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/* Helper file for declaring TCG helper functions.
Used by other helper files.
Targets should use DEF_HELPER_N and DEF_HELPER_FLAGS_N to declare helper
functions. Names should be specified without the helper_ prefix, and
the return and argument types specified. 3 basic types are understood
(i32, i64 and ptr). Additional aliases are provided for convenience and
to match the types used by the C helper implementation.
The target helper.h should be included in all files that use/define
helper functions. THis will ensure that function prototypes are
consistent. In addition it should be included an extra two times for
helper.c, defining:
GEN_HELPER 1 to produce op generation functions (gen_helper_*)
GEN_HELPER 2 to do runtime registration helper functions.
*/
#ifndef EXEC_HELPER_HEAD_H
#define EXEC_HELPER_HEAD_H
#include "fpu/softfloat-types.h"
#define HELPER(name) glue(helper_, name)
/* Some types that make sense in C, but not for TCG. */
#define dh_alias_i32 i32
#define dh_alias_s32 i32
#define dh_alias_int i32
#define dh_alias_i64 i64
#define dh_alias_s64 i64
#define dh_alias_i128 i128
#define dh_alias_f16 i32
#define dh_alias_f32 i32
#define dh_alias_f64 i64
#define dh_alias_ptr ptr
#define dh_alias_cptr ptr
#define dh_alias_void void
#define dh_alias_noreturn noreturn
#define dh_alias(t) glue(dh_alias_, t)
#define dh_ctype_i32 uint32_t
#define dh_ctype_s32 int32_t
#define dh_ctype_int int
#define dh_ctype_i64 uint64_t
#define dh_ctype_s64 int64_t
#define dh_ctype_i128 Int128
#define dh_ctype_f16 uint32_t
#define dh_ctype_f32 float32
#define dh_ctype_f64 float64
#define dh_ctype_ptr void *
#define dh_ctype_cptr const void *
#define dh_ctype_void void
#define dh_ctype_noreturn G_NORETURN void
#define dh_ctype(t) dh_ctype_##t
#ifdef NEED_CPU_H
# ifdef TARGET_LONG_BITS
# if TARGET_LONG_BITS == 32
# define dh_alias_tl i32
# define dh_typecode_tl dh_typecode_i32
# else
# define dh_alias_tl i64
# define dh_typecode_tl dh_typecode_i64
# endif
# endif
# define dh_ctype_tl target_ulong
# define dh_alias_env ptr
# define dh_ctype_env CPUArchState *
# define dh_typecode_env dh_typecode_ptr
#endif
/* We can't use glue() here because it falls foul of C preprocessor
recursive expansion rules. */
#define dh_retvar_decl0_void void
#define dh_retvar_decl0_noreturn void
#define dh_retvar_decl0_i32 TCGv_i32 retval
#define dh_retvar_decl0_i64 TCGv_i64 retval
#define dh_retval_decl0_i128 TCGv_i128 retval
#define dh_retvar_decl0_ptr TCGv_ptr retval
#define dh_retvar_decl0(t) glue(dh_retvar_decl0_, dh_alias(t))
#define dh_retvar_decl_void
#define dh_retvar_decl_noreturn
#define dh_retvar_decl_i32 TCGv_i32 retval,
#define dh_retvar_decl_i64 TCGv_i64 retval,
#define dh_retvar_decl_i128 TCGv_i128 retval,
#define dh_retvar_decl_ptr TCGv_ptr retval,
#define dh_retvar_decl(t) glue(dh_retvar_decl_, dh_alias(t))
#define dh_retvar_void NULL
#define dh_retvar_noreturn NULL
#define dh_retvar_i32 tcgv_i32_temp(retval)
#define dh_retvar_i64 tcgv_i64_temp(retval)
#define dh_retvar_i128 tcgv_i128_temp(retval)
#define dh_retvar_ptr tcgv_ptr_temp(retval)
#define dh_retvar(t) glue(dh_retvar_, dh_alias(t))
#define dh_typecode_void 0
#define dh_typecode_noreturn 0
#define dh_typecode_i32 2
#define dh_typecode_s32 3
#define dh_typecode_i64 4
#define dh_typecode_s64 5
#define dh_typecode_ptr 6
#define dh_typecode_i128 7
#define dh_typecode_int dh_typecode_s32
#define dh_typecode_f16 dh_typecode_i32
#define dh_typecode_f32 dh_typecode_i32
#define dh_typecode_f64 dh_typecode_i64
#define dh_typecode_cptr dh_typecode_ptr
#define dh_typecode(t) dh_typecode_##t
#define dh_callflag_i32 0
#define dh_callflag_i64 0
#define dh_callflag_i128 0
#define dh_callflag_ptr 0
#define dh_callflag_void 0
#define dh_callflag_noreturn TCG_CALL_NO_RETURN
#define dh_callflag(t) glue(dh_callflag_, dh_alias(t))
#define dh_typemask(t, n) (dh_typecode(t) << (n * 3))
#define dh_arg(t, n) \
glue(glue(tcgv_, dh_alias(t)), _temp)(glue(arg, n))
#define dh_arg_decl(t, n) glue(TCGv_, dh_alias(t)) glue(arg, n)
#define DEF_HELPER_0(name, ret) \
DEF_HELPER_FLAGS_0(name, 0, ret)
#define DEF_HELPER_1(name, ret, t1) \
DEF_HELPER_FLAGS_1(name, 0, ret, t1)
#define DEF_HELPER_2(name, ret, t1, t2) \
DEF_HELPER_FLAGS_2(name, 0, ret, t1, t2)
#define DEF_HELPER_3(name, ret, t1, t2, t3) \
DEF_HELPER_FLAGS_3(name, 0, ret, t1, t2, t3)
#define DEF_HELPER_4(name, ret, t1, t2, t3, t4) \
DEF_HELPER_FLAGS_4(name, 0, ret, t1, t2, t3, t4)
#define DEF_HELPER_5(name, ret, t1, t2, t3, t4, t5) \
DEF_HELPER_FLAGS_5(name, 0, ret, t1, t2, t3, t4, t5)
#define DEF_HELPER_6(name, ret, t1, t2, t3, t4, t5, t6) \
DEF_HELPER_FLAGS_6(name, 0, ret, t1, t2, t3, t4, t5, t6)
#define DEF_HELPER_7(name, ret, t1, t2, t3, t4, t5, t6, t7) \
DEF_HELPER_FLAGS_7(name, 0, ret, t1, t2, t3, t4, t5, t6, t7)
/* MAX_CALL_IARGS must be set to n if last entry is DEF_HELPER_FLAGS_n. */
#endif /* EXEC_HELPER_HEAD_H */
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