diff options
Diffstat (limited to 'gcc/local-alloc.c')
| -rw-r--r-- | gcc/local-alloc.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/local-alloc.c b/gcc/local-alloc.c index a068db8385d..c987190698e 100644 --- a/gcc/local-alloc.c +++ b/gcc/local-alloc.c @@ -1102,6 +1102,12 @@ update_equiv_regs () abort (); equiv_insn = XEXP (reg_equiv[regno].init_insns, 0); + /* We may not move instructions that can throw, since + that changes basic block boundaries and we are not + prepared to adjust the CFG to match. */ + if (can_throw_internal (equiv_insn)) + continue; + if (asm_noperands (PATTERN (equiv_insn)) < 0 && validate_replace_rtx (regno_reg_rtx[regno], reg_equiv[regno].src, insn)) |