1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
|
/******************************** -*- C -*- ****************************
*
* Platform-independent layer (Sparc version)
*
***********************************************************************/
/***********************************************************************
*
* Copyright 2000, 2001, 2002 Free Software Foundation, Inc.
* Written by Paolo Bonzini.
*
* This file is part of GNU lightning.
*
* GNU lightning is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 2.1, or (at your option)
* any later version.
*
* GNU lightning is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with GNU lightning; see the file COPYING.LESSER; if not, write to the
* Free Software Foundation, 59 Temple Place - Suite 330, Boston,
* MA 02111-1307, USA.
*
***********************************************************************/
#ifndef __lightning_core_h
#define __lightning_core_h
#define JIT_R_NUM 3
#define JIT_V_NUM 6
#define JIT_R(i) ((i) ? _Rl((i) - 1) : _Rg(2))
#define JIT_V(i) _Rl((i)+2)
#define JIT_BIG _Rg(1) /* %g1 used to make 32-bit operands */
#define JIT_BIG2 _Ro(7) /* %o7 used to make 32-bit compare operands */
#define JIT_SP _Ro(6)
#define JIT_RZERO _Rg(0)
#define JIT_RET _Ri(0)
/* Delay slot scheduling: jmp generates branches with annulled delay
* slots; we toggle the annul bit if we can fill the slot. CALLs and
* cond. branches have a different meaning for the annul bit, so we
* automatically generate a NOP and eventually copy the delay insn onto
* it. Delay slots in RET are already used for RESTORE, so we don't
* schedule them.
*
* ,--- _jit.x.pc
* insn X X before
* cmp branch insn X X after (branch)
* `--- _jit.x.pc
* call insn insn X after (call)
* `--- _jit.x.pc
*/
struct jit_local_state {
int nextarg_put; /* Next %o reg. to be written */
int nextarg_get; /* Next %i reg. to be read */
jit_insn delay;
};
#define jit_fill_delay_after(branch) (_jitl.delay = *--_jit.x.pc, \
((branch) == _jit.x.pc /* check if NOP was inserted */ \
? (_jit.x.pc[-1] ^= 1<<29) /* no if branch, toggle annul bit */ \
: (_jit.x.pc[-1] = _jitl.delay)), /* yes if call, replace NOP with delay insn */ \
*_jit.x.pc = _jitl.delay, _jit.x.pc - 1) /* return addr of delay insn */
/* If possible, use the `small' instruction (rs, imm, rd)
* else load imm into %l6 and use the `big' instruction (rs, %l6, rd)
* jit_chk_imm2 uses %l7 instead of %l6 to avoid conflicts when using delay slots
*/
#define jit_chk_imm(imm, small, big) (_siP(13,(imm)) ? (small) : (SETir((imm), JIT_BIG), (big)) )
