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Move sse16_sse2() from inline asm to yasm. It is one of the functions causing 

Win64/FATE issues.

Originally committed as revision 25136 to svn://svn.ffmpeg.org/ffmpeg/trunk
tags/n0.8
Ronald S. Bultje 14 years ago
parent
6de163e9bf
commit
d0acc2d2e9
3 changed files with 90 additions and 62 deletions
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  1. +1
    -0
      libavcodec/x86/Makefile
  2. +2
    -62
      libavcodec/x86/dsputilenc_mmx.c
  3. +87
    -0
      libavcodec/x86/dsputilenc_yasm.asm

+ 1
- 0
libavcodec/x86/Makefile View File

@@ -24,6 +24,7 @@ MMX-OBJS-$(CONFIG_MP3FLOAT_DECODER) += x86/mpegaudiodec_mmx.o
MMX-OBJS-$(CONFIG_MP3ON4FLOAT_DECODER) += x86/mpegaudiodec_mmx.o
MMX-OBJS-$(CONFIG_MP3ADUFLOAT_DECODER) += x86/mpegaudiodec_mmx.o
MMX-OBJS-$(CONFIG_ENCODERS) += x86/dsputilenc_mmx.o
YASM-OBJS-$(CONFIG_ENCODERS) += x86/dsputilenc_yasm.o
MMX-OBJS-$(CONFIG_GPL) += x86/idct_mmx.o
MMX-OBJS-$(CONFIG_LPC) += x86/lpc_mmx.o
MMX-OBJS-$(CONFIG_DWT) += x86/snowdsp_mmx.o


+ 2
- 62
libavcodec/x86/dsputilenc_mmx.c View File

@@ -323,67 +323,7 @@ static int sse16_mmx(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int
return tmp;
}

static int sse16_sse2(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int h) {
int tmp;
__asm__ volatile (
"shr $1,%2\n"
"pxor %%xmm0,%%xmm0\n" /* mm0 = 0 */
"pxor %%xmm7,%%xmm7\n" /* mm7 holds the sum */
"1:\n"
"movdqu (%0),%%xmm1\n" /* mm1 = pix1[0][0-15] */
"movdqu (%1),%%xmm2\n" /* mm2 = pix2[0][0-15] */
"movdqu (%0,%4),%%xmm3\n" /* mm3 = pix1[1][0-15] */
"movdqu (%1,%4),%%xmm4\n" /* mm4 = pix2[1][0-15] */

/* todo: mm1-mm2, mm3-mm4 */
/* algo: subtract mm1 from mm2 with saturation and vice versa */
/* OR the results to get absolute difference */
"movdqa %%xmm1,%%xmm5\n"
"movdqa %%xmm3,%%xmm6\n"
"psubusb %%xmm2,%%xmm1\n"
"psubusb %%xmm4,%%xmm3\n"
"psubusb %%xmm5,%%xmm2\n"
"psubusb %%xmm6,%%xmm4\n"

"por %%xmm1,%%xmm2\n"
"por %%xmm3,%%xmm4\n"

/* now convert to 16-bit vectors so we can square them */
"movdqa %%xmm2,%%xmm1\n"
"movdqa %%xmm4,%%xmm3\n"

"punpckhbw %%xmm0,%%xmm2\n"
"punpckhbw %%xmm0,%%xmm4\n"
"punpcklbw %%xmm0,%%xmm1\n" /* mm1 now spread over (mm1,mm2) */
"punpcklbw %%xmm0,%%xmm3\n" /* mm4 now spread over (mm3,mm4) */

"pmaddwd %%xmm2,%%xmm2\n"
"pmaddwd %%xmm4,%%xmm4\n"
"pmaddwd %%xmm1,%%xmm1\n"
"pmaddwd %%xmm3,%%xmm3\n"

"lea (%0,%4,2), %0\n" /* pix1 += 2*line_size */
"lea (%1,%4,2), %1\n" /* pix2 += 2*line_size */

"paddd %%xmm2,%%xmm1\n"
"paddd %%xmm4,%%xmm3\n"
"paddd %%xmm1,%%xmm7\n"
"paddd %%xmm3,%%xmm7\n"

"decl %2\n"
"jnz 1b\n"

