IA32_OPT_EXTBB = 16, /**< do extended basic block scheduling */
} ia32_optimize_t;
-/** architectures */
+/**
+ * Architectures. Clustered for easier macro implementation,
+ * do not change.
+ */
typedef enum cpu_support {
arch_i386, /**< i386 */
arch_i486, /**< i486 */
arch_opteron, /**< Opteron */
} cpu_support;
+/** checks for l <= x <= h */
+#define _IN_RANGE(x, l, h) ((unsigned)((x) - (l)) <= (unsigned)((h) - (l)))
+
+/** returns true if it's Intel architecture */
+#define ARCH_INTEL(x) _IN_RANGE((x), arch_i386, arch_core)
+
+/** returns true if it's AMD architecture */
+#define ARCH_AMD(x) _IN_RANGE((x), arch_k6, arch_opteron)
+
/** floating point support */
typedef enum fp_support {
fp_none, /**< no floating point instructions are used */
fp_sse2 /**< use SSE2 instructions */
} fp_support;
+/** Sets the used flag to the current floating point architecture. */
+#define FP_USED(cg) ((cg)->used_fp = (cg)->fp_kind)
+
+/** Returns non-zero if the current floating point architecture is SSE2. */
+#define USE_SSE2(cg) ((cg)->fp_kind == fp_sse2)
+
+/** Returns non-zero if the current floating point architecture is x87. */
+#define USE_x87(cg) ((cg)->fp_kind == fp_x87)
+
typedef struct _ia32_isa_t ia32_isa_t;
/**
ir_graph *irg; /**< current irg */
const arch_env_t *arch_env; /**< the arch env */
set *reg_set; /**< set to memorize registers for non-ia32 nodes (e.g. phi nodes) */
- int emit_decls; /**< flag indicating if decls were already emitted */
ia32_isa_t *isa; /**< for fast access to the isa object */
const be_irg_t *birg; /**< The be-irg (contains additional information about the irg) */
ir_node **blk_sched; /**< an array containing the scheduled blocks */
* IA32 ISA object
*/
struct _ia32_isa_t {
- const arch_isa_if_t *impl;
- const arch_register_t *sp; /**< The stack pointer register. */
- const arch_register_t *bp; /**< The base pointer register. */
- const int stack_dir; /**< -1 for decreasing, 1 for increasing. */
- int num_codegens; /**< The number of code generator objects created so far */
+ arch_isa_t arch_isa; /**< must be derived from arch_isa_t */
pmap *regs_16bit; /**< Contains the 16bits names of the gp registers */
pmap *regs_8bit; /**< Contains the 8bits names of the gp registers */
pmap *types; /**< A map of modes to primitive types */