mirror of
git://gcc.gnu.org/git/gcc.git
synced 2024-12-25 01:49:21 +08:00
* fold-const.c (make_range): Don't try to reverse an unbounded range.
From-SVN: r31197
This commit is contained in:
parent
70dec765ec
commit
c565a6b7cb
@ -1,3 +1,7 @@
|
||||
Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
|
||||
|
||||
* fold-const.c (make_range): Don't try to reverse an unbounded range.
|
||||
|
||||
Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
|
||||
|
||||
* regclass.c (regclass): Properly compute loop_cost. Adjust
|
||||
|
@ -1,5 +1,5 @@
|
||||
/* Fold a constant sub-tree into a single node for C-compiler
|
||||
Copyright (C) 1987, 88, 92-98, 1999 Free Software Foundation, Inc.
|
||||
Copyright (C) 1987, 88, 92-98, 1999, 2000 Free Software Foundation, Inc.
|
||||
|
||||
This file is part of GNU CC.
|
||||
|
||||
@ -3315,9 +3315,10 @@ make_range (exp, pin_p, plow, phigh)
|
||||
|
||||
in_p = n_in_p, low = n_low, high = n_high;
|
||||
|
||||
/* If the high bound is missing, reverse the range so it
|
||||
goes from zero to the low bound minus 1. */
|
||||
if (high == 0)
|
||||
/* If the high bound is missing, but we
|
||||
have a low bound, reverse the range so
|
||||
it goes from zero to the low bound minus 1. */
|
||||
if (high == 0 && low)
|
||||
{
|
||||
in_p = ! in_p;
|
||||
high = range_binop (MINUS_EXPR, NULL_TREE, low, 0,
|
||||
|
Loading…
Reference in New Issue
Block a user