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Remove undefined behaviors

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This commit is contained in:
Justine Tunney 2021-05-16 11:16:28 -07:00
parent 4864565198
commit b3838173ec
51 changed files with 756 additions and 1302 deletions
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9
libc/intrin/psradv.c
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@ -25,15 +25,10 @@
* @mayalias
*/
void(psradv)(int32_t a[4], const int32_t b[4], const uint64_t c[2]) {
unsigned i;
unsigned char k;
unsigned i, x, m;
k = c[0] > 31 ? 31 : c[0];
for (i = 0; i < 4; ++i) {
m = 0;
x = b[i];
if (x & 0x80000000u) m = ~(0xffffffffu >> k);
x >>= k;
x |= m;
a[i] = x & 0xffffffffu;
a[i] = b[i] >> k;
}
}