x86: Add FMA3 predef

This commit is contained in:
Charly Chevalier
2015-07-08 17:27:23 +02:00
parent da88635350
commit 87a602008c

View File

@ -9,4 +9,46 @@ http://www.boost.org/LICENSE_1_0.txt)
#ifndef BOOST_PREDEF_HARDWARE_SIMD_X86_FMA3_H
#define BOOST_PREDEF_HARDWARE_SIMD_X86_FMA3_H
#include <boost/predef/version_number.h>
#include <boost/predef/compiler.h>
/*`
[heading `BOOST_HW_SIMD_X86_FMA3`]
[@https://en.wikipedia.org/wiki/FMA_instruction_set FMA3] x86 extension.
Version number is the default BOOST_VERSION_NUMBER_AVAILABLE.
This extension is only available on particular CPUs. It does imply
AVX, but it is not implied by extensions newer than SSE3. For example,
AVX2 does not imply it.
[table
[[__predef_symbol__] [__predef_version__]]
[[`__FMA__`] [__predef_detection__]]
]
*/
#define BOOST_HW_SIMD_X86_FMA3 BOOST_VERSION_NUMBER_NOT_AVAILABLE
#if defined(__FMA__)
# undef BOOST_HW_SIMD_X86_FMA3
/* We do not give a valid version for this one, since it not always
* available if newer extension than AVX are enabled. */
# if defined(BOOST_COMP_MSVC_AVAILABLE) && BOOST_COMP_MSVC < BOOST_VERSION_NUMBER(17, 0, 0)\
|| !defined(BOOST_COMP_MSVC_AVAILABLE)
# define BOOST_HW_SIMD_X86_FMA3 BOOST_VERSION_NUMBER_AVAILABLE
# define BOOST_HW_SIMD_X86_FMA3_AVAILABLE
# endif
#endif
#define BOOST_HW_SIMD_X86_FMA3_NAME "FMA3"
#if defined(BOOST_HW_SIMD_X86_FMA3_AVAILABLE)
# include <immintrin.h>
#endif
#endif
#include <boost/predef/detail/test.h>
BOOST_PREDEF_DECLARE_TEST(BOOST_HW_SIMD_X86_FMA3, BOOST_HW_SIMD_X86_FMA3_NAME)