[Bug rtl-optimization/38644] [4.4/4.5/4.6 Regression] Optimization flag -O1 -fschedule-insns2 causes wrong code

[ramana at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38644

--- Comment #62 from Ramana Radhakrishnan <ramana at gcc dot gnu.org> 
2012-01-09 16:55:24 UTC ---
Author: ramana
Date: Mon Jan  9 16:55:16 2012
New Revision: 183019

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=183019
Log:

2012-01-09  Ramana Radhakrishnan  <ramana.radhakrish...@linaro.org>

    Backport from mainline
    2011-11-04  Jiangning Liu  <jiangning....@arm.com>

    PR rtl-optimization/38644
    * config/arm/arm.c (thumb1_expand_epilogue): Add memory barrier
    for epilogue having stack adjustment.

2012-01-09  Ramana Radhakrishnan  <ramana.radhakrish...@linaro.org>

    Backport from mainline:
    2011-11-04  Jiangning Liu  <jiangning....@arm.com>

    PR rtl-optimization/38644
    * gcc.target/arm/stack-red-zone.c: New.



Added:
    branches/gcc-4_6-branch/gcc/testsuite/gcc.target/arm/stack-red-zone.c
Modified:
    branches/gcc-4_6-branch/gcc/ChangeLog
    branches/gcc-4_6-branch/gcc/config/arm/arm.c
    branches/gcc-4_6-branch/gcc/testsuite/ChangeLog