#ifndef FIRM_BE_MAIN_H
#define FIRM_BE_MAIN_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+
#include <stdio.h>
#include "irarch.h"
#include "archop.h"
#include "lowering.h"
+typedef enum {
+ ASM_CONSTRAINT_FLAG_SUPPORTS_REGISTER = 0x0001,
+ ASM_CONSTRAINT_FLAG_SUPPORTS_MEMOP = 0x0002,
+ ASM_CONSTRAINT_FLAG_SUPPORTS_IMMEDIATE = 0x0004,
+ ASM_CONSTRAINT_FLAG_NO_SUPPORT = 0x0008,
+ ASM_CONSTRAINT_FLAG_MODIFIER_WRITE = 0x0010,
+ ASM_CONSTRAINT_FLAG_MODIFIER_NO_WRITE = 0x0020,
+ ASM_CONSTRAINT_FLAG_MODIFIER_READ = 0x0040,
+ ASM_CONSTRAINT_FLAG_MODIFIER_NO_READ = 0x0080,
+ ASM_CONSTRAINT_FLAG_MODIFIER_EARLYCLOBBER = 0x0100,
+ ASM_CONSTRAINT_FLAG_MODIFIER_COMMUTATIVE = 0x0200,
+ ASM_CONSTRAINT_FLAG_INVALID = 0x8000
+} asm_constraint_flags_t;
+
/**
* This structure contains parameters that should be
* propagated to the libFirm parameter set.
/** Backend settings for if-conversion. */
const ir_settings_if_conv_t *if_conv_info;
- /** The immediate floating point mode. Temporaries are calculated using this mode. */
+ /** The immediate floating point mode. Temporaries are calculated using
+ * this mode. */
ir_mode *imm_fp_mode;
} backend_params;
*/
void be_main(FILE *output, const char *compilation_unit_name);
+/**
+ * parse assembler constraint strings and returns flags (so the frontend knows
+ * which operands are inputs/outputs and whether memory is required)
+ */
+asm_constraint_flags_t be_parse_asm_constraints(const char *constraints);
+
+/**
+ * tests whether a string is a valid clobber in an ASM instruction
+ */
+int be_is_valid_clobber(const char *clobber);
+
typedef struct be_main_env_t be_main_env_t;
typedef struct be_options_t be_options_t;
+#ifdef __cplusplus
+}
+#endif
+
#endif