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| author | Jian Zhou <zhoujian@google.com> | 2015-12-09 18:12:52 -0800 |
|---|---|---|
| committer | Jian Zhou <zhoujian@google.com> | 2015-12-10 10:09:58 -0800 |
| commit | c90a8a1a43929d160567d37eab8df4b63f501d50 (patch) | |
| tree | 8a35751a3070bf7b14513dcd5cfd15c702072dee /vpx_dsp/x86/intrapred_sse2.asm | |
| parent | 420b9f5bd3ef1ed19b354f16ced9196c6453e7fe (diff) | |
| download | libvpx-c90a8a1a43929d160567d37eab8df4b63f501d50.tar libvpx-c90a8a1a43929d160567d37eab8df4b63f501d50.tar.gz libvpx-c90a8a1a43929d160567d37eab8df4b63f501d50.tar.bz2 libvpx-c90a8a1a43929d160567d37eab8df4b63f501d50.zip | |
SSE2 based h_predictor_32x32
Relocate the function from SSSE3 to SSE2, Unroll loop from 16 to 8,
and reduce mem access to left.
Speed up by single digit in ./test_intra_pred_speed on big core
machines.
Change-Id: I2b7fc95ffc0c42145be2baca4dc77116dff1c960
Diffstat (limited to 'vpx_dsp/x86/intrapred_sse2.asm')
| -rw-r--r-- | vpx_dsp/x86/intrapred_sse2.asm | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/vpx_dsp/x86/intrapred_sse2.asm b/vpx_dsp/x86/intrapred_sse2.asm index edbf05e33..4aca3ec16 100644 --- a/vpx_dsp/x86/intrapred_sse2.asm +++ b/vpx_dsp/x86/intrapred_sse2.asm @@ -582,6 +582,34 @@ cglobal h_predictor_16x16, 2, 5, 3, dst, stride, line, left REP_RET INIT_XMM sse2 +cglobal h_predictor_32x32, 2, 5, 3, dst, stride, line, left + movifnidn leftq, leftmp + mov lineq, -8 + DEFINE_ARGS dst, stride, line, left, stride3 + lea stride3q, [strideq*3] +.loop: + movd m0, [leftq] + punpcklbw m0, m0 + punpcklbw m0, m0 ; l1 to l4 each repeated 4 times + pshufd m1, m0, 0x0 ; l1 repeated 16 times + pshufd m2, m0, 0x55 ; l2 repeated 16 times + mova [dstq ], m1 + mova [dstq+16 ], m1 + mova [dstq+strideq ], m2 + mova [dstq+strideq+16 ], m2 + pshufd m1, m0, 0xaa + pshufd m2, m0, 0xff + mova [dstq+strideq*2 ], m1 + mova [dstq+strideq*2+16], m1 + mova [dstq+stride3q ], m2 + mova [dstq+stride3q+16 ], m2 + inc lineq + lea leftq, [leftq+4 ] + lea dstq, [dstq+strideq*4] + jnz .loop + REP_RET + +INIT_XMM sse2 cglobal tm_predictor_4x4, 4, 4, 5, dst, stride, above, left pxor m1, m1 movq m0, [aboveq-1]; [63:0] tl t1 t2 t3 t4 x x x |