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Remove exceptions parameter from normaliseround VFP functions

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This commit is contained in:
Jannik Vogel 2016-05-18 15:12:31 +02:00
parent 693cca8f1f
commit edf30d84cc
3 changed files with 57 additions and 28 deletions
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4
src/core/arm/skyeye_common/vfp/vfp_helper.h
View file

@ -304,7 +304,7 @@ inline s32 vfp_single_pack(const vfp_single* s)
}
u32 vfp_single_normaliseround(ARMul_State* state, int sd, vfp_single* vs, u32 fpscr, u32 exceptions, const char* func);
u32 vfp_single_normaliseround(ARMul_State* state, int sd, vfp_single* vs, u32 fpscr, const char* func);
// Double-precision
struct vfp_double {
@ -451,4 +451,4 @@ inline u32 fls(u32 x)
u32 vfp_double_multiply(vfp_double* vdd, vfp_double* vdn, vfp_double* vdm, u32 fpscr);
u32 vfp_double_add(vfp_double* vdd, vfp_double* vdn, vfp_double *vdm, u32 fpscr);
u32 vfp_double_normaliseround(ARMul_State* state, int dd, vfp_double* vd, u32 fpscr, u32 exceptions, const char* func);
u32 vfp_double_normaliseround(ARMul_State* state, int dd, vfp_double* vd, u32 fpscr, const char* func);

40
src/core/arm/skyeye_common/vfp/vfpdouble.cpp
View file

@ -85,11 +85,12 @@ static void vfp_double_normalise_denormal(struct vfp_double *vd)
vfp_double_dump("normalise_denormal: out", vd);
}
u32 vfp_double_normaliseround(ARMul_State* state, int dd, struct vfp_double *vd, u32 fpscr, u32 exceptions, const char *func)
u32 vfp_double_normaliseround(ARMul_State* state, int dd, struct vfp_double *vd, u32 fpscr, const char *func)
{
u64 significand, incr;
int exponent, shift, underflow;
u32 rmode;
u32 exceptions = 0;
vfp_double_dump("pack: in", vd);
@ -370,8 +371,7 @@ sqrt_invalid:
}
vdd.significand = vfp_shiftright64jamming(vdd.significand, 1);
exceptions |= vfp_double_normaliseround(state, dd, &vdd, fpscr, 0, "fsqrt");
exceptions |= vfp_double_normaliseround(state, dd, &vdd, fpscr, "fsqrt");
return exceptions;
}
@ -507,7 +507,8 @@ static u32 vfp_double_fcvts(ARMul_State* state, int sd, int unused, int dm, u32
else
vsd.exponent = vdm.exponent - (1023 - 127);
return vfp_single_normaliseround(state, sd, &vsd, fpscr, exceptions, "fcvts");
exceptions |= vfp_single_normaliseround(state, sd, &vsd, fpscr, "fcvts");
return exceptions;
pack_nan:
vfp_put_float(state, vfp_single_pack(&vsd), sd);
@ -517,6 +518,7 @@ pack_nan:
static u32 vfp_double_fuito(ARMul_State* state, int dd, int unused, int dm, u32 fpscr)
{
struct vfp_double vdm;
u32 exceptions = 0;
u32 m = vfp_get_float(state, dm);
LOG_TRACE(Core_ARM11, "In %s", __FUNCTION__);
@ -524,12 +526,14 @@ static u32 vfp_double_fuito(ARMul_State* state, int dd, int unused, int dm, u32
vdm.exponent = 1023 + 63 - 1;
vdm.significand = (u64)m;
return vfp_double_normaliseround(state, dd, &vdm, fpscr, 0, "fuito");
exceptions |= vfp_double_normaliseround(state, dd, &vdm, fpscr, "fuito");
return exceptions;
