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stub for SSE4.1 support.

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Change-Id: I0c845a98d2871cc8907ff7b914bab7747a92c7ed
This commit is contained in:
Pascal Massimino
2015-03-19 13:18:59 -07:00
committed by James Zern
parent 4a95384b34
commit e9570dd987
8 changed files with 79 additions and 2 deletions
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9
src/dsp/dsp.h
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@ -52,6 +52,11 @@ extern "C" {
#define WEBP_MSC_SSE2 // Visual C++ SSE2 targets
#endif
#if defined(_MSC_VER) && _MSC_VER >= 1500 && \
(defined(_M_X64) || defined(_M_IX86))
#define WEBP_MSC_SSE41 // Visual C++ SSE4.1 targets
#endif
// WEBP_HAVE_* are used to indicate the presence of the instruction set in dsp
// files without intrinsics, allowing the corresponding Init() to be called.
// Files containing intrinsics will need to be built targeting the instruction
@ -60,6 +65,10 @@ extern "C" {
#define WEBP_USE_SSE2
#endif
#if defined(__SSE4_1__) || defined(WEBP_MSC_SSE41) || defined(WEBP_HAVE_SSE41)
#define WEBP_USE_SSE41
#endif
#if defined(__AVX2__) || defined(WEBP_HAVE_AVX2)
#define WEBP_USE_AVX2
#endif