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author | Subv <subv2112@gmail.com> | 2017-05-08 21:34:16 +0200 |
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committer | Subv <subv2112@gmail.com> | 2017-05-08 21:34:16 +0200 |
commit | b1a29371c9955a79bb9353043532316516512334 (patch) | |
tree | 43ad3f9af9574cb4f615c06a2ac483820be3149d /src/core/arm/skyeye_common/vfp/vfpdouble.cpp | |
parent | Merge pull request #2682 from nicoboss/filter (diff) | |
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Diffstat (limited to 'src/core/arm/skyeye_common/vfp/vfpdouble.cpp')
-rw-r--r-- | src/core/arm/skyeye_common/vfp/vfpdouble.cpp | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/core/arm/skyeye_common/vfp/vfpdouble.cpp b/src/core/arm/skyeye_common/vfp/vfpdouble.cpp index 2886f351f..49c192dd3 100644 --- a/src/core/arm/skyeye_common/vfp/vfpdouble.cpp +++ b/src/core/arm/skyeye_common/vfp/vfpdouble.cpp @@ -135,6 +135,21 @@ u32 vfp_double_normaliseround(ARMul_State* state, int dd, struct vfp_double* vd, #endif if (!(significand & ((1ULL << (VFP_DOUBLE_LOW_BITS + 1)) - 1))) underflow = 0; + + int type = vfp_double_type(vd); + + if ((type & VFP_DENORMAL) && (fpscr & FPSCR_FLUSH_TO_ZERO)) { + // Flush denormal to positive 0 + exponent = 0; + significand = 0; + + vd->sign = 0; + vd->exponent = exponent; + vd->significand = significand; + + underflow = 0; + exceptions |= FPSCR_UFC; + } } /* |