#define jit_chk_imm2(imm, small, big) (_siP(13,(imm)) ? (small) : (SETir((imm), JIT_BIG2), (big)) )
/* Helper macros for branches */
#define jit_branchi(rs, is, jmp, nop) (jit_chk_imm2(is, CMPri(rs, is), CMPrr(rs, JIT_BIG2)), jmp, nop, _jit.x.pc - 1)
#define jit_branchr(s1, s2, jmp, nop) ( CMPrr(s1, s2), jmp, nop, _jit.x.pc - 1)
/* Helper macros for boolean tests -- delay slot sets d to 1;
* taken branch leaves it to 1, not-taken branch resets it to 0 */
#define jit_booli(d, rs, is, jmp) (jit_chk_imm (is, CMPri(rs, is), CMPrr(rs, JIT_BIG)), jmp, MOVir(1, (d)), MOVir(0, (d)))
#define jit_boolr(d, s1, s2, jmp) ( CMPrr(s1, s2), jmp, MOVir(1, (d)), MOVir(0, (d)))
/* Helper macros for division
* The architecture specifies that there must be 3 instructions between *
* a y register write and a use of it for correct results. */
#define jit_prepare_y(rs, is) (SRArir(rs, 31, JIT_BIG), WRri(JIT_BIG, _y), NOP(), NOP(), NOP(), _jit.x.pc -= jit_immsize(is))
#define jit_clr_y(rs, is) ( WRri(0, _y), NOP(), NOP(), NOP(), _jit.x.pc -= jit_immsize(is))
#define jit_modr(jit_div, jit_mul, d, s1, s2) \
(jit_div (JIT_BIG, s1, s2), \
jit_mul (JIT_BIG, JIT_BIG, s2), \
jit_subr_i (d, s1, JIT_BIG))
#define jit_modi(jit_divi, jit_muli, jit_divr, jit_mulr, d, rs, is) \
(_siP(13,(imm)) \
? (jit_divi (JIT_BIG, rs, is), \
jit_muli (JIT_BIG, JIT_BIG, is), \
jit_subr_i (d, rs, JIT_BIG)) \
: (SETir ((is), JIT_BIG2), \
jit_modr (jit_divr, jit_mulr, d, rs, JIT_BIG2)))
/* How many instruction are needed to put imm in a register. */
#define jit_immsize(imm) (!(imm) ? 0 : \
(!_siP((imm), 13) && ((imm) & 0x3ff) ? 2 : 1))
/* branch instructions return the address of the *delay* instruction -- this
* is just a helper macro that makes jit_patch more readable.
*/
#define jit_patch_(jump_pc,pv) \
(*jump_pc &= ~_MASK(22), \
*jump_pc |= ((_jit_UL((pv)) - _jit_UL(jump_pc)) >> 2) & _MASK(22))
#define jit_patch_set(sethi_pc, or_pc, dest) \
(*(sethi_pc) &= ~_MASK(22), *(sethi_pc) |= _HI(dest), \
*(or_pc) &= ~_MASK(13), *(or_pc) |= _LO(dest)) \
#define jit_patch_movi(movi_pc, val) \
jit_patch_set((movi_pc) - 2, (movi_pc) - 1, (val))
#define jit_arg_c() (_jitl.nextarg_get++)
#define jit_arg_i() (_jitl.nextarg_get++)
#define jit_arg_l() (_jitl.nextarg_get++)
#define jit_arg_p() (_jitl.nextarg_get++)
#define jit_arg_s() (_jitl.nextarg_get++)
#define jit_arg_uc() (_jitl.nextarg_get++)
#define jit_arg_ui() (_jitl.nextarg_get++)
#define jit_arg_ul() (_jitl.nextarg_get++)
#define jit_arg_us() (_jitl.nextarg_get++)
