diff options
Diffstat (limited to 'vendor/github.com/bytedance/sonic/decoder/assembler_amd64_go117.go')
-rw-r--r-- | vendor/github.com/bytedance/sonic/decoder/assembler_amd64_go117.go | 1922 |
1 files changed, 1922 insertions, 0 deletions
diff --git a/vendor/github.com/bytedance/sonic/decoder/assembler_amd64_go117.go b/vendor/github.com/bytedance/sonic/decoder/assembler_amd64_go117.go new file mode 100644 index 000000000..8a70cfff6 --- /dev/null +++ b/vendor/github.com/bytedance/sonic/decoder/assembler_amd64_go117.go @@ -0,0 +1,1922 @@ +//go:build go1.17 && !go1.21 +// +build go1.17,!go1.21 + +/* + * Copyright 2021 ByteDance Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package decoder + +import ( + `encoding/json` + `fmt` + `math` + `reflect` + `strconv` + `unsafe` + + `github.com/bytedance/sonic/internal/caching` + `github.com/bytedance/sonic/internal/jit` + `github.com/bytedance/sonic/internal/native` + `github.com/bytedance/sonic/internal/native/types` + `github.com/bytedance/sonic/internal/rt` + `github.com/twitchyliquid64/golang-asm/obj` + `github.com/twitchyliquid64/golang-asm/obj/x86` +) + +/** Register Allocations + * + * State Registers: + * + * %r13 : stack base + * %r10 : input pointer + * %r12 : input length + * %r11 : input cursor + * %r15 : value pointer + * + * Error Registers: + * + * %rax : error type register + * %rbx : error pointer register + */ + +/** Function Prototype & Stack Map + * + * func (s string, ic int, vp unsafe.Pointer, sb *_Stack, fv uint64, sv string) (rc int, err error) + * + * s.buf : (FP) + * s.len : 8(FP) + * ic : 16(FP) + * vp : 24(FP) + * sb : 32(FP) + * fv : 40(FP) + * sv : 56(FP) + * err.vt : 72(FP) + * err.vp : 80(FP) + */ + +const ( + _FP_args = 72 // 72 bytes to pass and spill register arguements + _FP_fargs = 80 // 80 bytes for passing arguments to other Go functions + _FP_saves = 48 // 48 bytes for saving the registers before CALL instructions + _FP_locals = 144 // 144 bytes for local variables +) + +const ( + _FP_offs = _FP_fargs + _FP_saves + _FP_locals + _FP_size = _FP_offs + 8 // 8 bytes for the parent frame pointer + _FP_base = _FP_size + 8 // 8 bytes for the return address +) + +const ( + _IM_null = 0x6c6c756e // 'null' + _IM_true = 0x65757274 // 'true' + _IM_alse = 0x65736c61 // 'alse' ('false' without the 'f') +) + +const ( + _BM_space = (1 << ' ') | (1 << '\t') | (1 << '\r') | (1 << '\n') +) + +const ( + _MODE_JSON = 1 << 3 // base64 mode +) + +const ( + _LB_error = "_error" + _LB_im_error = "_im_error" + _LB_eof_error = "_eof_error" + _LB_type_error = "_type_error" + _LB_field_error = "_field_error" + _LB_range_error = "_range_error" + _LB_stack_error = "_stack_error" + _LB_base64_error = "_base64_error" + _LB_unquote_error = "_unquote_error" + _LB_parsing_error = "_parsing_error" + _LB_parsing_error_v = "_parsing_error_v" + _LB_mismatch_error = "_mismatch_error" +) + +const ( + _LB_char_0_error = "_char_0_error" + _LB_char_1_error = "_char_1_error" + _LB_char_2_error = "_char_2_error" + _LB_char_3_error = "_char_3_error" + _LB_char_4_error = "_char_4_error" + _LB_char_m2_error = "_char_m2_error" + _LB_char_m3_error = "_char_m3_error" +) + +const ( + _LB_skip_one = "_skip_one" + _LB_skip_key_value = "_skip_key_value" +) + +var ( + _AX = jit.Reg("AX") + _BX = jit.Reg("BX") + _CX = jit.Reg("CX") + _DX = jit.Reg("DX") + _DI = jit.Reg("DI") + _SI = jit.Reg("SI") + _BP = jit.Reg("BP") + _SP = jit.Reg("SP") + _R8 = jit.Reg("R8") + _R9 = jit.Reg("R9") + _X0 = jit.Reg("X0") + _X1 = jit.Reg("X1") +) + +var ( + _IP = jit.Reg("R10") // saved on BP when callc + _IC = jit.Reg("R11") // saved on BX when call_c + _IL = jit.Reg("R12") + _ST = jit.Reg("R13") + _VP = jit.Reg("R15") +) + +var ( + _DF = jit.Reg("AX") // reuse AX in generic decoder for flags + _ET = jit.Reg("AX") + _EP = jit.Reg("BX") +) + + + +var ( + _ARG_s = _ARG_sp + _ARG_sp = jit.Ptr(_SP, _FP_base + 0) + _ARG_sl = jit.Ptr(_SP, _FP_base + 8) + _ARG_ic = jit.Ptr(_SP, _FP_base + 16) + _ARG_vp = jit.Ptr(_SP, _FP_base + 24) + _ARG_sb = jit.Ptr(_SP, _FP_base + 32) + _ARG_fv = jit.Ptr(_SP, _FP_base + 40) +) + +var ( + _ARG_sv = _ARG_sv_p + _ARG_sv_p = jit.Ptr(_SP, _FP_base + 48) + _ARG_sv_n = jit.Ptr(_SP, _FP_base + 56) + _ARG_vk = jit.Ptr(_SP, _FP_base + 64) +) + +var ( + _VAR_st = _VAR_st_Vt + _VAR_sr = jit.Ptr(_SP, _FP_fargs + _FP_saves) +) + +var ( + _VAR_st_Vt = jit.Ptr(_SP, _FP_fargs + _FP_saves + 0) + _VAR_st_Dv = jit.Ptr(_SP, _FP_fargs + _FP_saves + 8) + _VAR_st_Iv = jit.Ptr(_SP, _FP_fargs + _FP_saves + 16) + _VAR_st_Ep = jit.Ptr(_SP, _FP_fargs + _FP_saves + 24) + _VAR_st_Db = jit.Ptr(_SP, _FP_fargs + _FP_saves + 32) + _VAR_st_Dc = jit.Ptr(_SP, _FP_fargs + _FP_saves + 40) +) + +var ( + _VAR_ss_AX = jit.Ptr(_SP, _FP_fargs + _FP_saves + 48) + _VAR_ss_CX = jit.Ptr(_SP, _FP_fargs + _FP_saves + 56) + _VAR_ss_SI = jit.Ptr(_SP, _FP_fargs + _FP_saves + 64) + _VAR_ss_R8 = jit.Ptr(_SP, _FP_fargs + _FP_saves + 72) + _VAR_ss_R9 = jit.Ptr(_SP, _FP_fargs + _FP_saves + 80) +) + +var ( + _VAR_bs_p = jit.Ptr(_SP, _FP_fargs + _FP_saves + 88) + _VAR_bs_n = jit.Ptr(_SP, _FP_fargs + _FP_saves + 96) + _VAR_bs_LR = jit.Ptr(_SP, _FP_fargs + _FP_saves + 104) +) + +var _VAR_fl = jit.Ptr(_SP, _FP_fargs + _FP_saves + 112) + +var ( + _VAR_et = jit.Ptr(_SP, _FP_fargs + _FP_saves + 120) // save dismatched type + _VAR_pc = jit.Ptr(_SP, _FP_fargs + _FP_saves + 128) // save skip return pc + _VAR_ic = jit.Ptr(_SP, _FP_fargs + _FP_saves + 136) // save dismatched position +) + +type _Assembler struct { + jit.BaseAssembler + p _Program + name string +} + +func newAssembler(p _Program) *_Assembler { + return new(_Assembler).Init(p) +} + +/** Assembler Interface **/ + +func (self *_Assembler) Load() _Decoder { + return ptodec(self.BaseAssembler.Load("decode_"+self.name, _FP_size, _FP_args, argPtrs, localPtrs)) +} + +func (self *_Assembler) Init(p _Program) *_Assembler { + self.p = p + self.BaseAssembler.Init(self.compile) + return self +} + +func (self *_Assembler) compile() { + self.prologue() + self.instrs() + self.epilogue() + self.copy_string() + self.escape_string() + self.escape_string_twice() + self.skip_one() + self.skip_key_value() + self.type_error() + self.mismatch_error() + self.field_error() + self.range_error() + self.stack_error() + self.base64_error() + self.parsing_error() +} + +/** Assembler Stages **/ + +var _OpFuncTab = [256]func(*_Assembler, *_Instr) { + _OP_any : (*_Assembler)._asm_OP_any, + _OP_dyn : (*_Assembler)._asm_OP_dyn, + _OP_str : (*_Assembler)._asm_OP_str, + _OP_bin : (*_Assembler)._asm_OP_bin, + _OP_bool : (*_Assembler)._asm_OP_bool, + _OP_num : (*_Assembler)._asm_OP_num, + _OP_i8 : (*_Assembler)._asm_OP_i8, + _OP_i16 : (*_Assembler)._asm_OP_i16, + _OP_i32 : (*_Assembler)._asm_OP_i32, + _OP_i64 : (*_Assembler)._asm_OP_i64, + _OP_u8 : (*_Assembler)._asm_OP_u8, + _OP_u16 : (*_Assembler)._asm_OP_u16, + _OP_u32 : (*_Assembler)._asm_OP_u32, + _OP_u64 : (*_Assembler)._asm_OP_u64, + _OP_f32 : (*_Assembler)._asm_OP_f32, + _OP_f64 : (*_Assembler)._asm_OP_f64, + _OP_unquote : (*_Assembler)._asm_OP_unquote, + _OP_nil_1 : (*_Assembler)._asm_OP_nil_1, + _OP_nil_2 : (*_Assembler)._asm_OP_nil_2, + _OP_nil_3 : (*_Assembler)._asm_OP_nil_3, + _OP_deref : (*_Assembler)._asm_OP_deref, + _OP_index : (*_Assembler)._asm_OP_index, + _OP_is_null : (*_Assembler)._asm_OP_is_null, + _OP_is_null_quote : (*_Assembler)._asm_OP_is_null_quote, + _OP_map_init : (*_Assembler)._asm_OP_map_init, + _OP_map_key_i8 : (*_Assembler)._asm_OP_map_key_i8, + _OP_map_key_i16 : (*_Assembler)._asm_OP_map_key_i16, + _OP_map_key_i32 : (*_Assembler)._asm_OP_map_key_i32, + _OP_map_key_i64 : (*_Assembler)._asm_OP_map_key_i64, + _OP_map_key_u8 : (*_Assembler)._asm_OP_map_key_u8, + _OP_map_key_u16 : (*_Assembler)._asm_OP_map_key_u16, + _OP_map_key_u32 : (*_Assembler)._asm_OP_map_key_u32, + _OP_map_key_u64 : (*_Assembler)._asm_OP_map_key_u64, + _OP_map_key_f32 : (*_Assembler)._asm_OP_map_key_f32, + _OP_map_key_f64 : (*_Assembler)._asm_OP_map_key_f64, + _OP_map_key_str : (*_Assembler)._asm_OP_map_key_str, + _OP_map_key_utext : (*_Assembler)._asm_OP_map_key_utext, + _OP_map_key_utext_p : (*_Assembler)._asm_OP_map_key_utext_p, + _OP_array_skip : (*_Assembler)._asm_OP_array_skip, + _OP_array_clear : (*_Assembler)._asm_OP_array_clear, + _OP_array_clear_p : (*_Assembler)._asm_OP_array_clear_p, + _OP_slice_init : (*_Assembler)._asm_OP_slice_init, + _OP_slice_append : (*_Assembler)._asm_OP_slice_append, + _OP_object_skip : (*_Assembler)._asm_OP_object_skip, + _OP_object_next : (*_Assembler)._asm_OP_object_next, + _OP_struct_field : (*_Assembler)._asm_OP_struct_field, + _OP_unmarshal : (*_Assembler)._asm_OP_unmarshal, + _OP_unmarshal_p : (*_Assembler)._asm_OP_unmarshal_p, + _OP_unmarshal_text : (*_Assembler)._asm_OP_unmarshal_text, + _OP_unmarshal_text_p : (*_Assembler)._asm_OP_unmarshal_text_p, + _OP_lspace : (*_Assembler)._asm_OP_lspace, + _OP_match_char : (*_Assembler)._asm_OP_match_char, + _OP_check_char : (*_Assembler)._asm_OP_check_char, + _OP_load : (*_Assembler)._asm_OP_load, + _OP_save : (*_Assembler)._asm_OP_save, + _OP_drop : (*_Assembler)._asm_OP_drop, + _OP_drop_2 : (*_Assembler)._asm_OP_drop_2, + _OP_recurse : (*_Assembler)._asm_OP_recurse, + _OP_goto : (*_Assembler)._asm_OP_goto, + _OP_switch : (*_Assembler)._asm_OP_switch, + _OP_check_char_0 : (*_Assembler)._asm_OP_check_char_0, + _OP_dismatch_err : (*_Assembler)._asm_OP_dismatch_err, + _OP_go_skip : (*_Assembler)._asm_OP_go_skip, + _OP_add : (*_Assembler)._asm_OP_add, + _OP_debug : (*_Assembler)._asm_OP_debug, +} + +func (self *_Assembler) _asm_OP_debug(_ *_Instr) { + self.Byte(0xcc) +} + +func (self *_Assembler) instr(v *_Instr) { + if fn := _OpFuncTab[v.op()]; fn != nil { + fn(self, v) + } else { + panic(fmt.Sprintf("invalid opcode: %d", v.op())) + } +} + +func (self *_Assembler) instrs() { + for i, v := range self.p { + self.Mark(i) + self.instr(&v) + self.debug_instr(i, &v) + } +} + +func (self *_Assembler) epilogue() { + self.Mark(len(self.p)) + self.Emit("XORL", _EP, _EP) // XORL EP, EP + self.Emit("MOVQ", _VAR_et, _ET) // MOVQ VAR_et, ET + self.Emit("TESTQ", _ET, _ET) // TESTQ ET, ET + self.Sjmp("JNZ", _LB_mismatch_error) // JNZ _LB_mismatch_error + self.Link(_LB_error) // _error: + self.Emit("MOVQ", _EP, _CX) // MOVQ BX, CX + self.Emit("MOVQ", _ET, _BX) // MOVQ AX, BX + self.Emit("MOVQ", _IC, _AX) // MOVQ IC, AX + self.Emit("MOVQ", jit.Imm(0), _ARG_sp) // MOVQ $0, sv.p<>+48(FP) + self.Emit("MOVQ", jit.Imm(0), _ARG_vp) // MOVQ $0, sv.p<>+48(FP) + self.Emit("MOVQ", jit.Imm(0), _ARG_sv_p) // MOVQ $0, sv.p<>+48(FP) + self.Emit("MOVQ", jit.Imm(0), _ARG_vk) // MOVQ $0, vk<>+64(FP) + self.Emit("MOVQ", jit.Ptr(_SP, _FP_offs), _BP) // MOVQ _FP_offs(SP), BP + self.Emit("ADDQ", jit.Imm(_FP_size), _SP) // ADDQ $_FP_size, SP + self.Emit("RET") // RET +} + +func (self *_Assembler) prologue() { + self.Emit("SUBQ", jit.Imm(_FP_size), _SP) // SUBQ $_FP_size, SP + self.Emit("MOVQ", _BP, jit.Ptr(_SP, _FP_offs)) // MOVQ BP, _FP_offs(SP) + self.Emit("LEAQ", jit.Ptr(_SP, _FP_offs), _BP) // LEAQ _FP_offs(SP), BP + self.Emit("MOVQ", _AX, _ARG_sp) // MOVQ AX, s.p<>+0(FP) + self.Emit("MOVQ", _AX, _IP) // MOVQ AX, IP + self.Emit("MOVQ", _BX, _ARG_sl) // MOVQ BX, s.l<>+8(FP) + self.Emit("MOVQ", _BX, _IL) // MOVQ BX, IL + self.Emit("MOVQ", _CX, _ARG_ic) // MOVQ CX, ic<>+16(FP) + self.Emit("MOVQ", _CX, _IC) // MOVQ CX, IC + self.Emit("MOVQ", _DI, _ARG_vp) // MOVQ DI, vp<>+24(FP) + self.Emit("MOVQ", _DI, _VP) // MOVQ DI, VP + self.Emit("MOVQ", _SI, _ARG_sb) // MOVQ SI, sb<>+32(FP) + self.Emit("MOVQ", _SI, _ST) // MOVQ SI, ST + self.Emit("MOVQ", _R8, _ARG_fv) // MOVQ R8, fv<>+40(FP) + self.Emit("MOVQ", jit.Imm(0), _ARG_sv_p) // MOVQ $0, sv.p<>+48(FP) + self.Emit("MOVQ", jit.Imm(0), _ARG_sv_n) // MOVQ $0, sv.n<>+56(FP) + self.Emit("MOVQ", jit.Imm(0), _ARG_vk) // MOVQ $0, vk<>+64(FP) + self.Emit("MOVQ", jit.Imm(0), _VAR_et) // MOVQ $0, et<>+120(FP) + // initialize digital buffer first + self.Emit("MOVQ", jit.Imm(_MaxDigitNums), _VAR_st_Dc) // MOVQ $_MaxDigitNums, ss.Dcap + self.Emit("LEAQ", jit.Ptr(_ST, _DbufOffset), _AX) // LEAQ _DbufOffset(ST), AX + self.Emit("MOVQ", _AX, _VAR_st_Db) // MOVQ AX, ss.Dbuf +} + +/** Function Calling Helpers **/ + +var ( + _REG_go = []obj.Addr { _ST, _VP, _IP, _IL, _IC } + _REG_rt = []obj.Addr { _ST, _VP, _IP, _IL, _IC, _IL } +) + +func (self *_Assembler) save(r ...obj.Addr) { + for i, v := range r { + if i > _FP_saves / 8 - 1 { + panic("too many registers to save") + } else { + self.Emit("MOVQ", v, jit.Ptr(_SP, _FP_fargs + int64(i) * 8)) + } + } +} + +func (self *_Assembler) load(r ...obj.Addr) { + for i, v := range r { + if i > _FP_saves / 8 - 1 { + panic("too many registers to load") + } else { + self.Emit("MOVQ", jit.Ptr(_SP, _FP_fargs + int64(i) * 8), v) + } + } +} + +func (self *_Assembler) call(fn obj.Addr) { + self.Emit("MOVQ", fn, _R9) // MOVQ ${fn}, R11 + self.Rjmp("CALL", _R9) // CALL R11 +} + +func (self *_Assembler) call_go(fn obj.Addr) { + self.save(_REG_go...) // SAVE $REG_go + self.call(fn) + self.load(_REG_go...) // LOAD $REG_go +} + +func (self *_Assembler) callc(fn obj.Addr) { + self.Emit("XCHGQ", _IP, _BP) + self.call(fn) + self.Emit("XCHGQ", _IP, _BP) +} + +func (self *_Assembler) call_c(fn obj.Addr) { + self.Emit("XCHGQ", _IC, _BX) + self.callc(fn) + self.Emit("XCHGQ", _IC, _BX) +} + +func (self *_Assembler) call_sf(fn obj.Addr) { + self.Emit("LEAQ", _ARG_s, _DI) // LEAQ s<>+0(FP), DI + self.Emit("MOVQ", _IC, _ARG_ic) // MOVQ IC, ic<>+16(FP) + self.Emit("LEAQ", _ARG_ic, _SI) // LEAQ ic<>+16(FP), SI + self.Emit("LEAQ", jit.Ptr(_ST, _FsmOffset), _DX) // LEAQ _FsmOffset(ST), DX + self.Emit("MOVQ", _ARG_fv, _CX) + self.callc(fn) + self.Emit("MOVQ", _ARG_ic, _IC) // MOVQ ic<>+16(FP), IC +} + +func (self *_Assembler) call_vf(fn obj.Addr) { + self.Emit("LEAQ", _ARG_s, _DI) // LEAQ s<>+0(FP), DI + self.Emit("MOVQ", _IC, _ARG_ic) // MOVQ IC, ic<>+16(FP) + self.Emit("LEAQ", _ARG_ic, _SI) // LEAQ ic<>+16(FP), SI + self.Emit("LEAQ", _VAR_st, _DX) // LEAQ st, DX + self.callc(fn) + self.Emit("MOVQ", _ARG_ic, _IC) // MOVQ ic<>+16(FP), IC +} + +/** Assembler Error Handlers **/ + +var ( + _F_convT64 = jit.Func(convT64) + _F_error_wrap = jit.Func(error_wrap) + _F_error_type = jit.Func(error_type) + _F_error_field = jit.Func(error_field) + _F_error_value = jit.Func(error_value) + _F_error_mismatch = jit.Func(error_mismatch) +) + +var ( + _I_int8 , _T_int8 = rtype(reflect.TypeOf(int8(0))) + _I_int16 , _T_int16 = rtype(reflect.TypeOf(int16(0))) + _I_int32 , _T_int32 = rtype(reflect.TypeOf(int32(0))) + _I_uint8 , _T_uint8 = rtype(reflect.TypeOf(uint8(0))) + _I_uint16 , _T_uint16 = rtype(reflect.TypeOf(uint16(0))) + _I_uint32 , _T_uint32 = rtype(reflect.TypeOf(uint32(0))) + _I_float32 , _T_float32 = rtype(reflect.TypeOf(float32(0))) +) + +var ( + _T_error = rt.UnpackType(errorType) + _I_base64_CorruptInputError = jit.Itab(_T_error, base64CorruptInputError) +) + +var ( + _V_stackOverflow = jit.Imm(int64(uintptr(unsafe.Pointer(&stackOverflow)))) + _I_json_UnsupportedValueError = jit.Itab(_T_error, reflect.TypeOf(new(json.UnsupportedValueError))) +) + +func (self *_Assembler) type_error() { + self.Link(_LB_type_error) // _type_error: + self.call_go(_F_error_type) // CALL_GO error_type + self.Sjmp("JMP" , _LB_error) // JMP _error +} + +func (self *_Assembler) mismatch_error() { + self.Link(_LB_mismatch_error) // _type_error: + self.Emit("MOVQ", _ARG_sp, _AX) + self.Emit("MOVQ", _ARG_sl, _BX) + self.Emit("MOVQ", _VAR_ic, _CX) + self.Emit("MOVQ", _VAR_et, _DI) + self.call_go(_F_error_mismatch) // CALL_GO error_type + self.Sjmp("JMP" , _LB_error) // JMP _error +} + +func (self *_Assembler) field_error() { + self.Link(_LB_field_error) // _field_error: + self.Emit("MOVQ", _ARG_sv_p, _AX) // MOVQ sv.p, AX + self.Emit("MOVQ", _ARG_sv_n, _BX) // MOVQ sv.n, BX + self.call_go(_F_error_field) // CALL_GO error_field + self.Sjmp("JMP" , _LB_error) // JMP _error +} + +func (self *_Assembler) range_error() { + self.Link(_LB_range_error) // _range_error: + self.Emit("MOVQ", _ET, _CX) // MOVQ ET, CX + self.slice_from(_VAR_st_Ep, 0) // SLICE st.Ep, $0 + self.Emit("MOVQ", _DI, _AX) // MOVQ DI, AX + self.Emit("MOVQ", _EP, _DI) // MOVQ EP, DI + self.Emit("MOVQ", _SI, _BX) // MOVQ SI, BX + self.call_go(_F_error_value) // CALL_GO error_value + self.Sjmp("JMP" , _LB_error) // JMP _error +} + +func (self *_Assembler) stack_error() { + self.Link(_LB_stack_error) // _stack_error: + self.Emit("MOVQ", _V_stackOverflow, _EP) // MOVQ ${_V_stackOverflow}, EP + self.Emit("MOVQ", _I_json_UnsupportedValueError, _ET) // MOVQ ${_I_json_UnsupportedValueError}, ET + self.Sjmp("JMP" , _LB_error) // JMP _error +} + +func (self *_Assembler) base64_error() { + self.Link(_LB_base64_error) + self.Emit("NEGQ", _AX) // NEGQ AX + self.Emit("SUBQ", jit.Imm(1), _AX) // SUBQ $1, AX + self.call_go(_F_convT64) // CALL_GO convT64 + self.Emit("MOVQ", _AX, _EP) // MOVQ AX, EP + self.Emit("MOVQ", _I_base64_CorruptInputError, _ET) // MOVQ ${itab(base64.CorruptInputError)}, ET + self.Sjmp("JMP" , _LB_error) // JMP _error +} + +func (self *_Assembler) parsing_error() { + self.Link(_LB_eof_error) // _eof_error: + self.Emit("MOVQ" , _IL, _IC) // MOVQ IL, IC + self.Emit("MOVL" , jit.Imm(int64(types.ERR_EOF)), _EP) // MOVL ${types.ERR_EOF}, EP + self.Sjmp("JMP" , _LB_parsing_error) // JMP _parsing_error + self.Link(_LB_unquote_error) // _unquote_error: + self.Emit("SUBQ" , _VAR_sr, _SI) // SUBQ sr, SI + self.Emit("SUBQ" , _SI, _IC) // SUBQ IL, IC + self.Link(_LB_parsing_error_v) // _parsing_error_v: + self.Emit("MOVQ" , _AX, _EP) // MOVQ AX, EP + self.Emit("NEGQ" , _EP) // NEGQ EP + self.Sjmp("JMP" , _LB_parsing_error) // JMP _parsing_error + self.Link(_LB_char_m3_error) // _char_m3_error: + self.Emit("SUBQ" , jit.Imm(1), _IC) // SUBQ $1, IC + self.Link(_LB_char_m2_error) // _char_m2_error: + self.Emit("SUBQ" , jit.Imm(2), _IC) // SUBQ $2, IC + self.Sjmp("JMP" , _LB_char_0_error) // JMP _char_0_error + self.Link(_LB_im_error) // _im_error: + self.Emit("CMPB" , _CX, jit.Sib(_IP, _IC, 1, 0)) // CMPB CX, (IP)(IC) + self.Sjmp("JNE" , _LB_char_0_error) // JNE _char_0_error + self.Emit("SHRL" , jit.Imm(8), _CX) // SHRL $8, CX + self.Emit("CMPB" , _CX, jit.Sib(_IP, _IC, 1, 1)) // CMPB CX, 1(IP)(IC) + self.Sjmp("JNE" , _LB_char_1_error) // JNE _char_1_error + self.Emit("SHRL" , jit.Imm(8), _CX) // SHRL $8, CX + self.Emit("CMPB" , _CX, jit.Sib(_IP, _IC, 1, 2)) // CMPB CX, 2(IP)(IC) + self.Sjmp("JNE" , _LB_char_2_error) // JNE _char_2_error + self.Sjmp("JMP" , _LB_char_3_error) // JNE _char_3_error + self.Link(_LB_char_4_error) // _char_4_error: + self.Emit("ADDQ" , jit.Imm(1), _IC) // ADDQ $1, IC + self.Link(_LB_char_3_error) // _char_3_error: + self.Emit("ADDQ" , jit.Imm(1), _IC) // ADDQ $1, IC + self.Link(_LB_char_2_error) // _char_2_error: + self.Emit("ADDQ" , jit.Imm(1), _IC) // ADDQ $1, IC + self.Link(_LB_char_1_error) // _char_1_error: + self.Emit("ADDQ" , jit.Imm(1), _IC) // ADDQ $1, IC + self.Link(_LB_char_0_error) // _char_0_error: + self.Emit("MOVL" , jit.Imm(int64(types.ERR_INVALID_CHAR)), _EP) // MOVL ${types.ERR_INVALID_CHAR}, EP + self.Link(_LB_parsing_error) // _parsing_error: + self.Emit("MOVQ" , _EP, _DI) // MOVQ EP, DI + self.Emit("MOVQ", _ARG_sp, _AX) // MOVQ sp, AX + self.Emit("MOVQ", _ARG_sl, _BX) // MOVQ sl, BX + self.Emit("MOVQ" , _IC, _CX) // MOVQ IC, CX + self.call_go(_F_error_wrap) // CALL_GO error_wrap + self.Sjmp("JMP" , _LB_error) // JMP _error +} + +func (self *_Assembler) _asm_OP_dismatch_err(p *_Instr) { + self.Emit("MOVQ", _IC, _VAR_ic) + self.Emit("MOVQ", jit.Type(p.vt()), _ET) + self.Emit("MOVQ", _ET, _VAR_et) +} + +func (self *_Assembler) _asm_OP_go_skip(p *_Instr) { + self.Byte(0x4c, 0x8d, 0x0d) // LEAQ (PC), R9 + self.Xref(p.vi(), 4) + // self.Byte(0xcc) + self.Emit("MOVQ", _R9, _VAR_pc) + self.Sjmp("JMP" , _LB_skip_one) // JMP _skip_one +} + +func (self *_Assembler) skip_one() { + self.Link(_LB_skip_one) // _skip: + self.Emit("MOVQ", _VAR_ic, _IC) // MOVQ _VAR_ic, IC + self.call_sf(_F_skip_one) // CALL_SF skip_one + self.Emit("TESTQ", _AX, _AX) // TESTQ AX, AX + self.Sjmp("JS" , _LB_parsing_error_v) // JS _parse_error_v + self.Emit("MOVQ" , _VAR_pc, _R9) // MOVQ pc, R9 + // self.Byte(0xcc) + self.Rjmp("JMP" , _R9) // JMP (R9) +} + +func (self *_Assembler) skip_key_value() { + self.Link(_LB_skip_key_value) // _skip: + // skip the key + self.Emit("MOVQ", _VAR_ic, _IC) // MOVQ _VAR_ic, IC + self.call_sf(_F_skip_one) // CALL_SF skip_one + self.Emit("TESTQ", _AX, _AX) // TESTQ AX, AX + self.Sjmp("JS" , _LB_parsing_error_v) // JS _parse_error_v + // match char ':' + self.lspace("_global_1") + self.Emit("CMPB", jit.Sib(_IP, _IC, 1, 0), jit.Imm(':')) + self.Sjmp("JNE" , _LB_parsing_error_v) // JNE _parse_error_v + self.Emit("ADDQ", jit.Imm(1), _IC) // ADDQ $1, IC + self.lspace("_global_2") + // skip the value + self.call_sf(_F_skip_one) // CALL_SF skip_one + self.Emit("TESTQ", _AX, _AX) // TESTQ AX, AX + self.Sjmp("JS" , _LB_parsing_error_v) // JS _parse_error_v + // jump back to specified address + self.Emit("MOVQ" , _VAR_pc, _R9) // MOVQ pc, R9 + self.Rjmp("JMP" , _R9) // JMP (R9) +} + + +/** Memory Management Routines **/ + +var ( + _T_byte = jit.Type(byteType) + _F_mallocgc = jit.Func(mallocgc) +) + +func (self *_Assembler) malloc_AX(nb obj.Addr, ret obj.Addr) { + self.Emit("MOVQ", nb, _AX) // MOVQ ${nb}, AX + self.Emit("MOVQ", _T_byte, _BX) // MOVQ ${type(byte)}, BX + self.Emit("XORL", _CX, _CX) // XORL CX, CX + self.call_go(_F_mallocgc) // CALL_GO mallocgc + self.Emit("MOVQ", _AX, ret) // MOVQ AX, ${ret} +} + +func (self *_Assembler) valloc(vt reflect.Type, ret obj.Addr) { + self.Emit("MOVQ", jit.Imm(int64(vt.Size())), _AX) // MOVQ ${vt.Size()}, AX + self.Emit("MOVQ", jit.Type(vt), _BX) // MOVQ ${vt}, BX + self.Emit("MOVB", jit.Imm(1), _CX) // MOVB $1, CX + self.call_go(_F_mallocgc) // CALL_GO mallocgc + self.Emit("MOVQ", _AX, ret) // MOVQ AX, ${ret} +} + +func (self *_Assembler) valloc_AX(vt reflect.Type) { + self.Emit("MOVQ", jit.Imm(int64(vt.Size())), _AX) // MOVQ ${vt.Size()}, AX + self.Emit("MOVQ", jit.Type(vt), _BX) // MOVQ ${vt}, BX + self.Emit("MOVB", jit.Imm(1), _CX) // MOVB $1, CX + self.call_go(_F_mallocgc) // CALL_GO mallocgc +} + +func (self *_Assembler) vfollow(vt reflect.Type) { + self.Emit("MOVQ" , jit.Ptr(_VP, 0), _AX) // MOVQ (VP), AX + self.Emit("TESTQ", _AX, _AX) // TESTQ AX, AX + self.Sjmp("JNZ" , "_end_{n}") // JNZ _end_{n} + self.valloc_AX(vt) // VALLOC ${vt}, AX + self.WritePtrAX(1, jit.Ptr(_VP, 0), true) // MOVQ AX, (VP) + self.Link("_end_{n}") // _end_{n}: + self.Emit("MOVQ" , _AX, _VP) // MOVQ AX, VP +} + +/** Value Parsing Routines **/ + +var ( + _F_vstring = jit.Imm(int64(native.S_vstring)) + _F_vnumber = jit.Imm(int64(native.S_vnumber)) + _F_vsigned = jit.Imm(int64(native.S_vsigned)) + _F_vunsigned = jit.Imm(int64(native.S_vunsigned)) +) + +func (self *_Assembler) check_err(vt reflect.Type, pin string, pin2 int) { + self.Emit("MOVQ" , _VAR_st_Vt, _AX) // MOVQ st.Vt, AX + self.Emit("TESTQ", _AX, _AX) // CMPQ AX, ${native.V_STRING} + // try to skip the value + if vt != nil { + self.Sjmp("JNS" , "_check_err_{n}") // JNE _parsing_error_v + self.Emit("MOVQ", jit.Type(vt), _ET) + self.Emit("MOVQ", _ET, _VAR_et) + if pin2 != -1 { + self.Emit("SUBQ", jit.Imm(1), _BX) + self.Emit("MOVQ", _BX, _VAR_ic) + self.Byte(0x4c , 0x8d, 0x0d) // LEAQ (PC), R9 + self.Xref(pin2, 4) + self.Emit("MOVQ", _R9, _VAR_pc) + self.Sjmp("JMP" , _LB_skip_key_value) + } else { + self.Emit("MOVQ", _BX, _VAR_ic) + self.Byte(0x4c , 0x8d, 0x0d) // LEAQ (PC), R9 + self.Sref(pin, 4) + self.Emit("MOVQ", _R9, _VAR_pc) + self.Sjmp("JMP" , _LB_skip_one) + } + self.Link("_check_err_{n}") + } else { + self.Sjmp("JS" , _LB_parsing_error_v) // JNE _parsing_error_v + } +} + +func (self *_Assembler) check_eof(d int64) { + if d == 1 { + self.Emit("CMPQ", _IC, _IL) // CMPQ IC, IL + self.Sjmp("JAE" , _LB_eof_error) // JAE _eof_error + } else { + self.Emit("LEAQ", jit.Ptr(_IC, d), _AX) // LEAQ ${d}(IC), AX + self.Emit("CMPQ", _AX, _IL) // CMPQ AX, IL + self.Sjmp("JA" , _LB_eof_error) // JA _eof_error + } +} + + +func (self *_Assembler) parse_string() { + self.Emit("MOVQ", _ARG_fv, _CX) + self.call_vf(_F_vstring) + self.check_err(nil, "", -1) +} + +func (self *_Assembler) parse_number(vt reflect.Type, pin string, pin2 int) { + self.Emit("MOVQ", _IC, _BX) // save ic when call native func + self.call_vf(_F_vnumber) + self.check_err(vt, pin, pin2) +} + +func (self *_Assembler) parse_signed(vt reflect.Type, pin string, pin2 int) { + self.Emit("MOVQ", _IC, _BX) // save ic when call native func + self.call_vf(_F_vsigned) + self.check_err(vt, pin, pin2) +} + +func (self *_Assembler) parse_unsigned(vt reflect.Type, pin string, pin2 int) { + self.Emit("MOVQ", _IC, _BX) // save ic when call native func + self.call_vf(_F_vunsigned) + self.check_err(vt, pin, pin2) +} + +// Pointer: DI, Size: SI, Return: R9 +func (self *_Assembler) copy_string() { + self.Link("_copy_string") + self.Emit("MOVQ", _DI, _VAR_bs_p) + self.Emit("MOVQ", _SI, _VAR_bs_n) + self.Emit("MOVQ", _R9, _VAR_bs_LR) + self.malloc_AX(_SI, _ARG_sv_p) + self.Emit("MOVQ", _VAR_bs_p, _BX) + self.Emit("MOVQ", _VAR_bs_n, _CX) + self.call_go(_F_memmove) + self.Emit("MOVQ", _ARG_sv_p, _DI) + self.Emit("MOVQ", _VAR_bs_n, _SI) + self.Emit("MOVQ", _VAR_bs_LR, _R9) + self.Rjmp("JMP", _R9) +} + +// Pointer: DI, Size: SI, Return: R9 +func (self *_Assembler) escape_string() { + self.Link("_escape_string") + self.Emit("MOVQ" , _DI, _VAR_bs_p) + self.Emit("MOVQ" , _SI, _VAR_bs_n) + self.Emit("MOVQ" , _R9, _VAR_bs_LR) + self.malloc_AX(_SI, _DX) // MALLOC SI, DX + self.Emit("MOVQ" , _DX, _ARG_sv_p) + self.Emit("MOVQ" , _VAR_bs_p, _DI) + self.Emit("MOVQ" , _VAR_bs_n, _SI) + self.Emit("LEAQ" , _VAR_sr, _CX) // LEAQ sr, CX + self.Emit("XORL" , _R8, _R8) // XORL R8, R8 + self.Emit("BTQ" , jit.Imm(_F_disable_urc), _ARG_fv) // BTQ ${_F_disable_urc}, fv + self.Emit("SETCC", _R8) // SETCC R8 + self.Emit("SHLQ" , jit.Imm(types.B_UNICODE_REPLACE), _R8) // SHLQ ${types.B_UNICODE_REPLACE}, R8 + self.call_c(_F_unquote) // CALL unquote + self.Emit("MOVQ" , _VAR_bs_n, _SI) // MOVQ ${n}, SI + self.Emit("ADDQ" , jit.Imm(1), _SI) // ADDQ $1, SI + self.Emit("TESTQ", _AX, _AX) // TESTQ AX, AX + self.Sjmp("JS" , _LB_unquote_error) // JS _unquote_error + self.Emit("MOVQ" , _AX, _SI) + self.Emit("MOVQ" , _ARG_sv_p, _DI) + self.Emit("MOVQ" , _VAR_bs_LR, _R9) + self.Rjmp("JMP", _R9) +} + +func (self *_Assembler) escape_string_twice() { + self.Link("_escape_string_twice") + self.Emit("MOVQ" , _DI, _VAR_bs_p) + self.Emit("MOVQ" , _SI, _VAR_bs_n) + self.Emit("MOVQ" , _R9, _VAR_bs_LR) + self.malloc_AX(_SI, _DX) // MALLOC