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Change scale 3/8 to use scratch registers for constants

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BUG=none
TEST=none
Review URL: https://webrtc-codereview.appspot.com/576011

git-svn-id: http://libyuv.googlecode.com/svn/trunk@267 16f28f9a-4ce2-e073-06de-1de4eb20be90
This commit is contained in:
fbarchard@google.com 2012-05-15 05:41:56 +00:00
parent f2d84dddd2
commit 600587d1f0
3 changed files with 88 additions and 90 deletions
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2
README.chromium
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@ -1,6 +1,6 @@
Name: libyuv Name: libyuv
URL: http://code.google.com/p/libyuv/ URL: http://code.google.com/p/libyuv/
Version: 265 Version: 267
License: BSD License: BSD
License File: LICENSE License File: LICENSE

2
include/libyuv/version.h
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@ -11,7 +11,7 @@
#ifndef INCLUDE_LIBYUV_VERSION_H_ #ifndef INCLUDE_LIBYUV_VERSION_H_
#define INCLUDE_LIBYUV_VERSION_H_ #define INCLUDE_LIBYUV_VERSION_H_
#define LIBYUV_VERSION 265 #define LIBYUV_VERSION 267
#endif // INCLUDE_LIBYUV_VERSION_H_ #endif // INCLUDE_LIBYUV_VERSION_H_

174
source/scale.cc
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@ -1216,53 +1216,53 @@ static void ScaleRowDown38_3_Int_SSSE3(const uint8* src_ptr, int src_stride,
mov esi, [esp + 4 + 8] // src_stride mov esi, [esp + 4 + 8] // src_stride
mov edx, [esp + 4 + 12] // dst_ptr mov edx, [esp + 4 + 12] // dst_ptr
mov ecx, [esp + 4 + 16] // dst_width mov ecx, [esp + 4 + 16] // dst_width
movdqa xmm4, kShufAc movdqa xmm2, kShufAc
movdqa xmm5, kShufAc3 movdqa xmm3, kShufAc3
movdqa xmm6, kScaleAc33 movdqa xmm4, kScaleAc33
pxor xmm7, xmm7 pxor xmm5, xmm5
align 16 align 16
xloop: xloop:
movdqa xmm0, [eax] // sum up 3 rows into xmm0/1 movdqa xmm0, [eax] // sum up 3 rows into xmm0/1
movdqa xmm2, [eax + esi] movdqa xmm6, [eax + esi]
movhlps xmm1, xmm0 movhlps xmm1, xmm0
movhlps xmm3, xmm2 movhlps xmm7, xmm6
punpcklbw xmm0, xmm7 punpcklbw xmm0, xmm5
punpcklbw xmm1, xmm7 punpcklbw xmm1, xmm5
punpcklbw xmm2, xmm7 punpcklbw xmm6, xmm5
punpcklbw xmm3, xmm7 punpcklbw xmm7, xmm5
paddusw xmm0, xmm2 paddusw xmm0, xmm6
paddusw xmm1, xmm3 paddusw xmm1, xmm7
movdqa xmm2, [eax + esi * 2] movdqa xmm6, [eax + esi * 2]
lea eax, [eax + 16] lea eax, [eax + 16]
movhlps xmm3, xmm2 movhlps xmm7, xmm6
punpcklbw xmm2, xmm7 punpcklbw xmm6, xmm5
