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[Bug rtl-optimization/61605] Potential optimization: Keep unclobbered argument registers live across function calls
- From: "vries at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 17 Oct 2014 06:37:18 +0000
- Subject: [Bug rtl-optimization/61605] Potential optimization: Keep unclobbered argument registers live across function calls
- Auto-submitted: auto-generated
- References: <bug-61605-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61605
--- Comment #10 from vries at gcc dot gnu.org ---
Author: vries
Date: Fri Oct 17 06:36:45 2014
New Revision: 216365
URL: https://gcc.gnu.org/viewcvs?rev=216365&root=gcc&view=rev
Log:
Use fuse-caller-save info in cprop-hardreg
2014-10-17 Tom de Vries <tom@codesourcery.com>
PR rtl-optimization/61605
* regcprop.c (copyprop_hardreg_forward_1): Use
regs_invalidated_by_this_call instead of regs_invalidated_by_call.
* gcc.target/i386/fuse-caller-save.c: Update addition check. Add movl
absence check.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/regcprop.c
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/gcc.target/i386/fuse-caller-save.c