diff options
Diffstat (limited to 'gcc/config/i386/i386.c')
| -rw-r--r-- | gcc/config/i386/i386.c | 59 |
1 files changed, 49 insertions, 10 deletions
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 9b1ad919471..b9a5f293b09 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -817,18 +817,42 @@ override_options () { const char *const name; /* processor name or nickname. */ const enum processor_type processor; + const enum pta_flags + { + PTA_SSE = 1, + PTA_SSE2 = 2, + PTA_MMX = 4, + PTA_SSEPREFETCH = 8, + PTA_3DNOW = 16, + PTA_3DNOW_A = 64 + } flags; } const processor_alias_table[] = { - {"i386", PROCESSOR_I386}, - {"i486", PROCESSOR_I486}, - {"i586", PROCESSOR_PENTIUM}, - {"pentium", PROCESSOR_PENTIUM}, - {"i686", PROCESSOR_PENTIUMPRO}, - {"pentiumpro", PROCESSOR_PENTIUMPRO}, - {"k6", PROCESSOR_K6}, - {"athlon", PROCESSOR_ATHLON}, - {"pentium4", PROCESSOR_PENTIUM4}, + {"i386", PROCESSOR_I386, 0}, + {"i486", PROCESSOR_I486, 0}, + {"i586", PROCESSOR_PENTIUM, 0}, + {"pentium", PROCESSOR_PENTIUM, 0}, + {"pentium-mmx", PROCESSOR_PENTIUM, PTA_MMX}, + {"i686", PROCESSOR_PENTIUMPRO, 0}, + {"pentiumpro", PROCESSOR_PENTIUMPRO, 0}, + {"pentium2", PROCESSOR_PENTIUMPRO, PTA_MMX}, + {"pentium3", PROCESSOR_PENTIUMPRO, PTA_MMX | PTA_SSE | PTA_SSEPREFETCH}, + {"pentium4", PROCESSOR_PENTIUM4, PTA_SSE | PTA_SSE2 | + PTA_MMX | PTA_SSEPREFETCH}, + {"k6", PROCESSOR_K6, PTA_MMX}, + {"k6-2", PROCESSOR_K6, PTA_MMX | PTA_3DNOW}, + {"k6-3", PROCESSOR_K6, PTA_MMX | PTA_3DNOW}, + {"athlon", PROCESSOR_ATHLON, PTA_MMX | PTA_SSEPREFETCH | PTA_3DNOW + | PTA_3DNOW_A}, + {"athlon-tbird", PROCESSOR_ATHLON, PTA_MMX | PTA_SSEPREFETCH + | PTA_3DNOW | PTA_3DNOW_A}, + {"athlon-4", PROCESSOR_ATHLON, PTA_MMX | PTA_SSEPREFETCH | PTA_3DNOW + | PTA_3DNOW_A | PTA_SSE}, + {"athlon-xp", PROCESSOR_ATHLON, PTA_MMX | PTA_SSEPREFETCH | PTA_3DNOW + | PTA_3DNOW_A | PTA_SSE}, + {"athlon-mp", PROCESSOR_ATHLON, PTA_MMX | PTA_SSEPREFETCH | PTA_3DNOW + | PTA_3DNOW_A | PTA_SSE}, }; int const pta_size = sizeof (processor_alias_table) / sizeof (struct pta); @@ -880,6 +904,21 @@ override_options () ix86_arch = processor_alias_table[i].processor; /* Default cpu tuning to the architecture. */ ix86_cpu = ix86_arch; + if (processor_alias_table[i].flags & PTA_MMX + && !(target_flags & MASK_MMX_SET)) + target_flags |= MASK_MMX; + if (processor_alias_table[i].flags & PTA_3DNOW + && !(target_flags & MASK_3DNOW_SET)) + target_flags |= MASK_3DNOW; + if (processor_alias_table[i].flags & PTA_3DNOW_A + && !(target_flags & MASK_3DNOW_A_SET)) + target_flags |= MASK_3DNOW_A; + if (processor_alias_table[i].flags & PTA_SSE + && !(target_flags & MASK_SSE_SET)) + target_flags |= MASK_SSE; + if (processor_alias_table[i].flags & PTA_SSE2 + && !(target_flags & MASK_SSE2_SET)) + target_flags |= MASK_SSE2; break; } @@ -1045,7 +1084,7 @@ override_options () target_flags |= MASK_3DNOW_A; } if ((x86_accumulate_outgoing_args & CPUMASK) - && !(target_flags & MASK_NO_ACCUMULATE_OUTGOING_ARGS) + && !(target_flags & MASK_ACCUMULATE_OUTGOING_ARGS_SET) && !optimize_size) target_flags |= MASK_ACCUMULATE_OUTGOING_ARGS; |