punpcklbw xmm3, xmm7 punpcklbw xmm7, xmm5
paddusw xmm0, xmm2 paddusw xmm0, xmm6
paddusw xmm1, xmm3 paddusw xmm1, xmm7
movdqa xmm2, xmm0 // 8 pixels -> 0,1,2 of xmm2 movdqa xmm6, xmm0 // 8 pixels -> 0,1,2 of xmm6
psrldq xmm0, 2 psrldq xmm0, 2
paddusw xmm2, xmm0 paddusw xmm6, xmm0
psrldq xmm0, 2 psrldq xmm0, 2
paddusw xmm2, xmm0 paddusw xmm6, xmm0
pshufb xmm2, xmm4 pshufb xmm6, xmm2
movdqa xmm3, xmm1 // 8 pixels -> 3,4,5 of xmm2 movdqa xmm7, xmm1 // 8 pixels -> 3,4,5 of xmm6
psrldq xmm1, 2 psrldq xmm1, 2
paddusw xmm3, xmm1 paddusw xmm7, xmm1
psrldq xmm1, 2 psrldq xmm1, 2
paddusw xmm3, xmm1 paddusw xmm7, xmm1
pshufb xmm3, xmm5 pshufb xmm7, xmm3
paddusw xmm2, xmm3 paddusw xmm6, xmm7
pmulhuw xmm2, xmm6 // divide by 9,9,6, 9,9,6 pmulhuw xmm6, xmm4 // divide by 9,9,6, 9,9,6
packuswb xmm2, xmm2 packuswb xmm6, xmm6
sub ecx, 6 sub ecx, 6
movd [edx], xmm2 // write 6 pixels movd [edx], xmm6 // write 6 pixels
psrlq xmm2, 16 psrlq xmm6, 16
movd [edx + 2], xmm2 movd [edx + 2], xmm6
lea edx, [edx + 6] lea edx, [edx + 6]
jg xloop jg xloop
@ -1281,32 +1281,32 @@ static void ScaleRowDown38_2_Int_SSSE3(const uint8* src_ptr, int src_stride,
mov esi, [esp + 4 + 8] // src_stride mov esi, [esp + 4 + 8] // src_stride
mov edx, [esp + 4 + 12] // dst_ptr mov edx, [esp + 4 + 12] // dst_ptr
mov ecx, [esp + 4 + 16] // dst_width mov ecx, [esp + 4 + 16] // dst_width
movdqa xmm4, kShufAb0 movdqa xmm2, kShufAb0
movdqa xmm5, kShufAb1 movdqa xmm3, kShufAb1
movdqa xmm6, kShufAb2 movdqa xmm4, kShufAb2
movdqa xmm7, kScaleAb2 movdqa xmm5, kScaleAb2
align 16 align 16
xloop: xloop:
movdqa xmm2, [eax] // average 2 rows into xmm2 movdqa xmm0, [eax] // average 2 rows into xmm0
pavgb xmm2, [eax + esi] pavgb xmm0, [eax + esi]
lea eax, [eax + 16] lea eax, [eax + 16]
movdqa xmm0, xmm2 // 16 pixels -> 0,1,2,3,4,5 of xmm0 movdqa xmm1, xmm0 // 16 pixels -> 0,1,2,3,4,5 of xmm1
pshufb xmm1, xmm2
movdqa xmm6, xmm0
pshufb xmm6, xmm3
paddusw xmm1, xmm6
pshufb xmm0, xmm4 pshufb xmm0, xmm4
movdqa xmm1, xmm2 paddusw xmm1, xmm0
pshufb xmm1, xmm5
paddusw xmm0, xmm1
pshufb xmm2, xmm6
paddusw xmm0, xmm2
pmulhuw xmm0, xmm7 // divide by 3,3,2, 3,3,2 pmulhuw xmm1, xmm5 // divide by 3,3,2, 3,3,2
packuswb xmm0, xmm0 packuswb xmm1, xmm1
sub ecx, 6 sub ecx, 6
movd [edx], xmm0 // write 6 pixels movd [edx], xmm1 // write 6 pixels
psrlq xmm0, 16 psrlq xmm1, 16
movd [edx + 2], xmm0 movd [edx + 2], xmm1
lea edx, [edx + 6] lea edx, [edx + 6]
jg xloop jg xloop
