[Bug rtl-optimization/64818] User specified register don't work correctly in inline-asm operands.

xguo at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Wed Apr 22 07:22:00 GMT 2015


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64818

--- Comment #1 from xuepeng guo <xguo at gcc dot gnu.org> ---
Author: xguo
Date: Wed Apr 22 07:21:35 2015
New Revision: 222306

URL: https://gcc.gnu.org/viewcvs?rev=222306&root=gcc&view=rev
Log:
gcc/ChangeLog:
2015-04-22  Hale Wang  <hale.wang@arm.com>
            Terry Guo  <terry.guo@arm.com>

       PR rtl-optimization/64818
       * combine.c (can_combine_p): Don't combine user-specified
       register if it is in an asm input.

gcc/testsuite/ChangeLog
2015-04-22  Hale Wang  <hale.wang@arm.com>
            Terry Guo  <terry.guo@arm.com>

       PR rtl-optimization/64818
       * gcc.target/arm/pr64818.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/arm/pr64818.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/combine.c
    trunk/gcc/testsuite/ChangeLog



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