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| author | Victoria Stepanyan <victoria.stepanyan@amd.com> | 2015-12-06 17:02:48 +0000 |
|---|---|---|
| committer | Venkataramanan Kumar <vekumar@gcc.gnu.org> | 2015-12-06 17:02:48 +0000 |
| commit | 62e56a0d652ce83ae3d220cc4a01de46674188f1 (patch) | |
| tree | caf97ab569ab5baf08a9753bd71ed1d4c81deee5 /gcc/common | |
| parent | 2097a8906f26415d7ad36f485ad7841ed5142fba (diff) | |
| download | gcc-62e56a0d652ce83ae3d220cc4a01de46674188f1.zip gcc-62e56a0d652ce83ae3d220cc4a01de46674188f1.tar.gz gcc-62e56a0d652ce83ae3d220cc4a01de46674188f1.tar.bz2 | |
support for AMD clzero isa.
gcc/ChangeLog
2015-12-06 Victoria Stepanyan <victoria.stepanyan@amd.com>
* common/config/i386/i386-common.c
(OPTION_MASK_ISA_CLZERO_SET): New.
(ix86_handle_option): Handle clzero.
* config.gcc (i[34567]86-*-*): Add clzerointrin.h,
(x86_64-*-*): Likewise.
* config/i386/clzerointrin.h: New header.
* config/i386/cpuid.h (bit_CLZERO): Define.
* config/i386/driver-i386.c (host_detect_local_cpu): Detect
CLZERO support.
* config/i386/i386.opt (clzero): New.
* config/i386/i386-c.c: Define __CLZERO__ if needed.
* config/i386/i386.c (ix86_target_string): Define -mclzero option.
(PTA_CLZERO): New.
(ix86_option_override_internal): Handle new option.
(processor_alias_table): Added PTA_CLZERO.
(ix86_valid_target_attribute_inner_p): Add OPT_mclzero.
(ix86_builtins): Add IX86_BUILTIN_CLZERO, IX86_BUILTIN_CLZERO.
(ix86_expand_builtin): Handle IX86_BUILTIN_CLZERO and
IX86_BUILTIN_CLZERO built-ins.
* config/i386/i386.h (TARGET_CLZERO): New.
* config/i386/i386.md (unspecv): Add UNSPEC_CLZERO.
(clzero): New pattern.
(clzero_<mode>): New pattern.
* config/i386/x86intrin.h: Include clzerointrin.h.
* doc/extend.texi: Document clzero builtins.
* doc/invoke.texi: Document -mclzero option.
gcc/testsuite/ChangeLog
2015-12-06 Victoria Stepanyan <victoria.stepanyan@amd.com>
* gcc.target/i386/clzero.c: New.
* gcc.target/i386/sse-12.c: Add -mclzero.
* gcc.target/i386/sse-13.c: Ditto.
* gcc.target/i386/sse-14.c: Ditto.
* gcc.target/i386/sse-22.c: Ditto.
* gcc.target/i386/sse-23.c: Ditto.
* g++.dg/other/i386-2.C: Ditto.
* g++.dg/other/i386-3.C: Ditto.
From-SVN: r231340
Diffstat (limited to 'gcc/common')
| -rw-r--r-- | gcc/common/config/i386/i386-common.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/common/config/i386/i386-common.c b/gcc/common/config/i386/i386-common.c index 49899bd..a9d2208 100644 --- a/gcc/common/config/i386/i386-common.c +++ b/gcc/common/config/i386/i386-common.c @@ -128,6 +128,7 @@ along with GCC; see the file COPYING3. If not see #define OPTION_MASK_ISA_F16C_SET \ (OPTION_MASK_ISA_F16C | OPTION_MASK_ISA_AVX_SET) #define OPTION_MASK_ISA_MWAITX_SET OPTION_MASK_ISA_MWAITX +#define OPTION_MASK_ISA_CLZERO_SET OPTION_MASK_ISA_CLZERO /* Define a set of ISAs which aren't available when a given ISA is disabled. MMX and SSE ISAs are handled separately. */ @@ -188,6 +189,7 @@ along with GCC; see the file COPYING3. If not see #define OPTION_MASK_ISA_PCOMMIT_UNSET OPTION_MASK_ISA_PCOMMIT #define OPTION_MASK_ISA_CLWB_UNSET OPTION_MASK_ISA_CLWB #define OPTION_MASK_ISA_MWAITX_UNSET OPTION_MASK_ISA_MWAITX +#define OPTION_MASK_ISA_CLZERO_UNSET OPTION_MASK_ISA_CLZERO /* SSE4 includes both SSE4.1 and SSE4.2. -mno-sse4 should the same as -mno-sse4.1. */ @@ -947,6 +949,20 @@ ix86_handle_option (struct gcc_options *opts, } return true; + case OPT_mclzero: + if (value) + { + opts->x_ix86_isa_flags |= OPTION_MASK_ISA_CLZERO_SET; + opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_CLZERO_SET; + } + else + { + opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_CLZERO_UNSET; + opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_CLZERO_UNSET; + } + return true; + + /* Comes from final.c -- no real reason to change it. */ #define MAX_CODE_ALIGN 16 |