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comparison gcc/config/riscv/pic.md @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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children 84e7813d76e9
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68:561a7518be6b 111:04ced10e8804
1 ;; PIC codegen for RISC-V for GNU compiler.
2 ;; Copyright (C) 2011-2017 Free Software Foundation, Inc.
3 ;; Contributed by Andrew Waterman (andrew@sifive.com).
4
5 ;; This file is part of GCC.
6
7 ;; GCC is free software; you can redistribute it and/or modify
8 ;; it under the terms of the GNU General Public License as published by
9 ;; the Free Software Foundation; either version 3, or (at your option)
10 ;; any later version.
11
12 ;; GCC is distributed in the hope that it will be useful,
13 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
14 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 ;; GNU General Public License for more details.
16
17 ;; You should have received a copy of the GNU General Public License
18 ;; along with GCC; see the file COPYING3. If not see
19 ;; <http://www.gnu.org/licenses/>.
20
21
22 ;; Simplify PIC loads to static variables.
23 ;; These should go away once we figure out how to emit auipc discretely.
24
25 (define_insn "*local_pic_load_s<mode>"
26 [(set (match_operand:ANYI 0 "register_operand" "=r")
27 (sign_extend:ANYI (mem:ANYI (match_operand 1 "absolute_symbolic_operand" ""))))]
28 "USE_LOAD_ADDRESS_MACRO (operands[1])"
29 "<load>\t%0,%1"
30 [(set (attr "length") (const_int 8))])
31
32 (define_insn "*local_pic_load_u<mode>"
33 [(set (match_operand:ZERO_EXTEND_LOAD 0 "register_operand" "=r")
34 (zero_extend:ZERO_EXTEND_LOAD (mem:ZERO_EXTEND_LOAD (match_operand 1 "absolute_symbolic_operand" ""))))]
35 "USE_LOAD_ADDRESS_MACRO (operands[1])"
36 "<load>u\t%0,%1"
37 [(set (attr "length") (const_int 8))])
38
39 (define_insn "*local_pic_load<mode>"
40 [(set (match_operand:ANYF 0 "register_operand" "=f")
41 (mem:ANYF (match_operand 1 "absolute_symbolic_operand" "")))
42 (clobber (match_scratch:DI 2 "=r"))]
43 "TARGET_HARD_FLOAT && TARGET_64BIT && USE_LOAD_ADDRESS_MACRO (operands[1])"
44 "<load>\t%0,%1,%2"
45 [(set (attr "length") (const_int 8))])
46
47 (define_insn "*local_pic_load<mode>"
48 [(set (match_operand:ANYF 0 "register_operand" "=f")
49 (mem:ANYF (match_operand 1 "absolute_symbolic_operand" "")))
50 (clobber (match_scratch:SI 2 "=r"))]
51 "TARGET_HARD_FLOAT && !TARGET_64BIT && USE_LOAD_ADDRESS_MACRO (operands[1])"
52 "<load>\t%0,%1,%2"
53 [(set (attr "length") (const_int 8))])
54
55 (define_insn "*local_pic_loadu<mode>"
56 [(set (match_operand:SUPERQI 0 "register_operand" "=r")
57 (zero_extend:SUPERQI (mem:SUBX (match_operand 1 "absolute_symbolic_operand" ""))))]
58 "USE_LOAD_ADDRESS_MACRO (operands[1])"
59 "<load>u\t%0,%1"
60 [(set (attr "length") (const_int 8))])
61
62 (define_insn "*local_pic_storedi<mode>"
63 [(set (mem:ANYI (match_operand 0 "absolute_symbolic_operand" ""))
64 (match_operand:ANYI 1 "reg_or_0_operand" "rJ"))
65 (clobber (match_scratch:DI 2 "=&r"))]
66 "TARGET_64BIT && USE_LOAD_ADDRESS_MACRO (operands[0])"
67 "<store>\t%z1,%0,%2"
68 [(set (attr "length") (const_int 8))])
69
70 (define_insn "*local_pic_storesi<mode>"
71 [(set (mem:ANYI (match_operand 0 "absolute_symbolic_operand" ""))
72 (match_operand:ANYI 1 "reg_or_0_operand" "rJ"))
73 (clobber (match_scratch:SI 2 "=&r"))]
74 "!TARGET_64BIT && USE_LOAD_ADDRESS_MACRO (operands[0])"
75 "<store>\t%z1,%0,%2"
76 [(set (attr "length") (const_int 8))])
77
78 (define_insn "*local_pic_storedi<mode>"
79 [(set (mem:ANYF (match_operand 0 "absolute_symbolic_operand" ""))
80 (match_operand:ANYF 1 "register_operand" "f"))
81 (clobber (match_scratch:DI 2 "=r"))]
82 "TARGET_HARD_FLOAT && TARGET_64BIT && USE_LOAD_ADDRESS_MACRO (operands[0])"
83 "<store>\t%1,%0,%2"
84 [(set (attr "length") (const_int 8))])
85
86 (define_insn "*local_pic_storesi<mode>"
87 [(set (mem:ANYF (match_operand 0 "absolute_symbolic_operand" ""))
88 (match_operand:ANYF 1 "register_operand" "f"))
89 (clobber (match_scratch:SI 2 "=r"))]
90 "TARGET_HARD_FLOAT && !TARGET_64BIT && USE_LOAD_ADDRESS_MACRO (operands[0])"
91 "<store>\t%1,%0,%2"
92 [(set (attr "length") (const_int 8))])