04ced10e8804 gcc 7 kono parents: 67 diff changeset	34 #include "optabs.h"
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	35 #include "regs.h"
111 04ced10e8804 gcc 7 kono parents: 67 diff changeset	36 #include "emit-rtl.h"
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	37 #include "recog.h"
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	38 #include "output.h"
111 04ced10e8804 gcc 7 kono parents: 67 diff changeset	39 #include "calls.h"
04ced10e8804 gcc 7 kono parents: 67 diff changeset	40 #include "alias.h"
04ced10e8804 gcc 7 kono parents: 67 diff changeset	41 #include "explow.h"
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	42 #include "expr.h"
111 04ced10e8804 gcc 7 kono parents: 67 diff changeset	43 #include "tm-constrs.h"
04ced10e8804 gcc 7 kono parents: 67 diff changeset	44 #include "builtins.h"
04ced10e8804 gcc 7 kono parents: 67 diff changeset	45
04ced10e8804 gcc 7 kono parents: 67 diff changeset	46 /* This file should be included last. */
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	47 #include "target-def.h"
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	48
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	49 struct lm32_frame_info
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	50 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	51 HOST_WIDE_INT total_size; /* number of bytes of entire frame. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	52 HOST_WIDE_INT callee_size; /* number of bytes to save callee saves. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	53 HOST_WIDE_INT pretend_size; /* number of bytes we pretend caller did. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	54 HOST_WIDE_INT args_size; /* number of bytes for outgoing arguments. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	55 HOST_WIDE_INT locals_size; /* number of bytes for local variables. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	56 unsigned int reg_save_mask; /* mask of saved registers. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	57 };
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	58
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	59 /* Prototypes for static functions. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	60 static rtx emit_add (rtx dest, rtx src0, rtx src1);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	61 static void expand_save_restore (struct lm32_frame_info *info, int op);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	62 static void stack_adjust (HOST_WIDE_INT amount);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	63 static bool lm32_in_small_data_p (const_tree);
111 04ced10e8804 gcc 7 kono parents: 67 diff changeset	64 static void lm32_setup_incoming_varargs (cumulative_args_t cum,
04ced10e8804 gcc 7 kono parents: 67 diff changeset	65 machine_mode mode, tree type,
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	66 int *pretend_size, int no_rtl);
111 04ced10e8804 gcc 7 kono parents: 67 diff changeset	67 static bool lm32_rtx_costs (rtx x, machine_mode mode, int outer_code, int opno,
04ced10e8804 gcc 7 kono parents: 67 diff changeset	68 int *total, bool speed);
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	69 static bool lm32_can_eliminate (const int, const int);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	70 static bool
111 04ced10e8804 gcc 7 kono parents: 67 diff changeset	71 lm32_legitimate_address_p (machine_mode mode, rtx x, bool strict);
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	72 static HOST_WIDE_INT lm32_compute_frame_size (int size);
67 f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	73 static void lm32_option_override (void);
111 04ced10e8804 gcc 7 kono parents: 67 diff changeset	74 static rtx lm32_function_arg (cumulative_args_t cum,
04ced10e8804 gcc 7 kono parents: 67 diff changeset	75 machine_mode mode, const_tree type,
67 f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	76 bool named);
111 04ced10e8804 gcc 7 kono parents: 67 diff changeset	77 static void lm32_function_arg_advance (cumulative_args_t cum,
04ced10e8804 gcc 7 kono parents: 67 diff changeset	78 machine_mode mode,
67 f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	79 const_tree type, bool named);
111 04ced10e8804 gcc 7 kono parents: 67 diff changeset	80 static bool lm32_hard_regno_mode_ok (unsigned int, machine_mode);
04ced10e8804 gcc 7 kono parents: 67 diff changeset	81 static bool lm32_modes_tieable_p (machine_mode, machine_mode);
04ced10e8804 gcc 7 kono parents: 67 diff changeset	82 static HOST_WIDE_INT lm32_starting_frame_offset (void);
67 f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	83
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	84 #undef TARGET_OPTION_OVERRIDE
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	85 #define TARGET_OPTION_OVERRIDE lm32_option_override
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	86 #undef TARGET_ADDRESS_COST
111 04ced10e8804 gcc 7 kono parents: 67 diff changeset	87 #define TARGET_ADDRESS_COST hook_int_rtx_mode_as_bool_0
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	88 #undef TARGET_RTX_COSTS
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	89 #define TARGET_RTX_COSTS lm32_rtx_costs
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	90 #undef TARGET_IN_SMALL_DATA_P
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	91 #define TARGET_IN_SMALL_DATA_P lm32_in_small_data_p
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	92 #undef TARGET_PROMOTE_FUNCTION_MODE
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	93 #define TARGET_PROMOTE_FUNCTION_MODE default_promote_function_mode_always_promote
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	94 #undef TARGET_SETUP_INCOMING_VARARGS
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	95 #define TARGET_SETUP_INCOMING_VARARGS lm32_setup_incoming_varargs
67 f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	96 #undef TARGET_FUNCTION_ARG
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	97 #define TARGET_FUNCTION_ARG lm32_function_arg
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	98 #undef TARGET_FUNCTION_ARG_ADVANCE
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	99 #define TARGET_FUNCTION_ARG_ADVANCE lm32_function_arg_advance
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	100 #undef TARGET_PROMOTE_PROTOTYPES
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	101 #define TARGET_PROMOTE_PROTOTYPES hook_bool_const_tree_true
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	102 #undef TARGET_MIN_ANCHOR_OFFSET
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	103 #define TARGET_MIN_ANCHOR_OFFSET -0x8000
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	104 #undef TARGET_MAX_ANCHOR_OFFSET
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	105 #define TARGET_MAX_ANCHOR_OFFSET 0x7fff
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	106 #undef TARGET_CAN_ELIMINATE
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	107 #define TARGET_CAN_ELIMINATE lm32_can_eliminate
111 04ced10e8804 gcc 7 kono parents: 67 diff changeset	108 #undef TARGET_LRA_P
04ced10e8804 gcc 7 kono parents: 67 diff changeset	109 #define TARGET_LRA_P hook_bool_void_false
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	110 #undef TARGET_LEGITIMATE_ADDRESS_P
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	111 #define TARGET_LEGITIMATE_ADDRESS_P lm32_legitimate_address_p
111 04ced10e8804 gcc 7 kono parents: 67 diff changeset	112 #undef TARGET_HARD_REGNO_MODE_OK
04ced10e8804 gcc 7 kono parents: 67 diff changeset	113 #define TARGET_HARD_REGNO_MODE_OK lm32_hard_regno_mode_ok
04ced10e8804 gcc 7 kono parents: 67 diff changeset	114 #undef TARGET_MODES_TIEABLE_P
04ced10e8804 gcc 7 kono parents: 67 diff changeset	115 #define TARGET_MODES_TIEABLE_P lm32_modes_tieable_p
04ced10e8804 gcc 7 kono parents: 67 diff changeset	116
04ced10e8804 gcc 7 kono parents: 67 diff changeset	117 #undef TARGET_CONSTANT_ALIGNMENT
04ced10e8804 gcc 7 kono parents: 67 diff changeset	118 #define TARGET_CONSTANT_ALIGNMENT constant_alignment_word_strings
04ced10e8804 gcc 7 kono parents: 67 diff changeset	119
04ced10e8804 gcc 7 kono parents: 67 diff changeset	120 #undef TARGET_STARTING_FRAME_OFFSET
04ced10e8804 gcc 7 kono parents: 67 diff changeset	121 #define TARGET_STARTING_FRAME_OFFSET lm32_starting_frame_offset
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	122
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	123 struct gcc_target targetm = TARGET_INITIALIZER;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	124
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	125 /* Current frame information calculated by lm32_compute_frame_size. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	126 static struct lm32_frame_info current_frame_info;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	127
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	128 /* Return non-zero if the given return type should be returned in memory. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	129
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	130 int
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	131 lm32_return_in_memory (tree type)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	132 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	133 HOST_WIDE_INT size;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	134
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	135 if (!AGGREGATE_TYPE_P (type))
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	136 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	137 /* All simple types are returned in registers. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	138 return 0;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	139 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	140
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	141 size = int_size_in_bytes (type);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	142 if (size >= 0 && size <= UNITS_PER_WORD)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	143 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	144 /* If it can fit in one register. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	145 return 0;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	146 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	147
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	148 return 1;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	149 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	150
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	151 /* Generate an emit a word sized add instruction. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	152
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	153 static rtx
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	154 emit_add (rtx dest, rtx src0, rtx src1)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	155 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	156 rtx insn;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	157 insn = emit_insn (gen_addsi3 (dest, src0, src1));
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	158 return insn;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	159 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	160
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	161 /* Generate the code to compare (and possibly branch) two integer values
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	162 TEST_CODE is the comparison code we are trying to emulate
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	163 (or implement directly)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	164 RESULT is where to store the result of the comparison,
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	165 or null to emit a branch
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	166 CMP0 CMP1 are the two comparison operands
