|
0
|
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)
|
