Add m-esr52 at 52.6.0

1 files changed, 41 insertions, 0 deletions

diff --git a/js/src/jit/BaselineFrameInfo-inl.h b/js/src/jit/BaselineFrameInfo-inl.h
new file mode 100644
index 000000000..699870904
--- /dev/null
+++ b/js/src/jit/BaselineFrameInfo-inl.h
@@ -0,0 +1,41 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sts=4 et sw=4 tw=99:
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef jit_BaselineFrameInfo_inl_h
+#define jit_BaselineFrameInfo_inl_h
+
+namespace js {
+namespace jit {
+
+void
+FrameInfo::pop(StackAdjustment adjust)
+{
+    spIndex--;
+    StackValue* popped = &stack[spIndex];
+
+    if (adjust == AdjustStack && popped->kind() == StackValue::Stack)
+        masm.addToStackPtr(Imm32(sizeof(Value)));
+    // Assert when anything uses this value.
+    popped->reset();
+}
+
+void
+FrameInfo::popn(uint32_t n, StackAdjustment adjust)
+{
+    uint32_t poppedStack = 0;
+    for (uint32_t i = 0; i < n; i++) {
+        if (peek(-1)->kind() == StackValue::Stack)
+            poppedStack++;
+        pop(DontAdjustStack);
+    }
+    if (adjust == AdjustStack && poppedStack > 0)
+        masm.addToStackPtr(Imm32(sizeof(Value) * poppedStack));
+}
+
+} // namespace jit
+} // namespace js
+
+#endif /* jit_BaselineFrameInfo_inl_h */