From: Christoph Mallon <christoph.mallon@gmx.de>
Date: Thu, 28 Jun 2007 20:35:42 +0000 (+0000)
Subject: For a TestJmp it is not necessary that the And has a constant as operand. Every kind... 
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=f2c57dfbf40a16f44728e4e52e35dea933aefee1;p=libfirm

For a TestJmp it is not necessary that the And has a constant as operand. Every kind of operand is ok.

[r14826]
---

diff --git a/ir/be/ia32/ia32_emitter.c b/ir/be/ia32/ia32_emitter.c
index ad6a9df2d..19c831e01 100644
--- a/ir/be/ia32/ia32_emitter.c
+++ b/ir/be/ia32/ia32_emitter.c
@@ -176,12 +176,14 @@ char get_mode_suffix(const ir_mode *mode) {
 
 static
 int produces_result(const ir_node *node) {
-	return !(is_ia32_St(node) ||
-		is_ia32_CondJmp(node) ||
-		is_ia32_xCondJmp(node) ||
-		is_ia32_CmpSet(node) ||
-		is_ia32_xCmpSet(node) ||
-		is_ia32_SwitchJmp(node));
+	return
+		!is_ia32_CmpSet(node)    &&
+		!is_ia32_CondJmp(node)   &&
+		!is_ia32_St(node)        &&
+		!is_ia32_SwitchJmp(node) &&
+		!is_ia32_TestJmp(node)   &&
+		!is_ia32_xCmpSet(node)   &&
+		!is_ia32_xCondJmp(node);
 }
 
 static
diff --git a/ir/be/ia32/ia32_transform.c b/ir/be/ia32/ia32_transform.c
index bdeaf8ceb..592eaa1b8 100644
--- a/ir/be/ia32/ia32_transform.c
+++ b/ir/be/ia32/ia32_transform.c
@@ -1787,8 +1787,6 @@ static ir_node *try_create_TestJmp(ir_node *node, long pnc)
 
 	and_left  = get_And_left(cmp_a);
 	and_right = get_And_right(cmp_a);
-	if(!is_Const(and_right))
-		return NULL;
 
 	dbgi      = get_irn_dbg_info(node);
 	block     = be_transform_node(get_nodes_block(node));
@@ -1796,8 +1794,8 @@ static ir_node *try_create_TestJmp(ir_node *node, long pnc)
 	nomem     = new_NoMem();
 	new_cmp_a = be_transform_node(and_left);
 	new_cmp_b = try_create_Immediate(and_right, 0);
-	if(new_cmp_b == NULL)
-		panic("couldn't create immediate for TestJmp");
+	if (new_cmp_b == NULL)
+		new_cmp_b = be_transform_node(and_right);
 
 	res = new_rd_ia32_TestJmp(dbgi, current_ir_graph, block, noreg, noreg,
 	                          new_cmp_a, new_cmp_b, nomem, pnc);