1/* { dg-do compile { target arm*-*-* alpha*-*-* i?86-*-* powerpc*-*-* rs6000-*-* x86_64-*-* s390*-*-* } } */ 2/* { dg-require-effective-target stdint_types } */ 3/* { dg-options "-O -fdump-rtl-combine" } */ 4 5/* The branch cost setting prevents the return value from being 6 calculated with arithmetic instead of doing a compare. */ 7/* { dg-additional-options "-march=z900 -mbranch-cost=0" { target s390*-*-* } } */ 8 9#include <stdint.h> 10 11#define BS(X) __builtin_bswap32(X) 12 13int foo1 (uint32_t a) 14{ 15 if (BS (a) == 0xA0000) 16 return 1; 17 return 0; 18} 19 20int foo2 (uint32_t a) 21{ 22 if (BS (a) != 0xA0000) 23 return 1; 24 return 0; 25} 26 27int foo3 (uint32_t a, uint32_t b) 28{ 29 if (BS (a) == BS (b)) 30 return 1; 31 return 0; 32} 33 34int foo4 (uint32_t a, uint32_t b) 35{ 36 if (BS (a) != BS (b)) 37 return 1; 38 return 0; 39} 40 41/* { dg-final { scan-rtl-dump-not "bswapsi" "combine" } } */ 42/* { dg-final { cleanup-rtl-dump "combine" } } */ 43