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r238091 - in /branches/gcc-5-branch/gcc: Change...


Author: jakub
Date: Thu Jul  7 12:34:07 2016
New Revision: 238091

URL: https://gcc.gnu.org/viewcvs?rev=238091&root=gcc&view=rev
Log:
	Backported from mainline
	2016-04-08  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/70574
	* fwprop.c (forward_propagate_and_simplify): Don't add
	REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
	(try_fwprop_subst): Don't add REG_EQUAL note if there are any
	paradoxical subregs within *loc.

	* gcc.target/i386/avx2-pr70574.c: New test.

Added:
    branches/gcc-5-branch/gcc/testsuite/gcc.target/i386/avx2-pr70574.c
Modified:
    branches/gcc-5-branch/gcc/ChangeLog
    branches/gcc-5-branch/gcc/fwprop.c
    branches/gcc-5-branch/gcc/testsuite/ChangeLog


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