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Code Issues Releases Activity

x86/tx_float: improve temporary register allocation for loads

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On Zen 3:

Before:
1484285 decicycles in           av_tx (fft),  131072 runs,      0 skips

After:
1415243 decicycles in           av_tx (fft),  131072 runs,      0 skips
This commit is contained in:
Lynne 2022-05-21 00:50:09 +02:00
parent 805e8d1921
commit 0938ff9701
No known key found for this signature in database
GPG Key ID: A2FEA5F03F034464
1 changed files with 24 additions and 24 deletions
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48
libavutil/x86/tx_float.asm
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@ -820,10 +820,10 @@ cglobal fft32_ %+ %2, 4, 4, 16, ctx, out, in, tmp
movaps m7, [inq + 7*mmsize]
%else
mov ctxq, [ctxq + AVTXContext.map]
LOAD64_LUT m4, inq, ctxq, (mmsize/2)*4, tmpq, m8, m9
LOAD64_LUT m5, inq, ctxq, (mmsize/2)*5, tmpq, m10, m11
LOAD64_LUT m6, inq, ctxq, (mmsize/2)*6, tmpq, m12, m13
LOAD64_LUT m7, inq, ctxq, (mmsize/2)*7, tmpq, m14, m15
LOAD64_LUT m4, inq, ctxq, (mmsize/2)*4, tmpq, m8, m12
LOAD64_LUT m5, inq, ctxq, (mmsize/2)*5, tmpq, m9, m13
LOAD64_LUT m6, inq, ctxq, (mmsize/2)*6, tmpq, m10, m14
LOAD64_LUT m7, inq, ctxq, (mmsize/2)*7, tmpq, m11, m15
%endif
FFT8 m4, m5, m6, m7, m8, m9
@ -834,10 +834,10 @@ cglobal fft32_ %+ %2, 4, 4, 16, ctx, out, in, tmp
movaps m2, [inq + 2*mmsize]
movaps m3, [inq + 3*mmsize]
%else
LOAD64_LUT m0, inq, ctxq, (mmsize/2)*0, tmpq, m8, m9
LOAD64_LUT m1, inq, ctxq, (mmsize/2)*1, tmpq, m10, m11
LOAD64_LUT m2, inq, ctxq, (mmsize/2)*2, tmpq, m12, m13
LOAD64_LUT m3, inq, ctxq, (mmsize/2)*3, tmpq, m14, m15
LOAD64_LUT m0, inq, ctxq, (mmsize/2)*0, tmpq, m8, m12
LOAD64_LUT m1, inq, ctxq, (mmsize/2)*1, tmpq, m9, m13
LOAD64_LUT m2, inq, ctxq, (mmsize/2)*2, tmpq, m10, m14
LOAD64_LUT m3, inq, ctxq, (mmsize/2)*3, tmpq, m11, m15
%endif
movaps m8, [tab_32_float]
@ -939,10 +939,10 @@ ALIGN 16
movaps m6, [inq + 6*mmsize]
movaps m7, [inq + 7*mmsize]
%else
LOAD64_LUT m4, inq, lutq, (mmsize/2)*4, tmpq, m8, m9
LOAD64_LUT m5, inq, lutq, (mmsize/2)*5, tmpq, m10, m11
LOAD64_LUT m6, inq, lutq, (mmsize/2)*6, tmpq, m12, m13
LOAD64_LUT m7, inq, lutq, (mmsize/2)*7, tmpq, m14, m15
LOAD64_LUT m4, inq, lutq, (mmsize/2)*4, tmpq, m8, m12
LOAD64_LUT m5, inq, lutq, (mmsize/2)*5, tmpq, m9, m13
LOAD64_LUT m6, inq, lutq, (mmsize/2)*6, tmpq, m10, m14
LOAD64_LUT m7, inq, lutq, (mmsize/2)*7, tmpq, m11, m15
%endif
FFT8 m4, m5, m6, m7, m8, m9
@ -953,10 +953,10 @@ ALIGN 16
movaps m2, [inq + 2*mmsize]
movaps m3, [inq + 3*mmsize]
%else
LOAD64_LUT m0, inq, lutq, (mmsize/2)*0, tmpq, m8, m9
LOAD64_LUT m1, inq, lutq, (mmsize/2)*1, tmpq, m10, m11
LOAD64_LUT m2, inq, lutq, (mmsize/2)*2, tmpq, m12, m13
LOAD64_LUT m3, inq, lutq, (mmsize/2)*3, tmpq, m14, m15
LOAD64_LUT m0, inq, lutq, (mmsize/2)*0, tmpq, m8, m12
LOAD64_LUT m1, inq, lutq, (mmsize/2)*1, tmpq, m9, m13
LOAD64_LUT m2, inq, lutq, (mmsize/2)*2, tmpq, m10, m14
LOAD64_LUT m3, inq, lutq, (mmsize/2)*3, tmpq, m11, m15
%endif
movaps m8, [tab_32_float]
@ -1013,10 +1013,10 @@ ALIGN 16
movaps tx1_o0, [inq + 2*mmsize]
movaps tx1_o1, [inq + 3*mmsize]
%else
LOAD64_LUT tx1_e0, inq, lutq, (mmsize/2)*0, tmpq, tw_e, tw_o
LOAD64_LUT tx1_e1, inq, lutq, (mmsize/2)*1, tmpq, tmp1, tmp2
LOAD64_LUT tx1_o0, inq, lutq, (mmsize/2)*2, tmpq, tw_e, tw_o
LOAD64_LUT tx1_o1, inq, lutq, (mmsize/2)*3, tmpq, tmp1, tmp2
LOAD64_LUT tx1_e0, inq, lutq, (mmsize/2)*0, tmpq, tw_e, tmp1
LOAD64_LUT tx1_e1, inq, lutq, (mmsize/2)*1, tmpq, tw_o, tmp2
LOAD64_LUT tx1_o0, inq, lutq, (mmsize/2)*2, tmpq, tw_e, tmp1
LOAD64_LUT tx1_o1, inq, lutq, (mmsize/2)*3, tmpq, tw_o, tmp2
%endif
FFT16 tx1_e0, tx1_e1, tx1_o0, tx1_o1, tw_e, tw_o, tx2_o0, tx2_o1
@ -1027,10 +1027,10 @@ ALIGN 16
movaps tx2_o0, [inq + 6*mmsize]
movaps tx2_o1, [inq + 7*mmsize]
%else
LOAD64_LUT tx2_e0, inq, lutq, (mmsize/2)*4, tmpq, tmp1, tmp2
LOAD64_LUT tx2_e1, inq, lutq, (mmsize/2)*5, tmpq, tw_e, tw_o
LOAD64_LUT tx2_o0, inq, lutq, (mmsize/2)*6, tmpq, tmp1, tmp2
LOAD64_LUT tx2_o1, inq, lutq, (mmsize/2)*7, tmpq, tw_e, tw_o
LOAD64_LUT tx2_e0, inq, lutq, (mmsize/2)*4, tmpq, tw_e, tmp1
LOAD64_LUT tx2_e1, inq, lutq, (mmsize/2)*5, tmpq, tw_o, tmp2
LOAD64_LUT tx2_o0, inq, lutq, (mmsize/2)*6, tmpq, tw_e, tmp1
LOAD64_LUT tx2_o1, inq, lutq, (mmsize/2)*7, tmpq, tw_o, tmp2
%endif
FFT16 tx2_e0, tx2_e1, tx2_o0, tx2_o1, tmp1, tmp2, tw_e, tw_o