#define jit_addi_i(d, rs, is) jit_chk_imm((is), ADDrir((rs), (is), (d)), ADDrrr((rs), JIT_BIG, (d)))
#define jit_addr_i(d, s1, s2) ADDrrr((s1), (s2), (d))
#define jit_addci_i(d, rs, is) jit_chk_imm((is), ADDCCrir((rs), (is), (d)), ADDCCrrr((rs), JIT_BIG, (d)))
#define jit_addcr_i(d, s1, s2) ADDCCrrr((s1), (s2), (d))
#define jit_addxi_i(d, rs, is) jit_chk_imm((is), ADDXCCrir((rs), (is), (d)), ADDXCCrrr((rs), JIT_BIG, (d)))
#define jit_addxr_i(d, s1, s2) ADDXCCrrr((s1), (s2), (d))
#define jit_andi_i(d, rs, is) jit_chk_imm((is), ANDrir((rs), (is), (d)), ANDrrr((rs), JIT_BIG, (d)))
#define jit_andr_i(d, s1, s2) ANDrrr((s1), (s2), (d))
#define jit_beqi_i(label, rs, is) jit_branchi((rs), (is), BEi((label)), NOP() )
#define jit_beqr_i(label, s1, s2) jit_branchr((s1), (s2), BEi((label)), NOP() )
#define jit_bgei_i(label, rs, is) jit_branchi((rs), (is), BGEi((label)), NOP() )
#define jit_bgei_ui(label, rs, is) jit_branchi((rs), (is), BGEUi((label)), NOP() )
#define jit_bger_i(label, s1, s2) jit_branchr((s1), (s2), BGEi((label)), NOP() )
#define jit_bger_ui(label, s1, s2) jit_branchr((s1), (s2), BGEUi((label)), NOP() )
#define jit_bgti_i(label, rs, is) jit_branchi((rs), (is), BGi((label)), NOP() )
#define jit_bgti_ui(label, rs, is) jit_branchi((rs), (is), BGUi((label)), NOP() )
#define jit_bgtr_i(label, s1, s2) jit_branchr((s1), (s2), BGi((label)), NOP() )
#define jit_bgtr_ui(label, s1, s2) jit_branchr((s1), (s2), BGUi((label)), NOP() )
#define jit_blei_i(label, rs, is) jit_branchi((rs), (is), BLEi((label)), NOP() )
#define jit_blei_ui(label, rs, is) jit_branchi((rs), (is), BLEUi((label)), NOP() )
#define jit_bler_i(label, s1, s2) jit_branchr((s1), (s2), BLEi((label)), NOP() )
#define jit_bler_ui(label, s1, s2) jit_branchr((s1), (s2), BLEUi((label)), NOP() )
#define jit_blti_i(label, rs, is) jit_branchi((rs), (is), BLi((label)), NOP() )
#define jit_blti_ui(label, rs, is) jit_branchi((rs), (is), BLUi((label)), NOP() )
#define jit_bltr_i(label, s1, s2) jit_branchr((s1), (s2), BLi((label)), NOP() )
#define jit_bltr_ui(label, s1, s2) jit_branchr((s1), (s2), BLUi((label)), NOP() )
#define jit_bnei_i(label, rs, is) jit_branchi((rs), (is), BNEi((label)), NOP() )
#define jit_bner_i(label, s1, s2) jit_branchr((s1), (s2), BNEi((label)), NOP() )
#define jit_bmsi_i(label, rs, is) (jit_chk_imm((is), BTSTir((is), (rs)), BTSTrr((rs), JIT_BIG)), BNEi((label)), NOP(), _jit.x.pc - 1)
#define jit_bmci_i(label, rs, is) (jit_chk_imm((is), BTSTir((is), (rs)), BTSTrr((rs), JIT_BIG)), BEi((label)), NOP(), _jit.x.pc - 1)
