[JAEGER] Added JSOP_NEG.

2010-06-05 14:26:00 -07:00
parent 9588c82ce0
commit 8c551a5eec
5 changed files with 36 additions and 0 deletions
--- a/js/src/methodjit/Compiler.cpp
+++ b/js/src/methodjit/Compiler.cpp
@@ -474,6 +474,21 @@ mjit::Compiler::generateMethod()
            jsop_binary(op, stubs::Mod);
          END_CASE(JSOP_MOD)

+          BEGIN_CASE(JSOP_NEG)
+          {
+            FrameEntry *top = frame.peek(-1);
+            if (top->isConstant() && top->getValue().isPrimitive()) {
+                double d;
+                ValueToNumber(cx, top->getValue(), &d);
+                d = -d;
+                frame.pop();
+                frame.push(DoubleTag(d));
+            } else {
+                jsop_neg();
+            }
+          }
+          END_CASE(JSOP_NEG)
+
          BEGIN_CASE(JSOP_VOID)
            frame.pop();
            frame.push(UndefinedTag());