comparison gcc/config/mips/sdemtk.h @ 0:a06113de4d67

first commit
author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2009 14:47:48 +0900
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children 77e2b8dfacca
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-1:000000000000 0:a06113de4d67
1 /* Definitions of target machine for GNU compiler.
2 MIPS SDE version, for use with the SDE C library rather than newlib.
3 Copyright (C) 2007, 2008
4 Free Software Foundation, Inc.
5
6 This file is part of GCC.
7
8 GCC is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3, or (at your option)
11 any later version.
12
13 GCC is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with GCC; see the file COPYING3. If not see
20 <http://www.gnu.org/licenses/>. */
21
22 #define TARGET_OS_CPP_BUILTINS() \
23 do \
24 { \
25 builtin_assert ("system=sde"); \
26 builtin_assert ("system=posix"); \
27 builtin_define ("__SDE_MIPS__"); \
28 \
29 /* Deprecated: use __mips_isa_rev >= 2. */ \
30 if (ISA_MIPS32R2) \
31 builtin_define ("__mipsr2"); \
32 \
33 /* Deprecated: use __mips_fpr == 64. */ \
34 if (TARGET_FLOAT64) \
35 builtin_define ("__mipsfp64"); \
36 \
37 if (TARGET_NO_FLOAT) \
38 { \
39 builtin_define ("__NO_FLOAT"); \
40 builtin_define ("__mips_no_float"); \
41 } \
42 else if (TARGET_SOFT_FLOAT_ABI) \
43 builtin_define ("__SOFT_FLOAT"); \
44 else if (TARGET_SINGLE_FLOAT) \
45 builtin_define ("__SINGLE_FLOAT"); \
46 \
47 if (TARGET_BIG_ENDIAN) \
48 { \
49 builtin_assert ("endian=big"); \
50 builtin_assert ("cpu=mipseb"); \
51 } \
52 else \
53 { \
54 builtin_assert ("endian=little"); \
55 builtin_assert ("cpu=mipsel"); \
56 } \
57 } \
58 while (0)
59
60 #undef SUBTARGET_OVERRIDE_OPTIONS
61 #define SUBTARGET_OVERRIDE_OPTIONS \
62 do \
63 { \
64 if (TARGET_NO_FLOAT) \
65 { \
66 target_flags |= MASK_SOFT_FLOAT_ABI; \
67 target_flags_explicit |= MASK_SOFT_FLOAT_ABI; \
68 } \
69 } \
70 while (0)
71
72 /* For __clear_cache in libgcc2.c. */
73 #ifdef IN_LIBGCC2
74 extern void mips_sync_icache (void *beg, unsigned long len);
75 #undef CLEAR_INSN_CACHE
76 #define CLEAR_INSN_CACHE(beg, end) \
77 mips_sync_icache (beg, end - beg)
78 #endif
79
80 /* For mips_cache_flush_func in mips.opt. */
81 #undef CACHE_FLUSH_FUNC
82 #define CACHE_FLUSH_FUNC "mips_sync_icache"
83
84 /* For inline code which needs to sync the icache and dcache,
85 noting that the SDE library takes arguments (address, size). */
86 #undef MIPS_ICACHE_SYNC
87 #define MIPS_ICACHE_SYNC(ADDR, SIZE) \
88 emit_library_call (gen_rtx_SYMBOL_REF (Pmode, mips_cache_flush_func), \
89 0, VOIDmode, 2, ADDR, Pmode, \
90 SIZE, TYPE_MODE (sizetype))
91
92 /* This version of _mcount does not pop 2 words from the stack. */
93 #undef FUNCTION_PROFILER
94 #define FUNCTION_PROFILER(FILE, LABELNO) \
95 { \
96 fprintf (FILE, "\t.set\tnoat\n"); \
97 /* _mcount treats $2 as the static chain register. */ \
98 if (cfun->static_chain_decl != NULL) \
99 fprintf (FILE, "\tmove\t%s,%s\n", reg_names[2], \
100 reg_names[STATIC_CHAIN_REGNUM]); \
101 /* MIPS16 code passes saved $ra in $v1 instead of $at. */ \
102 fprintf (FILE, "\tmove\t%s,%s\n", \
103 reg_names[GP_REG_FIRST + (TARGET_MIPS16 ? 3 : 1)], \
104 reg_names[GP_REG_FIRST + 31]); \
105 fprintf (FILE, "\tjal\t_mcount\n"); \
106 fprintf (FILE, "\t.set\tat\n"); \
107 /* _mcount treats $2 as the static chain register. */ \
108 if (cfun->static_chain_decl != NULL) \
109 fprintf (FILE, "\tmove\t%s,%s\n", reg_names[STATIC_CHAIN_REGNUM], \
110 reg_names[2]); \
111 }
112
113 /* ...nor does the call sequence preserve $31. */
114 #undef MIPS_SAVE_REG_FOR_PROFILING_P
115 #define MIPS_SAVE_REG_FOR_PROFILING_P(REGNO) ((REGNO) == GP_REG_FIRST + 31)