#define jit_bmsr_i(label, s1, s2) ( BTSTrr((s1), (s2)), BNEi((label)), NOP(), _jit.x.pc - 1)
#define jit_bmcr_i(label, s1, s2) ( BTSTrr((s1), (s2)), BEi((label)), NOP(), _jit.x.pc - 1)
#define jit_boaddi_i(label, rs, is) (jit_chk_imm((is), ADDCCrir((rs), (is), (rs)), ADDCCrrr((rs), JIT_BIG, (rs))), BVSi((label)), NOP(), _jit.x.pc - 1)
#define jit_bosubi_i(label, rs, is) (jit_chk_imm((is), SUBCCrir((rs), (is), (rs)), SUBCCrrr((rs), JIT_BIG, (rs))), BVSi((label)), NOP(), _jit.x.pc - 1)
#define jit_boaddr_i(label, s1, s2) ( ADDCCrrr((s1), (s2), (s1)), BVSi((label)), NOP(), _jit.x.pc - 1)
#define jit_bosubr_i(label, s1, s2) ( SUBCCrrr((s1), (s2), (s1)), BVSi((label)), NOP(), _jit.x.pc - 1)
#define jit_boaddi_ui(label, rs, is) (jit_chk_imm((is), ADDCCrir((rs), (is), (rs)), ADDCCrrr((rs), JIT_BIG, (rs))), BCSi((label)), NOP(), _jit.x.pc - 1)
#define jit_bosubi_ui(label, rs, is) (jit_chk_imm((is), SUBCCrir((rs), (is), (rs)), SUBCCrrr((rs), JIT_BIG, (rs))), BCSi((label)), NOP(), _jit.x.pc - 1)
#define jit_boaddr_ui(label, s1, s2) ( ADDCCrrr((s1), (s2), (s1)), BCSi((label)), NOP(), _jit.x.pc - 1)
#define jit_bosubr_ui(label, s1, s2) ( SUBCCrrr((s1), (s2), (s1)), BCSi((label)), NOP(), _jit.x.pc - 1)
#define jit_calli(label) (CALLi(label), NOP(), _jit.x.pc - 1)
#define jit_callr(reg) (CALLx((reg), 0), NOP())
#define jit_divi_i(d, rs, is) (jit_prepare_y((rs), 0x12345678), SETir((is), JIT_BIG), SDIVrrr((rs), JIT_BIG, (d)) )
#define jit_divi_ui(d, rs, is) (jit_clr_y((rs), 0x12345678), SETir((is), JIT_BIG), UDIVrrr((rs), JIT_BIG, (d)) )
#define jit_divr_i(d, s1, s2) (jit_prepare_y((s1), 0), SDIVrrr((s1), (s2), (d)))
#define jit_divr_ui(d, s1, s2) (jit_clr_y((s1), 0), UDIVrrr((s1), (s2), (d)))
#define jit_eqi_i(d, rs, is) jit_chk_imm((is), \
(SUBCCrir((rs), (is), (d)), ADDXCCrir((d), -1, JIT_BIG), SUBXrir(0,-1,(d))),\
jit_eqr_i(d, rs, JIT_BIG))
#define jit_eqr_i(d, s1, s2) (SUBCCrrr((s1), (s2), (d)), ADDXCCrir((d), -1, JIT_BIG), SUBXrir(0,-1,(d)))
#define jit_nei_i(d, rs, is) jit_chk_imm((is), \
(SUBCCrir((rs), (is), (d)), ADDXCCrir((d), -1, JIT_BIG), ADDXrrr(0,0,(d))),\
jit_ner_i(d, rs, JIT_BIG))
#define jit_ner_i(d, s1, s2) (SUBCCrrr((s1), (s2), (d)), ADDXCCrir((d), -1, JIT_BIG), ADDXrrr(0,0,(d)))
#define jit_gei_i(d, rs, is) jit_booli ((d), (rs), (is), BGEi(_jit.x.pc + 3) )
#define jit_gei_ui(d, rs, is) jit_booli ((d), (rs), (is), BGEUi(_jit.x.pc + 3))
#define jit_ger_i(d, s1, s2) jit_boolr ((d), (s1), (s2), BGEi(_jit.x.pc + 3) )
#define jit_ger_ui(d, s1, s2) jit_boolr ((d), (s1), (s2), BGEUi(_jit.x.pc + 3))
