diff options
| author |  Lioncash <mathew1800@gmail.com> | 2015-02-10 08:16:26 -0500 |
|---|---|---|
| committer | Lioncash <mathew1800@gmail.com> | 2015-02-10 08:16:26 -0500 |
| commit | a86d5e2752ffc4a89e4f92a9cb6f00aa3f267e17 (patch) | |
| tree | c252966c0e57267d1207791736b207caf52625df /src/core/arm/skyeye_common/vfp/vfpdouble.cpp | |
| parent | eb83ac48aa40ab932a68eb9bbae52b471b49668a (diff) | |
vfp: Normalize accumulator for multiply accumulate instructions
Diffstat (limited to 'src/core/arm/skyeye_common/vfp/vfpdouble.cpp')
| -rw-r--r-- | src/core/arm/skyeye_common/vfp/vfpdouble.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/core/arm/skyeye_common/vfp/vfpdouble.cpp b/src/core/arm/skyeye_common/vfp/vfpdouble.cpp index 2c15db12..9a708808 100644 --- a/src/core/arm/skyeye_common/vfp/vfpdouble.cpp +++ b/src/core/arm/skyeye_common/vfp/vfpdouble.cpp @@ -908,6 +908,9 @@ vfp_double_multiply_accumulate(ARMul_State* state, int dd, int dn, int dm, u32 f vdp.sign = vfp_sign_negate(vdp.sign); vfp_double_unpack(&vdn, vfp_get_double(state, dd)); + if (vdn.exponent == 0 && vdn.significand != 0) + vfp_double_normalise_denormal(&vdn); + if (negate & NEG_SUBTRACT) vdn.sign = vfp_sign_negate(vdn.sign); |