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Make improvements

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- Introduce portable sched_getcpu() api
- Support GCC's __target_clones__ feature
- Make fma() go faster on x86 in default mode
- Remove some asan checks from core libraries
- WinMain() now ensures $HOME and $USER are defined
This commit is contained in:
Justine Tunney 2024-02-01 03:39:46 -08:00
parent d5225a693b
commit 2ab9e9f7fd
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GPG key ID: BE714B4575D6E328
192 changed files with 2809 additions and 932 deletions
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5
libc/str/strcasestr.c
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@ -18,7 +18,6 @@
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/str/str.h"
#include "libc/dce.h"
#include "libc/intrin/asan.internal.h"
#include "libc/str/tab.internal.h"
typedef char xmm_t __attribute__((__vector_size__(16), __aligned__(16)));
@ -35,15 +34,13 @@ typedef char xmm_t __attribute__((__vector_size__(16), __aligned__(16)));
* @asyncsignalsafe
* @see strstr()
*/
char *strcasestr(const char *haystack, const char *needle) {
__vex char *strcasestr(const char *haystack, const char *needle) {
#if defined(__x86_64__) && !defined(__chibicc__)
char c;
size_t i;
unsigned k, m;
const xmm_t *p;
xmm_t v, n1, n2, z = {0};
if (IsAsan()) __asan_verify(needle, 1);
if (IsAsan()) __asan_verify(haystack, 1);
if (haystack == needle || !*needle) return (char *)haystack;
c = *needle;
n1 = (xmm_t){c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c};