At 2015-02-24 00:24:27,[email protected] wrote: ># HG changeset patch ># User David T Yuen <[email protected]> ># Date 1424708564 28800 ># Node ID 60db6870a07261ee2acf5556ddf34dae051fa5c9 ># Parent c2eb94770f9b98d5bc5cf0e96d635e26c01ca5c6 >asm: intrapred dc4 sse2 high bit > >This replaces c code for systems using ssse3 to sse2 processors >The code is backported from intrapred dc4 sse4 high bit > >./test/TestBench --testbench intrapred >Testing only harnesses that match name <intrapred> >Using random seed 54EB5220 16bpp >Testing primitives: SSE2 >Testing primitives: SSE3 > >Test performance improvement with full optimizations >== intrapred primitives == >intra_dc_4x4[f=0] 1.22x 215.61 262.36 >intra_dc_4x4[f=1] 1.06x 452.61 477.60 > >diff -r c2eb94770f9b -r 60db6870a072 source/common/x86/asm-primitives.cpp >--- a/source/common/x86/asm-primitives.cpp Mon Feb 23 07:46:15 2015 -0800 >+++ b/source/common/x86/asm-primitives.cpp Mon Feb 23 08:22:44 2015 -0800 >@@ -862,6 +862,7 @@ > ALL_LUMA_TU_S(ssd_s, pixel_ssd_s_, sse2); > ALL_LUMA_TU_S(calcresidual, getResidual, sse2); > ALL_LUMA_TU_S(transpose, transpose, sse2); >+ p.cu[BLOCK_4x4].intra_pred[DC_IDX] = x265_intra_pred_dc4_sse2; > > p.cu[BLOCK_4x4].sse_ss = x265_pixel_ssd_ss_4x4_mmx2; > ALL_LUMA_CU(sse_ss, pixel_ssd_ss, sse2); >diff -r c2eb94770f9b -r 60db6870a072 source/common/x86/intrapred16.asm >--- a/source/common/x86/intrapred16.asm Mon Feb 23 07:46:15 2015 -0800 >+++ b/source/common/x86/intrapred16.asm Mon Feb 23 08:22:44 2015 -0800 >@@ -65,6 +65,8 @@ > pw_planar16_1: dw 15, 15, 15, 15, 15, 15, 15, 15 > pd_planar32_1: dd 31, 31, 31, 31 > >+INT4: dw 4, 0, 0, 0, 0, 0, 0, 0 rename > const planar32_table > %assign x 31 > %rep 8 >@@ -99,6 +101,73 @@ > ;----------------------------------------------------------------------------------- > ; void intra_pred_dc(pixel* dst, intptr_t dstStride, pixel* above, int, int > filter) > ;----------------------------------------------------------------------------------- >+INIT_XMM sse2 >+cglobal intra_pred_dc4, 5,6,2 >+ lea r3, [r2 + 18] >+ add r2, 2 >+ >+ movh m0, [r3] ; sumAbove >+ movh m1, [r2] ; sumLeft >+ >+ paddw m0, m1 >+ pshufd m1, m0, 0xFD >+ paddw m0, m1 >+ pshuflw m1, m0, 1 >+ paddw m0, m1 >+ >+ test r4d, r4d >+ >+ paddw m0, [INT4] >+ psraw m0, 3 >+ movd r4d, m0 ; r4d = dc_val >+ movzx r4d, r4w the input less than 12-bits, so the dynamic for 8 of 12-bits are 15-bits, we didn't need zero-extend here >+ pshuflw m0, m0, 0 ; m0 = word [dc_val ...] >+ >+ ; store DC 4x4 >+ movq [r0], m0 >+ movq [r0 + r1 * 2], m0 >+ movq [r0 + r1 * 4], m0 >+ lea r5, [r0 + r1 * 4] >+ movq [r5 + r1 * 2], m0 >+ >+ ; do DC filter >+ jz .end >+ lea r5d, [r4d * 2 + 2] ; r5d = DC * 2 + 2 >+ add r4d, r5d ; r4d = DC * 3 + 2 >+ movd m0, r4d >+ pshuflw m0, m0, 0 ; m0 = pixDCx3 >+ >+ ; filter top >+ movu m1, [r2] you use low 8-bytes only >+ paddw m1, m0 >+ psraw m1, 2 >+ movq [r0], m1 ; overwrite top-left pixel, we >will update it later >+ >+ ; filter top-left >+ movzx r4d, word [r3] >+ add r5d, r4d >+ movzx r4d, word [r2] >+ add r4d, r5d >+ shr r4d, 2 >+ mov [r0], r4w >+ >+ ; filter left >+ lea r0, [r0 + r1 * 2] >+ movu m1, [r3 + 2] >+ paddw m1, m0 >+ psraw m1, 2 >+ movd r3d, m1 >+ mov [r0], r3w >+ shr r3d, 16 >+ mov [r0 + r1 * 2], r3w >+ pextrw r3d, m1, 2 >+ mov [r0 + r1 * 4], r3w >+.end: >+ RET >+ >+;----------------------------------------------------------------------------------- >+; void intra_pred_dc(pixel* dst, intptr_t dstStride, pixel* above, int, int >filter) >+;----------------------------------------------------------------------------------- > INIT_XMM sse4 > cglobal intra_pred_dc4, 5,6,2 > lea r3, [r2 + 18] >_______________________________________________ >x265-devel mailing list >[email protected] >https://mailman.videolan.org/listinfo/x265-devel
_______________________________________________ x265-devel mailing list [email protected] https://mailman.videolan.org/listinfo/x265-devel
