From: ian Date: Sat, 20 Jan 2007 02:04:31 +0000 (+0000) Subject: * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=f74f4e04a6a5bb91924147720fd36921df06fa75;p=thirdparty%2Fgcc.git * 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 --- diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d5eb9aec6864..97483ccc2934 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +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 diff --git a/gcc/expmed.c b/gcc/expmed.c index e12fdfbb1034..58b6a635a6a4 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)