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| author | James Almer <jamrial@gmail.com> | 2016-06-14 12:41:23 -0300 |
|---|---|---|
| committer | James Almer <jamrial@gmail.com> | 2016-06-14 12:41:23 -0300 |
| commit | ede4ec1f8f5fd94dccd880199419a1f1b8137ab6 (patch) | |
| tree | bf19e0574aa312eb588d66b062bdea06b9be2266 /libavcodec/x86 | |
| parent | d5ded429f25cf245f37556ec3076cade9d1fb67f (diff) | |
| download | ffmpeg-ede4ec1f8f5fd94dccd880199419a1f1b8137ab6.tar.gz | |
x86/aacpsdsp: optimize add_squares loop
Signed-off-by: James Almer <jamrial@gmail.com>
Diffstat (limited to 'libavcodec/x86')
| -rw-r--r-- | libavcodec/x86/aacpsdsp.asm | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/libavcodec/x86/aacpsdsp.asm b/libavcodec/x86/aacpsdsp.asm index d7d7a9a570..e92cbbce08 100644 --- a/libavcodec/x86/aacpsdsp.asm +++ b/libavcodec/x86/aacpsdsp.asm @@ -33,18 +33,22 @@ SECTION .text ;************************************************************************* %macro PS_ADD_SQUARES 1 cglobal ps_add_squares, 3, 3, %1, dst, src, n + shl nd, 3 + add srcq, nq + neg nq + +align 16 .loop: - movaps m0, [srcq] - movaps m1, [srcq+mmsize] + movaps m0, [srcq+nq] + movaps m1, [srcq+nq+mmsize] mulps m0, m0 mulps m1, m1 HADDPS m0, m1, m2 addps m0, [dstq] movaps [dstq], m0 add dstq, mmsize - add srcq, mmsize*2 - sub nd, mmsize/4 - jg .loop + add nq, mmsize*2 + jl .loop REP_RET %endmacro |