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	167 DESTINATION is the destination of the branch, or null to only compare
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	168 */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	169
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	170 static void
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	171 gen_int_relational (enum rtx_code code,
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	172 rtx result,
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	173 rtx cmp0,
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	174 rtx cmp1,
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	175 rtx destination)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	176 {
111 04ced10e8804 gcc 7 kono parents: 67 diff changeset	177 machine_mode mode;
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	178 int branch_p;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	179
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	180 mode = GET_MODE (cmp0);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	181 if (mode == VOIDmode)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	182 mode = GET_MODE (cmp1);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	183
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	184 /* Is this a branch or compare. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	185 branch_p = (destination != 0);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	186
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	187 /* Instruction set doesn't support LE or LT, so swap operands and use
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	188 GE, GT. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	189 switch (code)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	190 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	191 case LE:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	192 case LT:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	193 case LEU:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	194 case LTU:
67 f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	195 {
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	196 rtx temp;
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	197
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	198 code = swap_condition (code);
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	199 temp = cmp0;
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	200 cmp0 = cmp1;
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	201 cmp1 = temp;
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	202 break;
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	203 }
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	204 default:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	205 break;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	206 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	207
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	208 if (branch_p)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	209 {
67 f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	210 rtx insn, cond, label;
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	211
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	212 /* Operands must be in registers. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	213 if (!register_operand (cmp0, mode))
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	214 cmp0 = force_reg (mode, cmp0);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	215 if (!register_operand (cmp1, mode))
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	216 cmp1 = force_reg (mode, cmp1);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	217
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	218 /* Generate conditional branch instruction. */
67 f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	219 cond = gen_rtx_fmt_ee (code, mode, cmp0, cmp1);
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	220 label = gen_rtx_LABEL_REF (VOIDmode, destination);
111 04ced10e8804 gcc 7 kono parents: 67 diff changeset	221 insn = gen_rtx_SET (pc_rtx, gen_rtx_IF_THEN_ELSE (VOIDmode,
04ced10e8804 gcc 7 kono parents: 67 diff changeset	222 cond, label, pc_rtx));
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	223 emit_jump_insn (insn);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	224 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	225 else
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	226 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	227 /* We can't have const_ints in cmp0, other than 0. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	228 if ((GET_CODE (cmp0) == CONST_INT) && (INTVAL (cmp0) != 0))
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	229 cmp0 = force_reg (mode, cmp0);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	230
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	231 /* If the comparison is against an int not in legal range
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	232 move it into a register. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	233 if (GET_CODE (cmp1) == CONST_INT)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	234 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	235 switch (code)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	236 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	237 case EQ:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	238 case NE:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	239 case LE:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	240 case LT:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	241 case GE:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	242 case GT:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	243 if (!satisfies_constraint_K (cmp1))
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	244 cmp1 = force_reg (mode, cmp1);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	245 break;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	246 case LEU:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	247 case LTU:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	248 case GEU:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	249 case GTU:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	250 if (!satisfies_constraint_L (cmp1))
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	251 cmp1 = force_reg (mode, cmp1);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	252 break;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	253 default:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	254 gcc_unreachable ();
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	255 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	256 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	257
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	258 /* Generate compare instruction. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	259 emit_move_insn (result, gen_rtx_fmt_ee (code, mode, cmp0, cmp1));
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	260 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	261 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	262
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	263 /* Try performing the comparison in OPERANDS[1], whose arms are OPERANDS[2]
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	264 and OPERAND[3]. Store the result in OPERANDS[0]. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	265
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	266 void
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	267 lm32_expand_scc (rtx operands[])
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	268 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	269 rtx target = operands[0];
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	270 enum rtx_code code = GET_CODE (operands[1]);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	271 rtx op0 = operands[2];
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	272 rtx op1 = operands[3];
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	273
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	274 gen_int_relational (code, target, op0, op1, NULL_RTX);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	275 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	276
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	277 /* Compare OPERANDS[1] with OPERANDS[2] using comparison code
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	278 CODE and jump to OPERANDS[3] if the condition holds. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	279
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	280 void
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	281 lm32_expand_conditional_branch (rtx operands[])
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	282 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	283 enum rtx_code code = GET_CODE (operands[0]);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	284 rtx op0 = operands[1];
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	285 rtx op1 = operands[2];
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	286 rtx destination = operands[3];
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	287
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	288 gen_int_relational (code, NULL_RTX, op0, op1, destination);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	289 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	290
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	291 /* Generate and emit RTL to save or restore callee save registers. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	292 static void
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	293 expand_save_restore (struct lm32_frame_info *info, int op)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	294 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	295 unsigned int reg_save_mask = info->reg_save_mask;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	296 int regno;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	297 HOST_WIDE_INT offset;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	298 rtx insn;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	299
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	300 /* Callee saves are below locals and above outgoing arguments. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	301 offset = info->args_size + info->callee_size;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	302 for (regno = 0; regno <= 31; regno++)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	303 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	304 if ((reg_save_mask & (1 << regno)) != 0)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	305 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	306 rtx offset_rtx;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	307 rtx mem;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	308
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	309 offset_rtx = GEN_INT (offset);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	310 if (satisfies_constraint_K (offset_rtx))
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	311 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	312 mem = gen_rtx_MEM (word_mode,
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	313 gen_rtx_PLUS (Pmode,
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	314 stack_pointer_rtx,
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	315 offset_rtx));
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	316 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	317 else
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	318 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	319 /* r10 is caller saved so it can be used as a temp reg. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	320 rtx r10;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	321