@ -2004,7 +2004,6 @@ static void ScaleRowDown34_0_Int_SSSE3(const uint8* src_ptr, int src_stride,
: "m"(kMadd01), // %0 : "m"(kMadd01), // %0
"m"(kMadd11), // %1 "m"(kMadd11), // %1
"m"(kRound34) // %2 "m"(kRound34) // %2
:
); );
asm volatile ( asm volatile (
@ -2101,27 +2100,26 @@ static void ScaleRowDown38_2_Int_SSSE3(const uint8* src_ptr, int src_stride,
"m"(kShufAb2), // %2 "m"(kShufAb2), // %2
"m"(kScaleAb2) // %3 "m"(kScaleAb2) // %3
); );
asm volatile ( asm volatile (
".p2align 4 \n" ".p2align 4 \n"
"1:" "1: \n"
"movdqa (%0),%%xmm0 \n" "movdqa (%0),%%xmm0 \n"
"pavgb (%0,%3,1),%%xmm0 \n" "pavgb (%0,%3,1),%%xmm0 \n"
"lea 0x10(%0),%0 \n" "lea 0x10(%0),%0 \n"
"movdqa %%xmm0,%%xmm1 \n" "movdqa %%xmm0,%%xmm1 \n"
"pshufb %%xmm2,%%xmm1 \n" "pshufb %%xmm2,%%xmm1 \n"
"movdqa %%xmm0,%%xmm5 \n" "movdqa %%xmm0,%%xmm6 \n"
"pshufb %%xmm3,%%xmm5 \n" "pshufb %%xmm3,%%xmm6 \n"
"paddusw %%xmm5,%%xmm1 \n" "paddusw %%xmm6,%%xmm1 \n"
"pshufb %%xmm4,%%xmm0 \n" "pshufb %%xmm4,%%xmm0 \n"
"paddusw %%xmm0,%%xmm1 \n" "paddusw %%xmm0,%%xmm1 \n"
"pmulhuw %%xmm5,%%xmm1 \n" "pmulhuw %%xmm5,%%xmm1 \n"
"packuswb %%xmm1,%%xmm1 \n" "packuswb %%xmm1,%%xmm1 \n"
"sub $0x6,%2 \n"
"movd %%xmm1,(%1) \n" "movd %%xmm1,(%1) \n"
"psrlq $0x10,%%xmm1 \n" "psrlq $0x10,%%xmm1 \n"
"movd %%xmm1,0x02(%1) \n" "movd %%xmm1,0x2(%1) \n"
"lea 0x6(%1),%1 \n" "lea 0x6(%1),%1 \n"
"sub $0x6,%2 \n"
"jg 1b \n" "jg 1b \n"
: "+r"(src_ptr), // %0 : "+r"(src_ptr), // %0
"+r"(dst_ptr), // %1 "+r"(dst_ptr), // %1
@ -2129,7 +2127,7 @@ static void ScaleRowDown38_2_Int_SSSE3(const uint8* src_ptr, int src_stride,
: "r"(static_cast<intptr_t>(src_stride)) // %3 : "r"(static_cast<intptr_t>(src_stride)) // %3
: "memory", "cc" : "memory", "cc"
#if defined(__SSE2__) #if defined(__SSE2__)
, "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5" , "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6"
#endif #endif
); );
} }
@ -2140,52 +2138,52 @@ static void ScaleRowDown38_3_Int_SSSE3(const uint8* src_ptr, int src_stride,
"movdqa %0,%%xmm2 \n" "movdqa %0,%%xmm2 \n"
"movdqa %1,%%xmm3 \n" "movdqa %1,%%xmm3 \n"
"movdqa %2,%%xmm4 \n" "movdqa %2,%%xmm4 \n"
"pxor %%xmm5,%%xmm5 \n"
: :
: "m"(kShufAc), // %0 : "m"(kShufAc), // %0
"m"(kShufAc3), // %1 "m"(kShufAc3), // %1
"m"(kScaleAc33) // %2 "m"(kScaleAc33) // %2
); );
asm volatile ( asm volatile (
"pxor %%xmm5,%%xmm5 \n"
".p2align 4 \n" ".p2align 4 \n"
"1: \n" "1: \n"
"movdqa (%0),%%xmm0 \n" "movdqa (%0),%%xmm0 \n"
