🐛 [rtl] fix FPU float-to-int corner case

stnolting · Jul 6, 2024 · 735330c · 735330c
1 parent 04438ba
commit 735330c
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/rtl/core/neorv32_cpu_cp_fpu.vhd b/rtl/core/neorv32_cpu_cp_fpu.vhd
@@ -2267,8 +2267,8 @@ begin
             -- the mantissa is not 0 (without hidden 1) then we have a true overflow.
             -- Otherwise we have a "real" 1 in the result MSB which should result in -MAX as the correct value.
             -- This captures the corner case where the number is exactly 2^-31
-            elsif ((ctrl.sign = '1') and (ctrl.over = '1') and
-                   (ctrl.result_tmp /= x"80000000") and (mantissa_i /= "00000000000000000000000")) then -- negative out-of-range
+            elsif (ctrl.sign = '1') and (ctrl.over = '1') then -- negative out-of-range
+--                and (ctrl.result_tmp /= x"80000000") and (mantissa_i /= "00000000000000000000000") then -- negative out-of-range
               ctrl.result <= x"80000000";
               -- if we had a negative out of range we are not valid but never inexact
               ctrl.flags(fp_exc_nv_c) <= '1';

diff --git a/rtl/core/neorv32_package.vhd b/rtl/core/neorv32_package.vhd
@@ -29,7 +29,7 @@ package neorv32_package is
 
   -- Architecture Constants -----------------------------------------------------------------
   -- -------------------------------------------------------------------------------------------
-  constant hw_version_c : std_ulogic_vector(31 downto 0) := x"01100101"; -- hardware version
+  constant hw_version_c : std_ulogic_vector(31 downto 0) := x"01100102"; -- hardware version
   constant archid_c     : natural := 19; -- official RISC-V architecture ID
   constant XLEN         : natural := 32; -- native data path width