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m3_exec.h
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//
// m3_exec.h
//
// Created by Steven Massey on 4/17/19.
// Copyright © 2019 Steven Massey. All rights reserved.
#ifndef m3_exec_h
#define m3_exec_h
// TODO: all these functions could move over to the .c at some point. normally, i'd say screw it,
// but it might prove useful to be able to compile m3_exec alone w/ optimizations while the remaining
// code is at debug O0
#include "m3_exec_defs.h"
#include "m3_math_utils.h"
#include <math.h>
#include <limits.h>
# define rewrite_op(OP) * ((void **) (_pc-1)) = (void*)(OP)
# define d_m3RetSig static inline m3ret_t vectorcall
# define d_m3Op(NAME) d_m3RetSig op_##NAME (d_m3OpSig)
# define d_m3OpDef(NAME) m3ret_t vectorcall op_##NAME (d_m3OpSig)
# define d_m3OpDecl(NAME) d_m3OpDef (NAME);
# define immediate(TYPE) * ((TYPE *) _pc++)
# define skip_immediate(TYPE) (_pc++)
# define slot(TYPE) * (TYPE *) (_sp + immediate (i32))
# define slot_ptr(TYPE) (TYPE *) (_sp + immediate (i32))
#if M3_SIZEOF_PTR == 4
# define constant64(TYPE) * ((TYPE *) M3_INC(_pc,2))
#else
# define constant64(TYPE) * ((TYPE *) _pc++)
#endif
#define nextOpDirect() ((IM3Operation)(* _pc))(_pc + 1, d_m3OpArgs)
#define jumpOpDirect(PC) ((IM3Operation)(* PC))( PC + 1, d_m3OpArgs)
# if d_m3EnableOpProfiling
d_m3RetSig profileOp (d_m3OpSig, cstr_t i_operationName);
# define nextOp() profileOp (d_m3OpAllArgs, __FUNCTION__)
# elif d_m3TraceExec
# define nextOp() debugOp (d_m3OpAllArgs, __FUNCTION__)
# else
# define nextOp() nextOpDirect()
# endif
#define jumpOp(PC) jumpOpDirect((pc_t)PC)
d_m3RetSig Call (d_m3OpSig)
{
m3Yield ();
return nextOpDirect();
}
// TODO: OK, this needs some explanation here ;0
#define d_m3CommutativeOpMacro(RES, REG, TYPE, NAME, OP, ...) \
d_m3Op(TYPE##_##NAME##_sr) \
{ \
TYPE * stack = (TYPE *) (_sp + immediate (i32)); \
OP((RES), (* stack), ((TYPE) REG), ##__VA_ARGS__); \
return nextOp (); \
} \
d_m3Op(TYPE##_##NAME##_ss) \
{ \
TYPE * stackB = (TYPE *) (_sp + immediate (i32)); \
TYPE * stackA = (TYPE *) (_sp + immediate (i32)); \
OP((RES), (* stackA), (* stackB), ##__VA_ARGS__); \
return nextOp (); \
}
#define d_m3OpMacro(RES, REG, TYPE, NAME, OP, ...) \
d_m3Op(TYPE##_##NAME##_rs) \
{ \
TYPE * stack = (TYPE *) (_sp + immediate (i32)); \
OP((RES), ((TYPE) REG), (* stack), ##__VA_ARGS__); \
return nextOp (); \
} \
d_m3CommutativeOpMacro(RES, REG, TYPE,NAME, OP, ##__VA_ARGS__)
// Accept macros
#define d_m3CommutativeOpMacro_i(TYPE, NAME, MACRO, ...) d_m3CommutativeOpMacro ( _r0, _r0, TYPE, NAME, MACRO, ##__VA_ARGS__)
#define d_m3OpMacro_i(TYPE, NAME, MACRO, ...) d_m3OpMacro ( _r0, _r0, TYPE, NAME, MACRO, ##__VA_ARGS__)
#define d_m3CommutativeOpMacro_f(TYPE, NAME, MACRO, ...) d_m3CommutativeOpMacro (_fp0, _fp0, TYPE, NAME, MACRO, ##__VA_ARGS__)
