diff options
Diffstat (limited to 'gcc/function.c')
| -rw-r--r-- | gcc/function.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/function.c b/gcc/function.c index 88e036c..b8042d0 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -1598,7 +1598,13 @@ instantiate_virtual_regs_in_insn (rtx insn) if (!safe_insn_predicate (insn_code, i, x)) { start_sequence (); - x = force_reg (insn_data[insn_code].operand[i].mode, x); + if (REG_P (x)) + { + gcc_assert (REGNO (x) <= LAST_VIRTUAL_REGISTER); + x = copy_to_reg (x); + } + else + x = force_reg (insn_data[insn_code].operand[i].mode, x); seq = get_insns (); end_sequence (); if (seq) |