ffmpeg | branch: master | Rémi Denis-Courmont <r...@remlab.net> | Mon Sep 26
17:52:27 2022 +0300| [39357cad37e865b723c7a97adc27d4a6b4388008] | committer:
Lynne
lavu/riscv: fallback macros for SH{1, 2, 3}ADD
Those mnemonics require the very latest binutils release at the time of
writing. These macros provide seamless backward compatibility.
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=39357cad37e865b723c7a97adc27d4a6b4388008
---
libavutil/riscv/asm.S | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/libavutil/riscv/asm.S b/libavutil/riscv/asm.S
index dbd97f40a4..de5e1ad0a6 100644
--- a/libavutil/riscv/asm.S
+++ b/libavutil/riscv/asm.S
@@ -75,3 +75,22 @@
.purgem endconst
.endm
.endm
+
+#if !defined (__riscv_zba)
+ /* SH{1,2,3}ADD definitions for pre-Zba assemblers */
+ .macro shnadd n, rd, rs1, rs2
+ .insn r OP, 2 * \n, 16, \rd, \rs1, \rs2
+ .endm
+
+ .macro sh1add rd, rs1, rs2
+ shnadd 1, \rd, \rs1, \rs2
+ .endm
+
+ .macro sh2add rd, rs1, rs2
+ shnadd 2, \rd, \rs1, \rs2
+ .endm
+
+ .macro sh3add rd, rs1, rs2
+ shnadd 3, \rd, \rs1, \rs2
+ .endm
+#endif
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