Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/pr40501.c @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | 04ced10e8804 |
children |
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/* { dg-do compile { target alpha*-*-* ia64*-*-* i?86-*-* x86_64-*-* s390x-*-* } } */ /* { dg-options "-O2 -Wno-shift-overflow" } */ /* { dg-require-effective-target lp64 } */ /* PR middle-end/40501 */ /* This once failed due to the bswap pass missing to add the type casts of the signed argument and result to the proper unsigned types. */ typedef long int int64_t; int64_t swap64 (int64_t n) { return (((n & (((int64_t) 0xff) )) << 56) | ((n & (((int64_t) 0xff) << 8)) << 40) | ((n & (((int64_t) 0xff) << 16)) << 24) | ((n & (((int64_t) 0xff) << 24)) << 8) | ((n & (((int64_t) 0xff) << 32)) >> 8) | ((n & (((int64_t) 0xff) << 40)) >> 24) | ((n & (((int64_t) 0xff) << 48)) >> 40) | ((n & (((int64_t) 0xff) << 56)) >> 56)); }