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arm64/sve: Add a comment documenting the binutils needed for SVE asm

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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>
Link: https://lore.kernel.org/r/20210816125024.8112-1-broonie@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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Mark Brown 2021-08-16 13:50:23 +01:00 committed by Catalin Marinas
parent 38ee3c5e36
commit 04fa17d136
1 changed files with 1 additions and 0 deletions
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arch/arm64/include/asm/fpsimdmacros.h
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@ -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