From 0505e03b570fbdc27f97f605375adfa4338581b8 Mon Sep 17 00:00:00 2001
From: Jacek Caban <jacek@codeweavers.com>
Date: Tue, 29 Nov 2011 11:09:49 +0100
Subject: [PATCH] jscript: Use bytecode for binary xor expressions.

---
 dlls/jscript/compile.c |  2 ++
 dlls/jscript/engine.c  | 15 ++++++++++++---
 dlls/jscript/engine.h  |  4 ++--
 dlls/jscript/parser.y  |  2 +-
 4 files changed, 17 insertions(+), 6 deletions(-)

diff --git a/dlls/jscript/compile.c b/dlls/jscript/compile.c
index 7520756d76..b7abddaaf0 100644
--- a/dlls/jscript/compile.c
+++ b/dlls/jscript/compile.c
@@ -388,6 +388,8 @@ static HRESULT compile_expression(compiler_ctx_t *ctx, expression_t *expr)
         return push_instr(ctx, OP_this) == -1 ? E_OUTOFMEMORY : S_OK;
     case EXPR_VOID:
         return compile_unary_expression(ctx, (unary_expression_t*)expr, OP_void);
+    case EXPR_BXOR:
+        return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_xor);
     default:
         assert(expr->eval != compiled_expression_eval);
         return compile_interp_fallback(ctx, expr);
diff --git a/dlls/jscript/engine.c b/dlls/jscript/engine.c
index 16a3a061e1..2d766e4c9d 100644
--- a/dlls/jscript/engine.c
+++ b/dlls/jscript/engine.c
@@ -2061,13 +2061,22 @@ static HRESULT xor_eval(script_ctx_t *ctx, VARIANT *lval, VARIANT *rval, jsexcep
 }
 
 /* ECMA-262 3rd Edition    11.10 */
-HRESULT binary_xor_expression_eval(script_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
+static HRESULT interp_xor(exec_ctx_t *ctx)
 {
-    binary_expression_t *expr = (binary_expression_t*)_expr;
+    INT l, r;
+    HRESULT hres;
 
     TRACE("\n");
 
-    return binary_expr_eval(ctx, expr, xor_eval, ei, ret);
+    hres = stack_pop_int(ctx, &r);
+    if(FAILED(hres))
+        return hres;
+
+    hres = stack_pop_int(ctx, &l);
+    if(FAILED(hres))
+        return hres;
+
+    return stack_push_int(ctx, l^r);
 }
 
 /* ECMA-262 3rd Edition    11.10 */
diff --git a/dlls/jscript/engine.h b/dlls/jscript/engine.h
index 6ac6d23308..58f12c7333 100644
--- a/dlls/jscript/engine.h
+++ b/dlls/jscript/engine.h
@@ -72,7 +72,8 @@ typedef struct _func_stack {
     X(tree,       1, ARG_EXPR,   0)        \
     X(ret,        0, 0,0)                  \
     X(sub,        1, 0,0)                  \
-    X(void,       1, 0,0)
+    X(void,       1, 0,0)                  \
+    X(xor,        1, 0,0)
 
 typedef enum {
 #define X(x,a,b,c) OP_##x,
@@ -555,7 +556,6 @@ HRESULT identifier_expression_eval(script_ctx_t*,expression_t*,DWORD,jsexcept_t*
 HRESULT array_literal_expression_eval(script_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*) DECLSPEC_HIDDEN;
 HRESULT property_value_expression_eval(script_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*) DECLSPEC_HIDDEN;
 
-HRESULT binary_xor_expression_eval(script_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*) DECLSPEC_HIDDEN;
 HRESULT binary_and_expression_eval(script_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*) DECLSPEC_HIDDEN;
 HRESULT instanceof_expression_eval(script_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*) DECLSPEC_HIDDEN;
 HRESULT delete_expression_eval(script_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*) DECLSPEC_HIDDEN;
diff --git a/dlls/jscript/parser.y b/dlls/jscript/parser.y
index fecde80375..09121072e1 100644
--- a/dlls/jscript/parser.y
+++ b/dlls/jscript/parser.y
@@ -1309,7 +1309,7 @@ static const expression_eval_t expression_eval_table[] = {
    compiled_expression_eval,
    compiled_expression_eval,
    compiled_expression_eval,
-   binary_xor_expression_eval,
+   compiled_expression_eval,
    binary_and_expression_eval,
    instanceof_expression_eval,
    compiled_expression_eval,