mirrors/cosmopolitan
1
0
Fork 0
mirror of https://github.com/jart/cosmopolitan.git synced 2025-07-06 11:18:30 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Work on magic numbers for aarch64

Browse source
This commit is contained in:
Justine Tunney 2023-05-10 01:10:28 -07:00
parent 59766efd3e
commit 5a455eaa0b
No known key found for this signature in database
GPG key ID: BE714B4575D6E328
2070 changed files with 4567 additions and 4200 deletions
Download patch file Download diff file Expand all files Collapse all files

6
libc/str/getzipcdir.c
View file

@ -39,13 +39,13 @@ typedef long long v2di __attribute__((__vector_size__(16), __aligned__(1)));
void *GetZipCdir(const uint8_t *p, size_t n) {
v2di x;
size_t i, j;
v8hi pk = {READ16LE("PK"), READ16LE("PK"), READ16LE("PK"), READ16LE("PK"),
READ16LE("PK"), READ16LE("PK"), READ16LE("PK"), READ16LE("PK")};
uint32_t magic;
i = n - 4;
asm("" : "+x"(pk));
do {
#ifdef __x86_64__
v8hi pk = {READ16LE("PK"), READ16LE("PK"), READ16LE("PK"), READ16LE("PK"),
READ16LE("PK"), READ16LE("PK"), READ16LE("PK"), READ16LE("PK")};
asm("" : "+x"(pk));
if (i >= 14) {
x = *(const v2di *)(p + i - 14);
if (!(__builtin_ia32_pmovmskb128(