From: "Rémi Denis-Courmont" <remi@remlab.net>
To: ffmpeg-devel@ffmpeg.org
Subject: [FFmpeg-devel] [PATCH 2/5] lavc/aacpsdsp: unroll R-V V stereo interpolate
Date: Fri, 29 Sep 2023 19:26:02 +0300
Message-ID: <20230929162605.80421-2-remi@remlab.net> (raw)
In-Reply-To: <20230929162605.80421-1-remi@remlab.net>
---
libavcodec/riscv/aacpsdsp_rvv.S | 46 ++++++++++++++++-----------------
1 file changed, 23 insertions(+), 23 deletions(-)
diff --git a/libavcodec/riscv/aacpsdsp_rvv.S b/libavcodec/riscv/aacpsdsp_rvv.S
index b85a5cc92c..1a92fed515 100644
--- a/libavcodec/riscv/aacpsdsp_rvv.S
+++ b/libavcodec/riscv/aacpsdsp_rvv.S
@@ -223,7 +223,7 @@ func ff_ps_hybrid_synthesis_deint_rvv, zve32x
endfunc
func ff_ps_stereo_interpolate_rvv, zve32f
- vsetvli t0, zero, e32, m1, ta, ma
+ vsetvli t0, zero, e32, m2, ta, ma
vid.v v24
flw ft0, (a2)
vadd.vi v24, v24, 1 // v24[i] = i + 1
@@ -232,43 +232,43 @@ func ff_ps_stereo_interpolate_rvv, zve32f
flw ft2, 8(a2)
vfmv.v.f v16, ft0
flw ft3, 12(a2)
- vfmv.v.f v17, ft1
+ vfmv.v.f v18, ft1
flw ft0, (a3)
- vfmv.v.f v18, ft2
+ vfmv.v.f v20, ft2
flw ft1, 4(a3)
- vfmv.v.f v19, ft3
+ vfmv.v.f v22, ft3
flw ft2, 8(a3)
flw ft3, 12(a3)
fcvt.s.wu ft4, t0 // (float)(vlenb / sizeof (float))
vfmacc.vf v16, ft0, v24 // h0 += (i + 1) * h0_step
fmul.s ft0, ft0, ft4
- vfmacc.vf v17, ft1, v24
+ vfmacc.vf v18, ft1, v24
fmul.s ft1, ft1, ft4
- vfmacc.vf v18, ft2, v24
+ vfmacc.vf v20, ft2, v24
fmul.s ft2, ft2, ft4
- vfmacc.vf v19, ft3, v24
+ vfmacc.vf v22, ft3, v24
fmul.s ft3, ft3, ft4
1:
- vsetvli t0, a4, e32, m1, ta, ma
- vlseg2e32.v v8, (a0) // v8:l_re, v9:l_im
+ vsetvli t0, a4, e32, m2, ta, ma
+ vlseg2e32.v v0, (a0) // v0:l_re, v2:l_im
sub a4, a4, t0
- vlseg2e32.v v10, (a1) // v10:r_re, v11:r_im
- vfmul.vv v12, v8, v16
- vfmul.vv v13, v9, v16
- vfmul.vv v14, v8, v17
- vfmul.vv v15, v9, v17
- vfmacc.vv v12, v10, v18
- vfmacc.vv v13, v11, v18
- vfmacc.vv v14, v10, v19
- vfmacc.vv v15, v11, v19
- vsseg2e32.v v12, (a0)
+ vlseg2e32.v v4, (a1) // v4:r_re, v6:r_im
+ vfmul.vv v8, v0, v16
+ vfmul.vv v10, v2, v16
+ vfmul.vv v12, v0, v18
+ vfmul.vv v14, v2, v18
+ vfmacc.vv v8, v4, v20
+ vfmacc.vv v10, v6, v20
+ vfmacc.vv v12, v4, v22
+ vfmacc.vv v14, v6, v22
+ vsseg2e32.v v8, (a0)
sh3add a0, t0, a0
- vsseg2e32.v v14, (a1)
+ vsseg2e32.v v12, (a1)
sh3add a1, t0, a1
vfadd.vf v16, v16, ft0 // h0 += (vlenb / sizeof (float)) * h0_step
- vfadd.vf v17, v17, ft1
- vfadd.vf v18, v18, ft2
- vfadd.vf v19, v19, ft3
+ vfadd.vf v18, v18, ft1
+ vfadd.vf v20, v20, ft2
+ vfadd.vf v22, v22, ft3
bnez a4, 1b
ret
--
2.40.1
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next prev parent reply other threads:[~2023-09-29 16:26 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-29 16:26 [FFmpeg-devel] [PATCH 1/5] lavc/aacpsdsp: simplify " Rémi Denis-Courmont
2023-09-29 16:26 ` Rémi Denis-Courmont [this message]
2023-09-29 16:26 ` [FFmpeg-devel] [PATCH 3/5] lavc/aacpsdsp: unroll RISC-V V mul_pair_single Rémi Denis-Courmont
2023-09-29 16:26 ` [FFmpeg-devel] [PATCH 4/5] lavc/aacpsdsp: unroll RISC-V V hybrid_analysis_ileave Rémi Denis-Courmont
2023-09-29 16:26 ` [FFmpeg-devel] [PATCH 5/5] lavc/aacpsdsp: unroll RISC-V V hybrid_synthesis_deint Rémi Denis-Courmont
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