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r248777 - in /trunk/gcc: ChangeLog config/arc/a...
- From: claziss at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Thu, 01 Jun 2017 09:41:47 -0000
- Subject: r248777 - in /trunk/gcc: ChangeLog config/arc/a...
Author: claziss
Date: Thu Jun 1 09:41:46 2017
New Revision: 248777
URL: https://gcc.gnu.org/viewcvs?rev=248777&root=gcc&view=rev
Log:
[ARC] Avoid use of hard registers before reg-alloc.
gcc/
2017-06-01 Claudiu Zissulescu <claziss@synopsys.com>
* config/arc/arc.md (mulsi3): Avoid use of hard registers before
reg-alloc when having mul64 or mul32x16 instructions.
(mulsidi3): Likewise.
(umulsidi3): Likewise.
(mulsi32x16): New pattern.
(mulsi64): Likewise.
(mulsidi64): Likewise.
(umulsidi64): Likewise.
(MUL32x16_REG): Define.
(mul64_600): Use MUL32x16_REG.
(mac64_600): Likewise.
(umul64_600): Likewise.
(umac64_600): Likewise.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/arc/arc.md