diff --git a/README.chromium b/README.chromium index bb0c85e66..85598ef3e 100644 --- a/README.chromium +++ b/README.chromium @@ -1,6 +1,6 @@ Name: libyuv URL: http://code.google.com/p/libyuv/ -Version: 247 +Version: 248 License: BSD License File: LICENSE diff --git a/include/libyuv/version.h b/include/libyuv/version.h index ff9f4b211..84b187375 100644 --- a/include/libyuv/version.h +++ b/include/libyuv/version.h @@ -11,7 +11,7 @@ #ifndef INCLUDE_LIBYUV_VERSION_H_ #define INCLUDE_LIBYUV_VERSION_H_ -#define LIBYUV_VERSION 247 +#define LIBYUV_VERSION 248 #endif // INCLUDE_LIBYUV_VERSION_H_ diff --git a/source/compare.cc b/source/compare.cc index e07e4d1d1..c7ec336f6 100644 --- a/source/compare.cc +++ b/source/compare.cc @@ -121,7 +121,91 @@ static uint32 HashDjb2_SSE41(const uint8* src, int count, uint32 seed) { ret } } + +#elif !defined(YUV_DISABLE_ASM) && \ + (defined(__x86_64__) || (defined(__i386__) && !defined(__pic__))) +#define HAS_HASHDJB2_SSE41 +static const uvec32 kHash16x33 = { 0x92d9e201, 0, 0, 0 }; // 33 ^ 16 +static const uvec32 kHashMul0 = { + 0x0c3525e1, // 33 ^ 15 + 0xa3476dc1, // 33 ^ 14 + 0x3b4039a1, // 33 ^ 13 + 0x4f5f0981, // 33 ^ 12 +}; +static const uvec32 kHashMul1 = { + 0x30f35d61, // 33 ^ 11 + 0x855cb541, // 33 ^ 10 + 0x040a9121, // 33 ^ 9 + 0x747c7101, // 33 ^ 8 +}; +static const uvec32 kHashMul2 = { + 0xec41d4e1, // 33 ^ 7 + 0x4cfa3cc1, // 33 ^ 6 + 0x025528a1, // 33 ^ 5 + 0x00121881, // 33 ^ 4 +}; +static const uvec32 kHashMul3 = { + 0x00008c61, // 33 ^ 3 + 0x00000441, // 33 ^ 2 + 0x00000021, // 33 ^ 1 + 0x00000001, // 33 ^ 0 +}; +static uint32 HashDjb2_SSE41(const uint8* src, int count, uint32 seed) { + uint32 hash; + asm volatile ( + "movd %2,%%xmm0 \n" + "pxor %%xmm7,%%xmm7 \n" + "movdqa %4,%%xmm6 \n" + "1: \n" + "movdqu (%0),%%xmm1 \n" + "lea 0x10(%0),%0 \n" + "pmulld %%xmm6,%%xmm0 \n" + "movdqa %5,%%xmm5 \n" + "movdqa %%xmm1,%%xmm2 \n" + "punpcklbw %%xmm7,%%xmm2 \n" + "movdqa %%xmm2,%%xmm3 \n" + "punpcklwd %%xmm7,%%xmm3 \n" + "pmulld %%xmm5,%%xmm3 \n" + "movdqa %6,%%xmm5 \n" + "movdqa %%xmm2,%%xmm4 \n" + "punpckhwd %%xmm7,%%xmm4 \n" + "pmulld %%xmm5,%%xmm4 \n" + "movdqa %7,%%xmm5 \n" + "punpckhbw %%xmm7,%%xmm1 \n" + "movdqa %%xmm1,%%xmm2 \n" + "punpcklwd %%xmm7,%%xmm2 \n" + "pmulld %%xmm5,%%xmm2 \n" + "movdqa %8,%%xmm5 \n" + "punpckhwd %%xmm7,%%xmm1 \n" + "pmulld %%xmm5,%%xmm1 \n" + "paddd %%xmm4,%%xmm3 \n" + "paddd %%xmm2,%%xmm1 \n" + "sub $0x10,%1 \n" + "paddd %%xmm3,%%xmm1 \n" + "pshufd $0xe,%%xmm1,%%xmm2 \n" + "paddd %%xmm2,%%xmm1 \n" + "pshufd $0x1,%%xmm1,%%xmm2 \n" + "paddd %%xmm2,%%xmm1 \n" + "paddd %%xmm1,%%xmm0 \n" + "jg 1b \n" + "movd %%xmm0,%3 \n" + : "+r"(src), // %0 + "+r"(count), // %1 + "+rm"(seed), // %2 + "=g"(hash) // %3 + : "m"(kHash16x33), // %4 + "m"(kHashMul0), // %5 + "m"(kHashMul1), // %6 + "m"(kHashMul2), // %7 + "m"(kHashMul3) // %8 + : "memory", "cc" +#if defined(__SSE2__) + , "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7" #endif + ); + return hash; +} +#endif // HAS_HASHDJB2_SSE41 // hash seed of 5381 recommended. uint32 HashDjb2(const uint8* src, uint64 count, uint32 seed) {