[Bug inline-asm/85034] [6/7 Regression] -O1 internal compiler error: in elimination_costs_in_insn, at reload1.c:3633

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85034

--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Fri Jun 22 20:58:02 2018
New Revision: 261938

URL: https://gcc.gnu.org/viewcvs?rev=261938&root=gcc&view=rev
Log:
        Backported from mainline
        2018-03-23  Jakub Jelinek  <ja...@redhat.com>

        PR inline-asm/85034
        * function.c (match_asm_constraints_1): Don't optimize if input
        doesn't satisfy general_operand predicate for output's mode.

        * gcc.target/i386/pr85034.c: New test.

Added:
    branches/gcc-7-branch/gcc/testsuite/gcc.target/i386/pr85034.c
Modified:
    branches/gcc-7-branch/gcc/ChangeLog
    branches/gcc-7-branch/gcc/function.c
    branches/gcc-7-branch/gcc/testsuite/ChangeLog