diff options
Diffstat (limited to 'src/core/arm')
-rw-r--r-- | src/core/arm/skyeye_common/vfp/vfp_helper.h | 4 | ||||
-rw-r--r-- | src/core/arm/skyeye_common/vfp/vfpdouble.cpp | 40 | ||||
-rw-r--r-- | src/core/arm/skyeye_common/vfp/vfpsingle.cpp | 41 |
3 files changed, 57 insertions, 28 deletions
diff --git a/src/core/arm/skyeye_common/vfp/vfp_helper.h b/src/core/arm/skyeye_common/vfp/vfp_helper.h index c66a3fad4..68714800c 100644 --- a/src/core/arm/skyeye_common/vfp/vfp_helper.h +++ b/src/core/arm/skyeye_common/vfp/vfp_helper.h @@ -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); diff --git a/src/core/arm/skyeye_common/vfp/vfpdouble.cpp b/src/core/arm/skyeye_common/vfp/vfpdouble.cpp index 0182b90b8..580e60c85 100644 --- a/src/core/arm/skyeye_common/vfp/vfpdouble.cpp +++ b/src/core/arm/skyeye_common/vfp/vfpdouble.cpp @@ -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[] = { diff --git a/src/core/arm/skyeye_common/vfp/vfpsingle.cpp b/src/core/arm/skyeye_common/vfp/vfpsingle.cpp index 5fb6b51ec..23e0cdf26 100644 --- a/src/core/arm/skyeye_common/vfp/vfpsingle.cpp +++ b/src/core/arm/skyeye_common/vfp/vfpsingle.cpp @@ -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[] = { |