diff options
Diffstat (limited to 'gcc/flow.c')
| -rw-r--r-- | gcc/flow.c | 6 |
1 files changed, 4 insertions, 2 deletions
@@ -3842,7 +3842,8 @@ mark_used_regs (pbi, x, cond, insn) case SUBREG: #ifdef CANNOT_CHANGE_MODE_CLASS - if (GET_CODE (SUBREG_REG (x)) == REG + if ((flags & PROP_REG_INFO) + && GET_CODE (SUBREG_REG (x)) == REG && REGNO (SUBREG_REG (x)) >= FIRST_PSEUDO_REGISTER) bitmap_set_bit (&subregs_of_mode, REGNO (SUBREG_REG (x)) * MAX_MACHINE_MODE @@ -3891,7 +3892,8 @@ mark_used_regs (pbi, x, cond, insn) || GET_CODE (testreg) == SUBREG) { #ifdef CANNOT_CHANGE_MODE_CLASS - if (GET_CODE (testreg) == SUBREG + if ((flags & PROP_REG_INFO) + && GET_CODE (testreg) == SUBREG && GET_CODE (SUBREG_REG (testreg)) == REG && REGNO (SUBREG_REG (testreg)) >= FIRST_PSEUDO_REGISTER) bitmap_set_bit (&subregs_of_mode, REGNO (SUBREG_REG (testreg)) |