Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.c-torture/execute/pr63209.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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static int Sub(int a, int b) { return b -a; } static unsigned Select(unsigned a, unsigned b, unsigned c) { const int pa_minus_pb = Sub((a >> 8) & 0xff, (b >> 8) & 0xff) + Sub((a >> 0) & 0xff, (b >> 0) & 0xff); return (pa_minus_pb <= 0) ? a : b; } __attribute__((noinline)) unsigned Predictor(unsigned left, const unsigned* const top) { const unsigned pred = Select(top[1], left, top[0]); return pred; } int main(void) { const unsigned top[2] = {0xff7a7a7a, 0xff7a7a7a}; const unsigned left = 0xff7b7b7b; const unsigned pred = Predictor(left, top /*+ 1*/); if (pred == left) return 0; return 1; }