* @file
* @brief declarations for SPARC backend -- private header
* @author Hannes Rapp, Matthias Braun
- * @version $Id$
*/
#ifndef FIRM_BE_SPARC_BEARCH_SPARC_T_H
#define FIRM_BE_SPARC_BEARCH_SPARC_T_H
#include "sparc_nodes_attr.h"
#include "be.h"
-typedef struct sparc_transform_env_t sparc_transform_env_t;
typedef struct sparc_isa_t sparc_isa_t;
+typedef struct calling_convention_t calling_convention_t;
+
+/** Floating point instruction set. */
+enum sparc_fp_architectures {
+ SPARC_FPU_ARCH_NONE = 0,
+ SPARC_FPU_ARCH_FPU = 0x00000001,
+ SPARC_FPU_ARCH_SOFTFLOAT = 0x00000002,
+};
struct sparc_isa_t {
arch_env_t base; /**< must be derived from arch_env_t */
- pmap *constants;
+ pmap *constants;
+ int fpu_arch; /**< FPU architecture */
};
-/**
- * this is a struct to minimize the number of parameters
- * for transformation walker
- */
-struct sparc_transform_env_t {
- dbg_info *dbg; /**< The node debug info */
- ir_graph *irg; /**< The irg, the node should be created in */
- ir_node *block; /**< The block, the node should belong to */
- ir_node *irn; /**< The irn, to be transformed */
- ir_mode *mode; /**< The mode of the irn */
-};
+extern const arch_irn_ops_t sparc_irn_ops;
/**
* SPARC ABI requires some space which is always available at the top of
* param 0-5 in this spaces and then handle va_next by simply
* incrementing the stack pointer
*/
-#define SPARC_MIN_STACKSIZE 92
-#define SPARC_IMMEDIATE_MIN -4096
-#define SPARC_IMMEDIATE_MAX 4095
+#define SPARC_IMMEDIATE_MIN -4096
+#define SPARC_IMMEDIATE_MAX 4095
+#define SPARC_MIN_STACKSIZE 92
+#define SPARC_AGGREGATE_RETURN_OFFSET 64
+#define SPARC_PARAMS_SPILL_OFFSET 68
+#define SPARC_SAVE_AREA_SIZE 64
+#define SPARC_N_PARAM_REGS 6
+#define SPARC_STACK_ALIGNMENT 8
+#define SPARC_REGISTER_SIZE 4
static inline bool sparc_is_value_imm_encodeable(int32_t value)
{
return SPARC_IMMEDIATE_MIN <= value && value <= SPARC_IMMEDIATE_MAX;
}
-void sparc_finish(ir_graph *irg);
+void sparc_finish_graph(ir_graph *irg);
+
+void sparc_introduce_prolog_epilog(ir_graph *irg);
+
+void sparc_lower_64bit(void);
+
+bool sparc_variadic_fixups(ir_graph *irg, calling_convention_t *cconv);
+void sparc_create_stacklayout(ir_graph *irg, calling_convention_t *cconv);
+void sparc_adjust_stack_entity_offsets(ir_graph *irg);
+void sparc_fix_stack_bias(ir_graph *irg);
#endif