[PATCH] arm64/sve: Add a comment documenting the binutils needed for SVE asm
From: Mark Brown <broonie@kernel.org>
Date: 2021-08-16 12:53:01
Subsystem:
arm64 port (aarch64 architecture), the rest · Maintainers:
Catalin Marinas, Will Deacon, Linus Torvalds
At some point it would be nice to avoid the need to manually encode SVE instructions, add a note of the binutils version required to save looking it up. Signed-off-by: Mark Brown <broonie@kernel.org> --- arch/arm64/include/asm/fpsimdmacros.h | 1 + 1 file changed, 1 insertion(+)
diff --git a/arch/arm64/include/asm/fpsimdmacros.h b/arch/arm64/include/asm/fpsimdmacros.h
index 059204477ce6..00a2c0b69c2b 100644
--- a/arch/arm64/include/asm/fpsimdmacros.h
+++ b/arch/arm64/include/asm/fpsimdmacros.h@@ -94,6 +94,7 @@ .endm /* SVE instruction encodings for non-SVE-capable assemblers */ +/* (pre binutils 2.28, all kernel capable clang versions support SVE) */ /* STR (vector): STR Z\nz, [X\nxbase, #\offset, MUL VL] */ .macro _sve_str_v nz, nxbase, offset=0
--
2.20.1
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