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Re: [PATCH, x86] Use vector moves in memmove expanding
- From: "Michael V. Zolotukhin" <michael dot v dot zolotukhin at gmail dot com>
- To: Jan Hubicka <hubicka at ucw dot cz>
- Cc: "H.J. Lu" <hjl dot tools at gmail dot com>, Eric Botcazou <ebotcazou at adacore dot com>, Kirill Yukhin <kirill dot yukhin at gmail dot com>, GCC Patches <gcc-patches at gcc dot gnu dot org>, Ond??ej B?lka <neleai at seznam dot cz>, Uros Bizjak <ubizjak at gmail dot com>
- Date: Mon, 9 Sep 2013 11:42:05 +0400
- Subject: Re: [PATCH, x86] Use vector moves in memmove expanding
- Authentication-results: sourceware.org; auth=none
- References: <CAMe9rOrRaZANTPLZQxv8j-V5Ozy75M4d80oCC-rZRT0xQ4a=Rw at mail dot gmail dot com> <20130705112534 dot GA10164 at kam dot mff dot cuni dot cz> <CAGs3Rfs86yLj3-1HkAMnkf4ey87cZgiqajLAH=WC9mpg6OJLiw at mail dot gmail dot com> <7703907 dot JSoGtmLQkn at polaris> <CAMe9rOrphfykcfD5FApBH-Bp-Wuu8eu7qFQ+256fMgdT0WJcAA at mail dot gmail dot com> <CANtU079EYp6MH1ZhXVFk9gtC19dCMq37tDer8unwqh65fKy-pg at mail dot gmail dot com> <20130909072317 dot GA53568 at msticlxl57 dot ims dot intel dot com> <20130909072434 dot GA21984 at kam dot mff dot cuni dot cz>
> OK,
> Would you mind adding a testcase?
Thanks, here is the patch with Eric's test.
OK to commit?
Changelog:
gcc:
2013-09-09 Michael Zolotukhin <michael.v.zolotukhin@gmail.com>
* config/i386/i386.c (ix86_expand_movmem): Fix epilogue generation.
gcc/testsuite:
2013-09-09 Michael Zolotukhin <michael.v.zolotukhin@gmail.com>
* gcc.target/i386/memcpy-2.c: New test.
Thanks, Michael
> Honza
Attachment:
memcpy_epilogue_fix-2.patch
Description: Text document