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	322 r10 = gen_rtx_REG (word_mode, 10);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	323 insn = emit_move_insn (r10, offset_rtx);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	324 if (op == 0)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	325 RTX_FRAME_RELATED_P (insn) = 1;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	326 insn = emit_add (r10, r10, stack_pointer_rtx);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	327 if (op == 0)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	328 RTX_FRAME_RELATED_P (insn) = 1;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	329 mem = gen_rtx_MEM (word_mode, r10);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	330 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	331
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	332 if (op == 0)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	333 insn = emit_move_insn (mem, gen_rtx_REG (word_mode, regno));
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	334 else
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	335 insn = emit_move_insn (gen_rtx_REG (word_mode, regno), mem);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	336
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	337 /* only prologue instructions which set the sp fp or save a
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	338 register should be marked as frame related. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	339 if (op == 0)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	340 RTX_FRAME_RELATED_P (insn) = 1;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	341 offset -= UNITS_PER_WORD;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	342 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	343 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	344 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	345
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	346 static void
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	347 stack_adjust (HOST_WIDE_INT amount)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	348 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	349 rtx insn;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	350
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	351 if (!IN_RANGE (amount, -32776, 32768))
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	352 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	353 /* r10 is caller saved so it can be used as a temp reg. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	354 rtx r10;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	355 r10 = gen_rtx_REG (word_mode, 10);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	356 insn = emit_move_insn (r10, GEN_INT (amount));
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	357 if (amount < 0)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	358 RTX_FRAME_RELATED_P (insn) = 1;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	359 insn = emit_add (stack_pointer_rtx, stack_pointer_rtx, r10);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	360 if (amount < 0)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	361 RTX_FRAME_RELATED_P (insn) = 1;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	362 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	363 else
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	364 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	365 insn = emit_add (stack_pointer_rtx,
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	366 stack_pointer_rtx, GEN_INT (amount));
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	367 if (amount < 0)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	368 RTX_FRAME_RELATED_P (insn) = 1;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	369 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	370 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	371
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	372
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	373 /* Create and emit instructions for a functions prologue. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	374 void
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	375 lm32_expand_prologue (void)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	376 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	377 rtx insn;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	378
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	379 lm32_compute_frame_size (get_frame_size ());
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	380
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	381 if (current_frame_info.total_size > 0)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	382 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	383 /* Add space on stack new frame. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	384 stack_adjust (-current_frame_info.total_size);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	385
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	386 /* Save callee save registers. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	387 if (current_frame_info.reg_save_mask != 0)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	388 expand_save_restore (&current_frame_info, 0);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	389
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	390 /* Setup frame pointer if it's needed. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	391 if (frame_pointer_needed == 1)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	392 {
67 f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	393 /* Move sp to fp. */
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	394 insn = emit_move_insn (frame_pointer_rtx, stack_pointer_rtx);
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	395 RTX_FRAME_RELATED_P (insn) = 1;
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	396
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	397 /* Add offset - Don't use total_size, as that includes pretend_size,
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	398 which isn't part of this frame? */
67 f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	399 insn = emit_add (frame_pointer_rtx,
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	400 frame_pointer_rtx,
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	401 GEN_INT (current_frame_info.args_size +
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	402 current_frame_info.callee_size +
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	403 current_frame_info.locals_size));
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	404 RTX_FRAME_RELATED_P (insn) = 1;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	405 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	406
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	407 /* Prevent prologue from being scheduled into function body. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	408 emit_insn (gen_blockage ());
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	409 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	410 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	411
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	412 /* Create an emit instructions for a functions epilogue. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	413 void
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	414 lm32_expand_epilogue (void)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	415 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	416 rtx ra_rtx = gen_rtx_REG (Pmode, RA_REGNUM);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	417
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	418 lm32_compute_frame_size (get_frame_size ());
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	419
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	420 if (current_frame_info.total_size > 0)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	421 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	422 /* Prevent stack code from being reordered. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	423 emit_insn (gen_blockage ());
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	424
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	425 /* Restore callee save registers. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	426 if (current_frame_info.reg_save_mask != 0)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	427 expand_save_restore (&current_frame_info, 1);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	428
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	429 /* Deallocate stack. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	430 stack_adjust (current_frame_info.total_size);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	431
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	432 /* Return to calling function. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	433 emit_jump_insn (gen_return_internal (ra_rtx));
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	434 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	435 else
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	436 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	437 /* Return to calling function. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	438 emit_jump_insn (gen_return_internal (ra_rtx));
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	439 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	440 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	441
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	442 /* Return the bytes needed to compute the frame pointer from the current
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	443 stack pointer. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	444 static HOST_WIDE_INT
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	445 lm32_compute_frame_size (int size)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	446 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	447 int regno;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	448 HOST_WIDE_INT total_size, locals_size, args_size, pretend_size, callee_size;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	449 unsigned int reg_save_mask;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	450
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	451 locals_size = size;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	452 args_size = crtl->outgoing_args_size;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	453 pretend_size = crtl->args.pretend_args_size;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	454 callee_size = 0;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	455 reg_save_mask = 0;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	456
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	457 /* Build mask that actually determines which regsiters we save
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	458 and calculate size required to store them in the stack. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	459 for (regno = 1; regno < SP_REGNUM; regno++)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	460 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	461 if (df_regs_ever_live_p (regno) && !call_used_regs[regno])
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	462 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	463 reg_save_mask \|= 1 << regno;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	464 callee_size += UNITS_PER_WORD;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	465 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	466 }
111 04ced10e8804 gcc 7 kono parents: 67 diff changeset	467 if (df_regs_ever_live_p (RA_REGNUM) \|\| ! crtl->is_leaf
