diff options
Diffstat (limited to 'gcc/recog.c')
| -rw-r--r-- | gcc/recog.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/recog.c b/gcc/recog.c index 14a1e7af093..c8594bb5904 100644 --- a/gcc/recog.c +++ b/gcc/recog.c @@ -726,7 +726,7 @@ validate_replace_rtx_1 (rtx *loc, rtx from, rtx to, rtx object, /* Call ourself recursively to perform the replacements. We must not replace inside already replaced expression, otherwise we get infinite recursion for replacements like (reg X)->(subreg (reg X)) - done by regmove, so we must special case shared ASM_OPERANDS. */ + so we must special case shared ASM_OPERANDS. */ if (GET_CODE (x) == PARALLEL) { @@ -762,6 +762,7 @@ validate_replace_rtx_1 (rtx *loc, rtx from, rtx to, rtx object, if (num_changes == prev_changes) return; + /* ??? The regmove is no more, so is this aberration still necessary? */ /* Allow substituted expression to have different mode. This is used by regmove to change mode of pseudo register. */ if (fmt[0] == 'e' && GET_MODE (XEXP (x, 0)) != VOIDmode) |