/* { dg-do compile { target arm*-*-* alpha*-*-* i?86-*-* powerpc*-*-* rs6000-*-* x86_64-*-* s390*-*-* } } */ /* { dg-require-effective-target stdint_types } */ /* { dg-options "-O -fdump-rtl-combine" } */ /* The branch cost setting prevents the return value from being calculated with arithmetic instead of doing a compare. */ /* { dg-additional-options "-march=z900 -mbranch-cost=0" { target s390*-*-* } } */ #include #define BS(X) __builtin_bswap32(X) int foo1 (uint32_t a) { if (BS (a) == 0xA0000) return 1; return 0; } int foo2 (uint32_t a) { if (BS (a) != 0xA0000) return 1; return 0; } int foo3 (uint32_t a, uint32_t b) { if (BS (a) == BS (b)) return 1; return 0; } int foo4 (uint32_t a, uint32_t b) { if (BS (a) != BS (b)) return 1; return 0; } /* { dg-final { scan-rtl-dump-not "bswapsi" "combine" } } */ /* { dg-final { cleanup-rtl-dump "combine" } } */