diff options
Diffstat (limited to 'gcc-4.9/gcc/regcprop.c')
| -rw-r--r-- | gcc-4.9/gcc/regcprop.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/gcc-4.9/gcc/regcprop.c b/gcc-4.9/gcc/regcprop.c index 101de76ef..5b63cb74d 100644 --- a/gcc-4.9/gcc/regcprop.c +++ b/gcc-4.9/gcc/regcprop.c @@ -1011,7 +1011,6 @@ copyprop_hardreg_forward_1 (basic_block bb, struct value_data *vd) unsigned int set_nregs = 0; unsigned int regno; rtx exp; - hard_reg_set_iterator hrsi; for (exp = CALL_INSN_FUNCTION_USAGE (insn); exp; exp = XEXP (exp, 1)) { @@ -1030,8 +1029,10 @@ copyprop_hardreg_forward_1 (basic_block bb, struct value_data *vd) } } - EXECUTE_IF_SET_IN_HARD_REG_SET (regs_invalidated_by_call, 0, regno, hrsi) - if (regno < set_regno || regno >= set_regno + set_nregs) + for (regno = 0; regno < FIRST_PSEUDO_REGISTER; regno++) + if ((TEST_HARD_REG_BIT (regs_invalidated_by_call, regno) + || HARD_REGNO_CALL_PART_CLOBBERED (regno, vd->e[regno].mode)) + && (regno < set_regno || regno >= set_regno + set_nregs)) kill_value_regno (regno, 1, vd); /* If SET was seen in CALL_INSN_FUNCTION_USAGE, and SET_SRC |