[Bug target/45701] [4.6 Regression] Fail to prefer using r3 for padding a push/pop multiple to 8-byte alignment

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45701

--- Comment #10 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-01-25 
16:22:45 UTC ---
Author: jakub
Date: Tue Jan 25 16:22:34 2011
New Revision: 169240

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=169240
Log:
    PR target/45701
    * config/arm/arm.c (any_sibcall_uses_r3): New function.
    (arm_get_frame_offsets): Use it.

2011-01-25  Yao Qi  <y...@codesourcery.com>

        PR target/45701
        * gcc.target/arm/pr45701-1.c: New test.
        * gcc.target/arm/pr45701-2.c: New test.
    * gcc.target/arm/pr45701-3.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/arm/pr45701-1.c
    trunk/gcc/testsuite/gcc.target/arm/pr45701-2.c
    trunk/gcc/testsuite/gcc.target/arm/pr45701-3.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/arm/arm.c
    trunk/gcc/testsuite/ChangeLog