#define d_m3OpMacro_f(TYPE, NAME, MACRO, ...) d_m3OpMacro (_fp0, _fp0, TYPE, NAME, MACRO, ##__VA_ARGS__)
#define M3_FUNC(RES, A, B, OP) (RES) = OP((A), (B)) // Accept functions: res = OP(a,b)
#define M3_OPER(RES, A, B, OP) (RES) = ((A) OP (B)) // Accept operators: res = a OP b
#define d_m3CommutativeOpFunc_i(TYPE, NAME, OP) d_m3CommutativeOpMacro_i (TYPE, NAME, M3_FUNC, OP)
#define d_m3OpFunc_i(TYPE, NAME, OP) d_m3OpMacro_i (TYPE, NAME, M3_FUNC, OP)
#define d_m3CommutativeOpFunc_f(TYPE, NAME, OP) d_m3CommutativeOpMacro_f (TYPE, NAME, M3_FUNC, OP)
#define d_m3OpFunc_f(TYPE, NAME, OP) d_m3OpMacro_f (TYPE, NAME, M3_FUNC, OP)
#define d_m3CommutativeOp_i(TYPE, NAME, OP) d_m3CommutativeOpMacro_i (TYPE, NAME, M3_OPER, OP)
#define d_m3Op_i(TYPE, NAME, OP) d_m3OpMacro_i (TYPE, NAME, M3_OPER, OP)
#define d_m3CommutativeOp_f(TYPE, NAME, OP) d_m3CommutativeOpMacro_f (TYPE, NAME, M3_OPER, OP)
#define d_m3Op_f(TYPE, NAME, OP) d_m3OpMacro_f (TYPE, NAME, M3_OPER, OP)
// compare needs to be distinct for fp 'cause the result must be _r0
#define d_m3CompareOp_f(TYPE, NAME, OP) d_m3OpMacro (_r0, _fp0, TYPE, NAME, M3_OPER, OP)
#define d_m3CommutativeCmpOp_f(TYPE, NAME, OP) d_m3CommutativeOpMacro (_r0, _fp0, TYPE, NAME, M3_OPER, OP)
//-----------------------
// signed
d_m3CommutativeOp_i (i32, Equal, ==) d_m3CommutativeOp_i (i64, Equal, ==)
d_m3CommutativeOp_i (i32, NotEqual, !=) d_m3CommutativeOp_i (i64, NotEqual, !=)
d_m3Op_i (i32, LessThan, < ) d_m3Op_i (i64, LessThan, < )
d_m3Op_i (i32, GreaterThan, > ) d_m3Op_i (i64, GreaterThan, > )
d_m3Op_i (i32, LessThanOrEqual, <=) d_m3Op_i (i64, LessThanOrEqual, <=)
d_m3Op_i (i32, GreaterThanOrEqual, >=) d_m3Op_i (i64, GreaterThanOrEqual, >=)
// unsigned
d_m3Op_i (u32, LessThan, < ) d_m3Op_i (u64, LessThan, < )
d_m3Op_i (u32, GreaterThan, > ) d_m3Op_i (u64, GreaterThan, > )
d_m3Op_i (u32, LessThanOrEqual, <=) d_m3Op_i (u64, LessThanOrEqual, <=)
d_m3Op_i (u32, GreaterThanOrEqual, >=) d_m3Op_i (u64, GreaterThanOrEqual, >=)
// float
d_m3CommutativeCmpOp_f (f32, Equal, ==) d_m3CommutativeCmpOp_f (f64, Equal, ==)
d_m3CommutativeCmpOp_f (f32, NotEqual, !=) d_m3CommutativeCmpOp_f (f64, NotEqual, !=)
d_m3CompareOp_f (f32, LessThan, < ) d_m3CompareOp_f (f64, LessThan, < )
d_m3CompareOp_f (f32, GreaterThan, > ) d_m3CompareOp_f (f64, GreaterThan, > )
d_m3CompareOp_f (f32, LessThanOrEqual, <=) d_m3CompareOp_f (f64, LessThanOrEqual, <=)
d_m3CompareOp_f (f32, GreaterThanOrEqual, >=) d_m3CompareOp_f (f64, GreaterThanOrEqual, >=)
d_m3CommutativeOp_i (i32, Add, +) d_m3CommutativeOp_i (i64, Add, +)
d_m3CommutativeOp_i (i32, Multiply, *) d_m3CommutativeOp_i (i64, Multiply, *)
d_m3Op_i (i32, Subtract, -) d_m3Op_i (i64, Subtract, -)
#define OP_SHL_32(X,N) ((X) << ((u32)(N) % 32))
#define OP_SHL_64(X,N) ((X) << ((u64)(N) % 64))
