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author | Jannik Vogel <email@jannikvogel.de> | 2016-05-16 10:55:00 +0200 |
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committer | Jannik Vogel <email@jannikvogel.de> | 2016-05-18 15:24:42 +0200 |
commit | 7dde13f87544c59807436e2eefe0f1b65fad841c (patch) | |
tree | 2cace6621980d9499decddee45ba9fc3e0617061 /src/core/arm/skyeye_common/vfp/vfpdouble.cpp | |
parent | Merge pull request #1814 from JayFoxRox/fix-read-after-write (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/core/arm/skyeye_common/vfp/vfpdouble.cpp | 65 |
1 files changed, 34 insertions, 31 deletions
diff --git a/src/core/arm/skyeye_common/vfp/vfpdouble.cpp b/src/core/arm/skyeye_common/vfp/vfpdouble.cpp index 45914d479..0182b90b8 100644 --- a/src/core/arm/skyeye_common/vfp/vfpdouble.cpp +++ b/src/core/arm/skyeye_common/vfp/vfpdouble.cpp @@ -291,8 +291,9 @@ static u32 vfp_double_fsqrt(ARMul_State* state, int dd, int unused, int dm, u32 LOG_TRACE(Core_ARM11, "In %s", __FUNCTION__); vfp_double vdm, vdd, *vdp; int ret, tm; + u32 exceptions = 0; - vfp_double_unpack(&vdm, vfp_get_double(state, dm), &fpscr); + exceptions |= vfp_double_unpack(&vdm, vfp_get_double(state, dm), fpscr); tm = vfp_double_type(&vdm); if (tm & (VFP_NAN|VFP_INFINITY)) { @@ -369,7 +370,9 @@ sqrt_invalid: } vdd.significand = vfp_shiftright64jamming(vdd.significand, 1); - return vfp_double_normaliseround(state, dd, &vdd, fpscr, 0, "fsqrt"); + exceptions |= vfp_double_normaliseround(state, dd, &vdd, fpscr, 0, "fsqrt"); + + return exceptions; } /* @@ -475,7 +478,7 @@ static u32 vfp_double_fcvts(ARMul_State* state, int sd, int unused, int dm, u32 u32 exceptions = 0; LOG_TRACE(Core_ARM11, "In %s", __FUNCTION__); - vfp_double_unpack(&vdm, vfp_get_double(state, dm), &fpscr); + exceptions |= vfp_double_unpack(&vdm, vfp_get_double(state, dm), fpscr); tm = vfp_double_type(&vdm); @@ -545,7 +548,7 @@ static u32 vfp_double_ftoui(ARMul_State* state, int sd, int unused, int dm, u32 int tm; LOG_TRACE(Core_ARM11, "In %s", __FUNCTION__); - vfp_double_unpack(&vdm, vfp_get_double(state, dm), &fpscr); + exceptions |= vfp_double_unpack(&vdm, vfp_get_double(state, dm), fpscr); /* * Do we have a denormalised number? @@ -626,7 +629,7 @@ static u32 vfp_double_ftosi(ARMul_State* state, int sd, int unused, int dm, u32 int tm; LOG_TRACE(Core_ARM11, "In %s", __FUNCTION__); - vfp_double_unpack(&vdm, vfp_get_double(state, dm), &fpscr); + exceptions |= vfp_double_unpack(&vdm, vfp_get_double(state, dm), fpscr); vfp_double_dump("VDM", &vdm); /* @@ -892,21 +895,21 @@ static u32 vfp_double_multiply_accumulate(ARMul_State* state, int dd, int dn, int dm, u32 fpscr, u32 negate, const char *func) { struct vfp_double vdd, vdp, vdn, vdm; - u32 exceptions; + u32 exceptions = 0; - vfp_double_unpack(&vdn, vfp_get_double(state, dn), &fpscr); + exceptions |= vfp_double_unpack(&vdn, vfp_get_double(state, dn), fpscr); if (vdn.exponent == 0 && vdn.significand) vfp_double_normalise_denormal(&vdn); - vfp_double_unpack(&vdm, vfp_get_double(state, dm), &fpscr); + exceptions |= vfp_double_unpack(&vdm, vfp_get_double(state, dm), fpscr); if (vdm.exponent == 0 && vdm.significand) vfp_double_normalise_denormal(&vdm); - exceptions = vfp_double_multiply(&vdp, &vdn, &vdm, fpscr); + exceptions |= vfp_double_multiply(&vdp, &vdn, &vdm, fpscr); if (negate & NEG_MULTIPLY) vdp.sign = vfp_sign_negate(vdp.sign); - vfp_double_unpack(&vdn, vfp_get_double(state, dd), &fpscr); + exceptions |= vfp_double_unpack(&vdn, vfp_get_double(state, dd), fpscr); if (vdn.exponent == 0 && vdn.significand != 0) vfp_double_normalise_denormal(&vdn); @@ -964,18 +967,18 @@ static u32 vfp_double_fnmsc(ARMul_State* state, int dd, int dn, int dm, u32 fpsc static u32 vfp_double_fmul(ARMul_State* state, int dd, int dn, int dm, u32 fpscr) { struct vfp_double vdd, vdn, vdm; - u32 exceptions; + u32 exceptions = 0; LOG_TRACE(Core_ARM11, "In %s", __FUNCTION__); - vfp_double_unpack(&vdn, vfp_get_double(state, dn), &fpscr); + exceptions |= vfp_double_unpack(&vdn, vfp_get_double(state, dn), fpscr); if (vdn.exponent == 0 && vdn.significand) vfp_double_normalise_denormal(&vdn); - vfp_double_unpack(&vdm, vfp_get_double(state, dm), &fpscr); + exceptions |= vfp_double_unpack(&vdm, vfp_get_double(state, dm), fpscr); if (vdm.exponent == 0 && vdm.significand) vfp_double_normalise_denormal(&vdm); - exceptions = vfp_double_multiply(&vdd, &vdn, &vdm, fpscr); + exceptions |= vfp_double_multiply(&vdd, &vdn, &vdm, fpscr); return vfp_double_normaliseround(state, dd, &vdd, fpscr, exceptions, "fmul"); } @@ -985,18 +988,18 @@ static u32 vfp_double_fmul(ARMul_State* state, int dd, int dn, int dm, u32 fpscr static u32 vfp_double_fnmul(ARMul_State* state, int dd, int dn, int dm, u32 fpscr) { struct vfp_double vdd, vdn, vdm; - u32 exceptions; + u32 exceptions = 0; LOG_TRACE(Core_ARM11, "In %s", __FUNCTION__); - vfp_double_unpack(&vdn, vfp_get_double(state, dn), &fpscr); + exceptions |= vfp_double_unpack(&vdn, vfp_get_double(state, dn), fpscr); if (vdn.exponent == 0 && vdn.significand) vfp_double_normalise_denormal(&vdn); - vfp_double_unpack(&vdm, vfp_get_double(state, dm), &fpscr); + exceptions |= vfp_double_unpack(&vdm, vfp_get_double(state, dm), fpscr); if (vdm.exponent == 0 && vdm.significand) vfp_double_normalise_denormal(&vdm); - exceptions = vfp_double_multiply(&vdd, &vdn, &vdm, fpscr); + 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"); @@ -1008,18 +1011,18 @@ static u32 vfp_double_fnmul(ARMul_State* state, int dd, int dn, int dm, u32 fpsc static u32 vfp_double_fadd(ARMul_State* state, int dd, int dn, int dm, u32 fpscr) { struct vfp_double vdd, vdn, vdm; - u32 exceptions; + u32 exceptions = 0; LOG_TRACE(Core_ARM11, "In %s", __FUNCTION__); - vfp_double_unpack(&vdn, vfp_get_double(state, dn), &fpscr); + exceptions |= vfp_double_unpack(&vdn, vfp_get_double(state, dn), fpscr); if (vdn.exponent == 0 && vdn.significand) vfp_double_normalise_denormal(&vdn); - vfp_double_unpack(&vdm, vfp_get_double(state, dm), &fpscr); + exceptions |= vfp_double_unpack(&vdm, vfp_get_double(state, dm), fpscr); if (vdm.exponent == 0 && vdm.significand) vfp_double_normalise_denormal(&vdm); - exceptions = vfp_double_add(&vdd, &vdn, &vdm, fpscr); + exceptions |= vfp_double_add(&vdd, &vdn, &vdm, fpscr); return vfp_double_normaliseround(state, dd, &vdd, fpscr, exceptions, "fadd"); } @@ -1030,14 +1033,14 @@ static u32 vfp_double_fadd(ARMul_State* state, int dd, int dn, int dm, u32 fpscr static u32 vfp_double_fsub(ARMul_State* state, int dd, int dn, int dm, u32 fpscr) { struct vfp_double vdd, vdn, vdm; - u32 exceptions; + u32 exceptions = 0; LOG_TRACE(Core_ARM11, "In %s", __FUNCTION__); - vfp_double_unpack(&vdn, vfp_get_double(state, dn), &fpscr); + exceptions |= vfp_double_unpack(&vdn, vfp_get_double(state, dn), fpscr); if (vdn.exponent == 0 && vdn.significand) vfp_double_normalise_denormal(&vdn); - vfp_double_unpack(&vdm, vfp_get_double(state, dm), &fpscr); + exceptions |= vfp_double_unpack(&vdm, vfp_get_double(state, dm), fpscr); if (vdm.exponent == 0 && vdm.significand) vfp_double_normalise_denormal(&vdm); @@ -1046,7 +1049,7 @@ static u32 vfp_double_fsub(ARMul_State* state, int dd, int dn, int dm, u32 fpscr */ vdm.sign = vfp_sign_negate(vdm.sign); - exceptions = vfp_double_add(&vdd, &vdn, &vdm, fpscr); + exceptions |= vfp_double_add(&vdd, &vdn, &vdm, fpscr); return vfp_double_normaliseround(state, dd, &vdd, fpscr, exceptions, "fsub"); } @@ -1061,8 +1064,8 @@ static u32 vfp_double_fdiv(ARMul_State* state, int dd, int dn, int dm, u32 fpscr int tm, tn; LOG_TRACE(Core_ARM11, "In %s", __FUNCTION__); - vfp_double_unpack(&vdn, vfp_get_double(state, dn), &fpscr); - vfp_double_unpack(&vdm, vfp_get_double(state, dm), &fpscr); + exceptions |= vfp_double_unpack(&vdn, vfp_get_double(state, dn), fpscr); + exceptions |= vfp_double_unpack(&vdm, vfp_get_double(state, dm), fpscr); vdd.sign = vdn.sign ^ vdm.sign; @@ -1134,13 +1137,13 @@ static u32 vfp_double_fdiv(ARMul_State* state, int dd, int dn, int dm, u32 fpscr return vfp_double_normaliseround(state, dd, &vdd, fpscr, 0, "fdiv"); vdn_nan: - exceptions = vfp_propagate_nan(&vdd, &vdn, &vdm, fpscr); + exceptions |= vfp_propagate_nan(&vdd, &vdn, &vdm, fpscr); pack: vfp_put_double(state, vfp_double_pack(&vdd), dd); return exceptions; vdm_nan: - exceptions = vfp_propagate_nan(&vdd, &vdm, &vdn, fpscr); + exceptions |= vfp_propagate_nan(&vdd, &vdm, &vdn, fpscr); goto pack; zero: @@ -1149,7 +1152,7 @@ zero: goto pack; divzero: - exceptions = FPSCR_DZC; + exceptions |= FPSCR_DZC; infinity: vdd.exponent = 2047; vdd.significand = 0; |