[Bug inline-asm/50571] [4.6/4.7 Regression] Undesirable folding in "m" constrained asm operands

[amker at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50571

--- Comment #5 from amker at gcc dot gnu.org 2012-06-12 02:45:27 UTC ---
Author: amker
Date: Tue Jun 12 02:45:23 2012
New Revision: 188415

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=188415
Log:
    Backport r179389 from mainline
    2011-09-30  Jakub Jelinek  <ja...@redhat.com>

    PR inline-asm/50571
    * gimple-fold.c (fold_stmt_1) <case GIMPLE_ASM>: If
    input constraints allow mem and not reg, pass true instead of
    false as second argument to maybe_fold_reference.

    * gcc.dg/pr50571.c: New test.


Added:
    branches/ARM/embedded-4_6-branch/gcc/testsuite/gcc.dg/pr50571.c
Modified:
    branches/ARM/embedded-4_6-branch/gcc/ChangeLog.arm
    branches/ARM/embedded-4_6-branch/gcc/gimple-fold.c
    branches/ARM/embedded-4_6-branch/gcc/testsuite/ChangeLog.arm