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	468 \|\| !optimize)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	469 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	470 reg_save_mask \|= 1 << RA_REGNUM;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	471 callee_size += UNITS_PER_WORD;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	472 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	473 if (!(reg_save_mask & (1 << FP_REGNUM)) && frame_pointer_needed)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	474 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	475 reg_save_mask \|= 1 << FP_REGNUM;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	476 callee_size += UNITS_PER_WORD;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	477 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	478
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	479 /* Compute total frame size. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	480 total_size = pretend_size + args_size + locals_size + callee_size;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	481
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	482 /* Align frame to appropriate boundary. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	483 total_size = (total_size + 3) & ~3;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	484
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	485 /* Save computed information. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	486 current_frame_info.total_size = total_size;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	487 current_frame_info.callee_size = callee_size;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	488 current_frame_info.pretend_size = pretend_size;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	489 current_frame_info.locals_size = locals_size;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	490 current_frame_info.args_size = args_size;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	491 current_frame_info.reg_save_mask = reg_save_mask;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	492
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	493 return total_size;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	494 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	495
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	496 void
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	497 lm32_print_operand (FILE * file, rtx op, int letter)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	498 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	499 enum rtx_code code;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	500
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	501 code = GET_CODE (op);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	502
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	503 if (code == SIGN_EXTEND)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	504 op = XEXP (op, 0), code = GET_CODE (op);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	505 else if (code == REG \|\| code == SUBREG)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	506 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	507 int regnum;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	508
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	509 if (code == REG)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	510 regnum = REGNO (op);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	511 else
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	512 regnum = true_regnum (op);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	513
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	514 fprintf (file, "%s", reg_names[regnum]);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	515 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	516 else if (code == HIGH)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	517 output_addr_const (file, XEXP (op, 0));
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	518 else if (code == MEM)
111 04ced10e8804 gcc 7 kono parents: 67 diff changeset	519 output_address (GET_MODE (op), XEXP (op, 0));
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	520 else if (letter == 'z' && GET_CODE (op) == CONST_INT && INTVAL (op) == 0)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	521 fprintf (file, "%s", reg_names[0]);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	522 else if (GET_CODE (op) == CONST_DOUBLE)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	523 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	524 if ((CONST_DOUBLE_LOW (op) != 0) \|\| (CONST_DOUBLE_HIGH (op) != 0))
67 f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	525 output_operand_lossage ("only 0.0 can be loaded as an immediate");
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	526 else
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	527 fprintf (file, "0");
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	528 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	529 else if (code == EQ)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	530 fprintf (file, "e ");
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	531 else if (code == NE)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	532 fprintf (file, "ne ");
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	533 else if (code == GT)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	534 fprintf (file, "g ");
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	535 else if (code == GTU)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	536 fprintf (file, "gu ");
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	537 else if (code == LT)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	538 fprintf (file, "l ");
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	539 else if (code == LTU)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	540 fprintf (file, "lu ");
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	541 else if (code == GE)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	542 fprintf (file, "ge ");
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	543 else if (code == GEU)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	544 fprintf (file, "geu");
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	545 else if (code == LE)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	546 fprintf (file, "le ");
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	547 else if (code == LEU)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	548 fprintf (file, "leu");
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	549 else
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	550 output_addr_const (file, op);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	551 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	552
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	553 /* A C compound statement to output to stdio stream STREAM the
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	554 assembler syntax for an instruction operand that is a memory
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	555 reference whose address is ADDR. ADDR is an RTL expression.
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	556
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	557 On some machines, the syntax for a symbolic address depends on
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	558 the section that the address refers to. On these machines,
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	559 define the macro `ENCODE_SECTION_INFO' to store the information
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	560 into the `symbol_ref', and then check for it here. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	561
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	562 void
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	563 lm32_print_operand_address (FILE * file, rtx addr)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	564 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	565 switch (GET_CODE (addr))
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	566 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	567 case REG:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	568 fprintf (file, "(%s+0)", reg_names[REGNO (addr)]);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	569 break;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	570
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	571 case MEM:
111 04ced10e8804 gcc 7 kono parents: 67 diff changeset	572 output_address (VOIDmode, XEXP (addr, 0));
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	573 break;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	574
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	575 case PLUS:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	576 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	577 rtx arg0 = XEXP (addr, 0);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	578 rtx arg1 = XEXP (addr, 1);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	579
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	580 if (GET_CODE (arg0) == REG && CONSTANT_P (arg1))
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	581 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	582 if (GET_CODE (arg1) == CONST_INT)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	583 fprintf (file, "(%s+%ld)", reg_names[REGNO (arg0)],
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	584 INTVAL (arg1));
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	585 else
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	586 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	587 fprintf (file, "(%s+", reg_names[REGNO (arg0)]);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	588 output_addr_const (file, arg1);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	589 fprintf (file, ")");
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	590 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	591 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	592 else if (CONSTANT_P (arg0) && CONSTANT_P (arg1))
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	593 output_addr_const (file, addr);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	594 else
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	595 fatal_insn ("bad operand", addr);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	596 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	597 break;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	598
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	599 case SYMBOL_REF:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	600 if (SYMBOL_REF_SMALL_P (addr))
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	601 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	602 fprintf (file, "gp(");
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	603 output_addr_const (file, addr);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	604 fprintf (file, ")");
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	605 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	606 else
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	607 fatal_insn ("can't use non gp relative absolute address", addr);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	608 break;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	609
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	610 default:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	611 fatal_insn ("invalid addressing mode", addr);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	612 break;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	613 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	614 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	615
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	616 /* Determine where to put an argument to a function.
