diff options
| -rw-r--r-- | fpu/softfloat-parts.c.inc | 6 | ||||
| -rw-r--r-- | include/fpu/softfloat-types.h | 4 |
2 files changed, 7 insertions, 3 deletions
diff --git a/fpu/softfloat-parts.c.inc b/fpu/softfloat-parts.c.inc index a897a5a743..7f69da1d8f 100644 --- a/fpu/softfloat-parts.c.inc +++ b/fpu/softfloat-parts.c.inc @@ -176,13 +176,12 @@ static void partsN(uncanon)(FloatPartsN *p, float_status *s, g_assert_not_reached(); } + overflow_norm = false; switch (s->float_rounding_mode) { case float_round_nearest_even: - overflow_norm = false; inc = ((p->frac_lo & roundeven_mask) != frac_lsbm1 ? frac_lsbm1 : 0); break; case float_round_ties_away: - overflow_norm = false; inc = frac_lsbm1; break; case float_round_to_zero: @@ -199,6 +198,8 @@ static void partsN(uncanon)(FloatPartsN *p, float_status *s, break; case float_round_to_odd: overflow_norm = true; + /* fall through */ + case float_round_to_odd_inf: inc = p->frac_lo & frac_lsb ? 0 : round_mask; break; default: @@ -259,6 +260,7 @@ static void partsN(uncanon)(FloatPartsN *p, float_status *s, ? frac_lsbm1 : 0); break; case float_round_to_odd: + case float_round_to_odd_inf: inc = p->frac_lo & frac_lsb ? 0 : round_mask; break; default: diff --git a/include/fpu/softfloat-types.h b/include/fpu/softfloat-types.h index 8a3f20fae9..3b757c3d6a 100644 --- a/include/fpu/softfloat-types.h +++ b/include/fpu/softfloat-types.h @@ -134,8 +134,10 @@ typedef enum __attribute__((__packed__)) { float_round_up = 2, float_round_to_zero = 3, float_round_ties_away = 4, - /* Not an IEEE rounding mode: round to the closest odd mantissa value */ + /* Not an IEEE rounding mode: round to closest odd, overflow to max */ float_round_to_odd = 5, + /* Not an IEEE rounding mode: round to closest odd, overflow to inf */ + float_round_to_odd_inf = 6, } FloatRoundMode; /* |