add Compiler::truncateThenExtend

2025-06-17 22:58:19 +00:00 · 2014-05-01 11:43:10 -06:00
parent 99fa560257
commit 26d8e8aa1f
3 changed files with 23 additions and 2 deletions
--- a/src/codegen/compiler.cpp
+++ b/src/codegen/compiler.cpp
@ -2609,6 +2609,22 @@ class MyCompiler: public Compiler {
                      static_cast<Value*>(index), handler);
  }

+  virtual Operand* truncateThenExtend(ir::SignExtendMode signExtend,
+                                      ir::Type extendType,
+                                      ir::Type truncateType,
+                                      Operand* src)
+  {
+    Value* dst = value(&c, extendType);
+    appendMove(&c,
+               signExtend == ir::SignExtend ? lir::Move : lir::MoveZ,
+               TargetBytesPerWord,
+               truncateType.size(),
+               static_cast<Value*>(src),
+               extendType.size(),
+               dst);
+    return dst;
+  }
+
  virtual void store(ir::Type srcType,
                     Operand* src,
                     Operand* dst)