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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/psllwv.c
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@ -17,6 +17,7 @@
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/intrin/psllw.h"
#include "libc/str/str.h"
/**
* Multiplies shorts by two power.
@ -25,13 +26,11 @@
*/
void(psllwv)(uint16_t a[8], const uint16_t b[8], const uint64_t c[2]) {
unsigned i;
if (c[0] > 15) {
for (i = 0; i < 8; ++i) {
a[i] = 0;
}
} else {
if (c[0] < 16) {
for (i = 0; i < 8; ++i) {
a[i] = b[i] << c[0];
}
} else {
memset(a, 0, 16);
}
}