arch_register_class_put() is only used locally

[libfirm] / ir / be / ppc32 / bearch_ppc32.c

diff --git a/ir/be/ppc32/bearch_ppc32.c b/ir/be/ppc32/bearch_ppc32.c
index 8b914c4..3765d26 100644 (file)
--- a/ir/be/ppc32/bearch_ppc32.c
+++ b/ir/be/ppc32/bearch_ppc32.c
@@ -322,22 +322,25 @@ static void ppc32_abi_regs_saved_by_me(void *self, pset *regs)
 
 /**
  * Generate the prologue.
- * @param self    The callback object.
- * @param mem     A pointer to the mem node. Update this if you define new memory.
- * @param reg_map A mapping mapping all callee_save/ignore/parameter registers to their defining nodes.
+ * @param self       The callback object.
+ * @param mem        A pointer to the mem node. Update this if you define new memory.
+ * @param reg_map    A mapping mapping all callee_save/ignore/parameter registers to their defining nodes.
+ * @param stack_bias Points to the current stack bias, can be modified if needed.
+ *
  * @return        The register which shall be used as a stack frame base.
  *
  * All nodes which define registers in @p reg_map must keep @p reg_map current.
  */
-static const arch_register_t *ppc32_abi_prologue(void *self, ir_node **mem, pmap *reg_map)
+static const arch_register_t *ppc32_abi_prologue(void *self, ir_node **mem, pmap *reg_map, int *stack_bias)
 {
        ppc32_abi_env *env = (ppc32_abi_env *) self;
        be_abi_call_flags_t flags = be_abi_call_get_flags(env->call);
        (void) mem;
        (void) reg_map;
+       (void) stack_bias;
        isleaf = flags.bits.irg_is_leaf;
 
-       if(flags.bits.try_omit_fp)
+       if (flags.bits.try_omit_fp)
                return &ppc32_gp_regs[REG_R1];
        else
                return &ppc32_gp_regs[REG_R31];
@@ -640,7 +643,7 @@ static ppc32_isa_t ppc32_isa_template = {
                &ppc32_gp_regs[REG_R1],  /* stack pointer */
                &ppc32_gp_regs[REG_R31], /* base pointer */
                -1,                      /* stack is decreasing */
-               1,                       /* call stack alignment */
+               2,                       /* power of two stack alignment for calls, 2^2 == 4 */
                NULL,                    /* main environment */
                7,                       /* spill costs */
                5,                       /* reload costs */
@@ -926,6 +929,22 @@ static const backend_params *ppc32_get_libfirm_params(void) {
        return &p;
 }
 
+static asm_constraint_flags_t ppc32_parse_asm_constraint(const void *self, const char **c)
+{
+       /* no asm support yet */
+       (void) self;
+       (void) c;
+       return ASM_CONSTRAINT_FLAG_INVALID;
+}
+
+static int ppc32_is_valid_clobber(const void *self, const char *clobber)
+{
+       /* no asm support yet */
+       (void) self;
+       (void) clobber;
+       return 0;
+}
+
 const arch_isa_if_t ppc32_isa_if = {
        ppc32_init,
        ppc32_done,
@@ -941,6 +960,8 @@ const arch_isa_if_t ppc32_isa_if = {
        ppc32_get_allowed_execution_units,
        ppc32_get_machine,
        ppc32_get_irg_list,
+       ppc32_parse_asm_constraint,
+       ppc32_is_valid_clobber
 };
 
 void be_init_arch_ppc32(void)