From f74f4e04a6a5bb91924147720fd36921df06fa75 Mon Sep 17 00:00:00 2001 From: ian Date: Sat, 20 Jan 2007 02:04:31 +0000 Subject: [PATCH] * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast constant to unsigned HOST_WIDE_INT before negating. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@120995 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/ChangeLog | 5 +++++ gcc/expmed.c | 6 ++++-- 2 files changed, 9 insertions(+), 2 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d5eb9ae..97483cc 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2007-01-19 Ian Lance Taylor + * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast + constant to unsigned HOST_WIDE_INT before negating. + +2007-01-19 Ian Lance Taylor + * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field to unsigned. (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison. diff --git a/gcc/expmed.c b/gcc/expmed.c index e12fdfb..58b6a63 100644 --- a/gcc/expmed.c +++ b/gcc/expmed.c @@ -1,7 +1,7 @@ /* Medium-level subroutines: convert bit-field store and extract and shifts, multiplies and divides to rtl instructions. Copyright (C) 1987, 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, - 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 + 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc. This file is part of GCC. @@ -4174,7 +4174,9 @@ expand_divmod (int rem_flag, enum tree_code code, enum machine_mode mode, int lgup, post_shift; rtx mlr; HOST_WIDE_INT d = INTVAL (op1); - unsigned HOST_WIDE_INT abs_d = d >= 0 ? d : -d; + unsigned HOST_WIDE_INT abs_d; + + abs_d = d >= 0 ? d : - (unsigned HOST_WIDE_INT) d; /* n rem d = n rem -d */ if (rem_flag && d < 0) -- 2.7.4