diff options
| author | Yunqing Wang <yunqingwang@google.com> | 2011-02-14 14:09:25 -0800 |
|---|---|---|
| committer | Code Review <code-review@webmproject.org> | 2011-02-14 14:09:25 -0800 |
| commit | 7725a7eb56e74ebbdba14d01cfe85a151f81bf1c (patch) | |
| tree | 7e36f0e87db4356bb52e4e46133beb224d5a72c0 /vp8 | |
| parent | 27dad21548253f95a880e52fd0f8fb8a398b72f0 (diff) | |
| parent | 2debd5b5f75ab11bb6835b929e468f2873a88277 (diff) | |
| download | libvpx-7725a7eb56e74ebbdba14d01cfe85a151f81bf1c.tar libvpx-7725a7eb56e74ebbdba14d01cfe85a151f81bf1c.tar.gz libvpx-7725a7eb56e74ebbdba14d01cfe85a151f81bf1c.tar.bz2 libvpx-7725a7eb56e74ebbdba14d01cfe85a151f81bf1c.zip | |
Merge "Improve vp8_sad16x16_sse3 function"
Diffstat (limited to 'vp8')
| -rw-r--r-- | vp8/encoder/x86/sad_sse3.asm | 57 |
1 files changed, 25 insertions, 32 deletions
diff --git a/vp8/encoder/x86/sad_sse3.asm b/vp8/encoder/x86/sad_sse3.asm index 575417516..f0336ab17 100644 --- a/vp8/encoder/x86/sad_sse3.asm +++ b/vp8/encoder/x86/sad_sse3.asm @@ -586,52 +586,45 @@ sym(vp8_sad16x16_sse3): STACK_FRAME_CREATE_X3 - lea end_ptr, [src_ptr+src_stride*8] - - lea end_ptr, [end_ptr+src_stride*8] - pxor mm7, mm7 + mov end_ptr, 4 + pxor xmm7, xmm7 .vp8_sad16x16_sse3_loop: + movdqa xmm0, XMMWORD PTR [src_ptr] + movdqu xmm1, XMMWORD PTR [ref_ptr] + movdqa xmm2, XMMWORD PTR [src_ptr+src_stride] + movdqu xmm3, XMMWORD PTR [ref_ptr+ref_stride] - movq ret_var, mm7 - cmp ret_var, max_err - jg .vp8_sad16x16_early_exit - - movq mm0, QWORD PTR [src_ptr] - movq mm2, QWORD PTR [src_ptr+8] - - movq mm1, QWORD PTR [ref_ptr] - movq mm3, QWORD PTR [ref_ptr+8] + lea src_ptr, [src_ptr+src_stride*2] + lea ref_ptr, [ref_ptr+ref_stride*2] - movq mm4, QWORD PTR [src_ptr+src_stride] - movq mm5, QWORD PTR [ref_ptr+ref_stride] + movdqa xmm4, XMMWORD PTR [src_ptr] + movdqu xmm5, XMMWORD PTR [ref_ptr] + movdqa xmm6, XMMWORD PTR [src_ptr+src_stride] - psadbw mm0, mm1 - psadbw mm2, mm3 + psadbw xmm0, xmm1 - movq mm1, QWORD PTR [src_ptr+src_stride+8] - movq mm3, QWORD PTR [ref_ptr+ref_stride+8] + movdqu xmm1, XMMWORD PTR [ref_ptr+ref_stride] - psadbw mm4, mm5 - psadbw mm1, mm3 + psadbw xmm2, xmm3 + psadbw xmm4, xmm5 + psadbw xmm6, xmm1 lea src_ptr, [src_ptr+src_stride*2] lea ref_ptr, [ref_ptr+ref_stride*2] - paddw mm0, mm2 - paddw mm4, mm1 - - paddw mm7, mm0 - paddw mm7, mm4 + paddw xmm7, xmm0 + paddw xmm7, xmm2 + paddw xmm7, xmm4 + paddw xmm7, xmm6 - cmp src_ptr, end_ptr + sub end_ptr, 1 jne .vp8_sad16x16_sse3_loop - movq ret_var, mm7 - -.vp8_sad16x16_early_exit: - - mov rax, ret_var + movq xmm0, xmm7 + psrldq xmm7, 8 + paddw xmm0, xmm7 + movq rax, xmm0 STACK_FRAME_DESTROY_X3 |