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lavc/aacpsdsp: simplify R-V V stereo interpolate

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Remove some useless vector splat.
This commit is contained in:
Rémi Denis-Courmont 2023-09-29 18:58:55 +03:00
parent 3575ee2ea3
commit 27d74fc1ef
1 changed files with 4 additions and 8 deletions
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12
libavcodec/riscv/aacpsdsp_rvv.S
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@ -238,20 +238,16 @@ func ff_ps_stereo_interpolate_rvv, zve32f
flw ft1, 4(a3) flw ft1, 4(a3)
vfmv.v.f v19, ft3 vfmv.v.f v19, ft3
flw ft2, 8(a3) flw ft2, 8(a3)
vfmv.v.f v20, ft0
flw ft3, 12(a3) flw ft3, 12(a3)
vfmv.v.f v21, ft1
fcvt.s.wu ft4, t0 // (float)(vlenb / sizeof (float)) fcvt.s.wu ft4, t0 // (float)(vlenb / sizeof (float))
vfmv.v.f v22, ft2 vfmacc.vf v16, ft0, v24 // h0 += (i + 1) * h0_step
fmul.s ft0, ft0, ft4 fmul.s ft0, ft0, ft4
vfmv.v.f v23, ft3 vfmacc.vf v17, ft1, v24
fmul.s ft1, ft1, ft4 fmul.s ft1, ft1, ft4
vfmacc.vv v16, v24, v20 // h0 += (i + 1) * h0_step vfmacc.vf v18, ft2, v24
fmul.s ft2, ft2, ft4 fmul.s ft2, ft2, ft4
vfmacc.vv v17, v24, v21 vfmacc.vf v19, ft3, v24
fmul.s ft3, ft3, ft4 fmul.s ft3, ft3, ft4
vfmacc.vv v18, v24, v22
vfmacc.vv v19, v24, v23
1: 1:
vsetvli t0, a4, e32, m1, ta, ma vsetvli t0, a4, e32, m1, ta, ma
vlseg2e32.v v8, (a0) // v8:l_re, v9:l_im vlseg2e32.v v8, (a0) // v8:l_re, v9:l_im