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Add macros to x86util.asm .

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Improved version of VBROADCASTSS that works like the avx2 instruction.
Emulation of vpbroadcastd.
Horizontal sum HSUMPS that places the result in all elements.
Emulation of blendvps and pblendvb.

Signed-off-by: Ivan Kalvachev <ikalvachev@gmail.com>
This commit is contained in:
Ivan Kalvachev 2017-08-05 20:18:50 +03:00 committed by Rostislav Pehlivanov
parent cadab5a2a7
commit 30ae07d7ef
1 changed files with 98 additions and 8 deletions
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100
libavutil/x86/x86util.asm
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@ -832,15 +832,26 @@
pmaxsd %1, %2
%endmacro
%macro VBROADCASTSS 2 ; dst xmm/ymm, src m32
%if cpuflag(avx)
%macro VBROADCASTSS 2 ; dst xmm/ymm, src m32/xmm
%if cpuflag(avx2)
vbroadcastss %1, %2
%else ; sse
%ifnidn %1, %2
movss %1, %2
%elif cpuflag(avx)
%ifnum sizeof%2 ; avx1 register
shufps xmm%1, xmm%2, xmm%2, q0000
%if sizeof%1 >= 32 ; mmsize>=32
vinsertf128 %1, %1, xmm%1, 1
%endif
%else ; avx1 memory
vbroadcastss %1, %2
%endif
%else
%ifnum sizeof%2 ; sse register
shufps %1, %2, %2, q0000
%else ; sse memory
movss %1, %2
shufps %1, %1, 0
%endif
%endif
%endmacro
%macro VBROADCASTSD 2 ; dst xmm/ymm, src m64
@ -854,6 +865,21 @@
%endif
%endmacro
%macro VPBROADCASTD 2 ; dst xmm/ymm, src m32/xmm
%if cpuflag(avx2)
vpbroadcastd %1, %2
%elif cpuflag(avx) && sizeof%1 >= 32
%error vpbroadcastd not possible with ymm on avx1. try vbroadcastss
%else
%ifnum sizeof%2 ; sse2 register
pshufd %1, %2, q0000
%else ; sse memory
movd %1, %2
pshufd %1, %1, 0
%endif
%endif
%endmacro
%macro SHUFFLE_MASK_W 8
%rep 8
%if %1>=0x80
@ -918,3 +944,67 @@
movhlps %1, %2 ; may cause an int/float domain transition and has a dependency on dst
%endif
%endmacro
; Horizontal Sum of Packed Single precision floats
; The resulting sum is in all elements.
%macro HSUMPS 2 ; dst/src, tmp
%if cpuflag(avx)
%if sizeof%1>=32 ; avx
vperm2f128 %2, %1, %1, (0)*16+(1)
addps %1, %2
%endif
shufps %2, %1, %1, q1032
addps %1, %2
shufps %2, %1, %1, q0321
addps %1, %2
%else ; this form is a bit faster than the short avx-like emulation.
movaps %2, %1
shufps %1, %1, q1032
addps %1, %2
movaps %2, %1
shufps %1, %1, q0321
addps %1, %2
; all %1 members should be equal for as long as float a+b==b+a
%endif
%endmacro
; Emulate blendvps if not available
;
; src_b is destroyed when using emulation with logical operands
; SSE41 blendv instruction is hard coded to use xmm0 as mask
%macro BLENDVPS 3 ; dst/src_a, src_b, mask
%if cpuflag(avx)
blendvps %1, %1, %2, %3
%elif cpuflag(sse4)
%ifnidn %3,xmm0
%error sse41 blendvps uses xmm0 as default 3d operand, you used %3
%endif
blendvps %1, %2, %3
%else
xorps %2, %1
andps %2, %3
xorps %1, %2
%endif
%endmacro
; Emulate pblendvb if not available
;
; src_b is destroyed when using emulation with logical operands
; SSE41 blendv instruction is hard coded to use xmm0 as mask
%macro PBLENDVB 3 ; dst/src_a, src_b, mask
%if cpuflag(avx)
%if cpuflag(avx) && notcpuflag(avx2) && sizeof%1 >= 32
%error pblendb not possible with ymm on avx1, try blendvps.
%endif
pblendvb %1, %1, %2, %3
%elif cpuflag(sse4)
%ifnidn %3,xmm0
%error sse41 pblendvd uses xmm0 as default 3d operand, you used %3
%endif
pblendvb %1, %2, %3
%else
pxor %2, %1
pand %2, %3
pxor %1, %2
%endif
%endmacro