|
111
|
1 /* { dg-do compile { target arm*-*-* alpha*-*-* i?86-*-* powerpc*-*-* rs6000-*-* x86_64-*-* s390*-*-* } } */
|
|
|
2 /* { dg-require-effective-target stdint_types } */
|
|
|
3 /* { dg-options "-O2 -fdump-rtl-combine" } */
|
|
|
4 /* { dg-additional-options "-march=z900" { target s390*-*-* } } */
|
|
|
5
|
|
|
6 /* The test is similiar to builtin-bswap-6.c but returns 1/2 instead
|
|
|
7 of 0/1 to prevent GCC from calculating the return value with
|
|
|
8 arithmetic instead of a comparison. This requires the optimization
|
|
|
9 level to be bumped up to -O2 at least for x86_64. */
|
|
|
10
|
|
|
11 #include <stdint.h>
|
|
|
12
|
|
|
13 #define BS(X) __builtin_bswap32(X)
|
|
|
14
|
|
|
15 int foo1 (uint32_t a)
|
|
|
16 {
|
|
|
17 if (BS (a) == 0xA0000)
|
|
|
18 return 1;
|
|
|
19 return 2;
|
|
|
20 }
|
|
|
21
|
|
|
22 int foo2 (uint32_t a)
|
|
|
23 {
|
|
|
24 if (BS (a) != 0xA0000)
|
|
|
25 return 1;
|
|
|
26 return 2;
|
|
|
27 }
|
|
|
28
|
|
|
29 int foo3 (uint32_t a, uint32_t b)
|
|
|
30 {
|
|
|
31 if (BS (a) == BS (b))
|
|
|
32 return 1;
|
|
|
33 return 2;
|
|
|
34 }
|
|
|
35
|
|
|
36 int foo4 (uint32_t a, uint32_t b)
|
|
|
37 {
|
|
|
38 if (BS (a) != BS (b))
|
|
|
39 return 1;
|
|
|
40 return 2;
|
|
|
41 }
|
|
|
42
|
|
|
43 /* { dg-final { scan-rtl-dump-not "bswapsi" "combine" } } */
|