#define OP_SHR_32(X,N) ((X) >> ((u32)(N) % 32))
#define OP_SHR_64(X,N) ((X) >> ((u64)(N) % 64))
d_m3OpFunc_i (u32, ShiftLeft, OP_SHL_32) d_m3OpFunc_i (u64, ShiftLeft, OP_SHL_64)
d_m3OpFunc_i (i32, ShiftRight, OP_SHR_32) d_m3OpFunc_i (i64, ShiftRight, OP_SHR_64)
d_m3OpFunc_i (u32, ShiftRight, OP_SHR_32) d_m3OpFunc_i (u64, ShiftRight, OP_SHR_64)
d_m3CommutativeOp_i (u64, And, &)
d_m3CommutativeOp_i (u64, Or, |)
d_m3CommutativeOp_i (u64, Xor, ^)
d_m3CommutativeOp_f (f32, Add, +) d_m3CommutativeOp_f (f64, Add, +)
d_m3CommutativeOp_f (f32, Multiply, *) d_m3CommutativeOp_f (f64, Multiply, *)
d_m3Op_f (f32, Subtract, -) d_m3Op_f (f64, Subtract, -)
d_m3Op_f (f32, Divide, /) d_m3Op_f (f64, Divide, /)
d_m3OpFunc_i(u32, Rotl, rotl32)
d_m3OpFunc_i(u32, Rotr, rotr32)
d_m3OpFunc_i(u64, Rotl, rotl64)
d_m3OpFunc_i(u64, Rotr, rotr64)
d_m3OpMacro_i(u32, Divide, OP_DIV_U);
d_m3OpMacro_i(i32, Divide, OP_DIV_S, INT32_MIN);
d_m3OpMacro_i(u64, Divide, OP_DIV_U);
d_m3OpMacro_i(i64, Divide, OP_DIV_S, INT64_MIN);
d_m3OpMacro_i(u32, Remainder, OP_REM_U);
d_m3OpMacro_i(i32, Remainder, OP_REM_S, INT32_MIN);
d_m3OpMacro_i(u64, Remainder, OP_REM_U);
d_m3OpMacro_i(i64, Remainder, OP_REM_S, INT64_MIN);
d_m3OpFunc_f(f32, Min, min_f32);
d_m3OpFunc_f(f32, Max, max_f32);
d_m3OpFunc_f(f64, Min, min_f64);
d_m3OpFunc_f(f64, Max, max_f64);
d_m3OpFunc_f(f32, CopySign, copysignf);
d_m3OpFunc_f(f64, CopySign, copysign);
// Unary operations
// Note: This macro follows the principle of d_m3OpMacro
#define d_m3UnaryMacro(RES, REG, TYPE, NAME, OP, ...) \
d_m3Op(TYPE##_##NAME##_r) \
{ \
OP((RES), (TYPE) REG, ##__VA_ARGS__); \
return nextOp (); \
} \
d_m3Op(TYPE##_##NAME##_s) \
{ \
TYPE * stack = (TYPE *) (_sp + immediate (i32));\
OP((RES), (* stack), ##__VA_ARGS__); \
return nextOp (); \
}
#define M3_UNARY(RES, X, OP) (RES) = OP(X)
#define d_m3UnaryOp_i(TYPE, NAME, OPERATION) d_m3UnaryMacro( _r0, _r0, TYPE, NAME, M3_UNARY, OPERATION)
#define d_m3UnaryOp_f(TYPE, NAME, OPERATION) d_m3UnaryMacro(_fp0, _fp0, TYPE, NAME, M3_UNARY, OPERATION)
d_m3UnaryOp_f (f32, Abs, fabsf); d_m3UnaryOp_f (f64, Abs, fabs);
d_m3UnaryOp_f (f32, Ceil, ceilf); d_m3UnaryOp_f (f64, Ceil, ceil);
d_m3UnaryOp_f (f32, Floor, floorf); d_m3UnaryOp_f (f64, Floor, floor);
d_m3UnaryOp_f (f32, Trunc, truncf); d_m3UnaryOp_f (f64, Trunc, trunc);
d_m3UnaryOp_f (f32, Sqrt, sqrtf); d_m3UnaryOp_f (f64, Sqrt, sqrt);
d_m3UnaryOp_f (f32, Nearest, rintf); d_m3UnaryOp_f (f64, Nearest, rint);
d_m3UnaryOp_f (f32, Negate, -); d_m3UnaryOp_f (f64, Negate, -);
#define OP_EQZ(x) ((x) == 0)
d_m3UnaryOp_i (i32, EqualToZero, OP_EQZ)
d_m3UnaryOp_i (i64, EqualToZero, OP_EQZ)
// clz(0), ctz(0) results are undefined, fix it
#define OP_CLZ_32(x) (((x) == 0) ? 32 : __builtin_clz(x))
#define OP_CTZ_32(x) (((x) == 0) ? 32 : __builtin_ctz(x))
