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r152665 - in /trunk/gcc: ChangeLog config/i386/...

From: jakub at gcc dot gnu dot org
To: gcc-cvs at gcc dot gnu dot org
Date: Mon, 12 Oct 2009 13:35:04 -0000
Subject: r152665 - in /trunk/gcc: ChangeLog config/i386/...

Author: jakub
Date: Mon Oct 12 13:35:03 2009
New Revision: 152665

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=152665
Log:
	PR target/41680
	* config/i386/i386.md (split after *testqi_ext_3_rex64): Only narrow
	paradoxical subregs to prevent partial register stalls if the inner
	mode is integer mode.

	* g++.dg/torture/pr41680.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/torture/pr41680.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.md
    trunk/gcc/testsuite/ChangeLog

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