[om] retime FloatAdder in Permutation

chipsalliance · Dec 13, 2024 · 8f13557 · 8f13557
1 parent 408c70b
commit 8f13557
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Showing 2 changed files with 17 additions and 2 deletions.
diff --git a/omreaderlib/src/t1/T1.scala b/omreaderlib/src/t1/T1.scala
@@ -18,6 +18,15 @@ class T1(val mlirbc: Array[Byte]) extends T1OMReaderAPI {
   def instructions: Seq[Instruction]                  = t1("decoder").obj("instructions").list.elements().map(_.obj).map(getInstruction)
   def sram:         Seq[SRAM]                         =
     t1("lanes").list.elements().map(_.obj("vrf").obj).flatMap(getSRAM)
-  def retime:       Seq[Retime]                       =
+
+  def floatAdder = {
+    val reduceUnit = t1("permutatuon").obj("reduceUnit").obj
+    // TODO: need fieldOpt(name: String)
+    Option.when(reduceUnit.fieldNames().contains("floatAdder"))(reduceUnit("floatAdder").obj).flatMap(getRetime)
+  }
+
+  def vfus: Seq[Retime] =
     t1("lanes").list.elements().map(_.obj("vfus")).flatMap(_.list.elements().map(_.obj)).flatMap(getRetime)
+
+  def retime = (vfus ++ floatAdder).distinct
 }
diff --git a/omreaderlib/src/t1rocketv/T1RocketTile.scala b/omreaderlib/src/t1rocketv/T1RocketTile.scala
@@ -22,6 +22,12 @@ class T1RocketTile(val mlirbc: Array[Byte]) extends T1OMReaderAPI {
     Seq(tile("frontend").obj("icache").obj, tile("hellaCache").obj).flatMap(getSRAM)
   def vfu:          Seq[Retime]                       =
     t1("lanes").list.elements().map(_.obj("vfus")).flatMap(_.list.elements().map(_.obj)).flatMap(getRetime)
-  def retime = vfu
+  def floatAdder = {
+    val reduceUnit = t1("permutatuon").obj("reduceUnit").obj
+    // TODO: need fieldOpt(name: String)
+    Option.when(reduceUnit.fieldNames().contains("floatAdder"))(reduceUnit("floatAdder").obj).flatMap(getRetime)
+  }
+
+  def retime = (vfu ++ floatAdder).distinct
   def sram   = vrf ++ cache
 }