#define OP_CLZ_64(x) (((x) == 0) ? 64 : __builtin_clzll(x))
#define OP_CTZ_64(x) (((x) == 0) ? 64 : __builtin_ctzll(x))
d_m3UnaryOp_i (u32, Clz, OP_CLZ_32)
d_m3UnaryOp_i (u64, Clz, OP_CLZ_64)
d_m3UnaryOp_i (u32, Ctz, OP_CTZ_32)
d_m3UnaryOp_i (u64, Ctz, OP_CTZ_64)
d_m3UnaryOp_i (u32, Popcnt, __builtin_popcount)
d_m3UnaryOp_i (u64, Popcnt, __builtin_popcountll)
#define OP_WRAP_I64(X) ((X) & 0x00000000ffffffff)
d_m3UnaryOp_i (i32, Wrap_i64, OP_WRAP_I64)
#define d_m3TruncMacro(DEST, SRC, TYPE, NAME, FROM, OP, ...) \
d_m3Op(TYPE##_##NAME##_##FROM##_r_r) \
{ \
OP((DEST), (FROM) SRC, ##__VA_ARGS__); \
return nextOp (); \
} \
d_m3Op(TYPE##_##NAME##_##FROM##_r_s) \
{ \
FROM * stack = slot_ptr (FROM); \
OP((DEST), (* stack), ##__VA_ARGS__); \
return nextOp (); \
} \
d_m3Op(TYPE##_##NAME##_##FROM##_s_r) \
{ \
TYPE * dest = slot_ptr (TYPE); \
OP((* dest), (FROM) SRC, ##__VA_ARGS__); \
return nextOp (); \
} \
d_m3Op(TYPE##_##NAME##_##FROM##_s_s) \
{ \
FROM * stack = slot_ptr (FROM); \
TYPE * dest = slot_ptr (TYPE); \
OP((* dest), (* stack), ##__VA_ARGS__); \
return nextOp (); \
}
d_m3TruncMacro(_r0, _fp0, i32, Trunc, f32, OP_I32_TRUNC_F32)
d_m3TruncMacro(_r0, _fp0, u32, Trunc, f32, OP_U32_TRUNC_F32)
d_m3TruncMacro(_r0, _fp0, i32, Trunc, f64, OP_I32_TRUNC_F64)
d_m3TruncMacro(_r0, _fp0, u32, Trunc, f64, OP_U32_TRUNC_F64)
d_m3TruncMacro(_r0, _fp0, i64, Trunc, f32, OP_I64_TRUNC_F32)
d_m3TruncMacro(_r0, _fp0, u64, Trunc, f32, OP_U64_TRUNC_F32)
d_m3TruncMacro(_r0, _fp0, i64, Trunc, f64, OP_I64_TRUNC_F64)
d_m3TruncMacro(_r0, _fp0, u64, Trunc, f64, OP_U64_TRUNC_F64)
#define d_m3TypeModifyOp(REG_TO, REG_FROM, TO, NAME, FROM) \
d_m3Op(TO##_##NAME##_##FROM##_r) \
{ \
REG_TO = (TO) ((FROM) REG_FROM); \
return nextOp (); \
} \
\
d_m3Op(TO##_##NAME##_##FROM##_s) \
{ \
FROM from = slot (FROM); \
REG_TO = (TO) (from); \
return nextOp (); \
}
// Int to int
d_m3TypeModifyOp (_r0, _r0, i64, Extend, i32);
d_m3TypeModifyOp (_r0, _r0, i64, Extend, u32);
// Float to float
d_m3TypeModifyOp (_fp0, _fp0, f32, Demote, f64);
d_m3TypeModifyOp (_fp0, _fp0, f64, Promote, f32);
#define d_m3TypeConvertOp(REG_TO, REG_FROM, TO, NAME, FROM) \
d_m3Op(TO##_##NAME##_##FROM##_r_r) \
{ \
REG_TO = (TO) ((FROM) REG_FROM); \
return nextOp (); \
} \
\
d_m3Op(TO##_##NAME##_##FROM##_s_r) \
{ \
slot (TO) = (TO) ((FROM) REG_FROM); \
return nextOp (); \
} \
\
d_m3Op(TO##_##NAME##_##FROM##_r_s) \
{ \
FROM from = slot (FROM); \
REG_TO = (TO) (from); \
return nextOp (); \
} \
\
d_m3Op(TO##_##NAME##_##FROM##_s_s) \
{ \
FROM from = slot (FROM); \
slot (TO) = (TO) (from); \
return nextOp (); \
}
// Int to float
d_m3TypeConvertOp (_fp0, _r0, f64, Convert, i32);
d_m3TypeConvertOp (_fp0, _r0, f64, Convert, u32);
d_m3TypeConvertOp (_fp0, _r0, f64, Convert, i64);
d_m3TypeConvertOp (_fp0, _r0, f64, Convert, u64);
