From f387b2e4ff801ce9cf9da33580eabf098e210c85 Mon Sep 17 00:00:00 2001 From: Jeffrey A Law Date: Fri, 15 Jan 1999 01:53:08 +0000 Subject: unroll.c (find_splittable_givs): For a DEST_ADDR giv... * unroll.c (find_splittable_givs): For a DEST_ADDR giv, do not share a register with another DEST_ADDR giv if the address is not valid. From-SVN: r24673 --- gcc/unroll.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) (limited to 'gcc/unroll.c') diff --git a/gcc/unroll.c b/gcc/unroll.c index d36fba5..501a6e5 100644 --- a/gcc/unroll.c +++ b/gcc/unroll.c @@ -2847,8 +2847,11 @@ find_splittable_givs (bl, unroll_type, loop_start, loop_end, increment, To share a register here, the values must be equal. */ && rtx_equal_p (v->same->mult_val, v->mult_val) - && rtx_equal_p (v->same->add_val, v->add_val)) - + && rtx_equal_p (v->same->add_val, v->add_val) + /* If the memory references have different modes, + then the address may not be valid and we must + not share registers. */ + && verify_addresses (v, giv_inc, unroll_number)) { v->dest_reg = v->same->dest_reg; v->shared = 1; -- cgit v1.1