X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;ds=sidebyside;f=ir%2Fbe%2Fsparc%2Fsparc_stackframe.c;h=23283f417850ced7fd1b72be3ac2d198955ba2eb;hb=96cdb5f8baa27173cbf79ef6983af4c42de1f9b6;hp=ce542b3c6240dc5aa9b3fed99d130b1d3407c498;hpb=40892f4987ddfb6524b8685c6da7f37ae953ec7a;p=libfirm

diff --git a/ir/be/sparc/sparc_stackframe.c b/ir/be/sparc/sparc_stackframe.c
index ce542b3c6..23283f417 100644
--- a/ir/be/sparc/sparc_stackframe.c
+++ b/ir/be/sparc/sparc_stackframe.c
@@ -50,9 +50,6 @@ static void set_irn_sp_bias(ir_node *node, int new_bias)
 static void process_bias(ir_node *block, bool sp_relative, int bias,
                          int free_bytes)
 {
-	const ir_edge_t *edge;
-	ir_node         *irn;
-
 	mark_Block_block_visited(block);
 
 	/* process schedule */
@@ -68,6 +65,14 @@ static void process_bias(ir_node *block, bool sp_relative, int bias,
 			arch_set_frame_offset(irn, offset);
 		}
 
+		/* The additional alignment bytes cannot be used
+		 * anymore after alloca. */
+		if (is_sparc_SubSP(irn)) {
+			free_bytes = 0;
+		} else if (is_sparc_AddSP(irn)) {
+			assert(free_bytes == 0);
+		}
+
 		irn_bias = arch_get_sp_bias(irn);
 		if (irn_bias == 0) {
 			/* do nothing */
@@ -280,7 +285,7 @@ void sparc_create_stacklayout(ir_graph *irg, calling_convention_t *cconv)
 /* Assign entity offsets, to all stack-related entities.
  * The offsets are relative to the begin of the stack frame.
  */
-static void process_frame_types(ir_graph *irg)
+void sparc_adjust_stack_entity_offsets(ir_graph *irg)
 {
 	be_stack_layout_t *layout = be_get_irg_stack_layout(irg);
 
@@ -324,6 +329,7 @@ static void process_frame_types(ir_graph *irg)
 		unsigned misalign = (SPARC_MIN_STACKSIZE+frame_size) % frame_align;
 		frame_size += misalign;
 	}
+	set_type_size_bytes(frame_type, frame_size);
 
 	ir_type *arg_type = layout->arg_type;
 
@@ -338,8 +344,6 @@ void sparc_fix_stack_bias(ir_graph *irg)
 
 	ir_node *start_block = get_irg_start_block(irg);
 
-	process_frame_types(irg);
-
 	ir_reserve_resources(irg, IR_RESOURCE_BLOCK_VISITED);
 	inc_irg_block_visited(irg);
 	process_bias(start_block, sp_relative, 0, 0);