1 /* Copyright (C) 2001 Free Software Foundation, Inc. */
4 /* { dg-options "-Wno-multichar -fsigned-char" } */
6 /* This tests how overly-long multichar charconsts are truncated, and
7 whether "short" multichar charconsts are incorrectly sign extended
8 (regardless of char signedness). Preprocessor is used so that we
9 have only one place where the too long warning is generated, so
10 that the test works for all targets.
12 Neil Booth, 8 May 2002. */
17 # define LONG_CHARCONST '!\234a'
18 # define SHORT_CHARCONST '\234a'
19 # define POS_CHARCONST '\1'
20 #elif INT_MAX == 2147483647
21 # define LONG_CHARCONST '!\234abc'
22 # define SHORT_CHARCONST '\234abc'
23 # define POS_CHARCONST '\234a'
24 #elif INT_MAX == 9223372036854775807
25 # define LONG_CHARCONST '!\234abcdefg'
26 # define SHORT_CHARCONST '\234abcdefg'
27 # define POS_CHARCONST '\234a'
29 /* Target int size not handled, do something that won't fail. */
30 # define LONG_CHARCONST '\234a'
31 # define SHORT_CHARCONST '\234a'
32 # define POS_CHARCONST '\1'
36 # error Charconst incorrectly sign-extended
39 #if LONG_CHARCONST != SHORT_CHARCONST /* { dg-warning "too long" "" } */
40 # error Overly long charconst truncates wrongly for preprocessor
45 if (POS_CHARCONST < 0)
47 if (LONG_CHARCONST != SHORT_CHARCONST) /* { dg-warning "too long" "" } */