* ===========================================================================
*/
#include <linux/kernel.h>
-#include <asm/bitops.h>
+#include <linux/bitops.h>
+
+#include <asm/div64.h>
#include <asm/ptrace.h>
#include <asm/vfp.h>
/*
* If one was a signalling NAN, raise invalid operation.
*/
- return tn == VFP_SNAN || tm == VFP_SNAN ? FPSCR_IOC : 0x100;
+ return tn == VFP_SNAN || tm == VFP_SNAN ? FPSCR_IOC : VFP_NAN_FLAG;
}
if (z <= a)
return (s32)a >> 1;
}
- return (u32)(((u64)a << 31) / z) + (z >> 1);
+ {
+ u64 v = (u64)a << 31;
+ do_div(v, z);
+ return v + (z >> 1);
+ }
}
static u32 vfp_single_fsqrt(int sd, int unused, s32 m, u32 fpscr)
struct vfp_single vsm;
u32 d, exceptions = 0;
int rmode = fpscr & FPSCR_RMODE_MASK;
+ int tm;
vfp_single_unpack(&vsm, m);
vfp_single_dump("VSM", &vsm);
/*
* Do we have a denormalised number?
*/
+ tm = vfp_single_type(&vsm);
if (vfp_single_type(&vsm) & VFP_DENORMAL)
exceptions |= FPSCR_IDC;
- if (vsm.exponent >= 127 + 32) {
+ if (tm & VFP_NAN) {
+ d = 0;
+ exceptions |= FPSCR_IOC;
+ } else if (vsm.exponent >= 127 + 32) {
/*
* m >= 2^31-2^7: invalid
*/
vsn.significand >>= 1;
vsd.exponent++;
}
- vsd.significand = ((u64)vsn.significand << 32) / vsm.significand;
+ {
+ u64 significand = (u64)vsn.significand << 32;
+ do_div(significand, vsm.significand);
+ vsd.significand = significand;
+ }
if ((vsd.significand & 0x3f) == 0)
vsd.significand |= ((u64)vsm.significand * vsd.significand != (u64)vsn.significand << 32);
pr_debug("VFP: vecstride=%u veclen=%u\n", vecstride,
(veclen >> FPSCR_LENGTH_BIT) + 1);
- fop = (op == FOP_EXT) ? fop_extfns[sn] : fop_fns[FOP_TO_IDX(op)];
+ fop = (op == FOP_EXT) ? fop_extfns[FEXT_TO_IDX(inst)] : fop_fns[FOP_TO_IDX(op)];
if (!fop)
goto invalid;