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Add chibicc

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This program popped up on Hacker News recently. It's the only modern
compiler I've ever seen that doesn't have dependencies and is easily
modified. So I added all of the missing GNU extensions I like to use
which means it might be possible soon to build on non-Linux and have
third party not vendor gcc binaries.
This commit is contained in:
Justine Tunney 2020-12-05 12:20:41 -08:00
parent e44a0cf6f8
commit 8da931a7f6
298 changed files with 19493 additions and 11950 deletions
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5
tool/decode/x87.c
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@ -22,7 +22,7 @@
#include "libc/stdio/stdio.h"
#include "libc/str/str.h"
#include "libc/x/x.h"
#include "third_party/dtoa/dtoa.h"
#include "third_party/gdtoa/gdtoa.h"
const char kConfig[] = "\
/* FPU Control Word (x87) Exception Masks\n\
@ -73,7 +73,8 @@ void PrintRegister(long double x) {
memcpy(buf, &x, sizeof(x));
memcpy(&lo, &buf[0], sizeof(lo));
memcpy(&hi, &buf[8], sizeof(hi));
printf("/\t%016lb%064lb %s\n", hi, lo, g_fmt(buf, x));
g_xfmt_p(buf, &x, 15, 32, 0);
printf("/\t%016lb%064lb %s\n", hi, lo, buf);
}
int main(int argc, char *argv[]) {