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[Bug target/52086] [4.7 Regression] ICE caused by wrong peephole2 for QImode mem += reg followed by test
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 02 Feb 2012 09:05:03 +0000
- Subject: [Bug target/52086] [4.7 Regression] ICE caused by wrong peephole2 for QImode mem += reg followed by test
- Auto-submitted: auto-generated
- References: <bug-52086-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52086
--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-02-02 09:05:03 UTC ---
Author: jakub
Date: Thu Feb 2 09:04:57 2012
New Revision: 183830
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=183830
Log:
PR target/52086
* config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
that operands[2] is either immediate, or q_regs_operand.
* gcc.dg/pr52086.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/pr52086.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/i386/i386.md
trunk/gcc/testsuite/ChangeLog