#define jit_gti_i(d, rs, is) jit_booli ((d), (rs), (is), BGi(_jit.x.pc + 3) )
#define jit_gti_ui(d, rs, is) jit_booli ((d), (rs), (is), BGUi(_jit.x.pc + 3) )
#define jit_gtr_i(d, s1, s2) jit_boolr ((d), (s1), (s2), BGi(_jit.x.pc + 3) )
#define jit_gtr_ui(d, s1, s2) jit_boolr ((d), (s1), (s2), BGUi(_jit.x.pc + 3) )
#define jit_hmuli_i(d, rs, is) (jit_muli_i (JIT_BIG, (rs), (is)), RDir (_y, (d)))
#define jit_hmuli_ui(d, rs, is) (jit_muli_ui(JIT_BIG, (rs), (is)), RDir (_y, (d)))
#define jit_hmulr_i(d, s1, s2) (jit_mulr_i (JIT_BIG, (s1), (s2)), RDir (_y, (d)))
#define jit_hmulr_ui(d, s1, s2) (jit_mulr_ui(JIT_BIG, (s1), (s2)), RDir (_y, (d)))
#define jit_jmpi(label) (BA_Ai((label)), _jit.x.pc)
#define jit_jmpr(reg) (JMPx(JIT_RZERO, (reg)), NOP(), _jit.x.pc - 1)
#define jit_ldxi_c(d, rs, is) jit_chk_imm((is), LDSBmr((rs), (is), (d)), LDSBxr((rs), JIT_BIG, (d)))
#define jit_ldxi_i(d, rs, is) jit_chk_imm((is), LDSWmr((rs), (is), (d)), LDSWxr((rs), JIT_BIG, (d)))
#define jit_ldxi_s(d, rs, is) jit_chk_imm((is), LDSHmr((rs), (is), (d)), LDSHxr((rs), JIT_BIG, (d)))
#define jit_ldxi_uc(d, rs, is) jit_chk_imm((is), LDUBmr((rs), (is), (d)), LDUBxr((rs), JIT_BIG, (d)))
#define jit_ldxi_us(d, rs, is) jit_chk_imm((is), LDUHmr((rs), (is), (d)), LDUHxr((rs), JIT_BIG, (d)))
#define jit_ldxr_c(d, s1, s2) LDSBxr((s1), (s2), (d))
#define jit_ldxr_i(d, s1, s2) LDSWxr((s1), (s2), (d))
#define jit_ldxr_s(d, s1, s2) LDSHxr((s1), (s2), (d))
#define jit_ldxr_uc(d, s1, s2) LDUBxr((s1), (s2), (d))
#define jit_ldxr_us(d, s1, s2) LDUHxr((s1), (s2), (d))
#define jit_lei_i(d, rs, is) jit_booli ((d), (rs), (is), BLEi(_jit.x.pc + 3) )
#define jit_lei_ui(d, rs, is) jit_booli ((d), (rs), (is), BLEUi(_jit.x.pc + 3))
#define jit_ler_i(d, s1, s2) jit_boolr ((d), (s1), (s2), BLEi(_jit.x.pc + 3) )
#define jit_ler_ui(d, s1, s2) jit_boolr ((d), (s1), (s2), BLEUi(_jit.x.pc + 3))
#define jit_lshi_i(d, rs, is) SLLrir((rs), (is), (d))
#define jit_lshr_i(d, r1, r2) SLLrrr((r1), (r2), (d))
#define jit_lti_i(d, rs, is) jit_booli ((d), (rs), (is), BLi(_jit.x.pc + 3) )
#define jit_lti_ui(d, rs, is) jit_booli ((d), (rs), (is), BLUi(_jit.x.pc + 3) )
#define jit_ltr_i(d, s1, s2) jit_boolr ((d), (s1), (s2), BLi(_jit.x.pc + 3) )
#define jit_ltr_ui(d, s1, s2) jit_boolr ((d), (s1), (s2), BLUi(_jit.x.pc + 3) )
#define jit_modi_i(d, rs, is) jit_modi(jit_divi_i, jit_muli_i, jit_divr_i, jit_mulr_i, (d), (rs), (is))
#define jit_modi_ui(d, rs, is) jit_modi(jit_divi_ui, jit_muli_ui, jit_divr_ui, jit_mulr_ui, (d), (rs), (is))
