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[Bug target/65249] unable to find a register to spill in class 'R0_REGS' when compiling protobuf on sh4
- From: "kkojima at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sat, 25 Jul 2015 01:25:00 +0000
- Subject: [Bug target/65249] unable to find a register to spill in class 'R0_REGS' when compiling protobuf on sh4
- Auto-submitted: auto-generated
- References: <bug-65249-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65249
--- Comment #24 from Kazumoto Kojima <kkojima at gcc dot gnu.org> ---
Author: kkojima
Date: Sat Jul 25 01:24:27 2015
New Revision: 226200
URL: https://gcc.gnu.org/viewcvs?rev=226200&root=gcc&view=rev
Log:
PR target/65249
* config/sh/sh.md (movdi): Split simple reg move to two movsi when
the destination is R0 so as to lower R0-register pressure.
Modified:
branches/gcc-5-branch/gcc/ChangeLog
branches/gcc-5-branch/gcc/config/sh/sh.md