"movdqa %%xmm7,%%xmm1\n"
"psrldq $8, %%xmm7\n" /* shift hi qword to lo */
"paddd %%xmm1,%%xmm7\n"
"movdqa %%xmm7,%%xmm1\n"
"psrldq $4, %%xmm7\n" /* shift hi dword to lo */
"paddd %%xmm1,%%xmm7\n"
"movd %%xmm7,%3\n"
: "+r" (pix1), "+r" (pix2), "+r"(h), "=r"(tmp)
: "r" ((x86_reg)line_size));
return tmp;
}
int ff_sse16_sse2(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int h);

static int hf_noise8_mmx(uint8_t * pix1, int line_size, int h) {
int tmp;
@@ -1376,7 +1316,7 @@ void dsputilenc_init_mmx(DSPContext* c, AVCodecContext *avctx)
c->hadamard8_diff[1]= hadamard8_diff_mmx;

c->pix_norm1 = pix_norm1_mmx;
c->sse[0] = (mm_flags & AV_CPU_FLAG_SSE2) ? sse16_sse2 : sse16_mmx;
c->sse[0] = (mm_flags & AV_CPU_FLAG_SSE2) ? ff_sse16_sse2 : sse16_mmx;
c->sse[1] = sse8_mmx;
c->vsad[4]= vsad_intra16_mmx;



+ 87
- 0
libavcodec/x86/dsputilenc_yasm.asm View File

@@ -0,0 +1,87 @@
;*****************************************************************************
;* MMX optimized DSP utils
;*****************************************************************************
;* Copyright (c) 2000, 2001 Fabrice Bellard
;* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
;*
;* This file is part of FFmpeg.
;*
;* FFmpeg is free software; you can redistribute it and/or
;* modify it under the terms of the GNU Lesser General Public
;* License as published by the Free Software Foundation; either
;* version 2.1 of the License, or (at your option) any later version.
;*
;* FFmpeg is distributed in the hope that it will be useful,
;* but WITHOUT ANY WARRANTY; without even the implied warranty of
;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;* Lesser General Public License for more details.
;*
;* You should have received a copy of the GNU Lesser General Public
;* License along with FFmpeg; if not, write to the Free Software
;* 51, Inc., Foundation Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
;*****************************************************************************

%include "x86inc.asm"
%include "x86util.asm"

SECTION .text

INIT_XMM
; sse16_sse2(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int h)
cglobal sse16_sse2, 5, 5, 8
shr r4, 1
pxor m0, m0 ; mm0 = 0
pxor m7, m7 ; mm7 holds the sum

.next2lines ; FIXME why are these unaligned movs? pix1[] is aligned
movu m1, [r1 ] ; mm1 = pix1[0][0-15]
movu m2, [r2 ] ; mm2 = pix2[0][0-15]
movu m3, [r1+r3] ; mm3 = pix1[1][0-15]
movu m4, [r2+r3] ; mm4 = pix2[1][0-15]

; todo: mm1-mm2, mm3-mm4
; algo: subtract mm1 from mm2 with saturation and vice versa
; OR the result to get the absolute difference
mova m5, m1
mova m6, m3
psubusb m1, m2
psubusb m3, m4
psubusb m2, m5
psubusb m4, m6

por m2, m1
por m4, m3

; now convert to 16-bit vectors so we can square them
mova m1, m2
mova m3, m4

punpckhbw m2, m0
punpckhbw m4, m0
punpcklbw m1, m0 ; mm1 not spread over (mm1,mm2)
punpcklbw m3, m0 ; mm4 not spread over (mm3,mm4)

pmaddwd m2, m2
pmaddwd m4, m4
pmaddwd m1, m1
pmaddwd m3, m3

lea r1, [r1+r3*2] ; pix1 += 2*line_size
lea r2, [r2+r3*2] ; pix2 += 2*line_size

paddd m1, m2
paddd m3, m4
paddd m7, m1
paddd m7, m3

dec r4
jnz .next2lines

mova m1, m7
psrldq m7, 8 ; shift hi qword to lo
paddd m7, m1
mova m1, m7
psrldq m7, 4 ; shift hi dword to lo
paddd m7, m1
movd eax, m7 ; return value
RET

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