Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/builtin-bswap-7.c @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
parents | |
children | 84e7813d76e9 |
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/* { dg-do compile { target arm*-*-* alpha*-*-* ia64*-*-* i?86-*-* x86_64-*-* s390x-*-* powerpc*-*-* rs6000-*-* } } */ /* { dg-require-effective-target stdint_types } */ /* { dg-require-effective-target lp64 } */ /* { 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 "-mbranch-cost=0" { target s390x-*-* } } */ #include <stdint.h> #define BS(X) __builtin_bswap64(X) int foo1 (uint64_t a) { if (BS (a) == 0xA00000000) return 1; return 0; } int foo2 (uint64_t a) { if (BS (a) != 0xA00000000) return 1; return 0; } int foo3 (uint64_t a, uint64_t b) { if (BS (a) == BS (b)) return 1; return 0; } int foo4 (uint64_t a, uint64_t b) { if (BS (a) != BS (b)) return 1; return 0; } /* { dg-final { scan-rtl-dump-not "bswapdi" "combine" } } */