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Port ScaleFilterCols_SSSE3 to gcc

Browse Source 
BUG=none
TEST=Scale*
R=tpsiaki@google.com

Review URL: https://webrtc-codereview.appspot.com/3789004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@851 16f28f9a-4ce2-e073-06de-1de4eb20be90
This commit is contained in:
fbarchard@google.com 2013-11-12 20:40:55 +00:00
parent e37aed6f42
commit 5c36470985
3 changed files with 78 additions and 8 deletions
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2
README.chromium
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@ -1,6 +1,6 @@
Name: libyuv
URL: http://code.google.com/p/libyuv/
Version: 850
Version: 851
License: BSD
License File: LICENSE

2
include/libyuv/version.h
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@ -11,6 +11,6 @@
#ifndef INCLUDE_LIBYUV_VERSION_H_ // NOLINT
#define INCLUDE_LIBYUV_VERSION_H_
#define LIBYUV_VERSION 850
#define LIBYUV_VERSION 851
#endif // INCLUDE_LIBYUV_VERSION_H_ NOLINT

82
source/scale.cc
View File

@ -873,11 +873,6 @@ static void ScaleAddRows_SSE2(const uint8* src_ptr, ptrdiff_t src_stride,
// Bilinear row filtering combines 2x1 -> 1x1. SSSE3 version.
// TODO(fbarchard): Port to Neon
// Shuffle table for duplicating 2 fractions into 8 bytes each
static uvec8 kShuffleFractions = {
0u, 0u, 4u, 4u, 80u, 80u, 80u, 80u, 80u, 80u, 80u, 80u, 80u, 80u, 80u, 80u,
};
#define HAS_SCALEFILTERCOLS_SSSE3
__declspec(naked) __declspec(align(16))
static void ScaleFilterCols_SSSE3(uint8* dst_ptr, const uint8* src_ptr,
@ -891,7 +886,8 @@ static void ScaleFilterCols_SSSE3(uint8* dst_ptr, const uint8* src_ptr,
mov ecx, [esp + 12 + 12] // dst_width
movd xmm2, [esp + 12 + 16] // x
movd xmm3, [esp + 12 + 20] // dx
movdqa xmm5, kShuffleFractions
mov eax, 0x04040000 // shuffle to line up fractions with pixel.
movd xmm5, eax
pcmpeqb xmm6, xmm6 // generate 0x007f for inverting fraction.
psrlw xmm6, 9
pextrw eax, xmm2, 1 // get x0 integer. preroll
@ -1621,6 +1617,80 @@ static void ScaleAddRows_SSE2(const uint8* src_ptr, ptrdiff_t src_stride,
);
}
// Bilinear row filtering combines 4x2 -> 4x1. SSSE3 version
#define HAS_SCALEFILTERCOLS_SSSE3
static void ScaleFilterCols_SSSE3(uint8* dst_ptr, const uint8* src_ptr,
int dst_width, int x, int dx) {
intptr_t x0 = 0, x1 = 0, temp_pixel = 0;
asm volatile (
"movd %6,%%xmm2 \n"
"movd %7,%%xmm3 \n"
"movl $0x04040000,%k5 \n"
"movd %k5,%%xmm5 \n"
"pcmpeqb %%xmm6,%%xmm6 \n"
"psrlw $0x9,%%xmm6 \n"
"pextrw $0x1,%%xmm2,%k3 \n"
"subl $0x2,%2 \n"
"jl 29f \n"
"movdqa %%xmm2,%%xmm0 \n"
"paddd %%xmm3,%%xmm0 \n"
"punpckldq %%xmm0,%%xmm2 \n"
"punpckldq %%xmm3,%%xmm3 \n"
"paddd %%xmm3,%%xmm3 \n"
"pextrw $0x3,%%xmm2,%k4 \n"
".p2align 4 \n"
"2: \n"
"movdqa %%xmm2,%%xmm1 \n"
"paddd %%xmm3,%%xmm2 \n"
"movzwl (%1,%3,1),%k5 \n"
"movd %k5,%%xmm0 \n"
"psrlw $0x9,%%xmm1 \n"
"movzwl (%1,%4,1),%k5 \n"
"movd %k5,%%xmm7 \n"
"pshufb %%xmm5,%%xmm1 \n"
"punpcklwd %%xmm7,%%xmm0 \n"
"pxor %%xmm6,%%xmm1 \n"
"pmaddubsw %%xmm1,%%xmm0 \n"
"psrlw $0x7,%%xmm0 \n"
"pextrw $0x1,%%xmm2,%k3 \n"
"pextrw $0x3,%%xmm2,%k4 \n"
"packuswb %%xmm0,%%xmm0 \n"
"movd %%xmm0,%k5 \n"
"mov %w5,(%0) \n"
"lea 0x2(%0),%0 \n"
"sub $0x2,%2 \n"
"jge 2b \n"
".p2align 4 \n"
"29: \n"
"addl $0x1,%2 \n"
"jl 99f \n"
"movdqa %%xmm2,%%xmm1 \n"
"movzwl (%1,%3,1),%k5 \n"
"movd %k5,%%xmm0 \n"
"psrlw $0x9,%%xmm1 \n"
"pshufb %%xmm5,%%xmm1 \n"
"pxor %%xmm6,%%xmm1 \n"
"pmaddubsw %%xmm1,%%xmm0 \n"
"psrlw $0x7,%%xmm0 \n"
"packuswb %%xmm0,%%xmm0 \n"
"movd %%xmm0,%k5 \n"
"mov %b5,(%0) \n"
"99: \n"
: "+r"(dst_ptr), // %0
"+r"(src_ptr), // %1
"+rm"(dst_width), // %2
"+a"(x0), // %3
"+d"(x1), // %4
"+b"(temp_pixel) // %5
: "rm"(x), // %6
"rm"(dx) // %7
: "memory", "cc"
#if defined(__SSE2__)
, "xmm0", "xmm1", "xmm2", "xmm3", "xmm5", "xmm6", "xmm7"
#endif
);
}
#endif // defined(__x86_64__) || defined(__i386__)
#if !defined(LIBYUV_DISABLE_MIPS) && !defined(__native_client__) && \