diff options
| author | Ronald S. Bultje <rbultje@google.com> | 2011-04-29 11:51:37 -0700 |
|---|---|---|
| committer | Ronald S. Bultje <rbultje@google.com> | 2011-04-29 11:52:09 -0700 |
| commit | 5a23352c030d2b190976ea55a9a759c734bd9eaa (patch) | |
| tree | 2b7f31efe7035493ff80fcf95376ceb99a86b49c /vp8/common/x86/recon_sse2.asm | |
| parent | dfa9e2c5ea4a4282d931e382c327fc2d149ebcf8 (diff) | |
| download | libvpx-5a23352c030d2b190976ea55a9a759c734bd9eaa.tar libvpx-5a23352c030d2b190976ea55a9a759c734bd9eaa.tar.gz libvpx-5a23352c030d2b190976ea55a9a759c734bd9eaa.tar.bz2 libvpx-5a23352c030d2b190976ea55a9a759c734bd9eaa.zip | |
Make hor UV predict ~2x faster (73 vs 132 cycles) using SSSE3.
Change-Id: I658a1df7d825f820573cb2d11ad402f9d2791035
Diffstat (limited to 'vp8/common/x86/recon_sse2.asm')
| -rw-r--r-- | vp8/common/x86/recon_sse2.asm | 59 |
1 files changed, 55 insertions, 4 deletions
diff --git a/vp8/common/x86/recon_sse2.asm b/vp8/common/x86/recon_sse2.asm index 97dc4f686..aaa6a8fb9 100644 --- a/vp8/common/x86/recon_sse2.asm +++ b/vp8/common/x86/recon_sse2.asm @@ -578,23 +578,35 @@ sym(vp8_intra_pred_uv_ve_mmx): ; unsigned char *src, ; int src_stride, ; ) -global sym(vp8_intra_pred_uv_ho_mmx2) -sym(vp8_intra_pred_uv_ho_mmx2): +%macro vp8_intra_pred_uv_ho 1 +global sym(vp8_intra_pred_uv_ho_%1) +sym(vp8_intra_pred_uv_ho_%1): push rbp mov rbp, rsp SHADOW_ARGS_TO_STACK 4 push rsi push rdi +%ifidn %1, ssse3 + push rbx +%endif ; end prolog ; read from left and write out +%ifidn %1, mmx2 mov edx, 4 +%endif mov rsi, arg(2) ;src; movsxd rax, dword ptr arg(3) ;src_stride; mov rdi, arg(0) ;dst; movsxd rcx, dword ptr arg(1) ;dst_stride +%ifidn %1, ssse3 + lea rbx, [rax*3] + lea rdx, [rcx*3] + movdqa xmm2, [GLOBAL(dc_00001111)] +%endif dec rsi -vp8_intra_pred_uv_ho_mmx2_loop: +%ifidn %1, mmx2 +vp8_intra_pred_uv_ho_%1_loop: movd mm0, [rsi] movd mm1, [rsi+rax] punpcklbw mm0, mm0 @@ -606,14 +618,49 @@ vp8_intra_pred_uv_ho_mmx2_loop: lea rsi, [rsi+rax*2] lea rdi, [rdi+rcx*2] dec edx - jnz vp8_intra_pred_uv_ho_mmx2_loop + jnz vp8_intra_pred_uv_ho_%1_loop +%else + movd xmm0, [rsi] + movd xmm3, [rsi+rax] + movd xmm1, [rsi+rax*2] + movd xmm4, [rsi+rbx] + punpcklbw xmm0, xmm3 + punpcklbw xmm1, xmm4 + pshufb xmm0, xmm2 + pshufb xmm1, xmm2 + movq [rdi ], xmm0 + movhps [rdi+rcx], xmm0 + movq [rdi+rcx*2], xmm1 + movhps [rdi+rdx], xmm1 + lea rsi, [rsi+rax*4] + lea rdi, [rdi+rcx*4] + movd xmm0, [rsi] + movd xmm3, [rsi+rax] + movd xmm1, [rsi+rax*2] + movd xmm4, [rsi+rbx] + punpcklbw xmm0, xmm3 + punpcklbw xmm1, xmm4 + pshufb xmm0, xmm2 + pshufb xmm1, xmm2 + movq [rdi ], xmm0 + movhps [rdi+rcx], xmm0 + movq [rdi+rcx*2], xmm1 + movhps [rdi+rdx], xmm1 +%endif ; begin epilog +%ifidn %1, ssse3 + pop rbx +%endif pop rdi pop rsi UNSHADOW_ARGS pop rbp ret +%endmacro + +vp8_intra_pred_uv_ho mmx2 +vp8_intra_pred_uv_ho ssse3 SECTION_RODATA dc_128: @@ -623,3 +670,7 @@ dc_4: align 16 dc_1024: times 8 dw 0x400 +align 16 +dc_00001111: + times 8 db 0 + times 8 db 1 |