SI, DX + self.Emit("MOVQ" , _DX, _ARG_sv_p) + self.Emit("MOVQ" , _VAR_bs_p, _DI) + self.Emit("MOVQ" , _VAR_bs_n, _SI) + self.Emit("LEAQ" , _VAR_sr, _CX) // LEAQ sr, CX + self.Emit("MOVL" , jit.Imm(types.F_DOUBLE_UNQUOTE), _R8) // MOVL ${types.F_DOUBLE_UNQUOTE}, R8 + self.Emit("BTQ" , jit.Imm(_F_disable_urc), _ARG_fv) // BTQ ${_F_disable_urc}, AX + self.Emit("XORL" , _AX, _AX) // XORL AX, AX + self.Emit("SETCC", _AX) // SETCC AX + self.Emit("SHLQ" , jit.Imm(types.B_UNICODE_REPLACE), _AX) // SHLQ ${types.B_UNICODE_REPLACE}, AX + self.Emit("ORQ" , _AX, _R8) // ORQ AX, R8 + self.call_c(_F_unquote) // CALL unquote + self.Emit("MOVQ" , _VAR_bs_n, _SI) // MOVQ ${n}, SI + self.Emit("ADDQ" , jit.Imm(3), _SI) // ADDQ $3, SI + self.Emit("TESTQ", _AX, _AX) // TESTQ AX, AX + self.Sjmp("JS" , _LB_unquote_error) // JS _unquote_error + self.Emit("MOVQ" , _AX, _SI) + self.Emit("MOVQ" , _ARG_sv_p, _DI) + self.Emit("MOVQ" , _VAR_bs_LR, _R9) + self.Rjmp("JMP", _R9) +} + +/** Range Checking Routines **/ + +var ( + _V_max_f32 = jit.Imm(int64(uintptr(unsafe.Pointer(_Vp_max_f32)))) + _V_min_f32 = jit.Imm(int64(uintptr(unsafe.Pointer(_Vp_min_f32)))) +) + +var ( + _Vp_max_f32 = new(float64) + _Vp_min_f32 = new(float64) +) + +func init() { + *_Vp_max_f32 = math.MaxFloat32 + *_Vp_min_f32 = -math.MaxFloat32 +} + +func (self *_Assembler) range_single_X0() { + self.Emit("MOVSD" , _VAR_st_Dv, _X0) // MOVSD st.Dv, X0 + self.Emit("MOVQ" , _V_max_f32, _CX) // MOVQ _max_f32, CX + self.Emit("MOVQ" , jit.Gitab(_I_float32), _ET) // MOVQ ${itab(float32)}, ET + self.Emit("MOVQ" , jit.Gtype(_T_float32), _EP) // MOVQ ${type(float32)}, EP + self.Emit("UCOMISD" , jit.Ptr(_CX, 0), _X0) // UCOMISD (CX), X0 + self.Sjmp("JA" , _LB_range_error) // JA _range_error + self.Emit("MOVQ" , _V_min_f32, _CX) // MOVQ _min_f32, CX + self.Emit("MOVSD" , jit.Ptr(_CX, 0), _X1) // MOVSD (CX), X1 + self.Emit("UCOMISD" , _X0, _X1) // UCOMISD X0, X1 + self.Sjmp("JA" , _LB_range_error) // JA _range_error + self.Emit("CVTSD2SS", _X0, _X0) // CVTSD2SS X0, X0 +} + +func (self *_Assembler) range_signed_CX(i *rt.GoItab, t *rt.GoType, a int64, b int64) { + self.Emit("MOVQ", _VAR_st_Iv, _CX) // MOVQ st.Iv, CX + self.Emit("MOVQ", jit.Gitab(i), _ET) // MOVQ ${i}, ET + self.Emit("MOVQ", jit.Gtype(t), _EP) // MOVQ ${t}, EP + self.Emit("CMPQ", _CX, jit.Imm(a)) // CMPQ CX, ${a} + self.Sjmp("JL" , _LB_range_error) // JL _range_error + self.Emit("CMPQ", _CX, jit.Imm(b)) // CMPQ CX, ${B} + self.Sjmp("JG" , _LB_range_error) // JG _range_error +} + +func (self *_Assembler) range_unsigned_CX(i *rt.GoItab, t *rt.GoType, v uint64) { + self.Emit("MOVQ" , _VAR_st_Iv, _CX) // MOVQ st.Iv, CX + self.Emit("MOVQ" , jit.Gitab(i), _ET) // MOVQ ${i}, ET + self.Emit("MOVQ" , jit.Gtype(t), _EP) // MOVQ ${t}, EP + self.Emit("TESTQ", _CX, _CX) // TESTQ CX, CX + self.Sjmp("JS" , _LB_range_error) // JS _range_error + self.Emit("CMPQ" , _CX, jit.Imm(int64(v))) // CMPQ CX, ${a} + self.Sjmp("JA" , _LB_range_error) // JA _range_error +} + +/** String Manipulating Routines **/ + +var ( + _F_unquote = jit.Imm(int64(native.S_unquote)) +) + +func (self *_Assembler) slice_from(p obj.Addr, d int64) { + self.Emit("MOVQ", p, _SI) // MOVQ ${p}, SI + self.slice_from_r(_SI, d) // SLICE_R SI, ${d} +} + +func (self *_Assembler) slice_from_r(p obj.Addr, d int64) { + self.Emit("LEAQ", jit.Sib(_IP, p, 1, 0), _DI) // LEAQ (IP)(${p}), DI + self.Emit("NEGQ", p) // NEGQ ${p} + self.Emit("LEAQ", jit.Sib(_IC, p, 1, d), _SI) // LEAQ d(IC)(${p}), SI +} + +func (self *_Assembler) unquote_once(p obj.Addr, n obj.Addr, stack bool, copy bool) { + self.slice_from(_VAR_st_Iv, -1) // SLICE st.Iv, $-1 + self.Emit("CMPQ", _VAR_st_Ep, jit.Imm(-1)) // CMPQ st.Ep, $-1 + self.Sjmp("JE" , "_noescape_{n}") // JE _escape_{n} + self.Byte(0x4c, 0x8d, 0x0d) // LEAQ (PC), R9 + self.Sref("_unquote_once_write_{n}", 4) + self.Sjmp("JMP" , "_escape_string") + self.Link("_noescape_{n}") + if copy { + self.Emit("BTQ" , jit.Imm(_F_copy_string), _ARG_fv) + self.Sjmp("JNC", "_unquote_once_write_{n}") + self.Byte(0x4c, 0x8d, 0x0d) // LEAQ (PC), R9 + self.Sref("_unquote_once_write_{n}", 4) + self.Sjmp("JMP", "_copy_string") + } + self.Link("_unquote_once_write_{n}") + self.Emit("MOVQ", _SI, n) // MOVQ SI, ${n} + if stack { + self.Emit("MOVQ", _DI, p) + } else { + self.WriteRecNotAX(10, _DI, p, false, false) + } +} + +func (self *_Assembler) unquote_twice(p obj.Addr, n obj.Addr, stack bool) { + self.Emit("CMPQ" , _VAR_st_Ep, jit.Imm(-1)) // CMPQ st.Ep, $-1 + self.Sjmp("JE" , _LB_eof_error) // JE _eof_error + self.Emit("CMPB" , jit.Sib(_IP, _IC, 1, -3), jit.Imm('\\')) // CMPB -3(IP)(IC), $'\\' + self.Sjmp("JNE" , _LB_char_m3_error) // JNE _char_m3_error + self.Emit("CMPB" , jit.Sib(_IP, _IC, 1, -2), jit.Imm('"')) // CMPB -2(IP)(IC), $'"' + self.Sjmp("JNE" , _LB_char_m2_error) // JNE _char_m2_error + self.slice_from(_VAR_st_Iv, -3) // SLICE st.Iv, $-3 + self.Emit("MOVQ" , _SI, _AX) // MOVQ SI, AX + self.Emit("ADDQ" , _VAR_st_Iv, _AX) // ADDQ st.Iv, AX + self.Emit("CMPQ" , _VAR_st_Ep, _AX) // CMPQ st.Ep, AX + self.Sjmp("JE" , "_noescape_{n}") // JE _noescape_{n} + self.Byte(0x4c, 0x8d, 0x0d) // LEAQ (PC), R9 + self.Sref("_unquote_twice_write_{n}", 4) + self.Sjmp("JMP" , "_escape_string_twice") + self.Link("_noescape_{n}") // _noescape_{n}: + self.Emit("BTQ" , jit.Imm(_F_copy_string), _ARG_fv) + self.Sjmp("JNC", "_unquote_twice_write_{n}") + self.Byte(0x4c, 0x8d, 0x0d) // LEAQ (PC), R9 + self.Sref("_unquote_twice_write_{n}", 4) + self.Sjmp("JMP", "_copy_string") + self.Link("_unquote_twice_write_{n}") + self.Emit("MOVQ" , _SI, n) // MOVQ SI, ${n} + if stack { + self.Emit("MOVQ", _DI, p) + } else { + self.WriteRecNotAX(12, _DI, p, false, false) + } + self.Link("_unquote_twice_end_{n}") +} + +/** Memory Clearing Routines **/ + +var ( + _F_memclrHasPointers = jit.Func(memclrHasPointers) + _F_memclrNoHeapPointers = jit.Func(memclrNoHeapPointers) +) + +func (self *_Assembler) mem_clear_fn(ptrfree bool) { + if !ptrfree { + self.call_go(_F_memclrHasPointers) + } else { + self.call_go(_F_memclrNoHeapPointers) + } +} + +func (self *_Assembler) mem_clear_rem(size int64, ptrfree bool) { + self.Emit("MOVQ", jit.Imm(size), _BX) // MOVQ ${size}, BX + self.Emit("MOVQ", jit.Ptr(_ST, 0), _AX) // MOVQ (ST), AX + self.Emit("MOVQ", jit.Sib(_ST, _AX, 1, 0), _AX) // MOVQ (ST)(AX), AX + self.Emit("SUBQ", _VP, _AX) // SUBQ VP, AX + self.Emit("ADDQ", _AX, _BX) // ADDQ AX, BX + self.Emit("MOVQ", _VP, _AX) // MOVQ VP, (SP) + self.mem_clear_fn(ptrfree) // CALL_GO memclr{Has,NoHeap}Pointers +} + +/** Map Assigning Routines **/ + +var ( + _F_mapassign = jit.Func(mapassign) + _F_mapassign_fast32 = jit.Func(mapassign_fast32) + _F_mapassign_faststr = jit.Func(mapassign_faststr) + _F_mapassign_fast64ptr = jit.Func(mapassign_fast64ptr) +) + +var ( + _F_decodeJsonUnmarshaler obj.Addr + _F_decodeTextUnmarshaler obj.Addr +) + +func init() { + _F_decodeJsonUnmarshaler = jit.Func(decodeJsonUnmarshaler) + _F_decodeTextUnmarshaler = jit.Func(decodeTextUnmarshaler) +} + +func (self *_Assembler) mapaccess_ptr(t reflect.Type) { + if rt.MapType(rt.UnpackType(t)).IndirectElem() { + self.vfollow(t.Elem()) + } +} + +func (self *_Assembler) mapassign_std(t reflect.Type, v obj.Addr) { + self.Emit("LEAQ", v, _AX) // LEAQ ${v}, AX + self.mapassign_call_from_AX(t, _F_mapassign) // MAPASSIGN ${t}, mapassign +} + +func (self *_Assembler) mapassign_str_fast(t reflect.Type, p obj.Addr, n obj.Addr) { + self.Emit("MOVQ", jit.Type(t), _AX) // MOVQ ${t}, AX + self.Emit("MOVQ", _VP, _BX) // MOVQ VP, BX + self.Emit("MOVQ", p, _CX) // MOVQ ${p}, CX + self.Emit("MOVQ", n, _DI) // MOVQ ${n}, DI + self.call_go(_F_mapassign_faststr) // CALL_GO ${fn} + self.Emit("MOVQ", _AX, _VP) // MOVQ AX, VP + self.mapaccess_ptr(t) +} + +func (self *_Assembler) mapassign_call_from_AX(t reflect.Type, fn obj.Addr) { + self.Emit("MOVQ", _AX, _CX) + self.Emit("MOVQ", jit.Type(t), _AX) // MOVQ ${t}, AX + self.Emit("MOVQ", _VP, _BX) // MOVQ VP, _BX + self.call_go(fn) // CALL_GO ${fn} + self.Emit("MOVQ", _AX, _VP) // MOVQ AX, VP +} + +func (self *_Assembler) mapassign_fastx(t reflect.Type, fn obj.Addr) { + self.mapassign_call_from_AX(t, fn) + self.mapaccess_ptr(t) +} + +func (self *_Assembler) mapassign_utext(t reflect.Type, addressable bool) { + pv := false + vk := t.Key() + tk := t.Key() + + /* deref pointer if needed */ + if vk.Kind() == reflect.Ptr { + pv = true + vk = vk.Elem() + } + + /* addressable value with pointer receiver */ + if addressable { + pv = false + tk = reflect.PtrTo(tk) + } + + /* allocate the key, and call the unmarshaler */ + self.valloc(vk, _BX) // VALLOC ${vk}, BX + // must spill vk pointer since next call_go may invoke GC + self.Emit("MOVQ" , _BX, _ARG_vk) + self.Emit("MOVQ" , jit.Type(tk), _AX) // MOVQ ${tk}, AX + self.Emit("MOVQ" , _ARG_sv_p, _CX) // MOVQ sv.p, CX + self.Emit("MOVQ" , _ARG_sv_n, _DI) // MOVQ sv.n, DI + self.call_go(_F_decodeTextUnmarshaler) // CALL_GO decodeTextUnmarshaler + self.Emit("TESTQ", _ET, _ET) // TESTQ ET, ET + self.Sjmp("JNZ" , _LB_error) // JNZ _error + self.Emit("MOVQ" , _ARG_vk, _AX) // MOVQ VAR.vk, AX + self.Emit("MOVQ", jit.Imm(0), _ARG_vk) + + /* select the correct assignment function */ + if !pv { + self.mapassign_call_from_AX(t, _F_mapassign) + } else { + self.mapassign_fastx(t, _F_mapassign_fast64ptr) + } +} + +/** External Unmarshaler Routines **/ + +var ( + _F_skip_one = jit.Imm(int64(native.S_skip_one)) + _F_skip_array = jit.Imm(int64(native.S_skip_array)) + _F_skip_object = jit.Imm(int64(native.S_skip_object)) + _F_skip_number = jit.Imm(int64(native.S_skip_number)) +) + +func (self *_Assembler) unmarshal_json(t reflect.Type, deref bool) { + self.call_sf(_F_skip_one) // CALL_SF skip_one + self.Emit("TESTQ", _AX, _AX) // TESTQ AX, AX + self.Sjmp("JS" , _LB_parsing_error_v) // JS _parse_error_v + self.slice_from_r(_AX, 0) // SLICE_R AX, $0 + self.Emit("MOVQ" , _DI, _ARG_sv_p) // MOVQ DI, sv.p + self.Emit("MOVQ" , _SI, _ARG_sv_n) // MOVQ SI, sv.n + self.unmarshal_func(t, _F_decodeJsonUnmarshaler, deref) // UNMARSHAL json, ${t}, ${deref} +} + +func (self *_Assembler) unmarshal_text(t reflect.Type, deref bool) { + self.parse_string() // PARSE STRING + self.unquote_once(_ARG_sv_p, _ARG_sv_n, true, true) // UNQUOTE once, sv.p, sv.n + self.unmarshal_func(t, _F_decodeTextUnmarshaler, deref) // UNMARSHAL text, ${t}, ${deref} +} + +func (self *_Assembler) unmarshal_func(t reflect.Type, fn obj.Addr, deref bool) { + pt := t + vk := t.Kind() + + /* allocate the field if needed */ + if deref && vk == reflect.Ptr { + self.Emit("MOVQ" , _VP, _BX) // MOVQ VP, BX + self.Emit("MOVQ" , jit.Ptr(_BX, 0), _BX) // MOVQ (BX), BX + self.Emit("TESTQ", _BX, _BX) // TESTQ BX, BX + self.Sjmp("JNZ" , "_deref_{n}") // JNZ _deref_{n} + self.valloc(t.Elem(), _BX) // VALLOC ${t.Elem()}, BX + self.WriteRecNotAX(3, _BX, jit.Ptr(_VP, 0), false, false) // MOVQ BX, (VP) + self.Link("_deref_{n}") // _deref_{n}: + } else { + /* set value pointer */ + self.Emit("MOVQ", _VP, _BX) // MOVQ (VP), BX + } + + /* set value type */ + self.Emit("MOVQ", jit.Type(pt), _AX) // MOVQ ${pt}, AX + + /* set the source string and call the unmarshaler */ + self.Emit("MOVQ" , _ARG_sv_p, _CX) // MOVQ sv.p, CX + self.Emit("MOVQ" , _ARG_sv_n, _DI) // MOVQ sv.n, DI + self.call_go(fn) // CALL_GO ${fn} + self.Emit("TESTQ", _ET, _ET) // TESTQ ET, ET + self.Sjmp("JNZ" , _LB_error) // JNZ _error +} + +/** Dynamic Decoding Routine **/ + +var ( + _F_decodeTypedPointer obj.Addr +) + +func init() { + _F_decodeTypedPointer = jit.Func(decodeTypedPointer) +} + +func (self *_Assembler) decode_dynamic(vt obj.Addr, vp obj.Addr) { + self.Emit("MOVQ" , vp, _SI) // MOVQ ${vp}, SI + self.Emit("MOVQ" , vt, _DI) // MOVQ ${vt}, DI + self.Emit("MOVQ", _ARG_sp, _AX) // MOVQ sp, AX + self.Emit("MOVQ", _ARG_sl, _BX) // MOVQ sp, BX + self.Emit("MOVQ" , _IC, _CX) // MOVQ IC, CX + self.Emit("MOVQ" , _ST, _R8) // MOVQ ST, R8 + self.Emit("MOVQ" , _ARG_fv, _R9) // MOVQ fv, R9 + self.save(_REG_rt...) + self.Emit("MOVQ", _F_decodeTypedPointer, _IL) // MOVQ ${fn}, R11 + self.Rjmp("CALL", _IL) // CALL R11 + self.load(_REG_rt...) + self.Emit("MOVQ" , _AX, _IC) // MOVQ AX, IC + self.Emit("MOVQ" , _BX, _ET) // MOVQ BX, ET + self.Emit("MOVQ" , _CX, _EP) // MOVQ CX, EP + self.Emit("TESTQ", _ET, _ET) // TESTQ ET, ET + self.Sjmp("JNZ" , _LB_error) // JNZ _error +} + +/** OpCode Assembler Functions **/ + +var ( + _F_memequal = jit.Func(memequal) + _F_memmove = jit.Func(memmove) + _F_growslice = jit.Func(growslice) + _F_makeslice = jit.Func(makeslice) + _F_makemap_small = jit.Func(makemap_small) + _F_mapassign_fast64 = jit.Func(mapassign_fast64) +) + +var ( + _F_lspace = jit.Imm(int64(native.S_lspace)) + _F_strhash = jit.Imm(int64(caching.S_strhash)) +) + +var ( + _F_b64decode = jit.Imm(int64(_subr__b64decode)) + _F_decodeValue = jit.Imm(int64(_subr_decode_value)) +) + +var ( + _F_FieldMap_GetCaseInsensitive obj.Addr +) + +const ( + _MODE_AVX2 = 1 << 2 +) + +const ( + _Fe_ID = int64(unsafe.Offsetof(caching.FieldEntry{}.ID)) + _Fe_Name = int64(unsafe.Offsetof(caching.FieldEntry{}.Name)) + _Fe_Hash = int64(unsafe.Offsetof(caching.FieldEntry{}.Hash)) +) + +const ( + _Vk_Ptr = int64(reflect.Ptr) + _Gt_KindFlags = int64(unsafe.Offsetof(rt.GoType{}.KindFlags)) +) + +func init() { + _F_FieldMap_GetCaseInsensitive = jit.Func((*caching.FieldMap).GetCaseInsensitive) +} + +func (self *_Assembler) _asm_OP_any(_ *_Instr) { + self.Emit("MOVQ" , jit.Ptr(_VP, 8), _CX) // MOVQ 8(VP), CX + self.Emit("TESTQ" , _CX, _CX) // TESTQ CX, CX + self.Sjmp("JZ" , "_decode_{n}") // JZ _decode_{n} + self.Emit("CMPQ" , _CX, _VP) // CMPQ CX, VP + self.Sjmp("JE" , "_decode_{n}") // JE _decode_{n} + self.Emit("MOVQ" , jit.Ptr(_VP, 0), _AX) // MOVQ (VP), AX + self.Emit("MOVBLZX", jit.Ptr(_AX, _Gt_KindFlags), _DX) // MOVBLZX _Gt_KindFlags(AX), DX + self.Emit("ANDL" , jit.Imm(rt.F_kind_mask), _DX) // ANDL ${F_kind_mask}, DX + self.Emit("CMPL" , _DX, jit.Imm(_Vk_Ptr)) // CMPL DX, ${reflect.Ptr} + self.Sjmp("JNE" , "_decode_{n}") // JNE _decode_{n} + self.Emit("LEAQ" , jit.Ptr(_VP, 8), _DI) // LEAQ 8(VP), DI + self.decode_dynamic(_AX, _DI) // DECODE AX, DI + self.Sjmp("JMP" , "_decode_end_{n}") // JMP _decode_end_{n} + self.Link("_decode_{n}") // _decode_{n}: + self.Emit("MOVQ" , _ARG_fv, _DF) // MOVQ fv, DF + self.Emit("MOVQ" , _ST, jit.Ptr(_SP, 0)) // MOVQ _ST, (SP) + self.call(_F_decodeValue) // CALL decodeValue + self.Emit("MOVQ" , jit.Imm(0), jit.Ptr(_SP, 0)) // MOVQ _ST, (SP) + self.Emit("TESTQ" , _EP, _EP) // TESTQ EP, EP + self.Sjmp("JNZ" , _LB_parsing_error) // JNZ _parsing_error + self.Link("_decode_end_{n}") // _decode_end_{n}: +} + +func (self *_Assembler) _asm_OP_dyn(p *_Instr) { + self.Emit("MOVQ" , jit.Type(p.vt()), _ET) // MOVQ ${p.vt()}, ET + self.Emit("CMPQ" , jit.Ptr(_VP, 8), jit.Imm(0)) // CMPQ 8(VP), $0 + self.Sjmp("JE" , _LB_type_error) // JE _type_error + self.Emit("MOVQ" , jit.Ptr(_VP, 0), _CX) // MOVQ (VP), CX + self.Emit("MOVQ" , jit.Ptr(_CX, 8), _CX) // MOVQ 8(CX), CX + self.Emit("MOVBLZX", jit.Ptr(_CX, _Gt_KindFlags), _DX) // MOVBLZX _Gt_KindFlags(CX), DX + self.Emit("ANDL" , jit.Imm(rt.F_kind_mask), _DX) // ANDL ${F_kind_mask}, DX + self.Emit("CMPL" , _DX, jit.Imm(_Vk_Ptr)) // CMPL DX, ${reflect.Ptr} + self.Sjmp("JNE" , _LB_type_error) // JNE _type_error + self.Emit("LEAQ" , jit.Ptr(_VP, 8), _DI) // LEAQ 8(VP), DI + self.decode_dynamic(_CX, _DI) // DECODE CX, DI + self.Link("_decode_end_{n}") // _decode_end_{n}: +} + +func (self *_Assembler) _asm_OP_str(_ *_Instr) { + self.parse_string() // PARSE STRING + self.unquote_once(jit.Ptr(_VP, 0), jit.Ptr(_VP, 8), false, true) // UNQUOTE once, (VP), 8(VP) +} + +func (self *_Assembler) _asm_OP_bin(_ *_Instr) { + self.parse_string() // PARSE STRING + self.slice_from(_VAR_st_Iv, -1) // SLICE st.Iv, $-1 + self.Emit("MOVQ" , _DI, jit.Ptr(_VP, 0)) // MOVQ DI, (VP) + self.Emit("MOVQ" , _SI, jit.Ptr(_VP, 8)) // MOVQ SI, 8(VP) + self.Emit("SHRQ" , jit.Imm(2), _SI) // SHRQ $2, SI + self.Emit("LEAQ" , jit.Sib(_SI, _SI, 2, 0), _SI) // LEAQ (SI)(SI*2), SI + self.Emit("MOVQ" , _SI, jit.Ptr(_VP, 16)) // MOVQ SI, 16(VP) + self.malloc_AX(_SI, _SI) // MALLOC SI, SI + + // TODO: due to base64x's bug, only use AVX mode now + self.Emit("MOVL", jit.Imm(_MODE_JSON), _CX) // MOVL $_MODE_JSON, CX + + /* call the decoder */ + self.Emit("XORL" , _DX, _DX) // XORL DX, DX + self.Emit("MOVQ" , _VP, _DI) // MOVQ VP, DI + + self.Emit("MOVQ" , jit.Ptr(_VP, 0), _R8) // MOVQ SI, (VP) + self.WriteRecNotAX(4, _SI, jit.Ptr(_VP, 0), true, false) // XCHGQ SI, (VP) + self.Emit("MOVQ" , _R8, _SI) + + self.Emit("XCHGQ", _DX, jit.Ptr(_VP, 8)) // XCHGQ DX, 8(VP) + self.call_c(_F_b64decode) // CALL b64decode + self.Emit("TESTQ", _AX, _AX) // TESTQ AX, AX + self.Sjmp("JS" , _LB_base64_error) // JS _base64_error + self.Emit("MOVQ" , _AX, jit.Ptr(_VP, 8)) // MOVQ AX, 8(VP) +} + +func (self *_Assembler) _asm_OP_bool(_ *_Instr) { + self.Emit("LEAQ", jit.Ptr(_IC, 4), _AX) // LEAQ 4(IC), AX + self.Emit("CMPQ", _AX, _IL) // CMPQ AX, IL + self.Sjmp("JA" , _LB_eof_error) // JA _eof_error + self.Emit("CMPB", jit.Sib(_IP, _IC, 1, 0), jit.Imm('f')) // CMPB (IP)(IC), $'f' + self.Sjmp("JE" , "_false_{n}") // JE _false_{n} + self.Emit("MOVL", jit.Imm(_IM_true), _CX) // MOVL $"true", CX + self.Emit("CMPL", _CX, jit.Sib(_IP, _IC, 1, 0)) // CMPL CX, (IP)(IC) + self.Sjmp("JE" , "_bool_true_{n}") + // try to skip the value + self.Emit("MOVQ", _IC, _VAR_ic) + self.Emit("MOVQ", _T_bool, _ET) + self.Emit("MOVQ", _ET, _VAR_et) + self.Byte(0x4c, 0x8d, 0x0d) // LEAQ (PC), R9 + self.Sref("_end_{n}", 