Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/torture/pr56420.c @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 04ced10e8804 |
children |
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/* PR middle-end/56420 */ /* { dg-do run { target int128 } } */ extern void abort (void); __attribute__((noinline, noclone)) __uint128_t foo (__uint128_t x) { return x * (((__uint128_t) -1) << 63); } __attribute__((noinline, noclone)) __uint128_t bar (__uint128_t x) { return x * (((__uint128_t) 1) << 63); } __attribute__((noinline, noclone)) __uint128_t baz (__uint128_t x) { return x * -(((__uint128_t) 1) << 62); } int main () { if (foo (1) != (((__uint128_t) -1) << 63) || foo (8) != (((__uint128_t) -1) << 66)) abort (); if (bar (1) != (((__uint128_t) 1) << 63) || bar (8) != (((__uint128_t) 1) << 66)) abort (); if (baz (1) != -(((__uint128_t) 1) << 62) || baz (8) != ((-(((__uint128_t) 1) << 62)) << 3)) abort (); return 0; }