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Implement _Qp_sqrt. I've been unable to find a C program that gcc generates

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a call to this for, but apparently somehing in libstdc++ does.
This commit is contained in:
jake 2002-06-04 17:02:27 +00:00
parent 71a01dad7b
commit 4c4cc525a8
1 changed files with 14 additions and 0 deletions
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14
lib/libc/sparc64/fpu/fpu_qp.c
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@ -108,6 +108,20 @@ _Qp_f ## name(u_int *a, u_int *b) \
return (test(FSR_GET_FCC0(fe.fe_fsr))); \
}
void _Qp_sqrt(u_int *c, u_int *a);
void
_Qp_sqrt(u_int *c, u_int *a)
{
struct fpemu fe;
struct fpn *r;
__asm __volatile("stx %%fsr, %0" : "=m" (fe.fe_fsr) :);
fe.fe_f1.fp_sign = a[0] >> 31;
fe.fe_f1.fp_sticky = 0;
fe.fe_f1.fp_class = __fpu_qtof(&fe.fe_f1, a[0], a[1], a[2], a[3]);
r = __fpu_sqrt(&fe);
c[0] = __fpu_ftoq(&fe, r, c);
}
_QP_OP(add)
_QP_OP(div)
_QP_OP(mul)