diff options
Diffstat (limited to 'gcc/flow.c')
| -rw-r--r-- | gcc/flow.c | 19 |
1 files changed, 5 insertions, 14 deletions
@@ -377,7 +377,7 @@ life_analysis (FILE *file, int flags) #ifdef CANNOT_CHANGE_MODE_CLASS if (flags & PROP_REG_INFO) - bitmap_initialize (&subregs_of_mode, 1); + init_subregs_of_mode (); #endif if (! optimize) @@ -3773,12 +3773,8 @@ mark_used_regs (struct propagate_block_info *pbi, rtx x, rtx cond, rtx insn) case SUBREG: #ifdef CANNOT_CHANGE_MODE_CLASS - if ((flags & PROP_REG_INFO) - && REG_P (SUBREG_REG (x)) - && REGNO (SUBREG_REG (x)) >= FIRST_PSEUDO_REGISTER) - bitmap_set_bit (&subregs_of_mode, REGNO (SUBREG_REG (x)) - * MAX_MACHINE_MODE - + GET_MODE (x)); + if (flags & PROP_REG_INFO) + record_subregs_of_mode (x); #endif /* While we're here, optimize this case. */ @@ -3823,13 +3819,8 @@ mark_used_regs (struct propagate_block_info *pbi, rtx x, rtx cond, rtx insn) || GET_CODE (testreg) == SUBREG) { #ifdef CANNOT_CHANGE_MODE_CLASS - if ((flags & PROP_REG_INFO) - && GET_CODE (testreg) == SUBREG - && REG_P (SUBREG_REG (testreg)) - && REGNO (SUBREG_REG (testreg)) >= FIRST_PSEUDO_REGISTER) - bitmap_set_bit (&subregs_of_mode, REGNO (SUBREG_REG (testreg)) - * MAX_MACHINE_MODE - + GET_MODE (testreg)); + if ((flags & PROP_REG_INFO) && GET_CODE (testreg) == SUBREG) + record_subregs_of_mode (testreg); #endif /* Modifying a single register in an alternate mode |