WARNING! Access to this system is limited to authorised users only.
Unauthorised users may be subject to prosecution.
Unauthorised access to this system is a criminal offence under Australian law (Federal Crimes Act 1914 Part VIA)
It is a criminal offence to:
(1) Obtain access to data without authority. -Penalty 2 years imprisonment.
(2) Damage, delete, alter or insert data without authority. -Penalty 10 years imprisonment.
User activity is monitored and recorded. Anyone using this system expressly consents to such monitoring and recording.

To protect your data, the CISO officer has suggested users to enable 2FA as soon as possible.
Currently 2.7% of users enabled 2FA.

mod.rs 8.98 KB
Newer Older
qinsoon's avatar
qinsoon committed
1
2
3
#![allow(dead_code)]
#![allow(non_upper_case_globals)]

4
5
6
7
8
9
10
pub mod inst_sel;

mod codegen;
pub use compiler::backend::x86_64::codegen::CodeGenerator;

mod asm_backend;
pub use compiler::backend::x86_64::asm_backend::ASMCodeGen;
11
12
pub use compiler::backend::x86_64::asm_backend::emit_code;
pub use compiler::backend::x86_64::asm_backend::emit_context;
13
14
#[cfg(feature = "aot")]
pub use compiler::backend::x86_64::asm_backend::spill_rewrite;
15
16
17

use ast::ptr::P;
use ast::ir::*;
qinsoon's avatar
qinsoon committed
18
use ast::types::*;
qinsoon's avatar
qinsoon committed
19
use compiler::backend::RegGroup;
qinsoon's avatar
qinsoon committed
20

21
22
use std::collections::HashMap;

23
macro_rules! GPR {
qinsoon's avatar
qinsoon committed
24
    ($id:expr, $name: expr) => {
qinsoon's avatar
qinsoon committed
25
26
        {
            P(Value {
qinsoon's avatar
qinsoon committed
27
                hdr: MuEntityHeader::named($id, $name.to_string()),
qinsoon's avatar
qinsoon committed
28
                ty: UINT64_TYPE.clone(),
qinsoon's avatar
qinsoon committed
29
                v: Value_::SSAVar($id)
qinsoon's avatar
qinsoon committed
30
31
            })
        }
qinsoon's avatar
qinsoon committed
32
33
34
35
    };
}

macro_rules! FPR {
qinsoon's avatar
qinsoon committed
36
    ($id:expr, $name: expr) => {
qinsoon's avatar
qinsoon committed
37
38
        {
            P(Value {
qinsoon's avatar
qinsoon committed
39
                hdr: MuEntityHeader::named($id, $name.to_string()),
qinsoon's avatar
qinsoon committed
40
                ty: DOUBLE_TYPE.clone(),
qinsoon's avatar
qinsoon committed
41
                v: Value_::SSAVar($id)
qinsoon's avatar
qinsoon committed
42
43
            })
        }
qinsoon's avatar
qinsoon committed
44
45
46
    };
}

47
// put into several segments to avoid 'recursion limit reached' error
qinsoon's avatar
qinsoon committed
48
lazy_static! {
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
    pub static ref RAX : P<Value> = GPR!(0, "rax");
    pub static ref RCX : P<Value> = GPR!(1, "rcx");
    pub static ref RDX : P<Value> = GPR!(2, "rdx");
    pub static ref RBX : P<Value> = GPR!(3, "rbx");
    pub static ref RSP : P<Value> = GPR!(4, "rsp");
    pub static ref RBP : P<Value> = GPR!(5, "rbp");
    pub static ref RSI : P<Value> = GPR!(6, "rsi");
    pub static ref RDI : P<Value> = GPR!(7, "rdi");
    pub static ref R8  : P<Value> = GPR!(8, "r8");
    pub static ref R9  : P<Value> = GPR!(9, "r9");
    pub static ref R10 : P<Value> = GPR!(10,"r10");
    pub static ref R11 : P<Value> = GPR!(11,"r11");
    pub static ref R12 : P<Value> = GPR!(12,"r12");
    pub static ref R13 : P<Value> = GPR!(13,"r13");
    pub static ref R14 : P<Value> = GPR!(14,"r14");
    pub static ref R15 : P<Value> = GPR!(15,"r15");

    pub static ref RIP : P<Value> = GPR!(32,"rip");
qinsoon's avatar
qinsoon committed
67

qinsoon's avatar
qinsoon committed
68
69
70
71
    pub static ref RETURN_GPRs : [P<Value>; 2] = [
        RAX.clone(),
        RDX.clone(),
    ];
72

qinsoon's avatar
qinsoon committed
73
74
75
76
77
78
79
80
    pub static ref ARGUMENT_GPRs : [P<Value>; 6] = [
        RDI.clone(),
        RSI.clone(),
        RDX.clone(),
        RCX.clone(),
        R8.clone(),
        R9.clone()
    ];
81

