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twx-linux/arch/x86/crypto
Fangrui Song b1bf2f1171 crypto: x86/sha256 - Add parentheses around macros' single arguments
[ Upstream commit 3363c460ef ]

The macros FOUR_ROUNDS_AND_SCHED and DO_4ROUNDS rely on an
unexpected/undocumented behavior of the GNU assembler, which might
change in the future
(https://sourceware.org/bugzilla/show_bug.cgi?id=32073).

    M (1) (2) // 1 arg !? Future: 2 args
    M 1 + 2   // 1 arg !? Future: 3 args

    M 1 2     // 2 args

Add parentheses around the single arguments to support future GNU
assembler and LLVM integrated assembler (when the IsOperator hack from
the following link is dropped).

Link: https://github.com/llvm/llvm-project/commit/055006475e22014b28a070db1bff41ca15f322f0
Signed-off-by: Fangrui Song <maskray@google.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-10-10 12:03:07 +02:00
..
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