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Common: move _mm_shuffle_epi8 to Intrinsics.h

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This commit is contained in:
Tillmann Karras 2015-02-23 21:47:42 +01:00
parent f298f00e1b
commit 9aa463c590
2 changed files with 20 additions and 18 deletions
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18
Source/Core/Common/CommonFuncs.h
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@ -34,24 +34,6 @@ struct ArraySizeImpl : public std::extent<T>
#define b32(x) (b16(x) | (b16(x) >>16) )
#define ROUND_UP_POW2(x) (b32(x - 1) + 1)
#ifndef __GNUC_PREREQ
#define __GNUC_PREREQ(a, b) 0
#endif
#if (defined __GNUC__ && !__GNUC_PREREQ(4,9)) && \
!defined __SSSE3__ && defined _M_X86
#include <emmintrin.h>
static __inline __m128i __attribute__((__always_inline__))
_mm_shuffle_epi8(__m128i a, __m128i mask)
{
__m128i result;
__asm__("pshufb %1, %0"
: "=x" (result)
: "xm" (mask), "0" (a));
return result;
}
#endif
#ifndef _WIN32
#include <errno.h>

20
Source/Core/Common/Intrinsics.h
View File

@ -12,4 +12,24 @@
#include <x86intrin.h>
#endif
#ifndef __GNUC_PREREQ
#define __GNUC_PREREQ(maj, min) 0
#endif
#if defined __GNUC__ && !__GNUC_PREREQ(4, 9) && !defined __SSSE3__
// GCC <= 4.8 only enables intrinsics based on the command-line.
// GCC >= 4.9 always declares all intrinsics.
// We only want to require SSE2 and thus compile with -msse2,
// so define the one post-SSE2 intrinsic that we dispatch at runtime.
static __inline __m128i __attribute__((__gnu_inline__, __always_inline__, __artificial__))
_mm_shuffle_epi8(__m128i a, __m128i mask)
{
__m128i result;
__asm__("pshufb %1, %0"
: "=x" (result)
: "xm" (mask), "0" (a));
return result;
}
#endif
#endif // _M_X86