Re: [PATCH] x86: crypto: fix building crc32c with clang ias
From: Arnd Bergmann
Date: Wed May 27 2020 - 14:24:56 EST
On Wed, May 27, 2020 at 6:42 PM Nathan Chancellor
> On Wed, May 27, 2020 at 04:17:40PM +0200, Arnd Bergmann wrote:
> > The clang integrated assembler complains about movzxw:
> > arch/x86/crypto/crc32c-pcl-intel-asm_64.S:173:2: error: invalid instruction mnemonic 'movzxw'
> > It seems that movzwq is the mnemonic that it expects instead,
> > and this is what objdump prints when disassembling the file.
> > Fixes: 6a8ce1ef3940 ("crypto: crc32c - Optimize CRC32C calculation with PCLMULQDQ instruction")
> > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> We had an identical patch pending from another contributor, see the
> discussion and result in the issue below.
> Reviewed-by: Nathan Chancellor <natechancellor@xxxxxxxxx>
Was the other one submitted upstream? If yes, let's use that one.