* @brief Some machine dependent optimizations.
* @date 1.10.2004
* @author Sebastian Hack
- * @version $Id$
*/
#ifndef FIRM_IR_IRARCH_H
#define FIRM_IR_IRARCH_H
* A parameter structure that drives the machine dependent Firm
* optimizations.
*/
-struct ir_settings_arch_dep_t {
+typedef struct ir_settings_arch_dep_t {
/* Mul optimization */
unsigned also_use_subs : 1; /**< Use also Subs when resolving Muls to shifts */
unsigned maximum_shifts; /**< The maximum number of shifts that shall be inserted for a mul. */
unsigned allow_mulhu : 1; /**< Use the Mulhu operation for division by constant */
unsigned max_bits_for_mulh; /**< Maximum number of bits the Mulh operation can take.
Modes with higher amount of bits will use Mulh */
-};
+} ir_settings_arch_dep_t;
/**
* A factory function, that provides architecture parameters for
ENUM_BITSET(arch_dep_opts_t)
/**
- * Set the optimizations that shall be applied.
+ * Sets the optimizations that shall be applied.
* @param opts An optimization bit mask.
*/
FIRM_API void arch_dep_set_opts(arch_dep_opts_t opts);
/**
- * Replace Muls with Lea/Shifts/Add/Subs if these
+ * Replaces Muls with Lea/Shifts/Add/Subs if these
* have smaller costs than the original multiplication.
*
* @param irn The Firm node to inspect.
FIRM_API ir_node *arch_dep_replace_mul_with_shifts(ir_node *irn);
/**
- * Replace Divs with Shifts and Add/Subs and Mulh.
+ * Replaces Divs with Shifts and Add/Subs and Mulh.
* This function is driven by the 3 parameters:
* - allow_mulhu
* - allow_mulhs
FIRM_API ir_node *arch_dep_replace_div_by_const(ir_node *irn);
/**
- * Replace Mods with Shifts and Add/Subs and Mulh.
+ * Replaces Mods with Shifts and Add/Subs and Mulh.
* This function is driven by the 3 parameters:
* - allow_mulhu
* - allow_mulhs