}
static u32 vfp_double_fsito(ARMul_State* state, int dd, int unused, int dm, u32 fpscr)
{
struct vfp_double vdm;
u32 exceptions = 0;
u32 m = vfp_get_float(state, dm);
LOG_TRACE(Core_ARM11, "In %s", __FUNCTION__);
@ -537,7 +541,8 @@ static u32 vfp_double_fsito(ARMul_State* state, int dd, int unused, int dm, u32
vdm.exponent = 1023 + 63 - 1;
vdm.significand = vdm.sign ? (~m + 1) : m;
return vfp_double_normaliseround(state, dd, &vdm, fpscr, 0, "fsito");
exceptions |= vfp_double_normaliseround(state, dd, &vdm, fpscr, "fsito");
return exceptions;
}
static u32 vfp_double_ftoui(ARMul_State* state, int sd, int unused, int dm, u32 fpscr)
@ -918,7 +923,8 @@ vfp_double_multiply_accumulate(ARMul_State* state, int dd, int dn, int dm, u32 f
exceptions |= vfp_double_add(&vdd, &vdn, &vdp, fpscr);
return vfp_double_normaliseround(state, dd, &vdd, fpscr, exceptions, func);
exceptions |= vfp_double_normaliseround(state, dd, &vdd, fpscr, func);
return exceptions;
}
/*
@ -979,7 +985,9 @@ static u32 vfp_double_fmul(ARMul_State* state, int dd, int dn, int dm, u32 fpscr
vfp_double_normalise_denormal(&vdm);
exceptions |= vfp_double_multiply(&vdd, &vdn, &vdm, fpscr);
return vfp_double_normaliseround(state, dd, &vdd, fpscr, exceptions, "fmul");
exceptions |= vfp_double_normaliseround(state, dd, &vdd, fpscr, "fmul");
return exceptions;
}
/*
@ -1002,7 +1010,8 @@ static u32 vfp_double_fnmul(ARMul_State* state, int dd, int dn, int dm, u32 fpsc
exceptions |= vfp_double_multiply(&vdd, &vdn, &vdm, fpscr);
vdd.sign = vfp_sign_negate(vdd.sign);
return vfp_double_normaliseround(state, dd, &vdd, fpscr, exceptions, "fnmul");
exceptions |= vfp_double_normaliseround(state, dd, &vdd, fpscr, "fnmul");
return exceptions;
}
/*
@ -1024,7 +1033,8 @@ static u32 vfp_double_fadd(ARMul_State* state, int dd, int dn, int dm, u32 fpscr
exceptions |= vfp_double_add(&vdd, &vdn, &vdm, fpscr);
return vfp_double_normaliseround(state, dd, &vdd, fpscr, exceptions, "fadd");
exceptions |= vfp_double_normaliseround(state, dd, &vdd, fpscr, "fadd");
return exceptions;
}
/*
@ -1051,7 +1061,8 @@ static u32 vfp_double_fsub(ARMul_State* state, int dd, int dn, int dm, u32 fpscr
exceptions |= vfp_double_add(&vdd, &vdn, &vdm, fpscr);
return vfp_double_normaliseround(state, dd, &vdd, fpscr, exceptions, "fsub");
exceptions |= vfp_double_normaliseround(state, dd, &vdd, fpscr, "fsub");
return exceptions;
}
/*
@ -1134,7 +1145,9 @@ static u32 vfp_double_fdiv(ARMul_State* state, int dd, int dn, int dm, u32 fpscr
}
vdd.significand |= (reml != 0);
}
return vfp_double_normaliseround(state, dd, &vdd, fpscr, 0, "fdiv");
exceptions |= vfp_double_normaliseround(state, dd, &vdd, fpscr, "fdiv");
return exceptions;
vdn_nan:
exceptions |= vfp_propagate_nan(&vdd, &vdn, &vdm, fpscr);
@ -1160,7 +1173,8 @@ infinity:
invalid:
vfp_put_double(state, vfp_double_pack(&vfp_double_default_qnan), dd);
return FPSCR_IOC;
exceptions |= FPSCR_IOC;
return exceptions;
}
static struct op fops[] = {

