[Bug target/89506] [7/8/9 Regression] ICE: in decompose, at rtl.h:2266 with -Og -g

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89506

--- Comment #10 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Sat Mar  2 08:05:10 2019
New Revision: 269339

URL: https://gcc.gnu.org/viewcvs?rev=269339&root=gcc&view=rev
Log:
        PR target/89506
        * config/arm/arm.md (cmpsi2_addneg): Use
        trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
        If operands[2] is 0 or INT_MIN, force use of subs.
        (*compare_scc splitter): Use gen_int_mode.
        (*negscc): Likewise.
        * config/arm/thumb2.md (*thumb2_negscc): Likewise.

        * gcc.dg/pr89506.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr89506.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/arm/arm.md
    trunk/gcc/config/arm/thumb2.md
    trunk/gcc/testsuite/ChangeLog