use the new mtp_property_private flag to switch calling conventions

[r14634]

diff --git a/ir/be/ia32/bearch_ia32.c b/ir/be/ia32/bearch_ia32.c
index d5f773d..45009e8 100644 (file)
--- a/ir/be/ia32/bearch_ia32.c
+++ b/ir/be/ia32/bearch_ia32.c
@@ -1590,9 +1590,8 @@ static void ia32_get_call_abi(const void *self, ir_type *method_type, be_abi_cal
        const ia32_isa_t *isa = self;
        ir_type  *tp;
        ir_mode  *mode;
-       unsigned  cc        = get_method_calling_convention(method_type);
-       int       n         = get_method_n_params(method_type);
-       int       i, regnum;
+       unsigned  cc;
+       int       n, i, regnum;
        be_abi_call_flags_t call_flags = be_abi_call_get_flags(abi);
 
        unsigned use_push = !IS_P6_ARCH(isa->opt_arch);
@@ -1607,6 +1606,12 @@ static void ia32_get_call_abi(const void *self, ir_type *method_type, be_abi_cal
        /* set parameter passing style */
        be_abi_call_set_flags(abi, call_flags, &ia32_abi_callbacks);
 
+       cc = get_method_calling_convention(method_type);
+       if (get_method_additional_properties(method_type) & mtp_property_private) {
+               /* set the calling conventions to register parameter */
+               cc = (cc & ~cc_bits) | cc_reg_param;
+       }
+       n = get_method_n_params(method_type);
        for (i = regnum = 0; i < n; i++) {
                const ir_mode         *mode;
                const arch_register_t *reg = NULL;