41
src/core/arm/skyeye_common/vfp/vfpsingle.cpp
View file

@ -89,10 +89,11 @@ static void vfp_single_normalise_denormal(struct vfp_single *vs)
}
u32 vfp_single_normaliseround(ARMul_State* state, int sd, struct vfp_single *vs, u32 fpscr, u32 exceptions, const char *func)
u32 vfp_single_normaliseround(ARMul_State* state, int sd, struct vfp_single *vs, u32 fpscr, const char *func)
{
u32 significand, incr, rmode;
int exponent, shift, underflow;
u32 exceptions = 0;
vfp_single_dump("pack: in", vs);
@ -409,8 +410,7 @@ sqrt_invalid:
}
vsd.significand = vfp_shiftright32jamming(vsd.significand, 1);
exceptions |= vfp_single_normaliseround(state, sd, &vsd, fpscr, 0, "fsqrt");
exceptions |= vfp_single_normaliseround(state, sd, &vsd, fpscr, "fsqrt");
return exceptions;
}
@ -535,7 +535,8 @@ static u32 vfp_single_fcvtd(ARMul_State* state, int dd, int unused, s32 m, u32 f
else
vdd.exponent = vsm.exponent + (1023 - 127);
return vfp_double_normaliseround(state, dd, &vdd, fpscr, exceptions, "fcvtd");
exceptions |= vfp_double_normaliseround(state, dd, &vdd, fpscr, "fcvtd");
return exceptions;
pack_nan:
vfp_put_double(state, vfp_double_pack(&vdd), dd);
@ -545,23 +546,27 @@ pack_nan:
static u32 vfp_single_fuito(ARMul_State* state, int sd, int unused, s32 m, u32 fpscr)
{
struct vfp_single vs;
u32 exceptions = 0;
vs.sign = 0;
vs.exponent = 127 + 31 - 1;
vs.significand = (u32)m;
return vfp_single_normaliseround(state, sd, &vs, fpscr, 0, "fuito");
exceptions |= vfp_single_normaliseround(state, sd, &vs, fpscr, "fuito");
return exceptions;
}
static u32 vfp_single_fsito(ARMul_State* state, int sd, int unused, s32 m, u32 fpscr)
{
struct vfp_single vs;
u32 exceptions = 0;
vs.sign = (m & 0x80000000) >> 16;
vs.exponent = 127 + 31 - 1;
vs.significand = vs.sign ? -m : m;
return vfp_single_normaliseround(state, sd, &vs, fpscr, 0, "fsito");
exceptions |= vfp_single_normaliseround(state, sd, &vs, fpscr, "fsito");
return exceptions;
}
static u32 vfp_single_ftoui(ARMul_State* state, int sd, int unused, s32 m, u32 fpscr)
@ -953,7 +958,8 @@ vfp_single_multiply_accumulate(ARMul_State* state, int sd, int sn, s32 m, u32 fp
exceptions |= vfp_single_add(&vsd, &vsn, &vsp, fpscr);
return vfp_single_normaliseround(state, sd, &vsd, fpscr, exceptions, func);
exceptions |= vfp_single_normaliseround(state, sd, &vsd, fpscr, func);
return exceptions;
}
/*
@ -965,8 +971,10 @@ vfp_single_multiply_accumulate(ARMul_State* state, int sd, int sn, s32 m, u32 fp
*/
static u32 vfp_single_fmac(ARMul_State* state, int sd, int sn, s32 m, u32 fpscr)
{
u32 exceptions = 0;
LOG_TRACE(Core_ARM11, "s%u = %08x", sn, sd);
return vfp_single_multiply_accumulate(state, sd, sn, m, fpscr, 0, "fmac");
exceptions |= vfp_single_multiply_accumulate(state, sd, sn, m, fpscr, 0, "fmac");
return exceptions;
}
/*
@ -1017,7 +1025,9 @@ static u32 vfp_single_fmul(ARMul_State* state, int sd, int sn, s32 m, u32 fpscr)
vfp_single_normalise_denormal(&vsm);
exceptions |= vfp_single_multiply(&vsd, &vsn, &vsm, fpscr);
return vfp_single_normaliseround(state, sd, &vsd, fpscr, exceptions, "fmul");
exceptions |= vfp_single_normaliseround(state, sd, &vsd, fpscr, "fmul");
return exceptions;
}
/*
@ -1041,7 +1051,9 @@ static u32 vfp_single_fnmul(ARMul_State* state, int sd, int sn, s32 m, u32 fpscr
exceptions |= vfp_single_multiply(&vsd, &vsn, &vsm, fpscr);
vsd.sign = vfp_sign_negate(vsd.sign);
return vfp_single_normaliseround(state, sd, &vsd, fpscr, exceptions, "fnmul");
exceptions |= vfp_single_normaliseround(state, sd, &vsd, fpscr, "fnmul");
return exceptions;
}
/*
@ -1068,7 +1080,8 @@ static u32 vfp_single_fadd(ARMul_State* state, int sd, int sn, s32 m, u32 fpscr)
exceptions |= vfp_single_add(&vsd, &vsn, &vsm, fpscr);
return vfp_single_normaliseround(state, sd, &vsd, fpscr, exceptions, "fadd");
exceptions |= vfp_single_normaliseround(state, sd, &vsd, fpscr, "fadd");
return exceptions;
}
/*
@ -1165,7 +1178,8 @@ static u32 vfp_single_fdiv(ARMul_State* state, int sd, int sn, s32 m, u32 fpscr)
if ((vsd.significand & 0x3f) == 0)
vsd.significand |= ((u64)vsm.significand * vsd.significand != (u64)vsn.significand << 32);
return vfp_single_normaliseround(state, sd, &vsd, fpscr, 0, "fdiv");
exceptions |= vfp_single_normaliseround(state, sd, &vsd, fpscr, "fdiv");
return exceptions;
vsn_nan:
exceptions |= vfp_propagate_nan(&vsd, &vsn, &vsm, fpscr);
@ -1191,7 +1205,8 @@ infinity:
invalid:
vfp_put_float(state, vfp_single_pack(&vfp_single_default_qnan), sd);
return FPSCR_IOC;
exceptions |= FPSCR_IOC;
return exceptions;
}
static struct op fops[] = {