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Require clang 6 for AVX512 support

Browse Source 
row.h adds CLANG_HAS_AVX512
function ifdefs in row.h for avx512
source code ifdefed function by function for
avx512 and avx2.

Bug: libyuv:778
Test: LibYUVConvertTest.NV21ToRGB24_Opt
Change-Id: If32b51459685d0d5785c5c1e94c8f668f8e74b55
Reviewed-on: https://chromium-review.googlesource.com/982402
Commit-Queue: Frank Barchard <fbarchard@chromium.org>
Reviewed-by: richard winterton <rrwinterton@gmail.com>
This commit is contained in:
Frank Barchard 2018-03-27 18:43:47 -07:00 committed by Commit Bot
parent c21af29ab7
commit 548ec65656
4 changed files with 23 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
README.chromium
View File

@ -1,6 +1,6 @@
Name: libyuv
URL: http://code.google.com/p/libyuv/
Version: 1705
Version: 1706
License: BSD
License File: LICENSE

16
include/libyuv/row.h
View File

@ -55,6 +55,13 @@ extern "C" {
#endif // clang >= 3.4
#endif // __clang__
// clang >= 6.0.0 required for AVX512.
#if defined(__clang__) && (defined(__x86_64__) || defined(__i386__))
#if (__clang_major__ >= 6)
#define CLANG_HAS_AVX512 1
#endif // clang >= 6
#endif // __clang__
// Visual C 2012 required for AVX2.
#if defined(_M_IX86) && !defined(__clang__) && defined(_MSC_VER) && \
_MSC_VER >= 1700
@ -277,7 +284,6 @@ extern "C" {
#define HAS_ARGBTOAR30ROW_AVX2
#define HAS_ARGBTORAWROW_AVX2
#define HAS_ARGBTORGB24ROW_AVX2
#define HAS_ARGBTORGB24ROW_AVX512VBMI
#define HAS_CONVERT16TO8ROW_AVX2
#define HAS_CONVERT8TO16ROW_AVX2
#define HAS_I210TOAR30ROW_AVX2
@ -289,6 +295,14 @@ extern "C" {
#define HAS_MULTIPLYROW_16_AVX2
#endif
// The following are available for AVX512 clang x86 platforms:
// TODO(fbarchard): Port to GCC and Visual C
#if !defined(LIBYUV_DISABLE_X86) && \
(defined(__x86_64__) || (defined(__i386__) && !defined(_MSC_VER))) && \
(defined(CLANG_HAS_AVX512))
#define HAS_ARGBTORGB24ROW_AVX512VBMI
#endif
// The following are available on Neon platforms:
#if !defined(LIBYUV_DISABLE_NEON) && \
(defined(__aarch64__) || defined(__ARM_NEON__) || defined(LIBYUV_NEON))

2
include/libyuv/version.h
View File

@ -11,6 +11,6 @@
#ifndef INCLUDE_LIBYUV_VERSION_H_
#define INCLUDE_LIBYUV_VERSION_H_
#define LIBYUV_VERSION 1705
#define LIBYUV_VERSION 1706
#endif // INCLUDE_LIBYUV_VERSION_H_

8
source/row_gcc.cc
View File

@ -505,6 +505,7 @@ void ARGBToRAWRow_SSSE3(const uint8_t* src, uint8_t* dst, int width) {
: "memory", "cc", "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6");
}
#ifdef HAS_ARGBTORGB24ROW_AVX2
// vpermd for 12+12 to 24
static const lvec32 kPermdRGB24_AVX = {0, 1, 2, 4, 5, 6, 3, 7};
@ -551,9 +552,9 @@ void ARGBToRGB24Row_AVX2(const uint8_t* src, uint8_t* dst, int width) {
: "memory", "cc", "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6",
"xmm7");
}
#endif
// TODO(fbarchard): Detect compiler can di avx512 and add ifdefs
#ifdef HAS_ARGBTORGB24ROW_AVX512VBMI
// Shuffle table for converting ARGBToRGB24
static const ulvec8 kPermARGBToRGB24_0 = {
0u, 1u, 2u, 4u, 5u, 6u, 8u, 9u, 10u, 12u, 13u,
@ -599,7 +600,9 @@ void ARGBToRGB24Row_AVX512VBMI(const uint8_t* src, uint8_t* dst, int width) {
"m"(kPermARGBToRGB24_2) // %5
: "memory", "cc", "xmm0", "xmm1", "xmm2", "xmm3", "xmm5", "xmm6", "xmm7");
}
#endif
#ifdef HAS_ARGBTORAWROW_AVX2
void ARGBToRAWRow_AVX2(const uint8_t* src, uint8_t* dst, int width) {
asm volatile(
"vbroadcastf128 %3,%%ymm6 \n"
@ -643,6 +646,7 @@ void ARGBToRAWRow_AVX2(const uint8_t* src, uint8_t* dst, int width) {
: "memory", "cc", "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6",
"xmm7");
}
#endif
void ARGBToRGB565Row_SSE2(const uint8_t* src, uint8_t* dst, int width) {
asm volatile(