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	617 Value is zero to push the argument on the stack,
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	618 or a hard register in which to store the argument.
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	619
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	620 MODE is the argument's machine mode.
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	621 TYPE is the data type of the argument (as a tree).
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	622 This is null for libcalls where that information may
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	623 not be available.
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	624 CUM is a variable of type CUMULATIVE_ARGS which gives info about
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	625 the preceding args and about the function being called.
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	626 NAMED is nonzero if this argument is a named parameter
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	627 (otherwise it is an extra parameter matching an ellipsis). */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	628
67 f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	629 static rtx
111 04ced10e8804 gcc 7 kono parents: 67 diff changeset	630 lm32_function_arg (cumulative_args_t cum_v, machine_mode mode,
67 f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	631 const_tree type, bool named)
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	632 {
111 04ced10e8804 gcc 7 kono parents: 67 diff changeset	633 CUMULATIVE_ARGS *cum = get_cumulative_args (cum_v);
04ced10e8804 gcc 7 kono parents: 67 diff changeset	634
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	635 if (mode == VOIDmode)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	636 /* Compute operand 2 of the call insn. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	637 return GEN_INT (0);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	638
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	639 if (targetm.calls.must_pass_in_stack (mode, type))
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	640 return NULL_RTX;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	641
67 f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	642 if (!named \|\| (*cum + LM32_NUM_REGS2 (mode, type) > LM32_NUM_ARG_REGS))
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	643 return NULL_RTX;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	644
67 f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	645 return gen_rtx_REG (mode, *cum + LM32_FIRST_ARG_REG);
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	646 }
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	647
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	648 static void
111 04ced10e8804 gcc 7 kono parents: 67 diff changeset	649 lm32_function_arg_advance (cumulative_args_t cum, machine_mode mode,
67 f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	650 const_tree type, bool named ATTRIBUTE_UNUSED)
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	651 {
111 04ced10e8804 gcc 7 kono parents: 67 diff changeset	652 *get_cumulative_args (cum) += LM32_NUM_REGS2 (mode, type);
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	653 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	654
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	655 HOST_WIDE_INT
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	656 lm32_compute_initial_elimination_offset (int from, int to)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	657 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	658 HOST_WIDE_INT offset = 0;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	659
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	660 switch (from)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	661 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	662 case ARG_POINTER_REGNUM:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	663 switch (to)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	664 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	665 case FRAME_POINTER_REGNUM:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	666 offset = 0;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	667 break;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	668 case STACK_POINTER_REGNUM:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	669 offset =
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	670 lm32_compute_frame_size (get_frame_size ()) -
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	671 current_frame_info.pretend_size;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	672 break;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	673 default:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	674 gcc_unreachable ();
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	675 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	676 break;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	677 default:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	678 gcc_unreachable ();
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	679 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	680
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	681 return offset;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	682 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	683
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	684 static void
111 04ced10e8804 gcc 7 kono parents: 67 diff changeset	685 lm32_setup_incoming_varargs (cumulative_args_t cum_v, machine_mode mode,
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	686 tree type, int *pretend_size, int no_rtl)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	687 {
111 04ced10e8804 gcc 7 kono parents: 67 diff changeset	688 CUMULATIVE_ARGS *cum = get_cumulative_args (cum_v);
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	689 int first_anon_arg;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	690 tree fntype;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	691
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	692 fntype = TREE_TYPE (current_function_decl);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	693
67 f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	694 if (stdarg_p (fntype))
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	695 first_anon_arg = *cum + LM32_FIRST_ARG_REG;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	696 else
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	697 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	698 /* this is the common case, we have been passed details setup
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	699 for the last named argument, we want to skip over the
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	700 registers, if any used in passing this named paramter in
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	701 order to determine which is the first registers used to pass
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	702 anonymous arguments. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	703 int size;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	704
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	705 if (mode == BLKmode)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	706 size = int_size_in_bytes (type);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	707 else
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	708 size = GET_MODE_SIZE (mode);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	709
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	710 first_anon_arg =
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	711 *cum + LM32_FIRST_ARG_REG +
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	712 ((size + UNITS_PER_WORD - 1) / UNITS_PER_WORD);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	713 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	714
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	715 if ((first_anon_arg < (LM32_FIRST_ARG_REG + LM32_NUM_ARG_REGS)) && !no_rtl)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	716 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	717 int first_reg_offset = first_anon_arg;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	718 int size = LM32_FIRST_ARG_REG + LM32_NUM_ARG_REGS - first_anon_arg;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	719 rtx regblock;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	720
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	721 regblock = gen_rtx_MEM (BLKmode,
111 04ced10e8804 gcc 7 kono parents: 67 diff changeset	722 plus_constant (Pmode, arg_pointer_rtx,
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	723 FIRST_PARM_OFFSET (0)));
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	724 move_block_from_reg (first_reg_offset, regblock, size);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	725
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	726 pretend_size = size UNITS_PER_WORD;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	727 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	728 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	729
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	730 /* Override command line options. */
67 f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	731 static void
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	732 lm32_option_override (void)
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	733 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	734 /* We must have sign-extend enabled if barrel-shift isn't. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	735 if (!TARGET_BARREL_SHIFT_ENABLED && !TARGET_SIGN_EXTEND_ENABLED)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	736 target_flags \|= MASK_SIGN_EXTEND_ENABLED;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	737 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	738
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	739 /* Return nonzero if this function is known to have a null epilogue.
