diff options
Diffstat (limited to 'gcc/rtlanal.c')
| -rw-r--r-- | gcc/rtlanal.c | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/gcc/rtlanal.c b/gcc/rtlanal.c index b35d774859c..25f4a483742 100644 --- a/gcc/rtlanal.c +++ b/gcc/rtlanal.c @@ -1880,10 +1880,11 @@ find_regno_fusage (const_rtx insn, enum rtx_code code, unsigned int regno) } -/* Add register note with kind KIND and datum DATUM to INSN. */ +/* Allocate a register note with kind KIND and datum DATUM. NEXT is + stored as the pointer to the next register note. */ -void -add_reg_note (rtx insn, enum reg_note kind, rtx datum) +rtx +alloc_reg_note (enum reg_note kind, rtx datum, rtx list) { rtx note; @@ -1893,19 +1894,24 @@ add_reg_note (rtx insn, enum reg_note kind, rtx datum) case REG_CC_USER: case REG_LABEL_TARGET: case REG_LABEL_OPERAND: - /* These types of register notes use an INSN_LIST rather than an - EXPR_LIST, so that copying is done right and dumps look - better. */ - note = alloc_INSN_LIST (datum, REG_NOTES (insn)); + note = alloc_INSN_LIST (datum, list); PUT_REG_NOTE_KIND (note, kind); break; default: - note = alloc_EXPR_LIST (kind, datum, REG_NOTES (insn)); + note = alloc_EXPR_LIST (kind, datum, list); break; } - REG_NOTES (insn) = note; + return note; +} + +/* Add register note with kind KIND and datum DATUM to INSN. */ + +void +add_reg_note (rtx insn, enum reg_note kind, rtx datum) +{ + REG_NOTES (insn) = alloc_reg_note (kind, datum, REG_NOTES (insn)); } /* Remove register note NOTE from the REG_NOTES of INSN. */ |