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RE: [PATCH] Fix PR63266: Keep track of impact of sign extension in bswap
- From: "Thomas Preud'homme" <thomas dot preudhomme at arm dot com>
- To: "'Christophe Lyon'" <christophe dot lyon at linaro dot org>
- Cc: "GCC Patches" <gcc-patches at gcc dot gnu dot org>
- Date: Fri, 26 Sep 2014 10:25:10 +0800
- Subject: RE: [PATCH] Fix PR63266: Keep track of impact of sign extension in bswap
- Authentication-results: sourceware.org; auth=none
- References: <000001cfd198$71470e30$53d52a90$ at arm dot com> <CAFiYyc12bCCxtunYgib+kPvY7-R=ygiw0sBY-bPz=V7NkqPRyQ at mail dot gmail dot com> <CAKdteOZOJp6dA9FVYuX_Nmwo9JQZkSh0yERAr5Wg8cn3w0WXYA at mail dot gmail dot com> <002b01cfd88b$76644410$632ccc30$ at arm dot com> <CAKdteOaJc6qgWZXBa-wb3WSKKrASZP8CuKG8MzEP2MdQ+JR2ew at mail dot gmail dot com>
> From: Christophe Lyon [mailto:christophe.lyon@linaro.org]
> Sent: Thursday, September 25, 2014 10:08 PM
>
> While attempting to try this, I noticed that more precisely the test
> is currently UNSUPPORTED on aarch64_be,
> which is because check_effective_target_bswap only accepts istarget
> aarch64-*-*.
Ah yes, of course.
>
> I didn't try yet to change it into istarget aarch64*-*-*.
It should probably be added no matter the result anyway, since this target has bswap instructions.
Best regards,
Thomas