4) + self.Emit("MOVQ", _R9, _VAR_pc) + self.Sjmp("JMP" , _LB_skip_one) + + self.Link("_bool_true_{n}") + self.Emit("MOVQ", _AX, _IC) // MOVQ AX, IC + self.Emit("MOVB", jit.Imm(1), jit.Ptr(_VP, 0)) // MOVB $1, (VP) + self.Sjmp("JMP" , "_end_{n}") // JMP _end_{n} + self.Link("_false_{n}") // _false_{n}: + self.Emit("ADDQ", jit.Imm(1), _AX) // ADDQ $1, AX + self.Emit("ADDQ", jit.Imm(1), _IC) // ADDQ $1, IC + self.Emit("CMPQ", _AX, _IL) // CMPQ AX, IL + self.Sjmp("JA" , _LB_eof_error) // JA _eof_error + self.Emit("MOVL", jit.Imm(_IM_alse), _CX) // MOVL $"alse", CX + self.Emit("CMPL", _CX, jit.Sib(_IP, _IC, 1, 0)) // CMPL CX, (IP)(IC) + self.Sjmp("JNE" , _LB_im_error) // JNE _im_error + self.Emit("MOVQ", _AX, _IC) // MOVQ AX, IC + self.Emit("XORL", _AX, _AX) // XORL AX, AX + self.Emit("MOVB", _AX, jit.Ptr(_VP, 0)) // MOVB AX, (VP) + self.Link("_end_{n}") // _end_{n}: +} + +func (self *_Assembler) _asm_OP_num(_ *_Instr) { + self.Emit("MOVQ", jit.Imm(0), _VAR_fl) + self.Emit("CMPB", jit.Sib(_IP, _IC, 1, 0), jit.Imm('"')) + self.Emit("MOVQ", _IC, _BX) + self.Sjmp("JNE", "_skip_number_{n}") + self.Emit("MOVQ", jit.Imm(1), _VAR_fl) + self.Emit("ADDQ", jit.Imm(1), _IC) + self.Link("_skip_number_{n}") + + /* call skip_number */ + self.Emit("LEAQ", _ARG_s, _DI) // LEAQ s<>+0(FP), DI + self.Emit("MOVQ", _IC, _ARG_ic) // MOVQ IC, ic<>+16(FP) + self.Emit("LEAQ", _ARG_ic, _SI) // LEAQ ic<>+16(FP), SI + self.callc(_F_skip_number) // CALL _F_skip_number + self.Emit("MOVQ", _ARG_ic, _IC) // MOVQ ic<>+16(FP), IC + self.Emit("TESTQ", _AX, _AX) // TESTQ AX, AX + self.Sjmp("JNS" , "_num_next_{n}") + + /* call skip one */ + self.Emit("MOVQ", _BX, _VAR_ic) + self.Emit("MOVQ", _T_number, _ET) + self.Emit("MOVQ", _ET, _VAR_et) + self.Byte(0x4c, 0x8d, 0x0d) + self.Sref("_num_end_{n}", 4) + self.Emit("MOVQ", _R9, _VAR_pc) + self.Sjmp("JMP" , _LB_skip_one) + + /* assgin string */ + self.Link("_num_next_{n}") + self.slice_from_r(_AX, 0) + self.Emit("BTQ", jit.Imm(_F_copy_string), _ARG_fv) + self.Sjmp("JNC", "_num_write_{n}") + self.Byte(0x4c, 0x8d, 0x0d) // LEAQ (PC), R9 + self.Sref("_num_write_{n}", 4) + self.Sjmp("JMP", "_copy_string") + self.Link("_num_write_{n}") + self.Emit("MOVQ", _SI, jit.Ptr(_VP, 8)) // MOVQ SI, 8(VP) + self.WriteRecNotAX(13, _DI, jit.Ptr(_VP, 0), false, false) + self.Emit("CMPQ", _VAR_fl, jit.Imm(1)) + self.Sjmp("JNE", "_num_end_{n}") + self.Emit("CMPB", jit.Sib(_IP, _IC, 1, 0), jit.Imm('"')) + self.Sjmp("JNE", _LB_char_0_error) + self.Emit("ADDQ", jit.Imm(1), _IC) + self.Link("_num_end_{n}") +} + +func (self *_Assembler) _asm_OP_i8(_ *_Instr) { + var pin = "_i8_end_{n}" + self.parse_signed(int8Type, pin, -1) // PARSE int8 + self.range_signed_CX(_I_int8, _T_int8, math.MinInt8, math.MaxInt8) // RANGE int8 + self.Emit("MOVB", _CX, jit.Ptr(_VP, 0)) // MOVB CX, (VP) + self.Link(pin) +} + +func (self *_Assembler) _asm_OP_i16(_ *_Instr) { + var pin = "_i16_end_{n}" + self.parse_signed(int16Type, pin, -1) // PARSE int16 + self.range_signed_CX(_I_int16, _T_int16, math.MinInt16, math.MaxInt16) // RANGE int16 + self.Emit("MOVW", _CX, jit.Ptr(_VP, 0)) // MOVW CX, (VP) + self.Link(pin) +} + +func (self *_Assembler) _asm_OP_i32(_ *_Instr) { + var pin = "_i32_end_{n}" + self.parse_signed(int32Type, pin, -1) // PARSE int32 + self.range_signed_CX(_I_int32, _T_int32, math.MinInt32, math.MaxInt32) // RANGE int32 + self.Emit("MOVL", _CX, jit.Ptr(_VP, 0)) // MOVL CX, (VP) + self.Link(pin) +} + +func (self *_Assembler) _asm_OP_i64(_ *_Instr) { + var pin = "_i64_end_{n}" + self.parse_signed(int64Type, pin, -1) // PARSE int64 + self.Emit("MOVQ", _VAR_st_Iv, _AX) // MOVQ st.Iv, AX + self.Emit("MOVQ", _AX, jit.Ptr(_VP, 0)) // MOVQ AX, (VP) + self.Link(pin) +} + +func (self *_Assembler) _asm_OP_u8(_ *_Instr) { + var pin = "_u8_end_{n}" + self.parse_unsigned(uint8Type, pin, -1) // PARSE uint8 + self.range_unsigned_CX(_I_uint8, _T_uint8, math.MaxUint8) // RANGE uint8 + self.Emit("MOVB", _CX, jit.Ptr(_VP, 0)) // MOVB CX, (VP) + self.Link(pin) +} + +func (self *_Assembler) _asm_OP_u16(_ *_Instr) { + var pin = "_u16_end_{n}" + self.parse_unsigned(uint16Type, pin, -1) // PARSE uint16 + self.range_unsigned_CX(_I_uint16, _T_uint16, math.MaxUint16) // RANGE uint16 + self.Emit("MOVW", _CX, jit.Ptr(_VP, 0)) // MOVW CX, (VP) + self.Link(pin) +} + +func (self *_Assembler) _asm_OP_u32(_ *_Instr) { + var pin = "_u32_end_{n}" + self.parse_unsigned(uint32Type, pin, -1) // PARSE uint32 + self.range_unsigned_CX(_I_uint32, _T_uint32, math.MaxUint32) // RANGE uint32 + self.Emit("MOVL", _CX, jit.Ptr(_VP, 0)) // MOVL CX, (VP) + self.Link(pin) +} + +func (self *_Assembler) _asm_OP_u64(_ *_Instr) { + var pin = "_u64_end_{n}" + self.parse_unsigned(uint64Type, pin, -1) // PARSE uint64 + self.Emit("MOVQ", _VAR_st_Iv, _AX) // MOVQ st.Iv, AX + self.Emit("MOVQ", _AX, jit.Ptr(_VP, 0)) // MOVQ AX, (VP) + self.Link(pin) +} + +func (self *_Assembler) _asm_OP_f32(_ *_Instr) { + var pin = "_f32_end_{n}" + self.parse_number(float32Type, pin, -1) // PARSE NUMBER + self.range_single_X0() // RANGE float32 + self.Emit("MOVSS", _X0, jit.Ptr(_VP, 0)) // MOVSS X0, (VP) + self.Link(pin) +} + +func (self *_Assembler) _asm_OP_f64(_ *_Instr) { + var pin = "_f64_end_{n}" + self.parse_number(float64Type, pin, -1) // PARSE NUMBER + self.Emit("MOVSD", _VAR_st_Dv, _X0) // MOVSD st.Dv, X0 + self.Emit("MOVSD", _X0, jit.Ptr(_VP, 0)) // MOVSD X0, (VP) + self.Link(pin) +} + +func (self *_Assembler) _asm_OP_unquote(_ *_Instr) { + self.check_eof(2) + self.Emit("CMPB", jit.Sib(_IP, _IC, 1, 0), jit.Imm('\\')) // CMPB (IP)(IC), $'\\' + self.Sjmp("JNE" , _LB_char_0_error) // JNE _char_0_error + self.Emit("CMPB", jit.Sib(_IP, _IC, 1, 1), jit.Imm('"')) // CMPB 1(IP)(IC), $'"' + self.Sjmp("JNE" , _LB_char_1_error) // JNE _char_1_error + self.Emit("ADDQ", jit.Imm(2), _IC) // ADDQ $2, IC + self.parse_string() // PARSE STRING + self.unquote_twice(jit.Ptr(_VP, 0), jit.Ptr(_VP, 8), false) // UNQUOTE twice, (VP), 8(VP) +} + +func (self *_Assembler) _asm_OP_nil_1(_ *_Instr) { + self.Emit("XORL", _AX, _AX) // XORL AX, AX + self.Emit("MOVQ", _AX, jit.Ptr(_VP, 0)) // MOVQ AX, (VP) +} + +func (self *_Assembler) _asm_OP_nil_2(_ *_Instr) { + self.Emit("PXOR" , _X0, _X0) // PXOR X0, X0 + self.Emit("MOVOU", _X0, jit.Ptr(_VP, 0)) // MOVOU X0, (VP) +} + +func (self *_Assembler) _asm_OP_nil_3(_ *_Instr) { + self.Emit("XORL" , _AX, _AX) // XORL AX, AX + self.Emit("PXOR" , _X0, _X0) // PXOR X0, X0 + self.Emit("MOVOU", _X0, jit.Ptr(_VP, 0)) // MOVOU X0, (VP) + self.Emit("MOVQ" , _AX, jit.Ptr(_VP, 16)) // MOVOU AX, 16(VP) +} + +func (self *_Assembler) _asm_OP_deref(p *_Instr) { + self.vfollow(p.vt()) +} + +func (self *_Assembler) _asm_OP_index(p *_Instr) { + self.Emit("MOVQ", jit.Imm(p.i64()), _AX) // MOVQ ${p.vi()}, AX + self.Emit("ADDQ", _AX, _VP) // ADDQ _AX, _VP +} + +func (self *_Assembler) _asm_OP_is_null(p *_Instr) { + self.Emit("LEAQ" , jit.Ptr(_IC, 4), _AX) // LEAQ 4(IC), AX + self.Emit("CMPQ" , _AX, _IL) // CMPQ AX, IL + self.Sjmp("JA" , "_not_null_{n}") // JA _not_null_{n} + self.Emit("CMPL" , jit.Sib(_IP, _IC, 1, 0), jit.Imm(_IM_null)) // CMPL (IP)(IC), $"null" + self.Emit("CMOVQEQ", _AX, _IC) // CMOVQEQ AX, IC + self.Xjmp("JE" , p.vi()) // JE {p.vi()} + self.Link("_not_null_{n}") // _not_null_{n}: +} + +func (self *_Assembler) _asm_OP_is_null_quote(p *_Instr) { + self.Emit("LEAQ" , jit.Ptr(_IC, 5), _AX) // LEAQ 4(IC), AX + self.Emit("CMPQ" , _AX, _IL) // CMPQ AX, IL + self.Sjmp("JA" , "_not_null_quote_{n}") // JA _not_null_quote_{n} + self.Emit("CMPL" , jit.Sib(_IP, _IC, 1, 0), jit.Imm(_IM_null)) // CMPL (IP)(IC), $"null" + self.Sjmp("JNE" , "_not_null_quote_{n}") // JNE _not_null_quote_{n} + self.Emit("CMPB" , jit.Sib(_IP, _IC, 1, 4), jit.Imm('"')) // CMPB 4(IP)(IC), $'"' + self.Emit("CMOVQEQ", _AX, _IC) // CMOVQEQ AX, IC + self.Xjmp("JE" , p.vi()) // JE {p.vi()} + self.Link("_not_null_quote_{n}") // _not_null_quote_{n}: +} + +func (self *_Assembler) _asm_OP_map_init(_ *_Instr) { + self.Emit("MOVQ" , jit.Ptr(_VP, 0), _AX) // MOVQ (VP), AX + self.Emit("TESTQ", _AX, _AX) // TESTQ AX, AX + self.Sjmp("JNZ" , "_end_{n}") // JNZ _end_{n} + self.call_go(_F_makemap_small) // CALL_GO makemap_small + self.WritePtrAX(6, jit.Ptr(_VP, 0), false) // MOVQ AX, (VP) + self.Link("_end_{n}") // _end_{n}: + self.Emit("MOVQ" , _AX, _VP) // MOVQ AX, VP +} + +func (self *_Assembler) _asm_OP_map_key_i8(p *_Instr) { + self.parse_signed(int8Type, "", p.vi()) // PARSE int8 + self.range_signed_CX(_I_int8, _T_int8, math.MinInt8, math.MaxInt8) // RANGE int8 + self.mapassign_std(p.vt(), _VAR_st_Iv) // MAPASSIGN int8, mapassign, st.Iv +} + +func (self *_Assembler) _asm_OP_map_key_i16(p *_Instr) { + self.parse_signed(int16Type, "", p.vi()) // PARSE int16 + self.range_signed_CX(_I_int16, _T_int16, math.MinInt16, math.MaxInt16) // RANGE int16 + self.mapassign_std(p.vt(), _VAR_st_Iv) // MAPASSIGN int16, mapassign, st.Iv +} + +func (self *_Assembler) _asm_OP_map_key_i32(p *_Instr) { + self.parse_signed(int32Type, "", p.vi()) // PARSE int32 + self.range_signed_CX(_I_int32, _T_int32, math.MinInt32, math.MaxInt32) // RANGE int32 + if vt := p.vt(); !mapfast(vt) { + self.mapassign_std(vt, _VAR_st_Iv) // MAPASSIGN int32, mapassign, st.Iv + } else { + self.Emit("MOVQ", _CX, _AX) // MOVQ CX, AX + self.mapassign_fastx(vt, _F_mapassign_fast32) // MAPASSIGN int32, mapassign_fast32 + } +} + +func (self *_Assembler) _asm_OP_map_key_i64(p *_Instr) { + self.parse_signed(int64Type, "", p.vi()) // PARSE int64 + if vt := p.vt(); !mapfast(vt) { + self.mapassign_std(vt, _VAR_st_Iv) // MAPASSIGN int64, mapassign, st.Iv + } else { + self.Emit("MOVQ", _VAR_st_Iv, _AX) // MOVQ st.Iv, AX + self.mapassign_fastx(vt, _F_mapassign_fast64) // MAPASSIGN int64, mapassign_fast64 + } +} + +func (self *_Assembler) _asm_OP_map_key_u8(p *_Instr) { + self.parse_unsigned(uint8Type, "", p.vi()) // PARSE uint8 + self.range_unsigned_CX(_I_uint8, _T_uint8, math.MaxUint8) // RANGE uint8 + self.mapassign_std(p.vt(), _VAR_st_Iv) // MAPASSIGN uint8, vt.Iv +} + +func (self *_Assembler) _asm_OP_map_key_u16(p *_Instr) { + self.parse_unsigned(uint16Type, "", p.vi()) // PARSE uint16 + self.range_unsigned_CX(_I_uint16, _T_uint16, math.MaxUint16) // RANGE uint16 + self.mapassign_std(p.vt(), _VAR_st_Iv) // MAPASSIGN uint16, vt.Iv +} + +func (self *_Assembler) _asm_OP_map_key_u32(p *_Instr) { + self.parse_unsigned(uint32Type, "", p.vi()) // PARSE uint32 + self.range_unsigned_CX(_I_uint32, _T_uint32, math.MaxUint32) // RANGE uint32 + if vt := p.vt(); !mapfast(vt) { + self.mapassign_std(vt, _VAR_st_Iv) // MAPASSIGN uint32, vt.Iv + } else { + self.Emit("MOVQ", _CX, _AX) // MOVQ CX, AX + self.mapassign_fastx(vt, _F_mapassign_fast32) // MAPASSIGN uint32, mapassign_fast32 + } +} + +func (self *_Assembler) _asm_OP_map_key_u64(p *_Instr) { + self.parse_unsigned(uint64Type, "", p.vi()) // PARSE uint64 + if vt := p.vt(); !mapfast(vt) { + self.mapassign_std(vt, _VAR_st_Iv) // MAPASSIGN uint64, vt.Iv + } else { + self.Emit("MOVQ", _VAR_st_Iv, _AX) // MOVQ st.Iv, AX + self.mapassign_fastx(vt, _F_mapassign_fast64) // MAPASSIGN uint64, mapassign_fast64 + } +} + +func (self *_Assembler) _asm_OP_map_key_f32(p *_Instr) { + self.parse_number(float32Type, "", p.vi()) // PARSE NUMBER + self.range_single_X0() // RANGE float32 + self.Emit("MOVSS", _X0, _VAR_st_Dv) // MOVSS X0, st.Dv + self.mapassign_std(p.vt(), _VAR_st_Dv) // MAPASSIGN ${p.vt()}, mapassign, st.Dv +} + +func (self *_Assembler) _asm_OP_map_key_f64(p *_Instr) { + self.parse_number(float64Type, "", p.vi()) // PARSE NUMBER + self.mapassign_std(p.vt(), _VAR_st_Dv) // MAPASSIGN ${p.vt()}, mapassign, st.Dv +} + +func (self *_Assembler) _asm_OP_map_key_str(p *_Instr) { + self.parse_string() // PARSE STRING + self.unquote_once(_ARG_sv_p, _ARG_sv_n, true, true) // UNQUOTE once, sv.p, sv.n + if vt := p.vt(); !mapfast(vt) { + self.valloc(vt.Key(), _DI) + self.Emit("MOVOU", _ARG_sv, _X0) + self.Emit("MOVOU", _X0, jit.Ptr(_DI, 0)) + self.mapassign_std(vt, jit.Ptr(_DI, 0)) // MAPASSIGN string, DI, SI + } else { + self.mapassign_str_fast(vt, _ARG_sv_p, _ARG_sv_n) // MAPASSIGN string, DI, SI + } +} + +func (self *_Assembler) _asm_OP_map_key_utext(p *_Instr) { + self.parse_string() // PARSE STRING + self.unquote_once(_ARG_sv_p, _ARG_sv_n, true, true) // UNQUOTE once, sv.p, sv.n + self.mapassign_utext(p.vt(), false) // MAPASSIGN utext, ${p.vt()}, false +} + +func (self *_Assembler) _asm_OP_map_key_utext_p(p *_Instr) { + self.parse_string() // PARSE STRING + self.unquote_once(_ARG_sv_p, _ARG_sv_n, true, true) // UNQUOTE once, sv.p, sv.n + self.mapassign_utext(p.vt(), true) // MAPASSIGN utext, ${p.vt()}, true +} + +func (self *_Assembler) _asm_OP_array_skip(_ *_Instr) { + self.call_sf(_F_skip_array) // CALL_SF skip_array + self.Emit("TESTQ", _AX, _AX) // TESTQ AX, AX + self.Sjmp("JS" , _LB_parsing_error_v) // JS _parse_error_v +} + +func (self *_Assembler) _asm_OP_array_clear(p *_Instr) { + self.mem_clear_rem(p.i64(), true) +} + +func (self *_Assembler) _asm_OP_array_clear_p(p *_Instr) { + self.mem_clear_rem(p.i64(), false) +} + +func (self *_Assembler) _asm_OP_slice_init(p *_Instr) { + self.Emit("XORL" , _AX, _AX) // XORL AX, AX + self.Emit("MOVQ" , _AX, jit.Ptr(_VP, 8)) // MOVQ AX, 8(VP) + self.Emit("MOVQ" , jit.Ptr(_VP, 16), _BX) // MOVQ 16(VP), BX + self.Emit("TESTQ", _BX, _BX) // TESTQ BX, BX + self.Sjmp("JNZ" , "_done_{n}") // JNZ _done_{n} + self.Emit("MOVQ" , jit.Imm(_MinSlice), _CX) // MOVQ ${_MinSlice}, CX + self.Emit("MOVQ" , _CX, jit.Ptr(_VP, 16)) // MOVQ CX, 16(VP) + self.Emit("MOVQ" , jit.Type(p.vt()), _AX) // MOVQ ${p.vt()}, DX + self.call_go(_F_makeslice) // CALL_GO makeslice + self.WritePtrAX(7, jit.Ptr(_VP, 0), false) // MOVQ AX, (VP) + self.Emit("XORL" , _AX, _AX) // XORL AX, AX + self.Emit("MOVQ" , _AX, jit.Ptr(_VP, 8)) // MOVQ AX, 8(VP) + self.Link("_done_{n}") // _done_{n} +} + +func (self *_Assembler) _asm_OP_slice_append(p *_Instr) { + self.Emit("MOVQ" , jit.Ptr(_VP, 8), _AX) // MOVQ 8(VP), AX + self.Emit("CMPQ" , _AX, jit.Ptr(_VP, 16)) // CMPQ AX, 16(VP) + self.Sjmp("JB" , "_index_{n}") // JB _index_{n} + self.Emit("MOVQ" , _AX, _SI) // MOVQ AX, SI + self.Emit("SHLQ" , jit.Imm(1), _SI) // SHLQ $1, SI + self.Emit("MOVQ" , jit.Type(p.vt()), _AX) // MOVQ ${p.vt()}, AX + self.Emit("MOVQ" , jit.Ptr(_VP, 0), _BX) // MOVQ (VP), BX + self.Emit("MOVQ" , jit.Ptr(_VP, 8), _CX) // MOVQ 8(VP), CX + self.Emit("MOVQ" , jit.Ptr(_VP, 16), _DI) // MOVQ 16(VP), DI + self.call_go(_F_growslice) // CALL_GO growslice + self.WritePtrAX(8, jit.Ptr(_VP, 0), false) // MOVQ AX, (VP) + self.Emit("MOVQ" , _BX, jit.Ptr(_VP, 8)) // MOVQ BX, 8(VP) + self.Emit("MOVQ" , _CX, jit.Ptr(_VP, 16)) // MOVQ CX, 16(VP) + self.Emit("MOVQ" , _BX, _AX) // MOVQ BX, AX + self.Link("_index_{n}") // _index_{n}: + self.Emit("ADDQ" , jit.Imm(1), jit.Ptr(_VP, 8)) // ADDQ $1, 8(VP) + self.Emit("MOVQ" , jit.Ptr(_VP, 0), _VP) // MOVQ (VP), VP + self.Emit("MOVQ" , jit.Imm(int64(p.vlen())), _CX) // MOVQ ${p.vlen()}, CX + self.From("MULQ" , _CX) // MULQ CX + self.Emit("ADDQ" , _AX, _VP) // ADDQ AX, VP +} + +func (self *_Assembler) _asm_OP_object_skip(_ *_Instr) { + self.call_sf(_F_skip_object) // CALL_SF skip_object + self.Emit("TESTQ", _AX, _AX) // TESTQ AX, AX + self.Sjmp("JS" , _LB_parsing_error_v) // JS _parse_error_v +} + +func (self *_Assembler) _asm_OP_object_next(_ *_Instr) { + self.call_sf(_F_skip_one) // CALL_SF skip_one + self.Emit("TESTQ", _AX, _AX) // TESTQ AX, AX + self.Sjmp("JS" , _LB_parsing_error_v) // JS _parse_error_v +} + +func (self *_Assembler) _asm_OP_struct_field(p *_Instr) { + assert_eq(caching.FieldEntrySize, 32, "invalid field entry size") + self.Emit("MOVQ" , jit.Imm(-1), _AX) // MOVQ $-1, AX + self.Emit("MOVQ" , _AX, _VAR_sr) // MOVQ AX, sr + self.parse_string() // PARSE STRING + self.unquote_once(_ARG_sv_p, _ARG_sv_n, true, false) // UNQUOTE once, sv.p, sv.n + self.Emit("LEAQ" , _ARG_sv, _AX) // LEAQ sv, AX + self.Emit("XORL" , _BX, _BX) // XORL BX, BX + self.call_go(_F_strhash) // CALL_GO strhash + self.Emit("MOVQ" , _AX, _R9) // MOVQ AX, R9 + self.Emit("MOVQ" , jit.Imm(freezeFields(p.vf())), _CX) // MOVQ ${p.vf()}, CX + self.Emit("MOVQ" , jit.Ptr(_CX, caching.FieldMap_b), _SI) // MOVQ FieldMap.b(CX), SI + self.Emit("MOVQ" , jit.Ptr(_CX, caching.FieldMap_N), _CX) // MOVQ FieldMap.N(CX), CX + self.Emit("TESTQ", _CX, _CX) // TESTQ CX, CX + self.Sjmp("JZ" , "_try_lowercase_{n}") // JZ _try_lowercase_{n} + self.Link("_loop_{n}") // _loop_{n}: + self.Emit("XORL" , _DX, _DX) // XORL DX, DX + self.From("DIVQ" , _CX) // DIVQ CX + self.Emit("LEAQ" , jit.Ptr(_DX, 1), _AX) // LEAQ 1(DX), AX + self.Emit("SHLQ" , jit.Imm(5), _DX) // SHLQ $5, DX + self.Emit("LEAQ" , jit.Sib(_SI, _DX, 1, 0), _DI) // LEAQ (SI)(DX), DI + self.Emit("MOVQ" , jit.Ptr(_DI, _Fe_Hash), _R8) // MOVQ FieldEntry.Hash(DI), R8 + self.Emit("TESTQ", _R8, _R8) // TESTQ R8, R8 + self.Sjmp("JZ" , "_try_lowercase_{n}") // JZ _try_lowercase_{n} + self.Emit("CMPQ" , _R8, _R9) // CMPQ R8, R9 + self.Sjmp("JNE" , "_loop_{n}") // JNE _loop_{n} + self.Emit("MOVQ" , jit.Ptr(_DI, _Fe_Name + 8), _DX) // MOVQ FieldEntry.Name+8(DI), DX + self.Emit("CMPQ" , _DX, _ARG_sv_n) // CMPQ DX, sv.n + self.Sjmp("JNE" , "_loop_{n}") // JNE _loop_{n} + self.Emit("MOVQ" , jit.Ptr(_DI, _Fe_ID), _R8) // MOVQ FieldEntry.ID(DI), R8 + self.Emit("MOVQ" , _AX, _VAR_ss_AX) // MOVQ AX, ss.AX + self.Emit("MOVQ" , _CX, _VAR_ss_CX) // MOVQ CX, ss.CX + self.Emit("MOVQ" , _SI, _VAR_ss_SI) // MOVQ SI, ss.SI + self.Emit("MOVQ" , _R8, _VAR_ss_R8) // MOVQ R8, ss.R8 + self.Emit("MOVQ" , _R9, _VAR_ss_R9) // MOVQ R9, ss.R9 + self.Emit("MOVQ" , _ARG_sv_p, _AX) // MOVQ _VAR_sv_p, AX + self.Emit("MOVQ" , jit.Ptr(_DI, _Fe_Name), _CX) // MOVQ FieldEntry.Name(DI), CX + self.Emit("MOVQ" , _CX, _BX) // MOVQ CX, 8(SP) + self.Emit("MOVQ" , _DX, _CX) // MOVQ DX, 16(SP) + self.call_go(_F_memequal) // CALL_GO memequal + self.Emit("MOVB" , _AX, _DX) // MOVB 24(SP), DX + self.Emit("MOVQ" , _VAR_ss_AX, _AX) // MOVQ ss.AX, AX + self.Emit("MOVQ" , _VAR_ss_CX, _CX) // MOVQ ss.CX, CX + self.Emit("MOVQ" , _VAR_ss_SI, _SI) // MOVQ ss.SI, SI + self.Emit("MOVQ" , _VAR_ss_R9, _R9) // MOVQ ss.R9, R9 + self.Emit("TESTB", _DX, _DX) // TESTB DX, DX + self.Sjmp("JZ" , "_loop_{n}") // JZ _loop_{n} + self.Emit("MOVQ" , _VAR_ss_R8, _R8) // MOVQ ss.R8, R8 + self.Emit("MOVQ" , _R8, _VAR_sr) // MOVQ R8, sr + self.Sjmp("JMP" , "_end_{n}") // JMP _end_{n} + self.Link("_try_lowercase_{n}") // _try_lowercase_{n}: + self.Emit("MOVQ" , jit.Imm(referenceFields(p.vf())), _AX) // MOVQ ${p.vf()}, AX + self.Emit("MOVQ", _ARG_sv_p, _BX) // MOVQ sv, BX + self.Emit("MOVQ", _ARG_sv_n, _CX) // MOVQ sv, CX + self.call_go(_F_FieldMap_GetCaseInsensitive) // CALL_GO FieldMap::GetCaseInsensitive + self.Emit("MOVQ" , _AX, _VAR_sr) // MOVQ AX, _VAR_sr + self.Emit("TESTQ", _AX, _AX) // TESTQ AX, AX + self.Sjmp("JNS" , "_end_{n}") // JNS _end_{n} + self.Emit("BTQ" , jit.Imm(_F_disable_unknown), _ARG_fv) // BTQ ${_F_disable_unknown}, fv + self.Sjmp("JC" , _LB_field_error) // JC _field_error + self.Link("_end_{n}") // _end_{n}: +} + +func (self *_Assembler) _asm_OP_unmarshal(p *_Instr) { + self.unmarshal_json(p.vt(), true) +} + +func (self *_Assembler) _asm_OP_unmarshal_p(p *_Instr) { + self.unmarshal_json(p.vt(), false) +} + +func (self *_Assembler) _asm_OP_unmarshal_text(p *_Instr) { + self.unmarshal_text(p.vt(), true) +} + +func (self *_Assembler) _asm_OP_unmarshal_text_p(p *_Instr) { + self.unmarshal_text(p.vt(), false) +} + +func (self *_Assembler) _asm_OP_lspace(_ *_Instr) { + self.lspace("_{n}") +} + +func (self *_Assembler) lspace(subfix string) { + var label = "_lspace" + subfix + self.Emit("CMPQ" , _IC, _IL) // CMPQ IC, IL + self.Sjmp("JAE" , _LB_eof_error) // JAE _eof_error + self.Emit("MOVQ" , jit.Imm(_BM_space), _DX) // MOVQ _BM_space, DX + self.Emit("MOVBQZX", jit.Sib(_IP, _IC, 1, 0), _AX) // MOVBQZX (IP)(IC), AX + self.Emit("CMPQ" , _AX, jit.Imm(' ')) // CMPQ AX, $' ' + self.Sjmp("JA" , label) // JA _nospace_{n} + self.Emit("BTQ" , _AX, _DX) // BTQ AX, DX + self.Sjmp("JNC" , label) // JNC _nospace_{n} + + /* test up to 4 characters */ + for i := 0; i < 3; i++ { + self.Emit("ADDQ" , jit.Imm(1), _IC) // ADDQ $1, IC + self.Emit("CMPQ" , _IC, _IL) // CMPQ IC, IL + self.Sjmp("JAE" , _LB_eof_error) // JAE _eof_error + self.Emit("MOVBQZX", jit.Sib(_IP, _IC, 1, 0), _AX) // MOVBQZX (IP)(IC), AX + self.Emit("CMPQ" , _AX, jit.Imm(' ')) // CMPQ AX, $' ' + self.Sjmp("JA" , label) // JA _nospace_{n} + self.Emit("BTQ" , _AX, _DX) // BTQ AX, DX + self.Sjmp("JNC" , label) // JNC _nospace_{n} + } + + /* handle over to the native function */ + self.Emit("MOVQ" , _IP, _DI) // MOVQ IP, DI + self.Emit("MOVQ" , _IL, _SI) // MOVQ IL, SI + self.Emit("MOVQ" , _IC, _DX) // MOVQ IC, DX + self.callc(_F_lspace) // CALL lspace + self.Emit("TESTQ" , _AX, _AX) // TESTQ AX, AX + self.Sjmp("JS" , _LB_parsing_error_v) // JS _parsing_error_v + self.Emit("CMPQ" , _AX, _IL) // CMPQ AX, IL + self.Sjmp("JAE" , _LB_eof_error) // JAE _eof_error + self.Emit("MOVQ" , _AX, _IC) // MOVQ AX, IC + self.Link(label) // _nospace_{n}: +} + +func (self *_Assembler) _asm_OP_match_char(p *_Instr) { + self.check_eof(1) + self.Emit("CMPB", jit.Sib(_IP, _IC, 1, 0), jit.Imm(int64(p.vb()))) // CMPB (IP)(IC), ${p.vb()} + self.Sjmp("JNE" , _LB_char_0_error) // JNE _char_0_error + self.Emit("ADDQ", jit.Imm(1), _IC) // ADDQ $1, IC +} + +func (self *_Assembler) _asm_OP_check_char(p *_Instr) { + self.check_eof(1) + self.Emit("LEAQ" , jit.Ptr(_IC, 1), _AX) // LEAQ 1(IC), AX + self.Emit("CMPB" , jit.Sib(_IP, _IC, 1, 0), jit.Imm(int64(p.vb()))) // CMPB (IP)(IC), ${p.vb()} + self.Emit("CMOVQEQ", _AX, _IC) // CMOVQEQ AX, IC + self.Xjmp("JE" , p.vi()) // JE {p.vi()} +} + +func (self *_Assembler) _asm_OP_check_char_0(p *_Instr) { + self.check_eof(1) + self.Emit("CMPB", jit.Sib(_IP, _IC, 1, 0), jit.Imm(int64(p.vb()))) // CMPB (IP)(IC), ${p.vb()} + self.Xjmp("JE" , p.vi()) // JE {p.vi()} +} + +func (self *_Assembler) _asm_OP_add(p *_Instr) { + self.Emit("ADDQ", jit.Imm(int64(p.vi())), _IC) // ADDQ ${p.vi()}, IC +} + +func (self *_Assembler) _asm_OP_load(_ *_Instr) { + self.Emit("MOVQ", jit.Ptr(_ST, 0), _AX) // MOVQ (ST), AX + self.Emit("MOVQ", jit.Sib(_ST, _AX, 1, 0), _VP) // MOVQ (ST)(AX), VP +} + +func (self *_Assembler) _asm_OP_save(_ *_Instr) { + self.Emit("MOVQ", jit.Ptr(_ST, 0), _CX) // MOVQ (ST), CX + self.Emit("CMPQ", _CX, jit.Imm(_MaxStackBytes)) // CMPQ CX, ${_MaxStackBytes} + self.Sjmp("JAE" , _LB_stack_error) // JA _stack_error + self.WriteRecNotAX(0 , _VP, jit.Sib(_ST, _CX, 1, 8), false, false) // MOVQ VP, 8(ST)(CX) + self.Emit("ADDQ", jit.Imm(8), _CX) // ADDQ $8, CX + self.Emit("MOVQ", _CX, jit.Ptr(_ST, 0)) // MOVQ CX, (ST) +} + +func (self *_Assembler) _asm_OP_drop(_ *_Instr) { + self.Emit("MOVQ", jit.Ptr(_ST, 0), _AX) // MOVQ (ST), AX + self.Emit("SUBQ", jit.Imm(8), _AX) // SUBQ $8, AX + self.Emit("MOVQ", jit.Sib(_ST, _AX, 1, 8), _VP) // MOVQ 8(ST)(AX), VP + self.Emit("MOVQ", _AX, jit.Ptr(_ST, 0)) // MOVQ AX, (ST) + self.Emit("XORL", _BX, _BX) // XORL BX, BX + self.Emit("MOVQ", _BX, jit.Sib(_ST, _AX, 1, 8)) // MOVQ BX, 8(ST)(AX) +} + +func (self *_Assembler) _asm_OP_drop_2(_ *_Instr) { + self.Emit("MOVQ" , jit.Ptr(_ST, 0), _AX) // MOVQ (ST), AX + self.Emit("SUBQ" , jit.Imm(16), _AX) // SUBQ $16, AX + self.Emit("MOVQ" , jit.Sib(_ST, _AX, 1, 8), _VP) // MOVQ 8(ST)(AX), VP + self.Emit("MOVQ" , _AX, jit.Ptr(_ST, 0)) // MOVQ AX, (ST) + self.Emit("PXOR" , _X0, _X0) // PXOR X0, X0 + self.Emit("MOVOU", _X0, jit.Sib(_ST, _AX, 1, 8)) // MOVOU X0, 8(ST)(AX) +} + +func (self *_Assembler) _asm_OP_recurse(p *_Instr) { + self.Emit("MOVQ", jit.Type(p.vt()), _AX) // MOVQ ${p.vt()}, AX + self.decode_dynamic(_AX, _VP) // DECODE AX, VP +} + +func (self *_Assembler) _asm_OP_goto(p *_Instr) { + self.Xjmp("JMP", p.vi()) +} + +func (self *_Assembler) _asm_OP_switch(p *_Instr) { + self.Emit("MOVQ", _VAR_sr, _AX) // MOVQ sr, AX + self.Emit("CMPQ", _AX, jit.Imm(p.i64())) // CMPQ AX, ${len(p.vs())} + self.Sjmp("JAE" , "_default_{n}") // JAE _default_{n} + + /* jump table selector */ + self.Byte(0x48, 0x8d, 0x3d) // LEAQ ?(PC), DI + self.Sref("_switch_table_{n}", 4) // .... &_switch_table_{n} + self.Emit("MOVLQSX", jit.Sib(_DI, _AX, 4, 0), _AX) // MOVLQSX (DI)(AX*4), AX + self.Emit("ADDQ" , _DI, _AX) // ADDQ DI, AX + self.Rjmp("JMP" , _AX) // JMP AX + self.Link("_switch_table_{n}") // _switch_table_{n}: + + /* generate the jump table */ + for i, v := range p.vs() { + self.Xref(v, int64(-i) * 4) + } + + /* default case */ + self.Link("_default_{n}") + self.NOP() +} + +func (self *_Assembler) print_gc(i int, p1 *_Instr, p2 *_Instr) { + self.Emit("MOVQ", jit.Imm(int64(p2.op())), _CX)// MOVQ $(p2.op()), 16(SP) + self.Emit("MOVQ", jit.Imm(int64(p1.op())), _BX) // MOVQ $(p1.op()), 8(SP) + self.Emit("MOVQ", jit.Imm(int64(i)), _AX) // MOVQ $(i), (SP) + self.call_go(_F_println) +} + +//go:linkname _runtime_writeBarrier runtime.writeBarrier +var _runtime_writeBarrier uintptr + +//go:linkname gcWriteBarrierAX runtime.gcWriteBarrier +func gcWriteBarrierAX() + +var ( + _V_writeBarrier = jit.Imm(int64(uintptr(unsafe.Pointer(&_runtime_writeBarrier)))) + + _F_gcWriteBarrierAX = jit.Func(gcWriteBarrierAX) +) + +func (self *_Assembler) WritePtrAX(i int, rec obj.Addr, saveDI bool) { + self.Emit("MOVQ", _V_writeBarrier, _R9) + self.Emit("CMPL", jit.Ptr(_R9, 0), jit.Imm(0)) + self.Sjmp("JE", "_no_writeBarrier" + strconv.Itoa(i) + "_{n}") + if saveDI { + self.save(_DI) + } + self.Emit("LEAQ", rec, _DI) + self.call(_F_gcWriteBarrierAX) + if saveDI { + self.load(_DI) + } + self.Sjmp("JMP", "_end_writeBarrier" + strconv.Itoa(i) + "_{n}") + self.Link("_no_writeBarrier" + strconv.Itoa(i) + "_{n}") + self.Emit("MOVQ", _AX, rec) + self.Link("_end_writeBarrier" + strconv.Itoa(i) + "_{n}") +} + +func (self *_Assembler) WriteRecNotAX(i int, ptr obj.Addr, rec obj.Addr, saveDI bool, saveAX bool) { + if rec.Reg == x86.REG_AX || rec.Index == x86.REG_AX { + panic("rec contains AX!") + } + self.Emit("MOVQ", _V_writeBarrier, _R9) + self.Emit("CMPL", jit.Ptr(_R9, 0), jit.Imm(0)) + self.Sjmp("JE", "_no_writeBarrier" + strconv.Itoa(i) + "_{n}") + if saveAX { + self.Emit("XCHGQ", ptr, _AX) + } else { + self.Emit("MOVQ", ptr, _AX) + } + if saveDI { + self.save(_DI) + } + self.Emit("LEAQ", rec, _DI) + self.call(_F_gcWriteBarrierAX) + if saveDI { + self.load(_DI) + } + if saveAX { + self.Emit("XCHGQ", ptr, _AX) + } + self.Sjmp("JMP", "_end_writeBarrier" + strconv.Itoa(i) + "_{n}") + self.Link("_no_writeBarrier" + strconv.Itoa(i) + "_{n}") + self.Emit("MOVQ", ptr, rec) + self.Link("_end_writeBarrier" + strconv.Itoa(i) + "_{n}") +}
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