https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91052
--- Comment #16 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Kewen Lin <li...@gcc.gnu.org>: https://gcc.gnu.org/g:4d2248bec5d22061ab252724bd59d45c8a47e009 commit r10-6591-g4d2248bec5d22061ab252724bd59d45c8a47e009 Author: Kewen Lin <li...@linux.ibm.com> Date: Tue Feb 11 23:22:02 2020 -0600 [IRA] Fix PR91052 by skipping multiple_sets insn in combine_and_move_insns As PR91052's comments show, commit r272731 exposed one issue in function combine_and_move_insns. Function combine_and_move_insns perform the unexpected movement which alter live interval of some register, leading incorrect value to be used. See PR91052 for details. 2020-02-12 Kewen Lin <li...@gcc.gnu.org> PR target/91052 * ira.c (combine_and_move_insns): Skip multiple_sets def_insn.
