일단 양수양수 덧셈은 가능함

js4ngu · Sep 13, 2024 · 096a72b · 096a72b
1 parent 8b149f6
commit 096a72b
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Showing 2 changed files with 7 additions and 7 deletions.
diff --git a/src/main/scala/vfrope/ieee754.scala b/src/main/scala/vfrope/ieee754.scala
@@ -118,8 +118,8 @@ class FP32Adder extends Module {
   val mantissaSumExtended = Cat(mantissaSum, 0.U(2.W)) // Add two guard bits
   val normalizationNeeded = mantissaSumExtended(25) // 24th 비트에서 overflow 확인
   val normalizedMantissa = Mux(normalizationNeeded, mantissaSumExtended(24, 2), mantissaSumExtended(23, 1))
-  val finalExponentNormalized = Mux(normalizationNeeded, finalExponent + 1.U, finalExponent)
-  
+  val finalExponentNormalized = finalExponent // 지수는 그대로 유지
+
   // Debug: Print normalization-related values
   printf(p"\nmantissaSumExtended:  $mantissaSumExtended\n")
   printf(p"Normalization Needed:  $normalizationNeeded\n")

diff --git a/src/test/scala/vfrope/ieee754test.scala b/src/test/scala/vfrope/ieee754test.scala
@@ -49,13 +49,13 @@ class FP32AdderTest extends AnyFlatSpec with ChiselScalatestTester {
             dut.io.a.poke(0x3fc00000.U) // 1.5
             dut.io.b.poke(0x40100000.U) // 2.25
             dut.clock.step()
-            println(s"expected 40700000 : 0x${dut.io.result.peek().litValue.toString(16)}")
+            println(s"expected 40700000 : 0x${dut.io.result.peek().litValue.toString(16)}\n\n")
 
             // For negative numbers, use BigInt to handle UInt interpretation correctly
-            // dut.io.a.poke(BigInt("bfc00000", 16).U) // -1.5
-            // dut.io.b.poke(0x40100000.U) // 2.25
-            // dut.clock.step()
-            // println(s"expected 3f400000 : 0x${dut.io.result.peek().litValue.toString(16)}")
+            dut.io.a.poke(BigInt("bfc00000", 16).U) // -1.5
+            dut.io.b.poke(0x40100000.U) // 2.25
+            dut.clock.step()
+            println(s"expected 3f400000 : 0x${dut.io.result.peek().litValue.toString(16)}")
 
             // dut.io.a.poke(0x3fc00000.U) // 1.5
             // dut.io.b.poke(BigInt("c0100000", 16).U) // -2.25