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| author | Jian Zhou <zhoujian@google.com> | 2015-11-30 17:46:40 -0800 |
|---|---|---|
| committer | Jian Zhou <zhoujian@google.com> | 2015-11-30 17:46:40 -0800 |
| commit | c7fae5d893dbced3f4c512ae9a91404c8d29f9d2 (patch) | |
| tree | 2d9a2eb69480e51f78da7a1c57a79e1f9be90f1a | |
| parent | 610b413d7b9c7b9633ce6eb79e3daa7275542a40 (diff) | |
| download | libvpx-c7fae5d893dbced3f4c512ae9a91404c8d29f9d2.tar libvpx-c7fae5d893dbced3f4c512ae9a91404c8d29f9d2.tar.gz libvpx-c7fae5d893dbced3f4c512ae9a91404c8d29f9d2.tar.bz2 libvpx-c7fae5d893dbced3f4c512ae9a91404c8d29f9d2.zip | |
Speed up tm_predictor_16x16
Reduce mem access to left. Speed up by 10% in ./test_intra_pred_speed
with the same instruction size.
Change-Id: Ia33689d62476972cc82ebb06b50415aeccc95d15
| -rw-r--r-- | vpx_dsp/x86/intrapred_sse2.asm | 55 |
1 files changed, 28 insertions, 27 deletions
diff --git a/vpx_dsp/x86/intrapred_sse2.asm b/vpx_dsp/x86/intrapred_sse2.asm index 62c2d2974..a8c1bc614 100644 --- a/vpx_dsp/x86/intrapred_sse2.asm +++ b/vpx_dsp/x86/intrapred_sse2.asm @@ -575,39 +575,40 @@ cglobal tm_predictor_8x8, 4, 4, 5, dst, stride, above, left REP_RET INIT_XMM sse2 -cglobal tm_predictor_16x16, 4, 4, 7, dst, stride, above, left +cglobal tm_predictor_16x16, 4, 5, 8, dst, stride, above, left pxor m1, m1 - movd m2, [aboveq-1] - mova m0, [aboveq] - punpcklbw m2, m1 + mova m2, [aboveq-16]; + mova m0, [aboveq] ; t1 t2 ... t16 [byte] + punpckhbw m2, m1 ; [127:112] tl [word] punpckhbw m4, m0, m1 - punpcklbw m0, m1 - pshuflw m2, m2, 0x0 - DEFINE_ARGS dst, stride, line, left + punpcklbw m0, m1 ; m0:m4 t1 t2 ... t16 [word] + DEFINE_ARGS dst, stride, line, left, stride8 mov lineq, -8 - punpcklqdq m2, m2 - add leftq, 16 + pshufhw m2, m2, 0xff + mova m3, [leftq] ; l1 l2 ... l16 [byte] + punpckhqdq m2, m2 ; tl repeated 8 times [word] psubw m0, m2 - psubw m4, m2 + psubw m4, m2 ; m0:m4 t1-tl t2-tl ... t16-tl [word] + punpckhbw m5, m3, m1 + punpcklbw m3, m1 ; m3:m5 l1 l2 ... l16 [word] + lea stride8q, [strideq*8] .loop: - movd m2, [leftq+lineq*2] - movd m3, [leftq+lineq*2+1] - punpcklbw m2, m1 - punpcklbw m3, m1 - pshuflw m2, m2, 0x0 - pshuflw m3, m3, 0x0 - punpcklqdq m2, m2 - punpcklqdq m3, m3 - paddw m5, m2, m0 - paddw m6, m3, m0 - paddw m2, m4 - paddw m3, m4 - packuswb m5, m2 - packuswb m6, m3 - mova [dstq ], m5 - mova [dstq+strideq], m6 - lea dstq, [dstq+strideq*2] + pshuflw m6, m3, 0x0 + pshuflw m7, m5, 0x0 + punpcklqdq m6, m6 ; l1 repeated 8 times [word] + punpcklqdq m7, m7 ; l8 repeated 8 times [word] + paddw m1, m6, m0 + paddw m6, m4 ; m1:m6 ti-tl+l1 [i=1,15] [word] + psrldq m5, 2 + packuswb m1, m6 + mova [dstq ], m1 + paddw m1, m7, m0 + paddw m7, m4 ; m1:m7 ti-tl+l8 [i=1,15] [word] + psrldq m3, 2 + packuswb m1, m7 + mova [dstq+stride8q], m1 inc lineq + lea dstq, [dstq+strideq] jnz .loop REP_RET |