put exponent > 126 logic in FPNumBase, use it in norm module

[ieee754fpu.git] / src / add / fpbase.py

diff --git a/src/add/fpbase.py b/src/add/fpbase.py
index 242f41d814a2b11d0bfb177c13dd95ee02bf88d2..c15112a917e116441364d22558bc7305a51a7c4d 100644 (file)
--- a/src/add/fpbase.py
+++ b/src/add/fpbase.py
@@ -96,6 +96,7 @@ class FPNumBase:
         self.is_overflowed = Signal(reset_less=True)
         self.is_denormalised = Signal(reset_less=True)
         self.exp_128 = Signal(reset_less=True)
+        self.exp_gt_n126 = Signal(reset_less=True)
         self.exp_gt127 = Signal(reset_less=True)
         self.exp_n127 = Signal(reset_less=True)
         self.exp_n126 = Signal(reset_less=True)
@@ -110,6 +111,7 @@ class FPNumBase:
         m.d.comb += self.is_overflowed.eq(self._is_overflowed())
         m.d.comb += self.is_denormalised.eq(self._is_denormalised())
         m.d.comb += self.exp_128.eq(self.e == self.P128)
+        m.d.comb += self.exp_gt_n126.eq(self.e > self.N126)
         m.d.comb += self.exp_gt127.eq(self.e > self.P127)
         m.d.comb += self.exp_n127.eq(self.e == self.N127)
         m.d.comb += self.exp_n126.eq(self.e == self.N126)