diff options
Diffstat (limited to 'gcc/rtlanal.c')
| -rw-r--r-- | gcc/rtlanal.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/gcc/rtlanal.c b/gcc/rtlanal.c index 3a26d8f..3cdb76a 100644 --- a/gcc/rtlanal.c +++ b/gcc/rtlanal.c @@ -1396,10 +1396,13 @@ reg_overlap_mentioned_p (rtx x, rtx in) } /* Call FUN on each register or MEM that is stored into or clobbered by X. - (X would be the pattern of an insn). - FUN receives two arguments: - the REG, MEM, CC0 or PC being stored in or clobbered, - the SET or CLOBBER rtx that does the store. + (X would be the pattern of an insn). DATA is an arbitrary pointer, + ignored by note_stores, but passed to FUN. + + FUN receives three arguments: + 1. the REG, MEM, CC0 or PC being stored in or clobbered, + 2. the SET or CLOBBER rtx that does the store, + 3. the pointer DATA provided to note_stores. If the item being stored in or clobbered is a SUBREG of a hard register, the SUBREG will be passed. */ |