diff options
Diffstat (limited to 'gcc/config/i386/i386.c')
| -rw-r--r-- | gcc/config/i386/i386.c | 68 |
1 files changed, 67 insertions, 1 deletions
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 58e26333a5c..ceeecb7ebd1 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -459,6 +459,34 @@ struct processor_costs pentium4_cost = { const struct processor_costs *ix86_cost = &pentium_cost; +/* APPLE LOCAL begin Altivec */ +/* vector types */ +static GTY(()) tree unsigned_V16QI_type_node; +static GTY(()) tree unsigned_V4SI_type_node; +static GTY(()) tree unsigned_V8QI_type_node; +static GTY(()) tree unsigned_V8HI_type_node; +static GTY(()) tree unsigned_V4HI_type_node; +static GTY(()) tree unsigned_V2HI_type_node; +static GTY(()) tree unsigned_V2SI_type_node; +static GTY(()) tree unsigned_V2DI_type_node; +static GTY(()) tree unsigned_V1DI_type_node; + +static GTY(()) tree V16QI_type_node; +static GTY(()) tree V4SF_type_node; +static GTY(()) tree V4SI_type_node; +static GTY(()) tree V8QI_type_node; +static GTY(()) tree V8HI_type_node; +static GTY(()) tree V4HI_type_node; +static GTY(()) tree V2HI_type_node; +static GTY(()) tree V2SI_type_node; +static GTY(()) tree V2SF_type_node; +static GTY(()) tree V2DI_type_node; +static GTY(()) tree V2DF_type_node; +static GTY(()) tree V16SF_type_node; +static GTY(()) tree V1DI_type_node; +static GTY(()) tree V4DF_type_node; +/* APPLE LOCAL end Altivec */ + /* Processor feature/optimization bitmasks. */ #define m_386 (1<<PROCESSOR_I386) #define m_486 (1<<PROCESSOR_I486) @@ -1004,6 +1032,12 @@ static void init_ext_80387_constants (void); #undef TARGET_ADDRESS_COST #define TARGET_ADDRESS_COST ix86_address_cost +/* APPLE LOCAL begin SSE stack alignment */ +#ifndef BASIC_STACK_BOUNDARY +#define BASIC_STACK_BOUNDARY (32) +#endif +/* APPLE LOCAL end SSE stack alignment */ + #undef TARGET_FIXED_CONDITION_CODE_REGS #define TARGET_FIXED_CONDITION_CODE_REGS ix86_fixed_condition_code_regs #undef TARGET_CC_MODES_COMPATIBLE @@ -1165,6 +1199,12 @@ override_options (void) SUBTARGET_OVERRIDE_OPTIONS; #endif + /* APPLE LOCAL begin constant cfstrings */ +#ifdef SUBSUBTARGET_OVERRIDE_OPTIONS + SUBSUBTARGET_OVERRIDE_OPTIONS; +#endif + /* APPLE LOCAL end constant cfstrings */ + if (!ix86_tune_string && ix86_arch_string) ix86_tune_string = ix86_arch_string; if (!ix86_tune_string) @@ -1345,9 +1385,11 @@ override_options (void) The default of 128 bits is for Pentium III's SSE __m128, but we don't want additional code to keep the stack aligned when optimizing for code size. */ + /* APPLE LOCAL begin SSE stack alignment */ ix86_preferred_stack_boundary = (optimize_size - ? TARGET_64BIT ? 128 : 32 + ? TARGET_64BIT ? 128 : BASIC_STACK_BOUNDARY : 128); + /* APPLE LOCAL end SSE stack alignment */ if (ix86_preferred_stack_boundary_string) { i = atoi (ix86_preferred_stack_boundary_string); @@ -1485,11 +1527,24 @@ override_options (void) internal_label_prefix_len = p - internal_label_prefix; *p = '\0'; } + + /* APPLE LOCAL begin dynamic-no-pic */ + if (flag_pic == 1) + { + /* Darwin doesn't support -fpic. */ + warning ("-fpic is not supported; -fPIC assumed"); + flag_pic = 2; + } + /* APPLE LOCAL end dynamic-no-pic */ } void optimization_options (int level, int size ATTRIBUTE_UNUSED) { + /* APPLE LOCAL disable strict aliasing; breaks too much existing code. */ +#if TARGET_MACHO + flag_strict_aliasing = 0; +#endif /* For -O2 and beyond, turn off -fschedule-insns by default. It tends to make the problem with not enough registers even worse. */ #ifdef INSN_SCHEDULING @@ -1529,6 +1584,11 @@ const struct attribute_spec ix86_attribute_table[] = #endif { "ms_struct", 0, 0, false, false, false, ix86_handle_struct_attribute }, { "gcc_struct", 0, 0, false, false, false, ix86_handle_struct_attribute }, + /* APPLE LOCAL begin double destructor */ +#ifdef SUBTARGET_ATTRIBUTE_TABLE + SUBTARGET_ATTRIBUTE_TABLE +#endif + /* APPLE LOCAL end double destructor */ { NULL, 0, 0, false, false, false, NULL } }; @@ -12914,6 +12974,12 @@ ix86_init_builtins (void) { if (TARGET_MMX) ix86_init_mmx_sse_builtins (); + + /* APPLE LOCAL begin constant cfstrings */ +#ifdef SUBTARGET_INIT_BUILTINS + SUBTARGET_INIT_BUILTINS; +#endif + /* APPLE LOCAL end constant cfstrings */ } /* Set up all the MMX/SSE builtins. This is not called if TARGET_MMX |