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[Bug target/55019] Incorrectly use live argument register to save high register in thumb1 prologue
- From: "xguo at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 23 Oct 2012 03:49:21 +0000
- Subject: [Bug target/55019] Incorrectly use live argument register to save high register in thumb1 prologue
- Auto-submitted: auto-generated
- References: <bug-55019-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55019
--- Comment #3 from xuepeng guo <xguo at gcc dot gnu.org> 2012-10-23 03:49:21 UTC ---
Author: xguo
Date: Tue Oct 23 03:49:17 2012
New Revision: 192703
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=192703
Log:
gcc/
PR target/55019
* config/arm/arm.c (thumb1_expand_prologue): Don't push high regs with
live argument regs.
gcc/testsuite/
PR target/55019
* gcc.dg/pr55019.c: New.
Added:
trunk/gcc/testsuite/gcc.dg/pr55019.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/arm/arm.c
trunk/gcc/testsuite/ChangeLog