glibc/sysdeps/alpha/divqu.S

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1995-02-18 01:27:10 +00:00
/* This file is generated from divrem.m4; DO NOT EDIT! */
/* For each N divided by D, we do:
result = (double) N / (double) D
Then, for each N mod D, we do:
result = N - (D * divMODE (N, D))
FIXME:
The q and qu versions won't deal with operands > 50 bits. We also
don't check for divide by zero. */
#include "DEFS.h"
#if 0
/* We do not handle div by zero yet. */
#include <machine/pal.h>
#endif
#include <sysdep.h>
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/* Avoid the definition of ret that we set in the alpha sysdep.h. */
#undef ret
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FUNC__(divqu)
/* First set up the dividend. */
stq t10,0(sp)
ldt $f10,0(sp)
cvtqt $f10,$f10
ldit $f26, 18446744073709551616.0
addt $f26, $f10, $f26
fcmovlt $f10, $f26, $f10
/* Then set up the divisor. */
stq t11,0(sp)
ldt $f1,0(sp)
cvtqt $f1,$f1
ldit $f26, 18446744073709551616.0
addt $f26, $f1, $f26
fcmovlt $f1, $f26, $f1
/* Do the division. */
divt $f10,$f1,$f10
cvttqc $f10,$f10
/* Put the result in t12. */
stt $f10,0(sp)
ldq t12,0(sp)
lda sp,16(sp)
ret zero,(t9),1
.end NAME__(divqu)