diff options
Diffstat (limited to 'gcc/rtlanal.c')
| -rw-r--r-- | gcc/rtlanal.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/rtlanal.c b/gcc/rtlanal.c index b23eec4..00a996e 100644 --- a/gcc/rtlanal.c +++ b/gcc/rtlanal.c @@ -1820,6 +1820,24 @@ remove_note (rtx insn, rtx note) gcc_unreachable (); } +/* Remove REG_EQUAL and/or REG_EQUIV notes if INSN has such notes. */ + +void +remove_reg_equal_equiv_notes (rtx insn) +{ + rtx *loc; + + loc = ®_NOTES (insn); + while (*loc) + { + enum reg_note kind = REG_NOTE_KIND (*loc); + if (kind == REG_EQUAL || kind == REG_EQUIV) + *loc = XEXP (*loc, 1); + else + loc = &XEXP (*loc, 1); + } +} + /* Search LISTP (an EXPR_LIST) for an entry whose first operand is NODE and return 1 if it is found. A simple equality test is used to determine if NODE matches. */ |