[Bug target/79430] [7/8 Regression] action of statement incorrectly optimised away

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79430

--- Comment #82 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Thu Apr 27 09:58:43 2017
New Revision: 247308

URL: https://gcc.gnu.org/viewcvs?rev=247308&root=gcc&view=rev
Log:
        PR target/79430
        * reg-stack.c (emit_swap_insn): If i1src mentions the stack pointer,
        punt if tmp contains autoinc of stack pointer.

Modified:
    branches/gcc-7-branch/gcc/ChangeLog
    branches/gcc-7-branch/gcc/reg-stack.c