d_m3TypeConvertOp (_fp0, _r0, f32, Convert, i32);
d_m3TypeConvertOp (_fp0, _r0, f32, Convert, u32);
d_m3TypeConvertOp (_fp0, _r0, f32, Convert, i64);
d_m3TypeConvertOp (_fp0, _r0, f32, Convert, u64);
#define d_m3ReinterpretOp(REG, TO, SRC, FROM) \
d_m3Op(TO##_Reinterpret_##FROM##_r_r) \
{ \
union { FROM c; TO t; } u; \
u.c = (FROM) SRC; \
REG = u.t; \
return nextOp (); \
} \
\
d_m3Op(TO##_Reinterpret_##FROM##_r_s) \
{ \
union { FROM c; TO t; } u; \
u.c = slot (FROM); \
REG = u.t; \
return nextOp (); \
} \
\
d_m3Op(TO##_Reinterpret_##FROM##_s_r) \
{ \
union { FROM c; TO t; } u; \
u.c = (FROM) SRC; \
slot (TO) = u.t; \
return nextOp (); \
} \
\
d_m3Op(TO##_Reinterpret_##FROM##_s_s) \
{ \
union { FROM c; TO t; } u; \
u.c = slot (FROM); \
slot (TO) = u.t; \
return nextOp (); \
}
d_m3ReinterpretOp (_r0, i32, _fp0, f32)
d_m3ReinterpretOp (_r0, i64, _fp0, f64)
d_m3ReinterpretOp (_fp0, f32, _r0, i32)
d_m3ReinterpretOp (_fp0, f64, _r0, i64)
d_m3OpDecl (Loop)
d_m3OpDecl (If_r)
d_m3OpDecl (If_s)
#define d_m3Select_i(TYPE, REG) \
d_m3Op (Select_##TYPE##_rss) \
{ \
i32 condition = (i32) _r0; \
\
TYPE operand2 = slot (TYPE); \
TYPE operand1 = slot (TYPE); \
\
REG = (condition) ? operand1 : operand2; \
\
return nextOp (); \
} \
\
d_m3Op (Select_##TYPE##_srs) \
{ \
i32 condition = slot (i32); \
\
TYPE operand2 = (TYPE) REG; \
TYPE operand1 = slot (TYPE); \
\
REG = (condition) ? operand1 : operand2; \
\
return nextOp (); \
} \
\
d_m3Op (Select_##TYPE##_ssr) \
{ \
i32 condition = slot (i32); \
\
TYPE operand2 = slot (TYPE); \
TYPE operand1 = (TYPE) REG; \
\
REG = (condition) ? operand1 : operand2; \
\
return nextOp (); \
} \
\
d_m3Op (Select_##TYPE##_sss) \
{ \
i32 condition = slot (i32); \
\
TYPE operand2 = slot (TYPE); \
TYPE operand1 = slot (TYPE); \
\
REG = (condition) ? operand1 : operand2; \
\
return nextOp (); \
}
d_m3Select_i (i32, _r0)
d_m3Select_i (i64, _r0)
#define d_m3Select_f(TYPE, REG, LABEL, SELECTOR) \
d_m3Op (Select_##TYPE##_##LABEL##ss) \
{ \
i32 condition = (i32) SELECTOR; \
\
TYPE operand2 = slot (TYPE); \
TYPE operand1 = slot (TYPE); \
\
REG = (condition) ? operand1 : operand2; \
\
return nextOp (); \
} \
\
d_m3Op (Select_##TYPE##_##LABEL##rs) \
{ \
i32 condition = (i32) SELECTOR; \
\
TYPE operand2 = (TYPE) REG; \
TYPE operand1 = slot (TYPE); \
\
REG = (condition) ? operand1 : operand2; \
\
return nextOp (); \
} \
\
d_m3Op (Select_##TYPE##_##LABEL##sr) \
{ \
i32 condition = (i32) SELECTOR; \
\
TYPE operand2 = slot (TYPE); \
TYPE operand1 = (TYPE) REG; \
\
REG = (condition) ? operand1 : operand2; \
\
return nextOp (); \
}
d_m3Select_f (f32, _fp0, r, _r0)
d_m3Select_f (f32, _fp0, s, slot (i32))
d_m3Select_f (f64, _fp0, r, _r0)
d_m3Select_f (f64, _fp0, s, slot (i32))
d_m3Op (Return)
{
m3StackCheck();
return NULL;
}
d_m3Op (Branch)
{
return jumpOp (* _pc);
}
d_m3Op (Bridge)
