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-rw-r--r--media/libvpx/libvpx/third_party/libyuv/source/compare_gcc.cc360
1 files changed, 360 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/third_party/libyuv/source/compare_gcc.cc b/media/libvpx/libvpx/third_party/libyuv/source/compare_gcc.cc
new file mode 100644
index 0000000000..676527c1b1
--- /dev/null
+++ b/media/libvpx/libvpx/third_party/libyuv/source/compare_gcc.cc
@@ -0,0 +1,360 @@
+/*
+ * Copyright 2012 The LibYuv Project Authors. All rights reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "libyuv/basic_types.h"
+
+#include "libyuv/compare_row.h"
+#include "libyuv/row.h"
+
+#ifdef __cplusplus
+namespace libyuv {
+extern "C" {
+#endif
+
+// This module is for GCC x86 and x64.
+#if !defined(LIBYUV_DISABLE_X86) && \
+ (defined(__x86_64__) || (defined(__i386__) && !defined(_MSC_VER)))
+
+#if defined(__x86_64__)
+uint32_t HammingDistance_SSE42(const uint8_t* src_a,
+ const uint8_t* src_b,
+ int count) {
+ uint64_t diff = 0u;
+
+ asm volatile(
+ "xor %3,%3 \n"
+ "xor %%r8,%%r8 \n"
+ "xor %%r9,%%r9 \n"
+ "xor %%r10,%%r10 \n"
+
+ // Process 32 bytes per loop.
+ LABELALIGN
+ "1: \n"
+ "mov (%0),%%rcx \n"
+ "mov 0x8(%0),%%rdx \n"
+ "xor (%1),%%rcx \n"
+ "xor 0x8(%1),%%rdx \n"
+ "popcnt %%rcx,%%rcx \n"
+ "popcnt %%rdx,%%rdx \n"
+ "mov 0x10(%0),%%rsi \n"
+ "mov 0x18(%0),%%rdi \n"
+ "xor 0x10(%1),%%rsi \n"
+ "xor 0x18(%1),%%rdi \n"
+ "popcnt %%rsi,%%rsi \n"
+ "popcnt %%rdi,%%rdi \n"
+ "add $0x20,%0 \n"
+ "add $0x20,%1 \n"
+ "add %%rcx,%3 \n"
+ "add %%rdx,%%r8 \n"
+ "add %%rsi,%%r9 \n"
+ "add %%rdi,%%r10 \n"
+ "sub $0x20,%2 \n"
+ "jg 1b \n"
+
+ "add %%r8, %3 \n"
+ "add %%r9, %3 \n"
+ "add %%r10, %3 \n"
+ : "+r"(src_a), // %0
+ "+r"(src_b), // %1
+ "+r"(count), // %2
+ "=r"(diff) // %3
+ :
+ : "memory", "cc", "rcx", "rdx", "rsi", "rdi", "r8", "r9", "r10");
+
+ return static_cast<uint32_t>(diff);
+}
+#else
+uint32_t HammingDistance_SSE42(const uint8_t* src_a,
+ const uint8_t* src_b,
+ int count) {
+ uint32_t diff = 0u;
+
+ asm volatile(
+ // Process 16 bytes per loop.
