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| author | Michael Niedermayer <michaelni@gmx.at> | 2007-08-25 16:28:45 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2007-08-25 16:28:45 +0000 |
| commit | 9caa1cccb991260add5abba9d26eb2c8b4e97d5c (patch) | |
| tree | da88a40e6a3360adbf8805996c054a5f0675ba22 /libavcodec | |
| parent | 3e0f7126b53b395d9e79df57b2e626eb99ad846b (diff) | |
prevent one overflow in the first vertical lifting step
Originally committed as revision 10224 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/i386/snowdsp_mmx.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/libavcodec/i386/snowdsp_mmx.c b/libavcodec/i386/snowdsp_mmx.c index 8a2262f740..4fad6f81eb 100644 --- a/libavcodec/i386/snowdsp_mmx.c +++ b/libavcodec/i386/snowdsp_mmx.c @@ -448,16 +448,16 @@ void ff_snow_vertical_compose97i_sse2(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, snow_vertical_compose_sse2_load(REG_S,"xmm0","xmm2","xmm4","xmm6") snow_vertical_compose_sse2_add(REG_a,"xmm0","xmm2","xmm4","xmm6") snow_vertical_compose_sse2_move("xmm0","xmm2","xmm4","xmm6","xmm1","xmm3","xmm5","xmm7") - snow_vertical_compose_sse2_r2r_add("xmm0","xmm2","xmm4","xmm6","xmm0","xmm2","xmm4","xmm6") + snow_vertical_compose_sse2_sra("1","xmm0","xmm2","xmm4","xmm6") snow_vertical_compose_sse2_r2r_add("xmm1","xmm3","xmm5","xmm7","xmm0","xmm2","xmm4","xmm6") "pcmpeqd %%xmm1, %%xmm1 \n\t" "psllw $15, %%xmm1 \n\t" - "psrlw $13, %%xmm1 \n\t" + "psrlw $14, %%xmm1 \n\t" "mov %5, %%"REG_a" \n\t" snow_vertical_compose_sse2_r2r_add("xmm1","xmm1","xmm1","xmm1","xmm0","xmm2","xmm4","xmm6") - snow_vertical_compose_sse2_sra("3","xmm0","xmm2","xmm4","xmm6") + snow_vertical_compose_sse2_sra("2","xmm0","xmm2","xmm4","xmm6") snow_vertical_compose_sse2_load(REG_a,"xmm1","xmm3","xmm5","xmm7") snow_vertical_compose_sse2_sub("xmm0","xmm2","xmm4","xmm6","xmm1","xmm3","xmm5","xmm7") snow_vertical_compose_sse2_store(REG_a,"xmm1","xmm3","xmm5","xmm7") @@ -550,16 +550,16 @@ void ff_snow_vertical_compose97i_mmx(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, I snow_vertical_compose_mmx_load(REG_S,"mm0","mm2","mm4","mm6") snow_vertical_compose_mmx_add(REG_a,"mm0","mm2","mm4","mm6") snow_vertical_compose_mmx_move("mm0","mm2","mm4","mm6","mm1","mm3","mm5","mm7") - snow_vertical_compose_mmx_r2r_add("mm0","mm2","mm4","mm6","mm0","mm2","mm4","mm6") + snow_vertical_compose_mmx_sra("1","mm0","mm2","mm4","mm6") snow_vertical_compose_mmx_r2r_add("mm1","mm3","mm5","mm7","mm0","mm2","mm4","mm6") "pcmpeqw %%mm1, %%mm1 \n\t" "psllw $15, %%mm1 \n\t" - "psrlw $13, %%mm1 \n\t" + "psrlw $14, %%mm1 \n\t" "mov %5, %%"REG_a" \n\t" snow_vertical_compose_mmx_r2r_add("mm1","mm1","mm1","mm1","mm0","mm2","mm4","mm6") - snow_vertical_compose_mmx_sra("3","mm0","mm2","mm4","mm6") + snow_vertical_compose_mmx_sra("2","mm0","mm2","mm4","mm6") snow_vertical_compose_mmx_load(REG_a,"mm1","mm3","mm5","mm7") snow_vertical_compose_mmx_sub("mm0","mm2","mm4","mm6","mm1","mm3","mm5","mm7") snow_vertical_compose_mmx_store(REG_a,"mm1","mm3","mm5","mm7") |