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authorsunyuechi <sunyuechi@iscas.ac.cn>2024-05-14 00:59:18 +0800
committerRémi Denis-Courmont <remi@remlab.net>2024-05-15 19:52:25 +0300
commitaa9dbd91cfde09af2372b45680c184d02dc454b2 (patch)
treebcc60f1d2188800e22ab714cb2f90ec2683cc733 /libavcodec/riscv/vp9_intra_rvi.S
parenta3e45063c0b132eff0122258bd12691357cff1c6 (diff)
downloadffmpeg-aa9dbd91cfde09af2372b45680c184d02dc454b2.tar.gz
lavc/vp9dsp: R-V ipred vert
C908: vp9_vert_8x8_8bpp_c: 22.0 vp9_vert_8x8_8bpp_rvi: 15.7 vp9_vert_16x16_8bpp_c: 71.2 vp9_vert_16x16_8bpp_rvi: 39.0 vp9_vert_32x32_8bpp_c: 300.2 vp9_vert_32x32_8bpp_rvi: 135.2 Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>
Diffstat (limited to 'libavcodec/riscv/vp9_intra_rvi.S')
-rw-r--r--libavcodec/riscv/vp9_intra_rvi.S71
1 files changed, 71 insertions, 0 deletions
diff --git a/libavcodec/riscv/vp9_intra_rvi.S b/libavcodec/riscv/vp9_intra_rvi.S
new file mode 100644
index 0000000000..16b6bdb25a
--- /dev/null
+++ b/libavcodec/riscv/vp9_intra_rvi.S
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2024 Institue of Software Chinese Academy of Sciences (ISCAS).
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "libavutil/riscv/asm.S"
+
+#if __riscv_xlen >= 64
+func ff_v_32x32_rvi
+ ld t0, (a3)
+ ld t1, 8(a3)
+ ld t2, 16(a3)
+ ld t3, 24(a3)
+ .rept 16
+ add a7, a0, a1
+ sd t0, (a0)
+ sd t1, 8(a0)
+ sd t2, 16(a0)
+ sd t3, 24(a0)
+ sh1add a0, a1, a0
+ sd t0, (a7)
+ sd t1, 8(a7)
+ sd t2, 16(a7)
+ sd t3, 24(a7)
+ .endr
+
+ ret
+endfunc
+
+func ff_v_16x16_rvi
+ ld t0, (a3)
+ ld t1, 8(a3)
+ .rept 8
+ add a7, a0, a1
+ sd t0, (a0)
+ sd t1, 8(a0)
+ sh1add a0, a1, a0
+ sd t0, (a7)
+ sd t1, 8(a7)
+ .endr
+
+ ret
+endfunc
+
+func ff_v_8x8_rvi
+ ld t0, (a3)
+ .rept 4
+ add a7, a0, a1
+ sd t0, (a0)
+ sh1add a0, a1, a0
+ sd t0, (a7)
+ .endr
+
+ ret
+endfunc
+#endif