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	740 This allows the optimizer to omit jumps to jumps if no stack
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	741 was created. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	742 int
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	743 lm32_can_use_return (void)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	744 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	745 if (!reload_completed)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	746 return 0;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	747
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	748 if (df_regs_ever_live_p (RA_REGNUM) \|\| crtl->profile)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	749 return 0;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	750
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	751 if (lm32_compute_frame_size (get_frame_size ()) != 0)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	752 return 0;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	753
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	754 return 1;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	755 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	756
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	757 /* Support function to determine the return address of the function
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	758 'count' frames back up the stack. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	759 rtx
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	760 lm32_return_addr_rtx (int count, rtx frame)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	761 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	762 rtx r;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	763 if (count == 0)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	764 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	765 if (!df_regs_ever_live_p (RA_REGNUM))
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	766 r = gen_rtx_REG (Pmode, RA_REGNUM);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	767 else
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	768 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	769 r = gen_rtx_MEM (Pmode,
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	770 gen_rtx_PLUS (Pmode, frame,
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	771 GEN_INT (-2 * UNITS_PER_WORD)));
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	772 set_mem_alias_set (r, get_frame_alias_set ());
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	773 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	774 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	775 else if (flag_omit_frame_pointer)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	776 r = NULL_RTX;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	777 else
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	778 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	779 r = gen_rtx_MEM (Pmode,
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	780 gen_rtx_PLUS (Pmode, frame,
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	781 GEN_INT (-2 * UNITS_PER_WORD)));
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	782 set_mem_alias_set (r, get_frame_alias_set ());
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	783 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	784 return r;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	785 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	786
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	787 /* Return true if EXP should be placed in the small data section. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	788
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	789 static bool
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	790 lm32_in_small_data_p (const_tree exp)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	791 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	792 /* We want to merge strings, so we never consider them small data. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	793 if (TREE_CODE (exp) == STRING_CST)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	794 return false;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	795
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	796 /* Functions are never in the small data area. Duh. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	797 if (TREE_CODE (exp) == FUNCTION_DECL)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	798 return false;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	799
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	800 if (TREE_CODE (exp) == VAR_DECL && DECL_SECTION_NAME (exp))
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	801 {
111 04ced10e8804 gcc 7 kono parents: 67 diff changeset	802 const char *section = DECL_SECTION_NAME (exp);
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	803 if (strcmp (section, ".sdata") == 0 \|\| strcmp (section, ".sbss") == 0)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	804 return true;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	805 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	806 else
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	807 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	808 HOST_WIDE_INT size = int_size_in_bytes (TREE_TYPE (exp));
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	809
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	810 /* If this is an incomplete type with size 0, then we can't put it
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	811 in sdata because it might be too big when completed. */
67 f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	812 if (size > 0 && size <= g_switch_value)
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	813 return true;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	814 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	815
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	816 return false;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	817 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	818
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	819 /* Emit straight-line code to move LENGTH bytes from SRC to DEST.
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	820 Assume that the areas do not overlap. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	821
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	822 static void
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	823 lm32_block_move_inline (rtx dest, rtx src, HOST_WIDE_INT length,
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	824 HOST_WIDE_INT alignment)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	825 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	826 HOST_WIDE_INT offset, delta;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	827 unsigned HOST_WIDE_INT bits;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	828 int i;
111 04ced10e8804 gcc 7 kono parents: 67 diff changeset	829 machine_mode mode;
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	830 rtx *regs;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	831
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	832 /* Work out how many bits to move at a time. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	833 switch (alignment)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	834 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	835 case 1:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	836 bits = 8;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	837 break;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	838 case 2:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	839 bits = 16;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	840 break;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	841 default:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	842 bits = 32;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	843 break;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	844 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	845
111 04ced10e8804 gcc 7 kono parents: 67 diff changeset	846 mode = int_mode_for_size (bits, 0).require ();
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	847 delta = bits / BITS_PER_UNIT;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	848
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	849 /* Allocate a buffer for the temporary registers. */
67 f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318 nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> parents: 63 diff changeset	850 regs = XALLOCAVEC (rtx, length / delta);
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	851
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	852 /* Load as many BITS-sized chunks as possible. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	853 for (offset = 0, i = 0; offset + delta <= length; offset += delta, i++)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	854 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	855 regs[i] = gen_reg_rtx (mode);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	856 emit_move_insn (regs[i], adjust_address (src, mode, offset));
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	857 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	858
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	859 /* Copy the chunks to the destination. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	860 for (offset = 0, i = 0; offset + delta <= length; offset += delta, i++)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	861 emit_move_insn (adjust_address (dest, mode, offset), regs[i]);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	862
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	863 /* Mop up any left-over bytes. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	864 if (offset < length)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	865 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	866 src = adjust_address (src, BLKmode, offset);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	867 dest = adjust_address (dest, BLKmode, offset);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	868 move_by_pieces (dest, src, length - offset,
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	869 MIN (MEM_ALIGN (src), MEM_ALIGN (dest)), 0);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	870 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	871 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	872
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	873 /* Expand string/block move operations.
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	874
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	875 operands[0] is the pointer to the destination.
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	876 operands[1] is the pointer to the source.
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	877 operands[2] is the number of bytes to move.
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	878 operands[3] is the alignment. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	879
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	880 int
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	881 lm32_expand_block_move (rtx * operands)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	882 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	883 if ((GET_CODE (operands[2]) == CONST_INT) && (INTVAL (operands[2]) <= 32))
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	884 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	885 lm32_block_move_inline (operands[0], operands[1], INTVAL (operands[2]),
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	886 INTVAL (operands[3]));
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	887 return 1;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	888 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	889 return 0;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	890 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	891
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	892 /* Return TRUE if X references a SYMBOL_REF or LABEL_REF whose symbol
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	893 isn't protected by a PIC unspec. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	894 int
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	895 nonpic_symbol_mentioned_p (rtx x)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	896 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	897 const char *fmt;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	898 int i;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	899
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	900 if (GET_CODE (x) == SYMBOL_REF \|\| GET_CODE (x) == LABEL_REF
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	901 \|\| GET_CODE (x) == PC)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	902 return 1;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	903
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	904 /* We don't want to look into the possible MEM location of a
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	905 CONST_DOUBLE, since we're not going to use it, in general. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	906 if (GET_CODE (x) == CONST_DOUBLE)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	907 return 0;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	908
