From 4d2c432d8832636b094b20024bda7d1b1ff095aa Mon Sep 17 00:00:00 2001 From: Richard Kenner Date: Sat, 15 Feb 1997 08:15:55 -0500 Subject: [PATCH] Update comments. From-SVN: r13636 --- gcc/combine.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/gcc/combine.c b/gcc/combine.c index 800d0c71e4b..2265eb3e537 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -952,7 +952,12 @@ can_combine_p (insn, i3, pred, succ, pdest, psrc) insns. Eliminate this problem by not combining with such an insn. Also, on some machines we don't want to extend the life of a hard - register. */ + register. + + This is the same test done in can_combine except that we don't test + if SRC is a CALL operation to permit a hard register with + SMALL_REGISTER_CLASSES, and that we have to take all_adjacent + into account. */ if (GET_CODE (src) == REG && ((REGNO (dest) < FIRST_PSEUDO_REGISTER -- 2.30.2