[Bug target/48678] [4.6/4.7 Regression] unable to find a register to spill in class ‘GENERAL_REGS’

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48678

--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-04-19 
16:47:09 UTC ---
Author: jakub
Date: Tue Apr 19 16:47:06 2011
New Revision: 172721

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=172721
Log:
    PR target/48678
    * config/i386/i386.md (movstrict<mode>): FAIL if operands[0]
    is a SUBREG with non-MODE_INT mode inside of it.

    * gcc.target/i386/pr48678.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/i386/pr48678.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.md
    trunk/gcc/testsuite/ChangeLog