{
return jumpOp (* _pc);
}
d_m3Op (BranchIf_r)
{
i32 condition = (i32) _r0;
pc_t branch = immediate (pc_t);
if (condition)
{
return jumpOp (branch);
}
else return nextOp ();
}
d_m3Op (BranchIf_s)
{
i32 condition = slot (i32);
pc_t branch = immediate (pc_t);
if (condition)
{
return jumpOp (branch);
}
else return nextOp ();
}
// branching to blocks that produce a (int) value
#define d_m3BranchIf(TYPE, LABEL, COND) \
d_m3Op (TYPE##_BranchIf_##LABEL##s) \
{ \
i32 condition = (i32) COND; \
TYPE value = slot (TYPE); \
pc_t branch = immediate (pc_t); \
\
if (condition) \
{ \
_r0 = value; \
return jumpOp (branch); \
} \
else return nextOp (); \
}
d_m3BranchIf (i32, r, _r0)
d_m3BranchIf (i64, r, _r0)
d_m3BranchIf (i32, s, slot (i32))
d_m3BranchIf (i64, s, slot (i32))
d_m3OpDecl (BranchTable)
d_m3Op (ContinueLoop)
{
// TODO: this is where execution can "escape" the M3 code and callback to the client / fiber switch
// OR it can go in the Loop operation. I think it's best to do here. adding code to the loop operation
// has the potential to increase its native-stack usage. (don't forget ContinueLoopIf too.)
void * loopId = immediate (void *);
return loopId;
}
d_m3Op (ContinueLoopIf)
{
i32 condition = (i32) _r0;
void * loopId = immediate (void *);
if (condition)
{
return loopId;
}
else return nextOp ();
}
d_m3OpDecl (Compile)
d_m3OpDecl (Call)
d_m3OpDecl (CallIndirect)
d_m3OpDecl (CallRawFunction)
d_m3OpDecl (Entry)
d_m3OpDecl (MemCurrent)
d_m3OpDecl (MemGrow)
d_m3Op (Const)
{
u64 constant = constant64 (u64);
i32 offset = immediate (i32);
* (_sp + offset) = constant;
return nextOp ();
}
d_m3Op (Unreachable)
{ m3log (exec, "*** trapping ***");
m3StackCheck();
return m3Err_trapUnreachable;
}
d_m3Op (End)
{
m3StackCheck();
return 0;
}
d_m3OpDecl (GetGlobal)
d_m3OpDecl (SetGlobal_i)
d_m3Op (SetGlobal_s)
{
i64 * global = immediate (i64 *);
* global = slot (i64);
return nextOp ();
}
d_m3Op (SetGlobal_f32)
{
f32 * global = immediate (f32 *);
* global = _fp0;
return nextOp ();
}
d_m3Op (SetGlobal_f64)
{
f64 * global = immediate (f64 *);
* global = _fp0;
return nextOp ();
}
d_m3OpDecl (CopySlot_32)
d_m3OpDecl (CopySlot_64)
d_m3Op (PreserveCopySlot_64)
{
u64 * dest = slot_ptr (u64);
u64 * src = slot_ptr (u64);
u64 * preserve = slot_ptr (u64);
* preserve = * dest;
* dest = * src;
return nextOp ();
}
#define d_m3SetRegisterSetSlot(TYPE, REG) \
d_m3Op (SetRegister_##TYPE) \
{ \
REG = slot (TYPE); \
return nextOp (); \
} \
\
d_m3Op (SetSlot_##TYPE) \
{ \
slot (TYPE) = (TYPE) REG; \
return nextOp (); \
} \
\
d_m3Op (PreserveSetSlot_##TYPE) \
{ \
TYPE * stack = slot_ptr (TYPE); \
TYPE * preserve = slot_ptr (TYPE); \
\
* preserve = * stack; \
* stack = (TYPE) REG; \
\
return nextOp (); \
}
d_m3SetRegisterSetSlot (i32, _r0)
d_m3SetRegisterSetSlot (i64, _r0)