#define jit_modr_i(d, s1, s2) jit_modr(jit_divr_i, jit_mulr_i, (d), (s1), (s2))
#define jit_modr_ui(d, s1, s2) jit_modr(jit_divr_ui, jit_mulr_ui, (d), (s1), (s2))
#define jit_movi_i(d, is) SETir((is), (d))
#define jit_movi_p(d, is) (SETir2(_HI((is)), _LO((is)), (d)), _jit.x.pc)
#define jit_movr_i(d, rs) MOVrr((rs), (d))
#define jit_muli_i(d, rs, is) jit_chk_imm((is), SMULrir((rs), (is), (d)), SMULrrr((rs), JIT_BIG, (d)))
#define jit_muli_ui(d, rs, is) jit_chk_imm((is), UMULrir((rs), (is), (d)), UMULrrr((rs), JIT_BIG, (d)))
#define jit_mulr_i(d, s1, s2) SMULrrr((s1), (s2), (d))
#define jit_mulr_ui(d, s1, s2) UMULrrr((s1), (s2), (d))
#define jit_nop() NOP()
#define jit_ori_i(d, rs, is) jit_chk_imm((is), ORrir((rs), (is), (d)), ORrrr((rs), JIT_BIG, (d)))
#define jit_orr_i(d, s1, s2) ORrrr((s1), (s2), (d))
#define jit_patch_at(delay_pc, pv) jit_patch_ (((delay_pc) - 1) , (pv))
#define jit_popr_i(rs) (LDmr(JIT_SP, 0, (rs)), ADDrir(JIT_SP, 8, JIT_SP))
#define jit_prepare_i(num) (_jitl.nextarg_put += (num))
#define jit_prolog(numargs) (SAVErir(JIT_SP, -120, JIT_SP), _jitl.nextarg_get = _Ri(0))
#define jit_pushr_i(rs) (STrm((rs), JIT_SP, -8), SUBrir(JIT_SP, 8, JIT_SP))
#define jit_pusharg_i(rs) (--_jitl.nextarg_put, MOVrr((rs), _Ro(_jitl.nextarg_put)))
#define jit_ret() (RET(), RESTORE())
#define jit_retval_i(rd) MOVrr(_Ro(0), (rd))
#define jit_rshi_i(d, rs, is) SRArir((rs), (is), (d))
#define jit_rshi_ui(d, rs, is) SRLrir((rs), (is), (d))
#define jit_rshr_i(d, r1, r2) SRArrr((r1), (r2), (d))
#define jit_rshr_ui(d, r1, r2) SRLrrr((r1), (r2), (d))
#define jit_stxi_c(id, rd, rs) jit_chk_imm((id), STBrm((rs), (rd), (id)), STBrx((rs), (rd), JIT_BIG))
#define jit_stxi_i(id, rd, rs) jit_chk_imm((id), STWrm((rs), (rd), (id)), STWrx((rs), (rd), JIT_BIG))
#define jit_stxi_s(id, rd, rs) jit_chk_imm((id), STHrm((rs), (rd), (id)), STHrx((rs), (rd), JIT_BIG))
#define jit_stxr_c(d1, d2, rs) STBrx((rs), (d1), (d2))
#define jit_stxr_i(d1, d2, rs) STWrx((rs), (d1), (d2))
#define jit_stxr_s(d1, d2, rs) STHrx((rs), (d1), (d2))
#define jit_subr_i(d, s1, s2) SUBrrr((s1), (s2), (d))
#define jit_subcr_i(d, s1, s2) SUBCCrrr((s1), (s2), (d))
#define jit_subxi_i(d, rs, is) jit_chk_imm((is), SUBXCCrir((rs), (is), (d)), SUBXCCrrr((rs), JIT_BIG, (d)))
#define jit_subxr_i(d, s1, s2) SUBXCCrrr((s1), (s2), (d))
#define jit_xori_i(d, rs, is) jit_chk_imm((is), XORrir((rs), (is), (d)), XORrrr((rs), JIT_BIG, (d)))
#define jit_xorr_i(d, s1, s2) XORrrr((s1), (s2), (d))
#endif /* __lightning_core_h */
|
