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Groups > linux.kernel > #1608462
| From | Herbert Xu <herbert@gondor.apana.org.au> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] crypto, x86: aesni - fix token pasting for clang |
| Date | 2017-03-24 15:20 +0100 |
| Message-ID | <toyeo-2LK-83@gated-at.bofh.it> (permalink) |
| References | <tlpKh-5Kx-15@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Wed, Mar 15, 2017 at 03:36:00PM -0700, Michael Davidson wrote: > aes_ctrby8_avx-x86_64.S uses the C preprocessor for token pasting > of character sequences that are not valid preprocessor tokens. > While this is allowed when preprocessing assembler files it exposes > an incompatibilty between the clang and gcc preprocessors where > clang does not strip leading white space from macro parameters, > leading to the CONCAT(%xmm, i) macro expansion on line 96 resulting > in a token with a space character embedded in it. > > While this could be resolved by deleting the offending space character, > the assembler is perfectly capable of doing the token pasting correctly > for itself so we can just get rid of the preprocessor macros. > > Signed-off-by: Michael Davidson <md@google.com> Patch applied. Thanks. -- Email: Herbert Xu <herbert@gondor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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[PATCH] crypto, x86: aesni - fix token pasting for clang Michael Davidson <md@google.com> - 2017-03-15 23:40 +0100 Re: [PATCH] crypto, x86: aesni - fix token pasting for clang Herbert Xu <herbert@gondor.apana.org.au> - 2017-03-24 15:20 +0100
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