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| author | Uros Bizjak <ubizjak@gmail.com> | 2019-02-15 00:54:25 +0100 |
|---|---|---|
| committer | Uros Bizjak <uros@gcc.gnu.org> | 2019-02-15 00:54:25 +0100 |
| commit | 8b131a8a7a1b69530130316543162225003c4b2f (patch) | |
| tree | 50db024716988b7e6bd4306ce0ca49d4d0dcb6c4 | |
| parent | dddd0c7a5b751f398cba325dc7310bb185fed201 (diff) | |
| download | gcc-8b131a8a7a1b69530130316543162225003c4b2f.zip gcc-8b131a8a7a1b69530130316543162225003c4b2f.tar.gz gcc-8b131a8a7a1b69530130316543162225003c4b2f.tar.bz2 | |
i386.h (TARGET_SUBTARGET64_ISA_DEFAULT): Enable MMX, SSE and SSE2 by default.
* config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
Enable MMX, SSE and SSE2 by default.
* config/i386/i386.c (ix86_option_override_internal): Do not
explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.
From-SVN: r268917
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/config/i386/i386.c | 9 | ||||
| -rw-r--r-- | gcc/config/i386/i386.h | 4 |
3 files changed, 12 insertions, 8 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d3f9706..a41a0a9 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2019-02-15 Uroš Bizjak <ubizjak@gmail.com> + + * config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT): + Enable MMX, SSE and SSE2 by default. + * config/i386/i386.c (ix86_option_override_internal): Do not + explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here. + 2019-02-14 Jakub Jelinek <jakub@redhat.com> PR rtl-optimization/89354 diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index fd05873..609273e 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -4165,14 +4165,9 @@ ix86_option_override_internal (bool main_args_p, opts->x_target_flags |= TARGET_SUBTARGET64_DEFAULT & ~opts_set->x_target_flags; - /* Enable by default the SSE and MMX builtins. Do allow the user to - explicitly disable any of these. In particular, disabling SSE and - MMX for kernel code is extremely useful. */ if (!ix86_arch_specified) - opts->x_ix86_isa_flags - |= ((OPTION_MASK_ISA_SSE2 | OPTION_MASK_ISA_SSE | OPTION_MASK_ISA_MMX - | TARGET_SUBTARGET64_ISA_DEFAULT) - & ~opts->x_ix86_isa_flags_explicit); + opts->x_ix86_isa_flags + |= TARGET_SUBTARGET64_ISA_DEFAULT & ~opts->x_ix86_isa_flags_explicit; if (TARGET_RTD_P (opts->x_target_flags)) warning (0, diff --git a/gcc/config/i386/i386.h b/gcc/config/i386/i386.h index 83b025e..d903906 100644 --- a/gcc/config/i386/i386.h +++ b/gcc/config/i386/i386.h @@ -633,7 +633,9 @@ extern tree x86_mfence; /* Extra bits to force on w/ 64-bit mode. */ #define TARGET_SUBTARGET64_DEFAULT 0 -#define TARGET_SUBTARGET64_ISA_DEFAULT 0 +/* Enable MMX, SSE and SSE2 by default. */ +#define TARGET_SUBTARGET64_ISA_DEFAULT \ + (OPTION_MASK_ISA_MMX | OPTION_MASK_ISA_SSE | OPTION_MASK_ISA_SSE2) /* Replace MACH-O, ifdefs by in-line tests, where possible. (a) Macros defined in config/i386/darwin.h */ |