[FFmpeg-cvslog] lavu/riscv: allow any number of extensions

[Rémi Denis-Courmont]

ffmpeg | branch: master | Rémi Denis-Courmont <remi at remlab.net> | Mon Jul 22 20:01:17 2024 +0300| [1e7ab200ee2c6d1992ba9a68e6467ae6b7348dec] | committer: Rémi Denis-Courmont

lavu/riscv: allow any number of extensions

This reworks the func/endfunc macros to support any number of ISA extension
as parameters.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=1e7ab200ee2c6d1992ba9a68e6467ae6b7348dec
---

 libavutil/riscv/asm.S | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/libavutil/riscv/asm.S b/libavutil/riscv/asm.S
index 2cf4f7b7ab..78e9defbd4 100644
--- a/libavutil/riscv/asm.S
+++ b/libavutil/riscv/asm.S
@@ -36,17 +36,18 @@
 #define HWD
 #endif
 
-        .macro func sym, ext1=, ext2=
+        .macro  archadd ext=, more:vararg
+            .ifnb   \ext
+                .option arch, +\ext
+                archadd \more
+            .endif
+        .endm
+
+        .macro func sym, exts:vararg
             .text
             .align 2
-
             .option push
-            .ifnb \ext1
-            .option arch, +\ext1
-            .ifnb \ext2
-            .option arch, +\ext2
-            .endif
-            .endif
+            archadd \exts
 
             .global \sym
             .hidden \sym