[Bug inline-asm/55934] [4.8 Regression] LRA inline asm error recovery

[steven at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55934

--- Comment #8 from Steven Bosscher <steven at gcc dot gnu.org> 2013-01-24 10:30:29 UTC ---
Author: steven
Date: Thu Jan 24 10:30:26 2013
New Revision: 195420

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195420
Log:
gcc/

    PR inline-asm/55934
    * lra-assigns.c (assign_by_spills): Throw away the pattern of asms
    that have operands with impossible constraints.
    Add a FIXME for a speed-up opportunity.
    * lra-constraints.c (process_alt_operands): Verify that a class
    selected from constraints on asms is valid for the operand mode.
    (curr_insn_transform): Remove incorrect comment.

testsuite/

    PR inline-asm/55934
    * gcc.target/i386/pr55934.c: New test.


Added:
    trunk/gcc/testsuite/gcc.target/i386/pr55934.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/lra-assigns.c
    trunk/gcc/lra-constraints.c
    trunk/gcc/testsuite/ChangeLog