diff options
Diffstat (limited to 'gcc/lra-assigns.c')
| -rw-r--r-- | gcc/lra-assigns.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/gcc/lra-assigns.c b/gcc/lra-assigns.c index 03c2506d826..cea4c33b9aa 100644 --- a/gcc/lra-assigns.c +++ b/gcc/lra-assigns.c @@ -1420,6 +1420,31 @@ assign_by_spills (void) alternatives of insns containing the pseudo. */ bitmap_set_bit (&changed_pseudo_bitmap, regno); } + else + { + enum reg_class rclass = lra_get_allocno_class (regno); + enum reg_class spill_class; + + if (lra_reg_info[regno].restore_regno < 0 + || ! bitmap_bit_p (&lra_inheritance_pseudos, regno) + || (spill_class + = ((enum reg_class) + targetm.spill_class + ((reg_class_t) rclass, + PSEUDO_REGNO_MODE (regno)))) == NO_REGS) + continue; + regno_allocno_class_array[regno] = spill_class; + hard_regno = find_hard_regno_for (regno, &cost, -1, false); + if (hard_regno < 0) + regno_allocno_class_array[regno] = rclass; + else + { + setup_reg_classes + (regno, spill_class, spill_class, spill_class); + assign_hard_regno (hard_regno, regno); + bitmap_set_bit (&changed_pseudo_bitmap, regno); + } + } } } free (update_hard_regno_preference_check); |