https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96264
--- Comment #12 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Vladimir Makarov <vmaka...@gcc.gnu.org>: https://gcc.gnu.org/g:d1efec57e279f5b0cd62073696cd351fce369bb7 commit r11-7285-gd1efec57e279f5b0cd62073696cd351fce369bb7 Author: Vladimir N. Makarov <vmaka...@redhat.com> Date: Thu Feb 18 17:49:26 2021 -0500 [PR96264] LRA: Check output insn hard regs when updating available rematerialization after the insn Insn for rematerialization can contain a clobbered hard register. We can not move such insn through another insn setting up the same hard register. The patch adds such check. gcc/ChangeLog: PR rtl-optimization/96264 * lra-remat.c (reg_overlap_for_remat_p): Check also output insn hard regs. gcc/testsuite/ChangeLog: PR rtl-optimization/96264 * gcc.target/powerpc/pr96264.c: New.
