diff options
Diffstat (limited to 'fpu')
| -rw-r--r-- | fpu/softfloat.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fpu/softfloat.c b/fpu/softfloat.c index 4610738ab1..2ba36ec370 100644 --- a/fpu/softfloat.c +++ b/fpu/softfloat.c @@ -1596,6 +1596,9 @@ float32_muladd(float32 xa, float32 xb, float32 xc, int flags, float_status *s) } ur.h = up.h + uc.h; } else { + union_float32 ua_orig = ua; + union_float32 uc_orig = uc; + if (flags & float_muladd_negate_product) { ua.h = -ua.h; } @@ -1608,6 +1611,8 @@ float32_muladd(float32 xa, float32 xb, float32 xc, int flags, float_status *s) if (unlikely(f32_is_inf(ur))) { s->float_exception_flags |= float_flag_overflow; } else if (unlikely(fabsf(ur.h) <= FLT_MIN)) { + ua = ua_orig; + uc = uc_orig; goto soft; } } @@ -1662,6 +1667,9 @@ float64_muladd(float64 xa, float64 xb, float64 xc, int flags, float_status *s) } ur.h = up.h + uc.h; } else { + union_float64 ua_orig = ua; + union_float64 uc_orig = uc; + if (flags & float_muladd_negate_product) { ua.h = -ua.h; } @@ -1674,6 +1682,8 @@ float64_muladd(float64 xa, float64 xb, float64 xc, int flags, float_status *s) if (unlikely(f64_is_inf(ur))) { s->float_exception_flags |= float_flag_overflow; } else if (unlikely(fabs(ur.h) <= FLT_MIN)) { + ua = ua_orig; + uc = uc_orig; goto soft; } } |