d_m3SetRegisterSetSlot (f32, _fp0)
d_m3SetRegisterSetSlot (f64, _fp0)
#if defined(d_m3SkipMemoryBoundsCheck)
# define m3MemCheck(x) true
#else
# define m3MemCheck(x) LIKELY(x)
#endif
#ifdef DEBUG
#define d_outOfBounds return ErrorRuntime (m3Err_trapOutOfBoundsMemoryAccess, \
_mem->runtime, "memory size: %zu; access offset: %zu", \
_mem->length, operand)
#else
#define d_outOfBounds return m3Err_trapOutOfBoundsMemoryAccess
#endif
// memcpy here is to support non-aligned access on some platforms.
// TODO: check if this is optimized-out on x86/x64, and performance impact
#define d_m3Load(REG,DEST_TYPE,SRC_TYPE) \
d_m3Op(DEST_TYPE##_Load_##SRC_TYPE##_r) \
{ \
u32 offset = immediate (u32); \
u64 operand = (u32) _r0; \
operand += offset; \
\
if (m3MemCheck( \
operand + sizeof (SRC_TYPE) <= _mem->length \
)) { \
u8* src8 = m3MemData(_mem) + operand; \
SRC_TYPE value; \
memcpy(&value, src8, sizeof(value)); \
REG = (DEST_TYPE)value; \
return nextOp (); \
} else d_outOfBounds; \
} \
d_m3Op(DEST_TYPE##_Load_##SRC_TYPE##_s) \
{ \
u64 operand = * (u32 *) (_sp + immediate (i32)); \
u32 offset = immediate (u32); \
operand += offset; \
\
if (m3MemCheck( \
operand + sizeof (SRC_TYPE) <= _mem->length \
)) { \
u8* src8 = m3MemData(_mem) + operand; \
SRC_TYPE value; \
memcpy(&value, src8, sizeof(value)); \
REG = (DEST_TYPE)value; \
return nextOp (); \
} else d_outOfBounds; \
}
// printf ("get: %d -> %d\n", operand + offset, (i64) REG);
#define d_m3Load_i(DEST_TYPE, SRC_TYPE) d_m3Load(_r0, DEST_TYPE, SRC_TYPE)
#define d_m3Load_f(DEST_TYPE, SRC_TYPE) d_m3Load(_fp0, DEST_TYPE, SRC_TYPE)
d_m3Load_f (f32, f32);
d_m3Load_f (f64, f64);
d_m3Load_i (i32, i8);
d_m3Load_i (i32, u8);
d_m3Load_i (i32, i16);
d_m3Load_i (i32, u16);
d_m3Load_i (i32, i32);
d_m3Load_i (i64, i8);
d_m3Load_i (i64, u8);
d_m3Load_i (i64, i16);
d_m3Load_i (i64, u16);
d_m3Load_i (i64, i32);
d_m3Load_i (i64, u32);
d_m3Load_i (i64, i64);
#define d_m3Store(REG, SRC_TYPE, DEST_TYPE) \
d_m3Op (SRC_TYPE##_Store_##DEST_TYPE##_sr) \
{ \
u64 operand = slot (u32); \
u32 offset = immediate (u32); \
operand += offset; \
\
if (m3MemCheck( \
operand + sizeof (DEST_TYPE) <= _mem->length \
)) { \
u8* mem8 = m3MemData(_mem) + operand; \
DEST_TYPE val = (DEST_TYPE) REG; \
memcpy(mem8, &val, sizeof(val)); \
return nextOp (); \
} else d_outOfBounds; \
} \
d_m3Op (SRC_TYPE##_Store_##DEST_TYPE##_rs) \
{ \
SRC_TYPE value = slot (SRC_TYPE); \
u64 operand = (u32) REG; \
u32 offset = immediate (u32); \
operand += offset; \
\
if (m3MemCheck( \
operand + sizeof (DEST_TYPE) <= _mem->length \
)) { \
u8* mem8 = m3MemData(_mem) + operand; \
DEST_TYPE val = (DEST_TYPE) value; \
memcpy(mem8, &val, sizeof(val)); \
return nextOp (); \
} else d_outOfBounds; \
} \
d_m3Op (SRC_TYPE##_Store_##DEST_TYPE##_ss) \
{ \
SRC_TYPE value = slot (SRC_TYPE); \
u64 operand = slot (u32); \
