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| author | Stan Cox <coxs@gnu.org> | 1997-03-18 22:01:28 +0000 |
|---|---|---|
| committer | Stan Cox <coxs@gnu.org> | 1997-03-18 22:01:28 +0000 |
| commit | 33c1d53aecbdcd9b36fdfda48a19d6801185b694 (patch) | |
| tree | 0170696172a95e1d0f857c8cb76dae2bf81886b2 | |
| parent | 03fc1620778b40e35e05a487bf208fd10e885cf0 (diff) | |
| download | gcc-33c1d53aecbdcd9b36fdfda48a19d6801185b694.zip gcc-33c1d53aecbdcd9b36fdfda48a19d6801185b694.tar.gz gcc-33c1d53aecbdcd9b36fdfda48a19d6801185b694.tar.bz2 | |
(STACK_BOUNDARY): Determine according to TARGET_ALIGN_DOUBLE
From-SVN: r13738
| -rw-r--r-- | gcc/config/i386/i386.h | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/gcc/config/i386/i386.h b/gcc/config/i386/i386.h index 20ec844..6ee0d69 100644 --- a/gcc/config/i386/i386.h +++ b/gcc/config/i386/i386.h @@ -79,8 +79,8 @@ extern int target_flags; /* Masks for the -m switches */ #define MASK_80387 000000000001 /* Hardware floating point */ -#define MASK_486 000000000002 /* 80486 specific */ -#define MASK_NOTUSED1 000000000004 /* bit not currently used */ +#define MASK_NOTUSED1 000000000002 /* bit not currently used */ +#define MASK_NOTUSED2 000000000004 /* bit not currently used */ #define MASK_RTD 000000000010 /* Use ret that pops args */ #define MASK_ALIGN_DOUBLE 000000000020 /* align doubles to 2 word boundary */ #define MASK_SVR3_SHLIB 000000000040 /* Uninit locals into bss */ @@ -303,12 +303,31 @@ extern int ix86_arch; #endif #ifndef CPP_CPU_SPEC +#ifdef __STDC__ +#if TARGET_CPU_DEFAULT == 0 +#define CPP_CPU_DEFAULT "" +#elif TARGET_CPU_DEFAULT == 1 +#define CPP_CPU_DEFAULT "-Di486" +#elif TARGET_CPU_DEFAULT == 2 +#define CPP_CPU_DEFAULT "-Di586" +#elif TARGET_CPU_DEFAULT == 3 +#define CPP_CPU_DEFAULT "-Di686" +#endif /* TARGET_CPU_DEFAULT */ + +#define CPP_CPU_SPEC "\ +-Di386 " CPP_CPU_DEFAULT " -Asystem(unix) -Acpu(i386) -Amachine(i386) \ +%{mcpu=i486:-Di486} %{m486:-Di486} \ +%{mpentium:-Dpentium -Di586} %{mcpu=pentium:-Dpentium -Di586} \ +%{mpentiumpro:-Dpentiumpro -Di686} %{mcpu=pentiumpro:-Dpentiumpro -Di686}" + +#else #define CPP_CPU_SPEC "\ -Di386 -Asystem(unix) -Acpu(i386) -Amachine(i386) \ %{mcpu=i486:-Di486} %{m486:-Di486} \ %{mpentium:-Dpentium -Di586} %{mcpu=pentium:-Dpentium -Di586} \ %{mpentiumpro:-Dpentiumpro -Di686} %{mcpu=pentiumpro:-Dpentiumpro -Di686}" -#endif +#endif /* __STDC__ */ +#endif /* CPP_CPU_SPEC */ /* This macro defines names of additional specifications to put in the specs that can be used in various specifications like CC1_SPEC. Its definition @@ -373,7 +392,7 @@ extern int ix86_arch; #define PARM_BOUNDARY 32 /* Boundary (in *bits*) on which stack pointer should be aligned. */ -#define STACK_BOUNDARY 32 +#define STACK_BOUNDARY (TARGET_ALIGN_DOUBLE ? 64 : 32) /* Allocation boundary (in *bits*) for the code of a function. For i486, we get better performance by aligning to a cache |