[Qemu-devel] [PATCH v1 05/14] softfloat: add float32_is_normal and float64_is_normal

[Emilio G. Cota]

This paves the way for upcoming work.

Signed-off-by: Emilio G. Cota <address@hidden>
---
 include/fpu/softfloat.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/include/fpu/softfloat.h b/include/fpu/softfloat.h
index 36626a5..7b9d31c 100644
--- a/include/fpu/softfloat.h
+++ b/include/fpu/softfloat.h
@@ -402,6 +402,11 @@ static inline int float32_is_zero(float32 a)
     return (float32_val(a) & 0x7fffffff) == 0;
 }
 
+static inline bool float32_is_normal(float32 a)
+{
+    return ((float32_val(a) + 0x00800000) & 0x7fffffff) >= 0x01000000;
+}
+
 static inline int float32_is_any_nan(float32 a)
 {
     return ((float32_val(a) & ~(1 << 31)) > 0x7f800000UL);
@@ -531,6 +536,11 @@ static inline int float64_is_zero(float64 a)
     return (float64_val(a) & 0x7fffffffffffffffLL) == 0;
 }
 
+static inline bool float64_is_normal(float64 a)
+{
+    return ((float64_val(a) + (1ULL << 52)) & -1ULL >> 1) >= 1ULL << 53;
+}
+
 static inline int float64_is_any_nan(float64 a)
 {
     return ((float64_val(a) & ~(1ULL << 63)) > 0x7ff0000000000000ULL);
-- 
2.7.4