From 7904932a9ed5320391acfd2b43fd0d6c8695a376 Mon Sep 17 00:00:00 2001
From: Jacek Caban <jacek@codeweavers.com>
Date: Fri, 9 Dec 2011 11:04:45 +0100
Subject: [PATCH] jscript: Use bytecode for '>>>=' expression implementation.

---
 dlls/jscript/compile.c |  2 ++
 dlls/jscript/engine.c  | 29 -----------------------------
 dlls/jscript/engine.h  |  1 -
 dlls/jscript/parser.y  |  2 +-
 4 files changed, 3 insertions(+), 31 deletions(-)

diff --git a/dlls/jscript/compile.c b/dlls/jscript/compile.c
index ececd104623..541e9452a8b 100644
--- a/dlls/jscript/compile.c
+++ b/dlls/jscript/compile.c
@@ -627,6 +627,8 @@ static HRESULT compile_expression_noret(compiler_ctx_t *ctx, expression_t *expr,
         return compile_assign_expression(ctx, (binary_expression_t*)expr, OP_or);
     case EXPR_ASSIGNRSHIFT:
         return compile_assign_expression(ctx, (binary_expression_t*)expr, OP_rshift);
+    case EXPR_ASSIGNRRSHIFT:
+        return compile_assign_expression(ctx, (binary_expression_t*)expr, OP_rshift2);
     case EXPR_ASSIGNXOR:
         return compile_assign_expression(ctx, (binary_expression_t*)expr, OP_xor);
     case EXPR_BAND:
diff --git a/dlls/jscript/engine.c b/dlls/jscript/engine.c
index 1699d844c79..3ebdb83b9ec 100644
--- a/dlls/jscript/engine.c
+++ b/dlls/jscript/engine.c
@@ -3141,25 +3141,6 @@ static HRESULT interp_rshift(exec_ctx_t *ctx)
 }
 
 /* ECMA-262 3rd Edition    11.7.3 */
-static HRESULT rshift2_eval(script_ctx_t *ctx, VARIANT *lval, VARIANT *rval, jsexcept_t *ei, VARIANT *retv)
-{
-    DWORD li, ri;
-    HRESULT hres;
-
-    hres = to_uint32(ctx, lval, ei, &li);
-    if(FAILED(hres))
-        return hres;
-
-    hres = to_uint32(ctx, rval, ei, &ri);
-    if(FAILED(hres))
-        return hres;
-
-    V_VT(retv) = VT_I4;
-    V_I4(retv) = li >> (ri&0x1f);
-    return S_OK;
-}
-
-/* ECMA-262 3rd Edition    11.7.3 */
 static HRESULT interp_rshift2(exec_ctx_t *ctx)
 {
     DWORD r, l;
@@ -3212,16 +3193,6 @@ HRESULT assign_lshift_expression_eval(script_ctx_t *ctx, expression_t *_expr, DW
     return assign_oper_eval(ctx, expr->expression1, expr->expression2, lshift_eval, ei, ret);
 }
 
-/* ECMA-262 3rd Edition    11.13.2 */
-HRESULT assign_rrshift_expression_eval(script_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
-{
-    binary_expression_t *expr = (binary_expression_t*)_expr;
-
-    TRACE("\n");
-
-    return assign_oper_eval(ctx, expr->expression1, expr->expression2, rshift2_eval, ei, ret);
-}
-
 static HRESULT interp_undefined(exec_ctx_t *ctx)
 {
     VARIANT v;
diff --git a/dlls/jscript/engine.h b/dlls/jscript/engine.h
index 5b0a8699abd..ba2c3a8e83c 100644
--- a/dlls/jscript/engine.h
+++ b/dlls/jscript/engine.h
@@ -569,7 +569,6 @@ HRESULT delete_expression_eval(script_ctx_t*,expression_t*,DWORD,jsexcept_t*,exp
 HRESULT typeof_expression_eval(script_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*) DECLSPEC_HIDDEN;
 HRESULT left_shift_expression_eval(script_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*) DECLSPEC_HIDDEN;
 HRESULT assign_lshift_expression_eval(script_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*) DECLSPEC_HIDDEN;
-HRESULT assign_rrshift_expression_eval(script_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*) DECLSPEC_HIDDEN;
 
 HRESULT compiled_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 f07280be230..00fea0bc8e3 100644
--- a/dlls/jscript/parser.y
+++ b/dlls/jscript/parser.y
@@ -1342,7 +1342,7 @@ static const expression_eval_t expression_eval_table[] = {
    compiled_expression_eval,
    assign_lshift_expression_eval,
    compiled_expression_eval,
-   assign_rrshift_expression_eval,
+   compiled_expression_eval,
    compiled_expression_eval,
    compiled_expression_eval,
    compiled_expression_eval,
-- 
2.11.4.GIT