From 3eacd71fc13ee261874cb57705c3f2892b71be3e Mon Sep 17 00:00:00 2001 From: Hans-Peter Nilsson Date: Fri, 21 Jan 2005 02:14:25 +0000 Subject: re PR target/18701 (mmix-knuth-mmixware gcc.c-torture/execute failures: 20010224-1.c, 20020216-1.c, 20040218-1.c, 20040709-2.c) PR target/18701 * combine.c (combine_simplify_rtx): Revert change of 2004-12-31. From-SVN: r94005 --- gcc/combine.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) (limited to 'gcc/combine.c') diff --git a/gcc/combine.c b/gcc/combine.c index 984c45e10ea..dca4d971a1e 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -3984,14 +3984,10 @@ combine_simplify_rtx (rtx x, enum machine_mode op0_mode, int in_dest) } /* Don't change the mode of the MEM if that would change the meaning - of the address. Similarly, don't allow widening, as that may - access memory outside the defined object or using an address - that is invalid for a wider mode. */ + of the address. */ if (MEM_P (SUBREG_REG (x)) && (MEM_VOLATILE_P (SUBREG_REG (x)) - || mode_dependent_address_p (XEXP (SUBREG_REG (x), 0)) - || (GET_MODE_SIZE (mode) - > GET_MODE_SIZE (GET_MODE (SUBREG_REG (x)))))) + || mode_dependent_address_p (XEXP (SUBREG_REG (x), 0)))) return gen_rtx_CLOBBER (mode, const0_rtx); /* Note that we cannot do any narrowing for non-constants since -- cgit v1.2.1