Change "associated type" logic to a single linked list to the "higher type"

[libfirm] / ir / be / sparc / sparc_stackframe.c

diff --git a/ir/be/sparc/sparc_stackframe.c b/ir/be/sparc/sparc_stackframe.c
index 5407e19..1ed784e 100644 (file)
--- a/ir/be/sparc/sparc_stackframe.c
+++ b/ir/be/sparc/sparc_stackframe.c
@@ -65,7 +65,7 @@ static void process_bias(ir_node *block, bool sp_relative, int bias,
                if (entity != NULL) {
                        int offset = get_entity_offset(entity);
                        if (sp_relative)
-                               offset -= bias;
+                               offset += bias;
                        arch_set_frame_offset(irn, offset);
                }
 
@@ -116,6 +116,13 @@ static void adjust_entity_offsets(ir_type *type, long offset)
        }
 }
 
+/**
+ * Perform some fixups for variadic functions.
+ * To make the rest of the frontend code easier to understand we add
+ * "dummy" parameters until the number of parameters transmitted in registers.
+ * (because otherwise the backend wouldn't store the value of the register
+ *  parameters into memory for the VLA magic)
+ */
 bool sparc_variadic_fixups(ir_graph *irg, calling_convention_t *cconv)
 {
        ir_entity *entity = get_irg_entity(irg);
@@ -154,7 +161,7 @@ bool sparc_variadic_fixups(ir_graph *irg, calling_convention_t *cconv)
        set_method_variadicity(new_mtp, get_method_variadicity(mtp));
        set_method_calling_convention(new_mtp, get_method_calling_convention(mtp));
        set_method_additional_properties(new_mtp, get_method_additional_properties(mtp));
-       set_lowered_type(mtp, new_mtp);
+       set_higher_type(new_mtp, mtp);
 
        set_entity_type(entity, new_mtp);
        }
@@ -226,7 +233,7 @@ static ir_type *compute_arg_type(ir_graph *irg, calling_convention_t *cconv,
        if (va_start_entity != NULL) {
                /* sparc_variadic_fixups() fiddled with our type, find out the
                 * original number of parameters */
-               ir_type *non_lowered   = get_associated_type(mtp);
+               ir_type *non_lowered   = get_higher_type(mtp);
                size_t   orig_n_params = get_method_n_params(non_lowered);
                long     offset;
                assert(get_method_variadicity(mtp) == variadicity_variadic);