diff options
| author | James Almer <jamrial@gmail.com> | 2015-02-12 03:11:37 -0300 |
|---|---|---|
| committer | James Almer <jamrial@gmail.com> | 2015-02-12 13:21:58 -0300 |
| commit | 1679d68dbfae8414e1e805823758c02c17188dd4 (patch) | |
| tree | e3080437c52c83a058105c33700791cefeceb5d0 | |
| parent | 14b44c16142f9863ac0c853e3a79ae3ec3c6cf6e (diff) | |
| download | ffmpeg-1679d68dbfae8414e1e805823758c02c17188dd4.tar.gz | |
x86/hevc_mc: optimize AVX2 mc functions
Before
40766 decicycles in ff_hevc_put_hevc_qpel_h64_8_avx2, 8192 runs, 0 skips
After
37975 decicycles in ff_hevc_put_hevc_qpel_h64_8_avx2, 8192 runs, 0 skips
Reviewed-by: Christophe Gisquet <christophe.gisquet@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
| -rw-r--r-- | libavcodec/x86/hevc_mc.asm | 32 |
1 files changed, 12 insertions, 20 deletions
diff --git a/libavcodec/x86/hevc_mc.asm b/libavcodec/x86/hevc_mc.asm index 027daa8735..9a4c9ca209 100644 --- a/libavcodec/x86/hevc_mc.asm +++ b/libavcodec/x86/hevc_mc.asm @@ -489,14 +489,12 @@ QPEL_TABLE 10, 8, w, avx2 %if %1 == 8 %if cpuflag(avx2) && (%0 == 5) %if %2 > 16 - vextracti128 xm10, m0, 1 - vinserti128 m10, m1, xm10, 0 + vperm2i128 m10, m0, m1, q0301 %endif vinserti128 m0, m0, xm1, 1 mova m1, m10 %if %2 > 16 - vextracti128 xm10, m2, 1 - vinserti128 m10, m3, xm10, 0 + vperm2i128 m10, m2, m3, q0301 %endif vinserti128 m2, m2, xm3, 1 mova m3, m10 @@ -583,26 +581,22 @@ QPEL_TABLE 10, 8, w, avx2 %if %2 == 8 %if cpuflag(avx2) && (%0 == 3) - vextracti128 xm10, m0, 1 - vinserti128 m10, m1, xm10, 0 + vperm2i128 m10, m0, m1, q0301 vinserti128 m0, m0, xm1, 1 - mova m1, m10 + SWAP 1, 10 - vextracti128 xm10, m2, 1 - vinserti128 m10, m3, xm10, 0 + vperm2i128 m10, m2, m3, q0301 vinserti128 m2, m2, xm3, 1 - mova m3, m10 + SWAP 3, 10 - vextracti128 xm10, m4, 1 - vinserti128 m10, m5, xm10, 0 + vperm2i128 m10, m4, m5, q0301 vinserti128 m4, m4, xm5, 1 - mova m5, m10 + SWAP 5, 10 - vextracti128 xm10, m6, 1 - vinserti128 m10, m7, xm10, 0 + vperm2i128 m10, m6, m7, q0301 vinserti128 m6, m6, xm7, 1 - mova m7, m10 + SWAP 7, 10 %endif pmaddubsw m0, m12 ;x1*c1+x2*c2 @@ -889,8 +883,7 @@ cglobal hevc_put_hevc_epel_hv%1_%2, 6, 8, 16 , dst, src, srcstride, height, mx, EPEL_COMPUTE 14, %1, m12, m13, m4, m2, m8, m3 %if cpuflag(avx2) vinserti128 m2, m0, xm4, 1 - vextracti128 xm3, m0, 1 - vinserti128 m3, m4, xm3, 0 + vperm2i128 m3, m0, m4, q0301 PEL_10STORE%1 dstq, m2, m3 %else PEL_10STORE%1 dstq, m0, m4 @@ -1021,8 +1014,7 @@ cglobal hevc_put_hevc_bi_epel_hv%1_%2, 8, 10, 16, dst, dststride, src, srcstride SIMPLE_BILOAD %1, src2q, m8, m3 %if cpuflag(avx2) vinserti128 m1, m8, xm3, 1 - vextracti128 xm8, m8, 1 - vinserti128 m2, m3, xm8, 0 + vperm2i128 m2, m8, m3, q0301 BI_COMPUTE %1, %2, m0, m4, m1, m2, [pw_bi_%2] %else BI_COMPUTE %1, %2, m0, m4, m8, m3, [pw_bi_%2] |