X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbearch.h;h=e72e5bfc86bda68f5183acb09be48d41e4b78d80;hb=726c24407b2da9c171197886a2eb46051f661186;hp=56afee57b1581d15d328bfab556d53fbd2ccd029;hpb=fe658e6174889959c2565e9e14927169e4d88ee2;p=libfirm diff --git a/ir/be/bearch.h b/ir/be/bearch.h index 56afee57b..e72e5bfc8 100644 --- a/ir/be/bearch.h +++ b/ir/be/bearch.h @@ -26,6 +26,8 @@ #ifndef FIRM_BE_BEARCH_H #define FIRM_BE_BEARCH_H +#include + #include "firm_types.h" #include "bitset.h" #include "be.h" @@ -64,24 +66,17 @@ typedef enum arch_register_type_t { bestate code */ } arch_register_type_t; -typedef enum arch_operand_type_t { - arch_operand_type_invalid, - arch_operand_type_memory, - arch_operand_type_register, - arch_operand_type_immediate, - arch_operand_type_symconst, - arch_operand_type_last -} arch_operand_type_t; - /** * Different types of register allocation requirements. */ typedef enum arch_register_req_type_t { - arch_register_req_type_none = 0, /**< No register requirement. */ - arch_register_req_type_normal = 1, /**< All registers in the class are allowed. */ - arch_register_req_type_limited = 2, /**< Only a real subset of the class is allowed. */ - arch_register_req_type_should_be_same = 4, /**< The register should be equal to another one at the node. */ - arch_register_req_type_must_be_different = 8, /**< The register must be unequal from some other at the node. */ + arch_register_req_type_none = 0, /**< No register requirement. */ + arch_register_req_type_normal = 1U << 0, /**< All registers in the class are allowed. */ + arch_register_req_type_limited = 1U << 1, /**< Only a real subset of the class is allowed. */ + arch_register_req_type_should_be_same = 1U << 2, /**< The register should be equal to another one at the node. */ + arch_register_req_type_must_be_different = 1U << 3, /**< The register must be unequal from some other at the node. */ + arch_register_req_type_ignore = 1U << 4, /**< ignore while allocating registers */ + arch_register_req_type_produces_sp = 1U << 5, /**< the output produces a new value for the stack pointer */ } arch_register_req_type_t; extern const arch_register_req_t *arch_no_register_req; @@ -99,30 +94,22 @@ extern char *arch_register_req_format(char *buf, size_t len, const arch_register * Certain node classes which are relevant for the register allocator. */ typedef enum arch_irn_class_t { - arch_irn_class_normal = 1 << 0, - arch_irn_class_spill = 1 << 1, - arch_irn_class_reload = 1 << 2, - arch_irn_class_remat = 1 << 3, - arch_irn_class_copy = 1 << 4, - arch_irn_class_perm = 1 << 5, - arch_irn_class_branch = 1 << 6, - arch_irn_class_call = 1 << 7, - arch_irn_class_load = 1 << 8, - arch_irn_class_store = 1 << 9, - arch_irn_class_stackparam = 1 << 10, + arch_irn_class_spill = 1 << 0, + arch_irn_class_reload = 1 << 1, + arch_irn_class_remat = 1 << 2, + arch_irn_class_copy = 1 << 3, + arch_irn_class_perm = 1 << 4, + arch_irn_class_branch = 1 << 5 } arch_irn_class_t; /** * Some flags describing a node in more detail. */ typedef enum arch_irn_flags_t { - arch_irn_flags_none = 0, /**< Node flags. */ - arch_irn_flags_dont_spill = 1, /**< This must not be spilled. */ - arch_irn_flags_rematerializable = 2, /**< This can be replicated instead of spilled/reloaded. */ - arch_irn_flags_ignore = 4, /**< Ignore node during register allocation. */ - arch_irn_flags_modify_sp = 8, /**< I modify the stack pointer. */ - arch_irn_flags_modify_flags = 16, /**< I modify flags. */ - arch_irn_flags_last = arch_irn_flags_modify_flags + arch_irn_flags_none = 0, /**< Node flags. */ + arch_irn_flags_dont_spill = 1U << 0, /**< This must not be spilled. */ + arch_irn_flags_rematerializable = 1U << 1, /**< This can be replicated instead of spilled/reloaded. */ + arch_irn_flags_modify_flags = 1U << 2 /**< I modify flags. */ } arch_irn_flags_t; void arch_set_frame_offset(ir_node *irn, int bias); @@ -145,27 +132,7 @@ void arch_perform_memory_operand(ir_node *irn, ir_node *spill, unsign */ const arch_register_req_t *arch_get_register_req(const ir_node *irn, int pos); -/** - * Check if an operand is a register operand. - * @param irn The node. - * @param pos The position of the operand. - * @return 1, if the operand is significant for register allocation, 0 - * if not. - */ -int arch_is_register_operand(const ir_node *irn, int pos); - -/** - * Get the number of allocatable registers concerning - * a register class for an operand of a node. - * @param irn The node. - * @param pos The position of the node's operand. - * @param bs The bitset all allocatable registers shall be put into. - * Note, that you can also pass NULL here. If you don't, - * make sure, the bitset is as large as the register class - * has registers. - * @return The amount of registers allocatable for that operand. - */ -int arch_get_allocatable_regs(const ir_node *irn, int pos, bitset_t *bs); +#define arch_get_register_req_out(irn) arch_get_register_req(irn, -1) /** * Put all registers which shall not be ignored by the register @@ -184,6 +151,8 @@ extern void arch_put_non_ignore_regs(const arch_register_class_t *cls, bitset_t */ int arch_reg_is_allocatable(const ir_node *irn, int pos, const arch_register_t *reg); +#define arch_reg_out_is_allocatable(irn, reg) arch_reg_is_allocatable(irn, -1, reg) + /** * Get the register class of an operand of a node. * @param irn The node. @@ -193,12 +162,15 @@ int arch_reg_is_allocatable(const ir_node *irn, int pos, const arch_register_t * */ const arch_register_class_t *arch_get_irn_reg_class(const ir_node *irn, int pos); +#define arch_get_irn_reg_class_out(irn) arch_get_irn_reg_class(irn, -1) + /** * Get the register allocated at a certain output operand of a node. * @param irn The node. * @return The register allocated for this operand */ const arch_register_t *arch_get_irn_register(const ir_node *irn); +const arch_register_t *arch_irn_get_register(const ir_node *irn, int pos); /** * Set the register for a certain output operand. @@ -206,6 +178,7 @@ const arch_register_t *arch_get_irn_register(const ir_node *irn); * @param reg The register. */ void arch_set_irn_register(ir_node *irn, const arch_register_t *reg); +void arch_irn_set_register(ir_node *irn, int pos, const arch_register_t *reg); /** * Classify a node. @@ -223,13 +196,10 @@ arch_irn_class_t arch_irn_classify(const ir_node *irn); */ arch_irn_flags_t arch_irn_get_flags(const ir_node *irn); -#define arch_irn_is(irn, flag) ((arch_irn_get_flags(irn) & arch_irn_flags_ ## flag) != 0) - -#define arch_irn_has_reg_class(irn, pos, cls) \ - ((cls) == arch_get_irn_reg_class(irn, pos)) +void arch_irn_set_flags(ir_node *node, arch_irn_flags_t flags); +void arch_irn_add_flags(ir_node *node, arch_irn_flags_t flags); -#define arch_irn_consider_in_reg_alloc(cls, irn) \ - (arch_irn_has_reg_class(irn, -1, cls) && !arch_irn_is(irn, ignore)) +#define arch_irn_is(irn, flag) ((arch_irn_get_flags(irn) & arch_irn_flags_ ## flag) != 0) /** * Get the operations of an irn.