+ LABELALIGN
+ "1: \n"
+ "mov (%0),%%ecx \n"
+ "mov 0x4(%0),%%edx \n"
+ "xor (%1),%%ecx \n"
+ "xor 0x4(%1),%%edx \n"
+ "popcnt %%ecx,%%ecx \n"
+ "add %%ecx,%3 \n"
+ "popcnt %%edx,%%edx \n"
+ "add %%edx,%3 \n"
+ "mov 0x8(%0),%%ecx \n"
+ "mov 0xc(%0),%%edx \n"
+ "xor 0x8(%1),%%ecx \n"
+ "xor 0xc(%1),%%edx \n"
+ "popcnt %%ecx,%%ecx \n"
+ "add %%ecx,%3 \n"
+ "popcnt %%edx,%%edx \n"
+ "add %%edx,%3 \n"
+ "add $0x10,%0 \n"
+ "add $0x10,%1 \n"
+ "sub $0x10,%2 \n"
+ "jg 1b \n"
+ : "+r"(src_a), // %0
+ "+r"(src_b), // %1
+ "+r"(count), // %2
+ "+r"(diff) // %3
+ :
+ : "memory", "cc", "ecx", "edx");
+
+ return diff;
+}
+#endif
+
+static const vec8 kNibbleMask = {15, 15, 15, 15, 15, 15, 15, 15,
+ 15, 15, 15, 15, 15, 15, 15, 15};
+static const vec8 kBitCount = {0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4};
+
+uint32_t HammingDistance_SSSE3(const uint8_t* src_a,
+ const uint8_t* src_b,
+ int count) {
+ uint32_t diff = 0u;
+
+ asm volatile(
+ "movdqa %4,%%xmm2 \n"
+ "movdqa %5,%%xmm3 \n"
+ "pxor %%xmm0,%%xmm0 \n"
+ "pxor %%xmm1,%%xmm1 \n"
+ "sub %0,%1 \n"
+
+ LABELALIGN
+ "1: \n"
+ "movdqa (%0),%%xmm4 \n"
+ "movdqa 0x10(%0), %%xmm5 \n"
+ "pxor (%0,%1), %%xmm4 \n"
+ "movdqa %%xmm4,%%xmm6 \n"
+ "pand %%xmm2,%%xmm6 \n"
+ "psrlw $0x4,%%xmm4 \n"
+ "movdqa %%xmm3,%%xmm7 \n"
+ "pshufb %%xmm6,%%xmm7 \n"
+ "pand %%xmm2,%%xmm4 \n"
+ "movdqa %%xmm3,%%xmm6 \n"
+ "pshufb %%xmm4,%%xmm6 \n"
+ "paddb %%xmm7,%%xmm6 \n"
+ "pxor 0x10(%0,%1),%%xmm5 \n"
+ "add $0x20,%0 \n"
+ "movdqa %%xmm5,%%xmm4 \n"
+ "pand %%xmm2,%%xmm5 \n"
+ "psrlw $0x4,%%xmm4 \n"
+ "movdqa %%xmm3,%%xmm7 \n"
+ "pshufb %%xmm5,%%xmm7 \n"
+ "pand %%xmm2,%%xmm4 \n"
+ "movdqa %%xmm3,%%xmm5 \n"
+ "pshufb %%xmm4,%%xmm5 \n"
+ "paddb %%xmm7,%%xmm5 \n"
+ "paddb %%xmm5,%%xmm6 \n"
+ "psadbw %%xmm1,%%xmm6 \n"
+ "paddd %%xmm6,%%xmm0 \n"
+ "sub $0x20,%2 \n"
+ "jg 1b \n"
+
+ "pshufd $0xaa,%%xmm0,%%xmm1 \n"
+ "paddd %%xmm1,%%xmm0 \n"
+ "movd %%xmm0, %3 \n"
+ : "+r"(src_a), // %0
+ "+r"(src_b), // %1
+ "+r"(count), // %2
+ "=r"(diff) // %3
+ : "m"(kNibbleMask), // %4
+ "m"(kBitCount) // %5
+ : "memory", "cc", "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6",
+ "xmm7");
+
+ return diff;
+}
+
+#ifdef HAS_HAMMINGDISTANCE_AVX2
+uint32_t HammingDistance_AVX2(const uint8_t* src_a,
+ const uint8_t* src_b,
+ int count) {
+ uint32_t diff = 0u;
+
+ asm volatile(
+ "vbroadcastf128 %4,%%ymm2 \n"
+ "vbroadcastf128 %5,%%ymm3 \n"
+ "vpxor %%ymm0,%%ymm0,%%ymm0 \n"
+ "vpxor %%ymm1,%%ymm1,%%ymm1 \n"
+ "sub %0,%1 \n"
+
+ LABELALIGN
+ "1: \n"
+ "vmovdqa (%0),%%ymm4 \n"
+ "vmovdqa 0x20(%0), %%ymm5 \n"
+ "vpxor (%0,%1), %%ymm4, %%ymm4 \n"
+ "vpand %%ymm2,%%ymm4,%%ymm6 \n"
+ "vpsrlw $0x4,%%ymm4,%%ymm4 \n"
