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lavc/aacpsdsp: unroll RISC-V V add_squares

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This slightly improves performance with the Device Under Test.
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Rémi Denis-Courmont
2023-07-15 23:30:59 +03:00
parent be7ac511a6
commit 2eb55157aa
1 changed files with 2 additions and 2 deletions
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4
libavcodec/riscv/aacpsdsp_rvv.S
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@@ -22,13 +22,13 @@
func ff_ps_add_squares_rvv, zve32f func ff_ps_add_squares_rvv, zve32f
1: 1:
vsetvli t0, a2, e32, m1, ta, ma vsetvli t0, a2, e32, m4, ta, ma
vlseg2e32.v v24, (a1) vlseg2e32.v v24, (a1)
sub a2, a2, t0 sub a2, a2, t0
vle32.v v16, (a0) vle32.v v16, (a0)
sh3add a1, t0, a1 sh3add a1, t0, a1
vfmacc.vv v16, v24, v24 vfmacc.vv v16, v24, v24
vfmacc.vv v16, v25, v25 vfmacc.vv v16, v28, v28
vse32.v v16, (a0) vse32.v v16, (a0)
sh2add a0, t0, a0 sh2add a0, t0, a0
bnez a2, 1b bnez a2, 1b