===================================================================
@@ -413,6 +413,9 @@ operand_to_remat (rtx_insn *insn)
struct lra_static_insn_data *static_id = id->insn_static_data;
struct lra_insn_reg *reg, *found_reg = NULL;
+ /* Don't rematerialize insns which can change PC. */
+ if (JUMP_P (insn) || CALL_P (insn))
+ return -1;
/* First find a pseudo which can be rematerialized. */
for (reg = id->regs; reg != NULL; reg = reg->next)
/* True FRAME_POINTER_NEEDED might be because we can not follow
The following patch fixes https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64671 The patch was successfully bootstrapped on x86-64.I don't expect that the patch can result in any trouble. Committed as rev. 219857. 2015-01-19 Vladimir Makarov <vmakarov@redhat.com> PR rtl-optimization/64671 * lra-remat.c (operand_to_remat): Don't consider jump and call insns.