From 8b131a8a7a1b69530130316543162225003c4b2f Mon Sep 17 00:00:00 2001 From: Uros Bizjak Date: Fri, 15 Feb 2019 00:54:25 +0100 Subject: [PATCH] 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 --- gcc/ChangeLog | 7 +++++++ gcc/config/i386/i386.c | 9 ++------- gcc/config/i386/i386.h | 4 +++- 3 files changed, 12 insertions(+), 8 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d3f97061393..a41a0a9151f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2019-02-15 Uroš Bizjak + + * 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 PR rtl-optimization/89354 diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index fd05873ba39..609273e4fc4 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 83b025e0cf5..d9039060997 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 */ -- 2.30.2