[Bug rtl-optimization/64539] [5 regression] cprop_hardreg does not respect clobbers in C_I_F_U

[vries at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64539

--- Comment #7 from vries at gcc dot gnu.org ---
Author: vries
Date: Fri Jan  9 18:54:20 2015
New Revision: 219400

URL: https://gcc.gnu.org/viewcvs?rev=219400&root=gcc&view=rev
Log:
Handle CALL_INSN_FUNCTION_USAGE clobbers in regcprop.c

2015-01-09  Tom de Vries  <tom@codesourcery.com>

    PR rtl-optimization/64539
    * regcprop.c (kill_clobbered_values): Factor out of ...
    (copyprop_hardreg_forward_1): ... here.  Use kill_clobbered_values
    instead of note_stores with kill_clobbered_value.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/regcprop.c