qinsoon's avatar
qinsoon committed
82
83
84
85
86
87
88
89
    pub static ref CALLEE_SAVED_GPRs : [P<Value>; 6] = [
        RBX.clone(),
        RBP.clone(),
        R12.clone(),
        R13.clone(),
        R14.clone(),
        R15.clone()
    ];
qinsoon's avatar
qinsoon committed
90
91
92
93
94
95
96
97
98
99
100
101

    pub static ref CALLER_SAVED_GPRs : [P<Value>; 9] = [
        RAX.clone(),
        RCX.clone(),
        RDX.clone(),
        RSI.clone(),
        RDI.clone(),
        R8.clone(),
        R9.clone(),
        R10.clone(),
        R11.clone()
    ];
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120

    pub static ref ALL_GPRs : [P<Value>; 15] = [
        RAX.clone(),
        RCX.clone(),
        RDX.clone(),
        RBX.clone(),
        RSP.clone(),
//        RBP.clone(),
        RSI.clone(),
        RDI.clone(),
        R8.clone(),
        R9.clone(),
        R10.clone(),
        R11.clone(),
        R12.clone(),
        R13.clone(),
        R14.clone(),
        R15.clone()
    ];
qinsoon's avatar
qinsoon committed
121
122
123
}

lazy_static!{
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
    pub static ref XMM0  : P<Value> = FPR!(16,"xmm0");
    pub static ref XMM1  : P<Value> = FPR!(17,"xmm1");
    pub static ref XMM2  : P<Value> = FPR!(18,"xmm2");
    pub static ref XMM3  : P<Value> = FPR!(19,"xmm3");
    pub static ref XMM4  : P<Value> = FPR!(20,"xmm4");
    pub static ref XMM5  : P<Value> = FPR!(21,"xmm5");
    pub static ref XMM6  : P<Value> = FPR!(22,"xmm6");
    pub static ref XMM7  : P<Value> = FPR!(23,"xmm7");
    pub static ref XMM8  : P<Value> = FPR!(24,"xmm8");
    pub static ref XMM9  : P<Value> = FPR!(25,"xmm9");
    pub static ref XMM10 : P<Value> = FPR!(26,"xmm10");
    pub static ref XMM11 : P<Value> = FPR!(27,"xmm11");
    pub static ref XMM12 : P<Value> = FPR!(28,"xmm12");
    pub static ref XMM13 : P<Value> = FPR!(29,"xmm13");
    pub static ref XMM14 : P<Value> = FPR!(30,"xmm14");
    pub static ref XMM15 : P<Value> = FPR!(31,"xmm15");

qinsoon's avatar
qinsoon committed
141
142
143
144
    pub static ref RETURN_FPRs : [P<Value>; 2] = [
        XMM0.clone(),
        XMM1.clone()
    ];
145

qinsoon's avatar
qinsoon committed
146
147
148
    pub static ref ARGUMENT_FPRs : [P<Value>; 8] = [
        XMM0.clone(),
        XMM1.clone(),
qinsoon's avatar
qinsoon committed
149
150
151
152
153
154
155
        XMM2.clone(),
        XMM3.clone(),
        XMM4.clone(),
        XMM5.clone(),
        XMM6.clone(),
        XMM7.clone()
    ];
156

qinsoon's avatar
qinsoon committed
157
    pub static ref CALLEE_SAVED_FPRs : [P<Value>; 0] = [];
qinsoon's avatar
qinsoon committed
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176

    pub static ref CALLER_SAVED_FPRs : [P<Value>; 16] = [
        XMM0.clone(),
        XMM1.clone(),
        XMM2.clone(),
        XMM3.clone(),
        XMM4.clone(),
        XMM5.clone(),
        XMM6.clone(),
        XMM7.clone(),
        XMM8.clone(),
        XMM9.clone(),
        XMM10.clone(),
        XMM11.clone(),
        XMM12.clone(),
        XMM13.clone(),
        XMM14.clone(),
        XMM15.clone(),
    ];
177

qinsoon's avatar
qinsoon committed
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
    pub static ref ALL_FPRs : [P<Value>; 16] = [
        XMM0.clone(),
        XMM1.clone(),
        XMM2.clone(),
        XMM3.clone(),
        XMM4.clone(),
        XMM5.clone(),
        XMM6.clone(),
        XMM7.clone(),
        XMM8.clone(),
        XMM9.clone(),
        XMM10.clone(),
        XMM11.clone(),
        XMM12.clone(),
        XMM13.clone(),
        XMM14.clone(),
        XMM15.clone(),
    ];
qinsoon's avatar
qinsoon committed
196
197
}

