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Fix bugs and have emulator emulate itself

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This commit is contained in:
Justine Tunney 2020-08-31 05:17:31 -07:00
parent 5aabacb361
commit bd29223891
111 changed files with 1283 additions and 2073 deletions
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12
libc/intrin/shufps.c
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@ -18,20 +18,18 @@
│ 02110-1301 USA │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/intrin/shufps.h"
#include "libc/str/str.h"
/**
* Shuffles float vector.
* @param 𝑚 needs to be a literal, constexpr, or embedding
* @mayalias
*/
void(shufps)(float b[4], const float a[4], uint8_t m) {
void(shufps)(float c[4], const float b[4], const float a[4], uint8_t m) {
float t[4];
t[0] = a[(m & 0b00000011) >> 0];
t[1] = a[(m & 0b00001100) >> 2];
t[0] = b[(m & 0b00000011) >> 0];
t[1] = b[(m & 0b00001100) >> 2];
t[2] = a[(m & 0b00110000) >> 4];
t[3] = a[(m & 0b11000000) >> 6];
b[0] = t[0];
b[1] = t[1];
b[2] = t[2];
b[3] = t[3];
memcpy(c, t, 16);
}