+ "vpshufb %%ymm6,%%ymm3,%%ymm6 \n"
+ "vpand %%ymm2,%%ymm4,%%ymm4 \n"
+ "vpshufb %%ymm4,%%ymm3,%%ymm4 \n"
+ "vpaddb %%ymm4,%%ymm6,%%ymm6 \n"
+ "vpxor 0x20(%0,%1),%%ymm5,%%ymm4 \n"
+ "add $0x40,%0 \n"
+ "vpand %%ymm2,%%ymm4,%%ymm5 \n"
+ "vpsrlw $0x4,%%ymm4,%%ymm4 \n"
+ "vpshufb %%ymm5,%%ymm3,%%ymm5 \n"
+ "vpand %%ymm2,%%ymm4,%%ymm4 \n"
+ "vpshufb %%ymm4,%%ymm3,%%ymm4 \n"
+ "vpaddb %%ymm5,%%ymm4,%%ymm4 \n"
+ "vpaddb %%ymm6,%%ymm4,%%ymm4 \n"
+ "vpsadbw %%ymm1,%%ymm4,%%ymm4 \n"
+ "vpaddd %%ymm0,%%ymm4,%%ymm0 \n"
+ "sub $0x40,%2 \n"
+ "jg 1b \n"
+
+ "vpermq $0xb1,%%ymm0,%%ymm1 \n"
+ "vpaddd %%ymm1,%%ymm0,%%ymm0 \n"
+ "vpermq $0xaa,%%ymm0,%%ymm1 \n"
+ "vpaddd %%ymm1,%%ymm0,%%ymm0 \n"
+ "vmovd %%xmm0, %3 \n"
+ "vzeroupper \n"
+ : "+r"(src_a), // %0
+ "+r"(src_b), // %1
+ "+r"(count), // %2
+ "=r"(diff) // %3
+ : "m"(kNibbleMask), // %4
+ "m"(kBitCount) // %5
+ : "memory", "cc", "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6");
+
+ return diff;
+}
+#endif // HAS_HAMMINGDISTANCE_AVX2
+
+uint32_t SumSquareError_SSE2(const uint8_t* src_a,
+ const uint8_t* src_b,
+ int count) {
+ uint32_t sse;
+ asm volatile(
+ "pxor %%xmm0,%%xmm0 \n"
+ "pxor %%xmm5,%%xmm5 \n"
+
+ LABELALIGN
+ "1: \n"
+ "movdqu (%0),%%xmm1 \n"
+ "lea 0x10(%0),%0 \n"
+ "movdqu (%1),%%xmm2 \n"
+ "lea 0x10(%1),%1 \n"
+ "movdqa %%xmm1,%%xmm3 \n"
+ "psubusb %%xmm2,%%xmm1 \n"
+ "psubusb %%xmm3,%%xmm2 \n"
+ "por %%xmm2,%%xmm1 \n"
+ "movdqa %%xmm1,%%xmm2 \n"
+ "punpcklbw %%xmm5,%%xmm1 \n"
+ "punpckhbw %%xmm5,%%xmm2 \n"
+ "pmaddwd %%xmm1,%%xmm1 \n"
+ "pmaddwd %%xmm2,%%xmm2 \n"
+ "paddd %%xmm1,%%xmm0 \n"
+ "paddd %%xmm2,%%xmm0 \n"
+ "sub $0x10,%2 \n"
+ "jg 1b \n"
+
+ "pshufd $0xee,%%xmm0,%%xmm1 \n"
+ "paddd %%xmm1,%%xmm0 \n"
+ "pshufd $0x1,%%xmm0,%%xmm1 \n"
+ "paddd %%xmm1,%%xmm0 \n"
+ "movd %%xmm0,%3 \n"
+
+ : "+r"(src_a), // %0
+ "+r"(src_b), // %1
+ "+r"(count), // %2
+ "=g"(sse) // %3
+ ::"memory",
+ "cc", "xmm0", "xmm1", "xmm2", "xmm3", "xmm5");
+ return sse;
+}
+
+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
+};
+
+uint32_t HashDjb2_SSE41(const uint8_t* src, int count, uint32_t seed) {
+ uint32_t hash;
+ asm volatile(
+ "movd %2,%%xmm0 \n"
+ "pxor %%xmm7,%%xmm7 \n"
+ "movdqa %4,%%xmm6 \n"
+
+ LABELALIGN
+ "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"
+ "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"
+ "sub $0x10,%1 \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", "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6",
+ "xmm7");
+ return hash;
+}
+#endif // defined(__x86_64__) || (defined(__i386__) && !defined(__pic__)))
+
+#ifdef __cplusplus
+} // extern "C"
+} // namespace libyuv
+#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-17 11:04:15 +0000