[Bug target/53358] [4.7/4.8 Regression] ICE due to TARGET_READ_MODIFY_WRITE peephole2

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53358

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-05-15 
15:19:22 UTC ---
Author: jakub
Date: Tue May 15 15:19:10 2012
New Revision: 187544

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=187544
Log:
    PR target/53358
    * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
    that operands[2] is either immediate, or q_regs_operand.

    * gcc.dg/pr53358.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr53358.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.md
    trunk/gcc/testsuite/ChangeLog