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| author | Lynne <dev@lynne.ee> | 2022-05-21 00:50:09 +0200 |
|---|---|---|
| committer | Lynne <dev@lynne.ee> | 2022-05-21 02:11:45 +0200 |
| commit | 0938ff97016884184796c3dd80bc6fcb729e875b (patch) | |
| tree | 419c5a4a41bde0174dfb51728d1f16358f3377bb /libavutil/x86/tx_float.asm | |
| parent | 805e8d1921438e36cb0c6f92fa42a93298df4053 (diff) | |
| download | ffmpeg-0938ff97016884184796c3dd80bc6fcb729e875b.tar.gz | |
x86/tx_float: improve temporary register allocation for loads
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
Diffstat (limited to 'libavutil/x86/tx_float.asm')
| -rw-r--r-- | libavutil/x86/tx_float.asm | 48 |
1 files changed, 24 insertions, 24 deletions
diff --git a/libavutil/x86/tx_float.asm b/libavutil/x86/tx_float.asm index bab44b0947..511d8d6fa3 100644 --- a/libavutil/x86/tx_float.asm +++ b/libavutil/x86/tx_float.asm @@ -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 |