From 0794739464f23c28948d86e860df0d255d1700bf Mon Sep 17 00:00:00 2001 From: pbrook Date: Mon, 1 Sep 2008 12:28:06 +0000 Subject: 2008-09-01 Paul Brook gcc/ * config/arm/arm.c (arm_no_early_mul_dep): Handle multiply-subtract. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@139860 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/config/arm/arm.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) (limited to 'gcc/config') diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c index 6a4b3ef11cd..d22b4fe237b 100644 --- a/gcc/config/arm/arm.c +++ b/gcc/config/arm/arm.c @@ -18235,8 +18235,15 @@ arm_no_early_mul_dep (rtx producer, rtx consumer) op = XVECEXP (op, 0, 0); op = XEXP (op, 1); - return (GET_CODE (op) == PLUS - && !reg_overlap_mentioned_p (value, XEXP (op, 0))); + if (GET_CODE (op) == PLUS || GET_CODE (op) == MINUS) + { + if (GET_CODE (XEXP (op, 0)) == MULT) + return !reg_overlap_mentioned_p (value, XEXP (op, 0)); + else + return !reg_overlap_mentioned_p (value, XEXP (op, 1)); + } + + return 0; } /* We can't rely on the caller doing the proper promotion when -- cgit v1.2.1