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Make fixes, improvements, and chibicc python bindings

Browse source 
- python now mixes audio 10x faster
- python octal notation is restored
- chibicc now builds code 3x faster
- chibicc now has help documentation
- chibicc can now generate basic python bindings
- linenoise now supports some paredit-like features

See #141
This commit is contained in:
Justine Tunney 2021-10-08 08:11:51 -07:00
parent 28997f3acb
commit 7061c79c22
121 changed files with 5272 additions and 1928 deletions
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6
libc/str/strstr.c
View file

@ -49,14 +49,12 @@ noasan char *strstr(const char *haystack, const char *needle) {
k = (uintptr_t)haystack & 15;
p = (const xmm_t *)((uintptr_t)haystack & -16);
v = *p;
m = __builtin_ia32_pmovmskb128(__builtin_ia32_pcmpeqb128(v, z) |
__builtin_ia32_pcmpeqb128(v, n));
m = __builtin_ia32_pmovmskb128((v == z) | (v == n));
m >>= k;
m <<= k;
while (!m) {
v = *++p;
m = __builtin_ia32_pmovmskb128(__builtin_ia32_pcmpeqb128(v, z) |
__builtin_ia32_pcmpeqb128(v, n));
m = __builtin_ia32_pmovmskb128((v == z) | (v == n));
}
haystack = (const char *)p + __builtin_ctzl(m);
for (i = 0;; ++i) {