198
199
200
pub const GPR_COUNT : usize = 16;
pub const FPR_COUNT : usize = 16;

qinsoon's avatar
qinsoon committed
201
lazy_static! {
202
    pub static ref ALL_MACHINE_REGs : HashMap<MuID, P<Value>> = {
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
        let mut map = HashMap::new();
        map.insert(RAX.id(), RAX.clone());
        map.insert(RCX.id(), RCX.clone());
        map.insert(RDX.id(), RDX.clone());
        map.insert(RBX.id(), RBX.clone());
        map.insert(RSP.id(), RSP.clone());
        map.insert(RBP.id(), RBP.clone());
        map.insert(RSI.id(), RSI.clone());
        map.insert(RDI.id(), RDI.clone());
        map.insert(R8.id(), R8.clone());
        map.insert(R9.id(), R9.clone());
        map.insert(R10.id(), R10.clone());
        map.insert(R11.id(), R11.clone());
        map.insert(R12.id(), R12.clone());
        map.insert(R13.id(), R13.clone());
        map.insert(R14.id(), R14.clone());
        map.insert(R15.id(), R15.clone());
        map.insert(XMM0.id(), XMM0.clone());
        map.insert(XMM1.id(), XMM1.clone());
        map.insert(XMM2.id(), XMM2.clone());
        map.insert(XMM3.id(), XMM3.clone());
        map.insert(XMM4.id(), XMM4.clone());
        map.insert(XMM5.id(), XMM5.clone());
        map.insert(XMM6.id(), XMM6.clone());
        map.insert(XMM7.id(), XMM7.clone());
        map.insert(XMM8.id(), XMM8.clone());
        map.insert(XMM9.id(), XMM9.clone());
        map.insert(XMM10.id(), XMM10.clone());
        map.insert(XMM11.id(), XMM11.clone());
        map.insert(XMM12.id(), XMM12.clone());
        map.insert(XMM13.id(), XMM13.clone());
        map.insert(XMM14.id(), XMM14.clone());
        map.insert(XMM15.id(), XMM15.clone());
        map.insert(RIP.id(), RIP.clone());

        map
    };
240

241
242
243
244
245
246
247
248
249
250
251
    // put caller saved regs first (they imposes no overhead if there is no call instruction)
    pub static ref ALL_USABLE_MACHINE_REGs : Vec<P<Value>> = vec![
        RAX.clone(),
        RCX.clone(),
        RDX.clone(),
        RSI.clone(),
        RDI.clone(),
        R8.clone(),
        R9.clone(),
        R10.clone(),
        R11.clone(),
252

253
254
255
256
257
        RBX.clone(),
        R12.clone(),
        R13.clone(),
        R14.clone(),
        R15.clone(),
258

259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
        XMM0.clone(),
        XMM1.clone(),
        XMM2.clone(),
        XMM3.clone(),
        XMM4.clone(),
        XMM5.clone(),
        XMM6.clone(),
        XMM7.clone(),
        XMM8.clone(),
        XMM9.clone(),
        XMM10.clone(),
        XMM11.clone(),
        XMM12.clone(),
        XMM13.clone(),
        XMM14.clone(),
        XMM15.clone()
    ];
qinsoon's avatar
qinsoon committed
276
277
}

qinsoon's avatar
qinsoon committed
278
pub fn init_machine_regs_for_func (func_context: &mut FunctionContext) {
279
    for reg in ALL_MACHINE_REGs.values() {
qinsoon's avatar
qinsoon committed
280
        let reg_id = reg.extract_ssa_id().unwrap();
qinsoon's avatar
qinsoon committed
281
        let entry = SSAVarEntry::new(reg.clone());
282

qinsoon's avatar
qinsoon committed
283
284
285
286
287
288
        func_context.values.insert(reg_id, entry);
    }
}

pub fn number_of_regs_in_group(group: RegGroup) -> usize {
    match group {
289
290
        RegGroup::GPR => ALL_GPRs.len(),
        RegGroup::FPR => ALL_FPRs.len()
qinsoon's avatar
qinsoon committed
291
292
293
    }
}

qinsoon's avatar
qinsoon committed
294
295
296
297
pub fn number_of_all_regs() -> usize {
    ALL_MACHINE_REGs.len()
}

298
pub fn all_regs() -> &'static HashMap<MuID, P<Value>> {
qinsoon's avatar
qinsoon committed
299
300
301
    &ALL_MACHINE_REGs
}

302
303
304
305
pub fn all_usable_regs() -> &'static Vec<P<Value>> {
    &ALL_USABLE_MACHINE_REGs
}

306
pub fn pick_group_for_reg(reg_id: MuID) -> RegGroup {
307
    let reg = all_regs().get(&reg_id).unwrap();
308
309
310
311
312
313
314
    if reg.is_int_reg() {
        RegGroup::GPR
    } else if reg.is_fp_reg() {
        RegGroup::FPR
    } else {
        panic!("expect a machine reg to be either a GPR or a FPR: {}", reg)
    }
315
316
}

317
318
319
320
321
322
pub fn is_callee_saved(reg_id: MuID) -> bool {
    for reg in CALLEE_SAVED_GPRs.iter() {
        if reg_id == reg.extract_ssa_id().unwrap() {
            return true;
        }
    }
323
324

    false
325
326
}

327
pub fn is_valid_x86_imm(op: &P<Value>) -> bool {
328
    use std::i32;
qinsoon's avatar
qinsoon committed
329
    match op.v {
330
        Value_::Constant(Constant::Int(val)) if val <= i32::MAX as u64 => {
qinsoon's avatar
qinsoon committed
331
332
            true
        },
333
334
        _ => false
    }
335
}