sparc: attempt to fix stack alignment/address for omit-fp again

[libfirm] / ir / be / sparc / bearch_sparc_t.h

diff --git a/ir/be/sparc/bearch_sparc_t.h b/ir/be/sparc/bearch_sparc_t.h
index a3fd752..4a07b34 100644 (file)
--- a/ir/be/sparc/bearch_sparc_t.h
+++ b/ir/be/sparc/bearch_sparc_t.h
@@ -20,6 +20,7 @@
 /**
  * @file
  * @brief   declarations for SPARC backend -- private header
+ * @author  Hannes Rapp, Matthias Braun
  * @version $Id$
  */
 #ifndef FIRM_BE_SPARC_BEARCH_SPARC_T_H
@@ -29,49 +30,59 @@
 #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;
 
-typedef struct sparc_code_gen_t {
-       const arch_code_generator_if_t *impl;    /**< implementation */
-       ir_graph                       *irg;     /**< current irg */
-       sparc_isa_t                    *isa;     /**< the isa instance */
-       bool                            dump;    /**< set to 1 if graphs should
-                                                     be dumped */
-} sparc_code_gen_t;
-
-struct sparc_isa_t {
-       arch_env_t        base;      /**< must be derived from arch_env_t */
-       sparc_code_gen_t *cg;        /**< current code generator */
+/** Floating point instruction set. */
+enum sparc_fp_architectures {
+       SPARC_FPU_ARCH_NONE      = 0,
+       SPARC_FPU_ARCH_FPU       = 0x00000001,
+       SPARC_FPU_ARCH_SOFTFLOAT = 0x00000002,
 };
 
-/**
- * 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 */
+struct sparc_isa_t {
+       arch_env_t  base;      /**< must be derived from arch_env_t */
+       pmap       *constants;
+       int         fpu_arch;  /**< FPU architecture */
 };
 
-void sparc_finish_irg(sparc_code_gen_t *cg);
+extern const arch_irn_ops_t sparc_irn_ops;
 
 /**
- * Sparc ABI requires some space which is always available at the top of
+ * SPARC ABI requires some space which is always available at the top of
  * the stack. It contains:
  * 16*4 bytes space for spilling the register window
- * 1*4 byte   holding a pointer to space for agregate returns (the space is
- *            always reserved, regardless wether we have an agregate return
+ * 1*4 byte   holding a pointer to space for aggregate returns (the space is
+ *            always reserved, regardless whether we have an aggregate return
  *            or not)
  * 6*4 bytes  Space for spilling parameters 0-5. For the cases when someone
- *            takes the adress of a parameter. I guess this is also there so
+ *            takes the address of a parameter. I guess this is also there so
  *            the implementation of va_args gets easier -> We can simply store
  *            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_MIN_STACKSIZE              92
+#define SPARC_AGGREGATE_RETURN_OFFSET    64
+#define SPARC_PARAMS_SPILL_OFFSET        68
+#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_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_fix_stack_bias(ir_graph *irg);
 
 #endif