"movdqa (%0,%3,1),%%xmm1 \n" "movdqa (%0,%3,1),%%xmm6 \n"
"movhlps %%xmm0,%%xmm5 \n" "movhlps %%xmm0,%%xmm1 \n"
"movhlps %%xmm1,%%xmm6 \n" "movhlps %%xmm6,%%xmm7 \n"
"punpcklbw %%xmm5,%%xmm0 \n" "punpcklbw %%xmm5,%%xmm0 \n"
"punpcklbw %%xmm5,%%xmm5 \n"
"punpcklbw %%xmm5,%%xmm1 \n" "punpcklbw %%xmm5,%%xmm1 \n"
"punpcklbw %%xmm5,%%xmm6 \n" "punpcklbw %%xmm5,%%xmm6 \n"
"paddusw %%xmm1,%%xmm0 \n" "punpcklbw %%xmm5,%%xmm7 \n"
"paddusw %%xmm6,%%xmm5 \n" "paddusw %%xmm6,%%xmm0 \n"
"movdqa (%0,%3,2),%%xmm1 \n" "paddusw %%xmm7,%%xmm1 \n"
"movdqa (%0,%3,2),%%xmm6 \n"
"lea 0x10(%0),%0 \n" "lea 0x10(%0),%0 \n"
"movhlps %%xmm1,%%xmm6 \n" "movhlps %%xmm6,%%xmm7 \n"
"punpcklbw %%xmm5,%%xmm1 \n"
"punpcklbw %%xmm5,%%xmm6 \n" "punpcklbw %%xmm5,%%xmm6 \n"
"paddusw %%xmm1,%%xmm0 \n" "punpcklbw %%xmm5,%%xmm7 \n"
"paddusw %%xmm6,%%xmm5 \n" "paddusw %%xmm6,%%xmm0 \n"
"movdqa %%xmm0,%%xmm1 \n" "paddusw %%xmm7,%%xmm1 \n"
"movdqa %%xmm0,%%xmm6 \n"
"psrldq $0x2,%%xmm0 \n" "psrldq $0x2,%%xmm0 \n"
"paddusw %%xmm0,%%xmm1 \n" "paddusw %%xmm0,%%xmm6 \n"
"psrldq $0x2,%%xmm0 \n" "psrldq $0x2,%%xmm0 \n"
"paddusw %%xmm0,%%xmm1 \n" "paddusw %%xmm0,%%xmm6 \n"
"pshufb %%xmm2,%%xmm1 \n" "pshufb %%xmm2,%%xmm6 \n"
"movdqa %%xmm5,%%xmm6 \n" "movdqa %%xmm1,%%xmm7 \n"
"psrldq $0x2,%%xmm5 \n" "psrldq $0x2,%%xmm1 \n"
"paddusw %%xmm5,%%xmm6 \n" "paddusw %%xmm1,%%xmm7 \n"
"psrldq $0x2,%%xmm5 \n" "psrldq $0x2,%%xmm1 \n"
"paddusw %%xmm5,%%xmm6 \n" "paddusw %%xmm1,%%xmm7 \n"
"pshufb %%xmm3,%%xmm6 \n" "pshufb %%xmm3,%%xmm7 \n"
"paddusw %%xmm6,%%xmm1 \n" "paddusw %%xmm7,%%xmm6 \n"
"pmulhuw %%xmm4,%%xmm1 \n" "pmulhuw %%xmm4,%%xmm6 \n"
"packuswb %%xmm1,%%xmm1 \n" "packuswb %%xmm6,%%xmm6 \n"
"movd %%xmm1,(%1) \n"
"psrlq $0x10,%%xmm1 \n"
"movd %%xmm1,0x02(%1) \n"
"lea 0x6(%1),%1 \n"
"sub $0x6,%2 \n" "sub $0x6,%2 \n"
"movd %%xmm6,(%1) \n"
"psrlq $0x10,%%xmm6 \n"
"movd %%xmm6,0x2(%1) \n"
"lea 0x6(%1),%1 \n"
"jg 1b \n" "jg 1b \n"
: "+r"(src_ptr), // %0 : "+r"(src_ptr), // %0
"+r"(dst_ptr), // %1 "+r"(dst_ptr), // %1
@ -2193,7 +2191,7 @@ static void ScaleRowDown38_3_Int_SSSE3(const uint8* src_ptr, int src_stride,
: "r"(static_cast<intptr_t>(src_stride)) // %3 : "r"(static_cast<intptr_t>(src_stride)) // %3
: "memory", "cc" : "memory", "cc"
#if defined(__SSE2__) #if defined(__SSE2__)
, "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6" , "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7"
#endif #endif
); );
} }