Make further progress on non-x86 support

This commit is contained in:
Justine Tunney 2023-05-08 21:38:30 -07:00
parent aef9a69a60
commit 036b9a0002
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GPG key ID: BE714B4575D6E328
155 changed files with 2307 additions and 653 deletions

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@ -18,6 +18,21 @@
*/
#include "libc/math.h"
/**
* Rounds to nearest integer.
*/
long lrintf(float x) {
return rintf(x);
long res;
#ifdef __x86_64__
asm("cvtss2si\t%1,%0" : "=res"(res) : "x"(x));
#elif defined(__aarch64__)
asm("frintx\t%s1,%s1\n\t"
"fcvtzs\t%x0,%s1"
: "=r"(res), "+w"(x));
#elif defined(__powerpc64__)
asm("fctid\t%0,%1" : "=d"(res) : "f"(x));
#else
res = rintf(x);
#endif /* __x86_64__ */
return res;
}