feat: add initialization of AX register in function prologue

2025-02-22 22:53:17 +00:00 · 2025-02-22 22:53:17 +00:00 · 1255a2e74c
commit 1255a2e74c
parent 24dddcadab
1 changed files with 2 additions and 1 deletions
--- a/src/main/wacc/backend/asmGenerator.scala
+++ b/src/main/wacc/backend/asmGenerator.scala
@ -164,7 +164,8 @@ object asmGenerator {
  def funcPrologue(): List[AsmLine] = {
    List(
      Push(Register(RegSize.R64, RegName.BP)),
-      Move(Register(RegSize.R64, RegName.BP), Register(RegSize.R64, RegName.SP))
+      Move(Register(RegSize.R64, RegName.BP), Register(RegSize.R64, RegName.SP)),
+      Move(Register(RegSize.R64, RegName.AX), ImmediateVal(0))
    )
  }