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	909 if (GET_CODE (x) == UNSPEC)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	910 return 0;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	911
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	912 fmt = GET_RTX_FORMAT (GET_CODE (x));
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	913 for (i = GET_RTX_LENGTH (GET_CODE (x)) - 1; i >= 0; i--)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	914 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	915 if (fmt[i] == 'E')
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	916 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	917 int j;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	918
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	919 for (j = XVECLEN (x, i) - 1; j >= 0; j--)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	920 if (nonpic_symbol_mentioned_p (XVECEXP (x, i, j)))
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	921 return 1;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	922 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	923 else if (fmt[i] == 'e' && nonpic_symbol_mentioned_p (XEXP (x, i)))
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	924 return 1;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	925 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	926
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	927 return 0;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	928 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	929
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	930 /* Compute a (partial) cost for rtx X. Return true if the complete
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	931 cost has been computed, and false if subexpressions should be
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	932 scanned. In either case, TOTAL contains the cost result. /
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	933
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	934 static bool
111 04ced10e8804 gcc 7 kono parents: 67 diff changeset	935 lm32_rtx_costs (rtx x, machine_mode mode, int outer_code,
04ced10e8804 gcc 7 kono parents: 67 diff changeset	936 int opno ATTRIBUTE_UNUSED, int *total, bool speed)
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	937 {
111 04ced10e8804 gcc 7 kono parents: 67 diff changeset	938 int code = GET_CODE (x);
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	939 bool small_mode;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	940
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	941 const int arithmetic_latency = 1;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	942 const int shift_latency = 1;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	943 const int compare_latency = 2;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	944 const int multiply_latency = 3;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	945 const int load_latency = 3;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	946 const int libcall_size_cost = 5;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	947
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	948 /* Determine if we can handle the given mode size in a single instruction. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	949 small_mode = (mode == QImode) \|\| (mode == HImode) \|\| (mode == SImode);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	950
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	951 switch (code)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	952 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	953
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	954 case PLUS:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	955 case MINUS:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	956 case AND:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	957 case IOR:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	958 case XOR:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	959 case NOT:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	960 case NEG:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	961 if (!speed)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	962 *total = COSTS_N_INSNS (LM32_NUM_REGS (mode));
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	963 else
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	964 *total =
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	965 COSTS_N_INSNS (arithmetic_latency + (LM32_NUM_REGS (mode) - 1));
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	966 break;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	967
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	968 case COMPARE:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	969 if (small_mode)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	970 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	971 if (!speed)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	972 *total = COSTS_N_INSNS (1);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	973 else
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	974 *total = COSTS_N_INSNS (compare_latency);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	975 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	976 else
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	977 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	978 /* FIXME. Guessing here. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	979 total = COSTS_N_INSNS (LM32_NUM_REGS (mode) (2 + 3) / 2);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	980 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	981 break;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	982
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	983 case ASHIFT:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	984 case ASHIFTRT:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	985 case LSHIFTRT:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	986 if (TARGET_BARREL_SHIFT_ENABLED && small_mode)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	987 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	988 if (!speed)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	989 *total = COSTS_N_INSNS (1);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	990 else
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	991 *total = COSTS_N_INSNS (shift_latency);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	992 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	993 else if (TARGET_BARREL_SHIFT_ENABLED)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	994 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	995 /* FIXME: Guessing here. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	996 total = COSTS_N_INSNS (LM32_NUM_REGS (mode) 4);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	997 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	998 else if (small_mode && GET_CODE (XEXP (x, 1)) == CONST_INT)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	999 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1000 *total = COSTS_N_INSNS (INTVAL (XEXP (x, 1)));
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1001 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1002 else
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1003 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1004 /* Libcall. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1005 if (!speed)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1006 *total = COSTS_N_INSNS (libcall_size_cost);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1007 else
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1008 *total = COSTS_N_INSNS (100);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1009 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1010 break;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1011
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1012 case MULT:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1013 if (TARGET_MULTIPLY_ENABLED && small_mode)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1014 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1015 if (!speed)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1016 *total = COSTS_N_INSNS (1);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1017 else
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1018 *total = COSTS_N_INSNS (multiply_latency);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1019 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1020 else
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1021 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1022 /* Libcall. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1023 if (!speed)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1024 *total = COSTS_N_INSNS (libcall_size_cost);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1025 else
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1026 *total = COSTS_N_INSNS (100);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1027 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1028 break;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1029
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1030 case DIV:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1031 case MOD:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1032 case UDIV:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1033 case UMOD:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1034 if (TARGET_DIVIDE_ENABLED && small_mode)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1035 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1036 if (!speed)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1037 *total = COSTS_N_INSNS (1);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1038 else
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1039 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1040 if (GET_CODE (XEXP (x, 1)) == CONST_INT)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1041 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1042 int cycles = 0;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1043 unsigned HOST_WIDE_INT i = INTVAL (XEXP (x, 1));
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1044
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1045 while (i)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1046 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1047 i >>= 2;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1048 cycles++;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1049 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1050 if (IN_RANGE (i, 0, 65536))
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1051 *total = COSTS_N_INSNS (1 + 1 + cycles);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1052 else
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1053 *total = COSTS_N_INSNS (2 + 1 + cycles);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1054 return true;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1055 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1056 else if (GET_CODE (XEXP (x, 1)) == REG)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1057 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1058 *total = COSTS_N_INSNS (1 + GET_MODE_SIZE (mode) / 2);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1059 return true;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1060 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1061 else
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1062 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1063 *total = COSTS_N_INSNS (1 + GET_MODE_SIZE (mode) / 2);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1064 return false;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1065 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1066 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1067 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1068 else
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1069 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1070 /* Libcall. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1071 if (!speed)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1072 *total = COSTS_N_INSNS (libcall_size_cost);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1073 else
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1074 *total = COSTS_N_INSNS (100);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1075 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1076 break;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1077
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1078 case HIGH:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1079 case LO_SUM:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1080 if (!speed)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1081 *total = COSTS_N_INSNS (1);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1082 else
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1083 *total = COSTS_N_INSNS (arithmetic_latency);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1084 break;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1085
