glibc/sysdeps/alpha/divrem.m4
1993-12-23 06:27:57 +00:00

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/* 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 <regdef.h>
define(path, `SYSDEP_DIR/macros.m4')dnl
include(path)
FUNC__(OP)
! First set up the dividend.
EXTEND(t10)
stq t10,0(sp)
ldt $f10,0(sp)
cvtqt $f10,$f10
ADJQU($f10)
! Then set up the divisor.
EXTEND(t11)
stq t11,0(sp)
ldt $f1,0(sp)
cvtqt $f1,$f1
ADJQU($f1)
! Do the division.
divt $f10,$f1,$f10
cvttqc $f10,$f10
! Put the result in t12.
stt $f10,0(sp)
ldq t12,0(sp)
FULLEXTEND(t12)
DOREM
lda sp,16(sp)
ret zero,(t9),1
.end NAME__(OP)