Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.c-torture/execute/20030222-1.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 | 1830386684a0 |
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/* Verify that we get the low part of the long long as an int. We used to get it wrong on big-endian machines, if register allocation succeeded at all. We use volatile to make sure the long long is actually truncated to int, in case a single register is wide enough for a long long. */ /* { dg-skip-if "asm requires register allocation" { nvptx-*-* } } */ #include <limits.h> void ll_to_int (long long x, volatile int *p) { int i; asm ("" : "=r" (i) : "0" (x)); *p = i; } int val = INT_MIN + 1; int main() { volatile int i; ll_to_int ((long long)val, &i); if (i != val) abort (); exit (0); }