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ffmpeg.wasm-core
Commit e9bb77fb authored by Diego Biurrun's avatar Diego Biurrun
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x86: h264: Simplify DEQUANT macro with cpuflags

parent 307eb1a8
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Showing with 28 additions and 24 deletions
libavcodec/x86/h264_idct.asm
View file @ e9bb77fb
......@@ -958,7 +958,30 @@ cglobal h264_idct_add8_8, 5, 7 + ARCH_X86_64, 8
SWAP %1, %4, %3
%endmacro
%macro DEQUANT_MMX 3
%macro DEQUANT 1-3
%if cpuflag(sse2)
movd xmm4, t3d
movq xmm5, [pw_1]
pshufd xmm4, xmm4, 0
movq2dq xmm0, m0
movq2dq xmm1, m1
movq2dq xmm2, m2
movq2dq xmm3, m3
punpcklwd xmm0, xmm5
punpcklwd xmm1, xmm5
punpcklwd xmm2, xmm5
punpcklwd xmm3, xmm5
pmaddwd xmm0, xmm4
pmaddwd xmm1, xmm4
pmaddwd xmm2, xmm4
pmaddwd xmm3, xmm4
psrad xmm0, %1
psrad xmm1, %1
psrad xmm2, %1
psrad xmm3, %1
packssdw xmm0, xmm1
packssdw xmm2, xmm3
%else
mova m7, [pw_1]
mova m4, %1
punpcklwd %1, m7
......@@ -978,6 +1001,7 @@ cglobal h264_idct_add8_8, 5, 7 + ARCH_X86_64, 8
psrad m5, %3
packssdw %1, m4
packssdw %2, m5
%endif
%endmacro
%macro STORE_WORDS 5-9
......@@ -1016,35 +1040,15 @@ cglobal h264_idct_add8_8, 5, 7 + ARCH_X86_64, 8
%macro DEQUANT_STORE 1
%if cpuflag(sse2)
movd xmm4, t3d
movq xmm5, [pw_1]
pshufd xmm4, xmm4, 0
movq2dq xmm0, m0
movq2dq xmm1, m1
movq2dq xmm2, m2
movq2dq xmm3, m3
punpcklwd xmm0, xmm5
punpcklwd xmm1, xmm5
punpcklwd xmm2, xmm5
punpcklwd xmm3, xmm5
pmaddwd xmm0, xmm4
pmaddwd xmm1, xmm4
pmaddwd xmm2, xmm4
pmaddwd xmm3, xmm4
psrad xmm0, %1
psrad xmm1, %1
psrad xmm2, %1
psrad xmm3, %1
packssdw xmm0, xmm1
packssdw xmm2, xmm3
DEQUANT %1
STORE_WORDS xmm0, 0, 1, 4, 5, 2, 3, 6, 7
STORE_WORDS xmm2, 8, 9, 12, 13, 10, 11, 14, 15
%else
DEQUANT_MMX m0, m1, %1
DEQUANT m0, m1, %1
STORE_WORDS m0, 0, 1, 4, 5
STORE_WORDS m1, 2, 3, 6, 7
DEQUANT_MMX m2, m3, %1
DEQUANT m2, m3, %1
STORE_WORDS m2, 8, 9, 12, 13
STORE_WORDS m3, 10, 11, 14, 15
%endif
......
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