[Bug rtl-optimization/66838] [5 Regression] Calling multiple SYSV AMD64 ABI functions from MS x64 ABI one results in clobbered parameters

[uros at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66838

--- Comment #7 from uros at gcc dot gnu.org ---
Author: uros
Date: Fri Jul 17 13:50:38 2015
New Revision: 225935

URL: https://gcc.gnu.org/viewcvs?rev=225935&root=gcc&view=rev
Log:
        Backport from mainline:
        2015-07-15  Uros Bizjak  <ubiz...@gmail.com>

        PR rtl-optimization/66838
        * postreload.c (reload_cse_move2add): Also process
        CALL_INSN_FUNCTION_USAGE when resetting information of
        call-clobbered registers.

testsuite/ChangeLog:

        Backport from mainline:
        2015-07-15  Uros Bizjak  <ubiz...@gmail.com>

        PR rtl-optimization/66838
        * gcc.target/i386/pr66838.c: New test.


Added:
    branches/gcc-5-branch/gcc/testsuite/gcc.target/i386/pr66838.c
Modified:
    branches/gcc-5-branch/gcc/ChangeLog
    branches/gcc-5-branch/gcc/postreload.c
    branches/gcc-5-branch/gcc/testsuite/ChangeLog