Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/builtin-bswap-7.c @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | 84e7813d76e9 |
children |
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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 param setting prevents the return value from being calculated with arithmetic instead of doing a compare. */ /* { dg-additional-options "--param logical-op-non-short-circuit=0" } */ #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" } } */