Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.c-torture/execute/pr84524.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 | 84e7813d76e9 |
children |
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/* PR target/84524 */ __attribute__((noipa)) void foo (unsigned short *x) { unsigned short i, v; unsigned char j; for (i = 0; i < 256; i++) { v = i << 8; for (j = 0; j < 8; j++) if (v & 0x8000) v = (v << 1) ^ 0x1021; else v = v << 1; x[i] = v; } } int main () { unsigned short a[256]; foo (a); for (int i = 0; i < 256; i++) { unsigned short v = i << 8; for (int j = 0; j < 8; j++) { asm volatile ("" : "+r" (v)); if (v & 0x8000) v = (v << 1) ^ 0x1021; else v = v << 1; } if (a[i] != v) __builtin_abort (); } return 0; }