Mercurial > hg > CbC > CbC_gcc
diff gcc/testsuite/gcc.dg/pr88563.c @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
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date | Thu, 13 Feb 2020 11:34:05 +0900 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/testsuite/gcc.dg/pr88563.c Thu Feb 13 11:34:05 2020 +0900 @@ -0,0 +1,15 @@ +/* PR rtl-optimization/88563 */ +/* { dg-do run { target int128 } } */ +/* { dg-options "-O2 -fno-code-hoisting -fno-tree-ccp -fno-tree-dominator-opts -fno-tree-forwprop -fno-tree-fre -fno-tree-pre -fno-tree-vrp" } */ + +int +main () +{ +#if __SIZEOF_LONG_LONG__ == 8 && __SIZEOF_INT128__ == 16 && __CHAR_BIT__ == 8 + unsigned __int128 a = 5; + __builtin_mul_overflow (0xffffffffffffffffULL, (unsigned long long) a, &a); + if (a != ((unsigned __int128)4 << 64 | 0xfffffffffffffffb)) + __builtin_abort (); +#endif + return 0; +}