u32 offset = immediate (u32); \
operand += offset; \
\
if (m3MemCheck( \
operand + sizeof (DEST_TYPE) <= _mem->length \
)) { \
u8* mem8 = m3MemData(_mem) + operand; \
DEST_TYPE val = (DEST_TYPE) value; \
memcpy(mem8, &val, sizeof(val)); \
return nextOp (); \
} else d_outOfBounds; \
}
// both operands can be in regs when storing a float
#define d_m3StoreFp(REG, TYPE) \
d_m3Op (TYPE##_Store_##TYPE##_rr) \
{ \
u64 operand = (u32) _r0; \
u32 offset = immediate (u32); \
operand += offset; \
\
if (m3MemCheck( \
operand + sizeof (TYPE) <= _mem->length \
)) { \
u8* mem8 = m3MemData(_mem) + operand; \
TYPE val = (TYPE) REG; \
memcpy(mem8, &val, sizeof(val)); \
return nextOp (); \
} else d_outOfBounds; \
}
#define d_m3Store_i(SRC_TYPE, DEST_TYPE) d_m3Store(_r0, SRC_TYPE, DEST_TYPE)
#define d_m3Store_f(SRC_TYPE, DEST_TYPE) d_m3Store(_fp0, SRC_TYPE, DEST_TYPE) d_m3StoreFp (_fp0, SRC_TYPE);
d_m3Store_f (f32, f32)
d_m3Store_f (f64, f64)
d_m3Store_i (i32, u8)
d_m3Store_i (i32, i16)
d_m3Store_i (i32, i32)
d_m3Store_i (i64, u8)
d_m3Store_i (i64, i16)
d_m3Store_i (i64, i32)
d_m3Store_i (i64, i64)
#undef m3MemCheck
//---------------------------------------------------------------------------------------------------------------------
# if d_m3EnableOptimizations
//---------------------------------------------------------------------------------------------------------------------
#define d_m3BinaryOpWith1_i(TYPE, NAME, OPERATION) \
d_m3Op(TYPE##_##NAME) \
{ \
_r0 = _r0 OPERATION 1; \
return nextOp (); \
}
d_m3BinaryOpWith1_i (u64, Increment, +)
d_m3BinaryOpWith1_i (u32, Decrement, -)
d_m3BinaryOpWith1_i (u32, ShiftLeft1, <<)
d_m3BinaryOpWith1_i (u64, ShiftLeft1, <<)
d_m3BinaryOpWith1_i (u32, ShiftRight1, >>)
d_m3BinaryOpWith1_i (u64, ShiftRight1, >>)
//---------------------------------------------------------------------------------------------------------------------
# endif
//---------------------------------------------------------------------------------------------------------------------
// debug/profiling
//---------------------------------------------------------------------------------------------------------------------
#if d_m3TraceExec
d_m3RetSig debugOp (d_m3OpSig, cstr_t i_opcode)
{
char name [100];
strcpy (name, strstr (i_opcode, "op_") + 3);
char * bracket = strstr (name, "(");
if (bracket) {
*bracket = 0;
}
puts (name);
return nextOpDirect();
}
# endif
# if d_m3RuntimeStackDumps
d_m3OpDecl (DumpStack)
# endif
# if d_m3EnableOpProfiling
static const u32 c_m3ProfilerSlotMask = 0xFFFF;
typedef struct M3ProfilerSlot
{
cstr_t opName;
u64 hitCount;
}
M3ProfilerSlot;
void ProfileHit (cstr_t i_operationName);
d_m3RetSig profileOp (d_m3OpSig, cstr_t i_operationName)
{
ProfileHit (i_operationName);
return nextOpDirect();
}
# endif
#endif // m3_exec_h