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1086 case ZERO_EXTEND:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1087 if (MEM_P (XEXP (x, 0)))
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1088 *total = COSTS_N_INSNS (0);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1089 else if (small_mode)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1090 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1091 if (!speed)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1092 *total = COSTS_N_INSNS (1);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1093 else
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1094 *total = COSTS_N_INSNS (arithmetic_latency);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1095 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1096 else
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1097 *total = COSTS_N_INSNS (LM32_NUM_REGS (mode) / 2);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1098 break;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1099
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1100 case CONST_INT:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1101 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1102 switch (outer_code)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1103 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1104 case HIGH:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1105 case LO_SUM:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1106 *total = COSTS_N_INSNS (0);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1107 return true;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1108
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1109 case AND:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1110 case XOR:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1111 case IOR:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1112 case ASHIFT:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1113 case ASHIFTRT:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1114 case LSHIFTRT:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1115 case ROTATE:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1116 case ROTATERT:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1117 if (satisfies_constraint_L (x))
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1118 *total = COSTS_N_INSNS (0);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1119 else
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1120 *total = COSTS_N_INSNS (2);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1121 return true;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1122
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1123 case SET:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1124 case PLUS:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1125 case MINUS:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1126 case COMPARE:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1127 if (satisfies_constraint_K (x))
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1128 *total = COSTS_N_INSNS (0);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1129 else
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1130 *total = COSTS_N_INSNS (2);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1131 return true;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1132
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1133 case MULT:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1134 if (TARGET_MULTIPLY_ENABLED)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1135 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1136 if (satisfies_constraint_K (x))
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1137 *total = COSTS_N_INSNS (0);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1138 else
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1139 *total = COSTS_N_INSNS (2);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1140 return true;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1141 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1142 /* Fall through. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1143
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1144 default:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1145 if (satisfies_constraint_K (x))
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1146 *total = COSTS_N_INSNS (1);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1147 else
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1148 *total = COSTS_N_INSNS (2);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1149 return true;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1150 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1151 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1152
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1153 case SYMBOL_REF:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1154 case CONST:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1155 switch (outer_code)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1156 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1157 case HIGH:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1158 case LO_SUM:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1159 *total = COSTS_N_INSNS (0);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1160 return true;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1161
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1162 case MEM:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1163 case SET:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1164 if (g_switch_value)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1165 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1166 *total = COSTS_N_INSNS (0);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1167 return true;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1168 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1169 break;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1170 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1171 /* Fall through. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1172
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1173 case LABEL_REF:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1174 case CONST_DOUBLE:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1175 *total = COSTS_N_INSNS (2);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1176 return true;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1177
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1178 case SET:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1179 *total = COSTS_N_INSNS (1);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1180 break;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1181
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1182 case MEM:
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1183 if (!speed)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1184 *total = COSTS_N_INSNS (1);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1185 else
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1186 *total = COSTS_N_INSNS (load_latency);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1187 break;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1188
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1189 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1190
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1191 return false;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1192 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1193
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1194 /* Implemenent TARGET_CAN_ELIMINATE. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1195
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1196 bool
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1197 lm32_can_eliminate (const int from ATTRIBUTE_UNUSED, const int to)
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1198 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1199 return (to == STACK_POINTER_REGNUM && frame_pointer_needed) ? false : true;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1200 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1201
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1202 /* Implement TARGET_LEGITIMATE_ADDRESS_P. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1203
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1204 static bool
111 04ced10e8804 gcc 7 kono parents: 67 diff changeset	1205 lm32_legitimate_address_p (machine_mode mode ATTRIBUTE_UNUSED, rtx x, bool strict)
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1206 {
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1207 /* (rM) */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1208 if (strict && REG_P (x) && STRICT_REG_OK_FOR_BASE_P (x))
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1209 return true;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1210 if (!strict && REG_P (x) && NONSTRICT_REG_OK_FOR_BASE_P (x))
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1211 return true;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1212
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1213 /* (rM)+literal) */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1214 if (GET_CODE (x) == PLUS
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1215 && REG_P (XEXP (x, 0))
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1216 && ((strict && STRICT_REG_OK_FOR_BASE_P (XEXP (x, 0)))
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1217 \|\| (!strict && NONSTRICT_REG_OK_FOR_BASE_P (XEXP (x, 0))))
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1218 && GET_CODE (XEXP (x, 1)) == CONST_INT
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1219 && satisfies_constraint_K (XEXP ((x), 1)))
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1220 return true;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1221
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1222 /* gp(sym) */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1223 if (GET_CODE (x) == SYMBOL_REF && SYMBOL_REF_SMALL_P (x))
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1224 return true;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1225
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1226 return false;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1227 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1228
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1229 /* Check a move is not memory to memory. */
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1230
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1231 bool
111 04ced10e8804 gcc 7 kono parents: 67 diff changeset	1232 lm32_move_ok (machine_mode mode, rtx operands[2]) {
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1233 if (memory_operand (operands[0], mode))
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1234 return register_or_zero_operand (operands[1], mode);
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1235 return true;
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1236 }
77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1237
111 04ced10e8804 gcc 7 kono parents: 67 diff changeset	1238 /* Implement TARGET_HARD_REGNO_MODE_OK. */
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1239
111 04ced10e8804 gcc 7 kono parents: 67 diff changeset	1240 static bool
04ced10e8804 gcc 7 kono parents: 67 diff changeset	1241 lm32_hard_regno_mode_ok (unsigned int regno, machine_mode)
04ced10e8804 gcc 7 kono parents: 67 diff changeset	1242 {
04ced10e8804 gcc 7 kono parents: 67 diff changeset	1243 return G_REG_P (regno);
04ced10e8804 gcc 7 kono parents: 67 diff changeset	1244 }
04ced10e8804 gcc 7 kono parents: 67 diff changeset	1245
04ced10e8804 gcc 7 kono parents: 67 diff changeset	1246 /* Implement TARGET_MODES_TIEABLE_P. */
04ced10e8804 gcc 7 kono parents: 67 diff changeset	1247
04ced10e8804 gcc 7 kono parents: 67 diff changeset	1248 static bool
04ced10e8804 gcc 7 kono parents: 67 diff changeset	1249 lm32_modes_tieable_p (machine_mode mode1, machine_mode mode2)
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1250 {
111 04ced10e8804 gcc 7 kono parents: 67 diff changeset	1251 return (GET_MODE_CLASS (mode1) == MODE_INT
04ced10e8804 gcc 7 kono parents: 67 diff changeset	1252 && GET_MODE_CLASS (mode2) == MODE_INT
04ced10e8804 gcc 7 kono parents: 67 diff changeset	1253 && GET_MODE_SIZE (mode1) <= UNITS_PER_WORD
04ced10e8804 gcc 7 kono parents: 67 diff changeset	1254 && GET_MODE_SIZE (mode2) <= UNITS_PER_WORD);
55 77e2b8dfacca update it from 4.4.3 to 4.5.0 ryoma <e075725@ie.u-ryukyu.ac.jp> parents: diff changeset	1255 }
111 04ced10e8804 gcc 7 kono parents: 67 diff changeset	1256
04ced10e8804 gcc 7 kono parents: 67 diff changeset	1257 /* Implement TARGET_STARTING_FRAME_OFFSET. */
04ced10e8804 gcc 7 kono parents: 67 diff changeset	1258
04ced10e8804 gcc 7 kono parents: 67 diff changeset	1259 static HOST_WIDE_INT
04ced10e8804 gcc 7 kono parents: 67 diff changeset	1260 lm32_starting_frame_offset (void)
04ced10e8804 gcc 7 kono parents: 67 diff changeset	1261 {
04ced10e8804 gcc 7 kono parents: 67 diff changeset	1262 return UNITS_PER_WORD;
04ced10e8804 gcc 7 kono parents: 67 diff changeset	1263 }

Mercurial > hg > CbC > CbC_gcc

annotate gcc/config/lm32/lm32.c @ 111:04ced10e8804