* [PATCH] arm64/sve: Add a comment documenting the binutils needed for SVE asm
@ 2021-08-16 12:50 Mark Brown
2021-08-24 16:17 ` Catalin Marinas
0 siblings, 1 reply; 2+ messages in thread
From: Mark Brown @ 2021-08-16 12:50 UTC (permalink / raw)
To: Catalin Marinas, Will Deacon; +Cc: linux-arm-kernel, Mark Brown
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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^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] arm64/sve: Add a comment documenting the binutils needed for SVE asm
2021-08-16 12:50 [PATCH] arm64/sve: Add a comment documenting the binutils needed for SVE asm Mark Brown
@ 2021-08-24 16:17 ` Catalin Marinas
0 siblings, 0 replies; 2+ messages in thread
From: Catalin Marinas @ 2021-08-24 16:17 UTC (permalink / raw)
To: Mark Brown, Will Deacon; +Cc: linux-arm-kernel
On Mon, 16 Aug 2021 13:50:23 +0100, Mark Brown wrote:
> 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.
Applied to arm64 (for-next/misc), thanks!
[1/1] arm64/sve: Add a comment documenting the binutils needed for SVE asm
https://git.kernel.org/arm64/c/04fa17d1368c
--
Catalin
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2021-08-16 12:50 [PATCH] arm64/sve: Add a comment documenting the binutils needed for SVE asm Mark Brown
2021-08-24 16:17 ` Catalin Marinas
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