diff options
| -rw-r--r-- | vp8/decoder/x86/dequantize_mmx.asm | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/vp8/decoder/x86/dequantize_mmx.asm b/vp8/decoder/x86/dequantize_mmx.asm index 7ad9289cc..f11eef35a 100644 --- a/vp8/decoder/x86/dequantize_mmx.asm +++ b/vp8/decoder/x86/dequantize_mmx.asm @@ -261,8 +261,6 @@ sym(vp8_dequant_dc_idct_add_mmx): mov rax, arg(0) ;input mov rdx, arg(1) ;dq - movsxd rcx, dword ptr arg(6) ;Dc - movq mm0, [rax ] pmullw mm0, [rdx] @@ -286,8 +284,13 @@ sym(vp8_dequant_dc_idct_add_mmx): movq [rax+16],mm7 movq [rax+24],mm7 + ; move lower word of Dc to lower word of mm0 + psrlq mm0, 16 + movzx rcx, word ptr arg(6) ;Dc + psllq mm0, 16 + movd mm7, rcx + por mm0, mm7 - pinsrw mm0, rcx, 0 movsxd rax, dword ptr arg(4) ;pitch movsxd rdi, dword ptr arg(5) ;stride |