llvmpipe: Describe _mm_shuffle_epi8() with gcc extended inline assembly when -mssse3 is not supported/enabled.
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@ -291,10 +291,37 @@ def generate_format_write(format, src_channel, src_native_type, src_suffix):
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def generate_ssse3():
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print '''
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#ifdef PIPE_ARCH_SSSE3
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#if defined(PIPE_ARCH_SSE)
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#if defined(PIPE_ARCH_SSSE3)
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#include <tmmintrin.h>
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#else
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#include <emmintrin.h>
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/**
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* Describe _mm_shuffle_epi8() with gcc extended inline assembly, for cases
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* where -mssse3 is not supported/enabled.
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*
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* MSVC will never get in here as its intrinsics support do not rely on
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* compiler command line options.
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*/
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static __inline __m128i __attribute__((__gnu_inline__, __always_inline__, __artificial__))
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_mm_shuffle_epi8(__m128i a, __m128i mask)
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{
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__m128i result;
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__asm__("pshufb %1, %0"
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: "=x" (result)
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: "xm" (mask), "0" (a));
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return result;
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}
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#endif
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static void
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lp_tile_b8g8r8a8_unorm_swizzle_4ub_ssse3(uint8_t *dst,
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const uint8_t *src, unsigned src_stride,
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@ -478,7 +505,7 @@ def generate_swizzle(formats, dst_channel, dst_native_type, dst_suffix):
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print ' case %s:' % format.name
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func_name = 'lp_tile_%s_swizzle_%s' % (format.short_name(), dst_suffix)
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if format.name == 'PIPE_FORMAT_B8G8R8A8_UNORM':
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print '#ifdef PIPE_ARCH_SSSE3'
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print '#ifdef PIPE_ARCH_SSE'
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print ' func = util_cpu_caps.has_ssse3 ? %s_ssse3 : %s;' % (func_name, func_name)
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print '#else'
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print ' func = %s;' % (func_name,)
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@ -516,7 +543,7 @@ def generate_unswizzle(formats, src_channel, src_native_type, src_suffix):
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print ' case %s:' % format.name
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func_name = 'lp_tile_%s_unswizzle_%s' % (format.short_name(), src_suffix)
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if format.name == 'PIPE_FORMAT_B8G8R8A8_UNORM':
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print '#ifdef PIPE_ARCH_SSSE3'
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print '#ifdef PIPE_ARCH_SSE'
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print ' func = util_cpu_caps.has_ssse3 ? %s_ssse3 : %s;' % (func_name, func_name)
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print '#else'
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print ' func = %s;' % (func_name,)
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