diff options
Diffstat (limited to 'vp8/common')
| -rw-r--r-- | vp8/common/x86/subpixel_sse2.asm | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/vp8/common/x86/subpixel_sse2.asm b/vp8/common/x86/subpixel_sse2.asm index 69f8d103c..ca00583ca 100644 --- a/vp8/common/x86/subpixel_sse2.asm +++ b/vp8/common/x86/subpixel_sse2.asm @@ -181,8 +181,12 @@ sym(vp8_filter_block1d16_h6_sse2): movq xmm3, MMWORD PTR [rsi - 2] movq xmm1, MMWORD PTR [rsi + 6] - movq xmm2, MMWORD PTR [rsi +14] - pslldq xmm2, 8 + ; Load from 11 to avoid reading out of bounds. + movq xmm2, MMWORD PTR [rsi +11] + ; The lower bits are not cleared before 'or'ing with xmm1, + ; but that is OK because the values in the overlapping positions + ; are already equal to the ones in xmm1. + pslldq xmm2, 5 por xmm2, xmm1 prefetcht2 [rsi+rax-2] |