diff options
Diffstat (limited to 'gcc/config/i386/i386.c')
| -rw-r--r-- | gcc/config/i386/i386.c | 62 |
1 files changed, 35 insertions, 27 deletions
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index d88c853a52a..933459a2c8f 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -48,6 +48,7 @@ Boston, MA 02111-1307, USA. */ #endif /* Processor costs (relative to an add) */ +static const struct processor_costs size_cost = { /* costs for tunning for size */ 2, /* cost of an add instruction */ 3, /* cost of a lea instruction */ @@ -80,6 +81,7 @@ struct processor_costs size_cost = { /* costs for tunning for size */ 3, /* MMX or SSE register to integer */ }; /* Processor costs (relative to an add) */ +static const struct processor_costs i386_cost = { /* 386 specific costs */ 1, /* cost of an add instruction */ 1, /* cost of a lea instruction */ @@ -112,6 +114,7 @@ struct processor_costs i386_cost = { /* 386 specific costs */ 3, /* MMX or SSE register to integer */ }; +static const struct processor_costs i486_cost = { /* 486 specific costs */ 1, /* cost of an add instruction */ 1, /* cost of a lea instruction */ @@ -144,6 +147,7 @@ struct processor_costs i486_cost = { /* 486 specific costs */ 3 /* MMX or SSE register to integer */ }; +static const struct processor_costs pentium_cost = { 1, /* cost of an add instruction */ 1, /* cost of a lea instruction */ @@ -176,6 +180,7 @@ struct processor_costs pentium_cost = { 3 /* MMX or SSE register to integer */ }; +static const struct processor_costs pentiumpro_cost = { 1, /* cost of an add instruction */ 1, /* cost of a lea instruction */ @@ -208,6 +213,7 @@ struct processor_costs pentiumpro_cost = { 3 /* MMX or SSE register to integer */ }; +static const struct processor_costs k6_cost = { 1, /* cost of an add instruction */ 2, /* cost of a lea instruction */ @@ -240,6 +246,7 @@ struct processor_costs k6_cost = { 6 /* MMX or SSE register to integer */ }; +static const struct processor_costs athlon_cost = { 1, /* cost of an add instruction */ 2, /* cost of a lea instruction */ @@ -272,6 +279,7 @@ struct processor_costs athlon_cost = { 6 /* MMX or SSE register to integer */ }; +static const struct processor_costs pentium4_cost = { 1, /* cost of an add instruction */ 1, /* cost of a lea instruction */ @@ -304,7 +312,7 @@ struct processor_costs pentium4_cost = { 10, /* MMX or SSE register to integer */ }; -struct processor_costs *ix86_cost = &pentium_cost; +const struct processor_costs *ix86_cost = &pentium_cost; /* Processor feature/optimization bitmasks. */ #define m_386 (1<<PROCESSOR_I386) @@ -641,10 +649,10 @@ struct ix86_address static int ix86_decompose_address PARAMS ((rtx, struct ix86_address *)); struct builtin_description; -static rtx ix86_expand_sse_comi PARAMS ((struct builtin_description *, tree, - rtx)); -static rtx ix86_expand_sse_compare PARAMS ((struct builtin_description *, tree, - rtx)); +static rtx ix86_expand_sse_comi PARAMS ((const struct builtin_description *, + tree, rtx)); +static rtx ix86_expand_sse_compare PARAMS ((const struct builtin_description *, + tree, rtx)); static rtx ix86_expand_unop1_builtin PARAMS ((enum insn_code, tree, rtx)); static rtx ix86_expand_unop_builtin PARAMS ((enum insn_code, tree, rtx, int)); static rtx ix86_expand_binop_builtin PARAMS ((enum insn_code, tree, rtx)); @@ -770,13 +778,13 @@ override_options () static struct ptt { - struct processor_costs *cost; /* Processor costs */ - int target_enable; /* Target flags to enable. */ - int target_disable; /* Target flags to disable. */ - int align_loop; /* Default alignments. */ - int align_jump; - int align_func; - int branch_cost; + const struct processor_costs *cost; /* Processor costs */ + const int target_enable; /* Target flags to enable. */ + const int target_disable; /* Target flags to disable. */ + const int align_loop; /* Default alignments. */ + const int align_jump; + const int align_func; + const int branch_cost; } const processor_target_table[PROCESSOR_max] = { @@ -791,8 +799,8 @@ override_options () static struct pta { - const char *name; /* processor name or nickname. */ - enum processor_type processor; + const char *const name; /* processor name or nickname. */ + const enum processor_type processor; } const processor_alias_table[] = { @@ -10708,15 +10716,15 @@ do { \ struct builtin_description { - unsigned int mask; - enum insn_code icode; - const char * name; - enum ix86_builtins code; - enum rtx_code comparison; - unsigned int flag; + const unsigned int mask; + const enum insn_code icode; + const char *const name; + const enum ix86_builtins code; + const enum rtx_code comparison; + const unsigned int flag; }; -static struct builtin_description bdesc_comi[] = +static const struct builtin_description bdesc_comi[] = { { MASK_SSE, CODE_FOR_sse_comi, "__builtin_ia32_comieq", IX86_BUILTIN_COMIEQSS, EQ, 0 }, { MASK_SSE, CODE_FOR_sse_comi, "__builtin_ia32_comilt", IX86_BUILTIN_COMILTSS, LT, 0 }, @@ -10732,7 +10740,7 @@ static struct builtin_description bdesc_comi[] = { MASK_SSE, CODE_FOR_sse_ucomi, "__builtin_ia32_ucomineq", IX86_BUILTIN_UCOMINEQSS, NE, 0 } }; -static struct builtin_description bdesc_2arg[] = +static const struct builtin_description bdesc_2arg[] = { /* SSE */ { MASK_SSE, CODE_FOR_addv4sf3, "__builtin_ia32_addps", IX86_BUILTIN_ADDPS, 0, 0 }, @@ -10865,7 +10873,7 @@ static struct builtin_description bdesc_2arg[] = }; -static struct builtin_description bdesc_1arg[] = +static const struct builtin_description bdesc_1arg[] = { { MASK_SSE | MASK_3DNOW_A, CODE_FOR_mmx_pmovmskb, 0, IX86_BUILTIN_PMOVMSKB, 0, 0 }, { MASK_SSE, CODE_FOR_sse_movmskps, 0, IX86_BUILTIN_MOVMSKPS, 0, 0 }, @@ -10894,7 +10902,7 @@ ix86_init_builtins () void ix86_init_mmx_sse_builtins () { - struct builtin_description * d; + const struct builtin_description * d; size_t i; tree endlink = void_list_node; @@ -11472,7 +11480,7 @@ ix86_expand_unop1_builtin (icode, arglist, target) static rtx ix86_expand_sse_compare (d, arglist, target) - struct builtin_description *d; + const struct builtin_description *d; tree arglist; rtx target; { @@ -11524,7 +11532,7 @@ ix86_expand_sse_compare (d, arglist, target) static rtx ix86_expand_sse_comi (d, arglist, target) - struct builtin_description *d; + const struct builtin_description *d; tree arglist; rtx target; { @@ -11585,7 +11593,7 @@ ix86_expand_builtin (exp, target, subtarget, mode, ignore) enum machine_mode mode ATTRIBUTE_UNUSED; int ignore ATTRIBUTE_UNUSED; { - struct builtin_description *d; + const struct builtin_description *d; size_t i; enum insn_code icode; tree fndecl = TREE_OPERAND (TREE_OPERAND (exp, 0), 0); |