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File Bug-fix-in-ssse3-quantize-function.patch of Package libvpx
commit 0d43bd77e5f429467fbd280a7b8f7fbc0bfe1809 Author: Yunqing Wang <yunqingwang@google.com> Date: Fri Feb 7 14:27:07 2014 -0800 Bug fix in ssse3 quantize function A bug was reported in Issue 702: "SIGILL (Illegal instruction) when transcoding with vp9 - using FFmpeg". It was reproduced and fixed. Change-Id: Ie32c149a89af02856084aeaf289e848a905c7700 diff --git a/vp9/encoder/x86/vp9_quantize_ssse3.asm b/vp9/encoder/x86/vp9_quantize_ssse3.asm index db30660..48ccef8 100644 --- a/vp9/encoder/x86/vp9_quantize_ssse3.asm +++ b/vp9/encoder/x86/vp9_quantize_ssse3.asm @@ -188,7 +188,8 @@ cglobal quantize_%1, 0, %2, 15, coeff, ncoeff, skip, zbin, round, quant, \ pmaxsw m8, m7 pshuflw m7, m8, 0x1 pmaxsw m8, m7 - pextrw [r2], m8, 0 + pextrw r6, m8, 0 + mov [r2], r6 RET ; skip-block, i.e. just write all zeroes @@ -214,5 +215,5 @@ cglobal quantize_%1, 0, %2, 15, coeff, ncoeff, skip, zbin, round, quant, \ %endmacro INIT_XMM ssse3 -QUANTIZE_FN b, 6 +QUANTIZE_FN b, 7 QUANTIZE_FN b_32x32, 7