Mercurial > hg > truffle
annotate src/os_cpu/solaris_x86/vm/solaris_x86_64.s @ 5592:d64507a295cc
Merge.
author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Wed, 13 Jun 2012 19:11:20 +0200 |
parents | c18cbe5936b8 |
children | 980532a806a5 |
rev | line source |
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0 | 1 / |
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2 / Copyright (c) 2004, 2005, Oracle and/or its affiliates. All rights reserved. |
0 | 3 / DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 / | |
5 / This code is free software; you can redistribute it and/or modify it | |
6 / under the terms of the GNU General Public License version 2 only, as | |
7 / published by the Free Software Foundation. | |
8 / | |
9 / This code is distributed in the hope that it will be useful, but WITHOUT | |
10 / ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 / FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 / version 2 for more details (a copy is included in the LICENSE file that | |
13 / accompanied this code). | |
14 / | |
15 / You should have received a copy of the GNU General Public License version | |
16 / 2 along with this work; if not, write to the Free Software Foundation, | |
17 / Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 / | |
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19 / Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
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20 / or visit www.oracle.com if you need additional information or have any |
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21 / questions. |
0 | 22 / |
23 | |
24 .globl fs_load | |
25 .globl fs_thread | |
26 | |
27 // NOTE WELL! The _Copy functions are called directly | |
28 // from server-compiler-generated code via CallLeafNoFP, | |
29 // which means that they *must* either not use floating | |
30 // point or use it in the same manner as does the server | |
31 // compiler. | |
32 | |
33 .globl _Copy_arrayof_conjoint_bytes | |
34 .globl _Copy_conjoint_jshorts_atomic | |
35 .globl _Copy_arrayof_conjoint_jshorts | |
36 .globl _Copy_conjoint_jints_atomic | |
37 .globl _Copy_arrayof_conjoint_jints | |
38 .globl _Copy_conjoint_jlongs_atomic | |
39 .globl _Copy_arrayof_conjoint_jlongs | |
40 | |
41 .section .text,"ax" | |
42 | |
43 / Fast thread accessors, used by threadLS_solaris_amd64.cpp | |
44 .align 16 | |
45 fs_load: | |
46 movq %fs:(%rdi),%rax | |
47 ret | |
48 | |
49 .align 16 | |
50 fs_thread: | |
51 movq %fs:0x0,%rax | |
52 ret | |
53 | |
54 .globl SafeFetch32, Fetch32PFI, Fetch32Resume | |
55 .align 16 | |
56 // Prototype: int SafeFetch32 (int * Adr, int ErrValue) | |
57 SafeFetch32: | |
58 movl %esi, %eax | |
59 Fetch32PFI: | |
60 movl (%rdi), %eax | |
61 Fetch32Resume: | |
62 ret | |
63 | |
64 .globl SafeFetchN, FetchNPFI, FetchNResume | |
65 .align 16 | |
66 // Prototype: intptr_t SafeFetchN (intptr_t * Adr, intptr_t ErrValue) | |
67 SafeFetchN: | |
68 movq %rsi, %rax | |
69 FetchNPFI: | |
70 movq (%rdi), %rax | |
71 FetchNResume: | |
72 ret | |
73 | |
74 .globl SpinPause | |
75 .align 16 | |
76 SpinPause: | |
77 rep | |
78 nop | |
79 movq $1, %rax | |
80 ret | |
81 | |
82 | |
83 / Support for void Copy::arrayof_conjoint_bytes(void* from, | |
84 / void* to, | |
85 / size_t count) | |
86 / rdi - from | |
87 / rsi - to | |
88 / rdx - count, treated as ssize_t | |
89 / | |
90 .align 16 | |
91 _Copy_arrayof_conjoint_bytes: | |
92 movq %rdx,%r8 / byte count | |
93 shrq $3,%rdx / qword count | |
94 cmpq %rdi,%rsi | |
95 leaq -1(%rdi,%r8,1),%rax / from + bcount*1 - 1 | |
96 jbe acb_CopyRight | |
97 cmpq %rax,%rsi | |
98 jbe acb_CopyLeft | |
99 acb_CopyRight: | |
100 leaq -8(%rdi,%rdx,8),%rax / from + qcount*8 - 8 | |
101 leaq -8(%rsi,%rdx,8),%rcx / to + qcount*8 - 8 | |
102 negq %rdx | |
103 jmp 7f | |
104 .align 16 | |
105 1: movq 8(%rax,%rdx,8),%rsi | |
106 movq %rsi,8(%rcx,%rdx,8) | |
107 addq $1,%rdx | |
108 jnz 1b | |
109 2: testq $4,%r8 / check for trailing dword | |
110 jz 3f | |
111 movl 8(%rax),%esi / copy trailing dword | |
112 movl %esi,8(%rcx) | |
113 addq $4,%rax | |
114 addq $4,%rcx / original %rsi is trashed, so we | |
115 / can't use it as a base register | |
116 3: testq $2,%r8 / check for trailing word | |
117 jz 4f | |
118 movw 8(%rax),%si / copy trailing word | |
119 movw %si,8(%rcx) | |
120 addq $2,%rcx | |
121 4: testq $1,%r8 / check for trailing byte | |
122 jz 5f | |
123 movb -1(%rdi,%r8,1),%al / copy trailing byte | |
124 movb %al,8(%rcx) | |
125 5: ret | |
126 .align 16 | |
127 6: movq -24(%rax,%rdx,8),%rsi | |
128 movq %rsi,-24(%rcx,%rdx,8) | |
129 movq -16(%rax,%rdx,8),%rsi | |
130 movq %rsi,-16(%rcx,%rdx,8) | |
131 movq -8(%rax,%rdx,8),%rsi | |
132 movq %rsi,-8(%rcx,%rdx,8) | |
133 movq (%rax,%rdx,8),%rsi | |
134 movq %rsi,(%rcx,%rdx,8) | |
135 7: addq $4,%rdx | |
136 jle 6b | |
137 subq $4,%rdx | |
138 jl 1b | |
139 jmp 2b | |
140 acb_CopyLeft: | |
141 testq $1,%r8 / check for trailing byte | |
142 jz 1f | |
143 movb -1(%rdi,%r8,1),%cl / copy trailing byte | |
144 movb %cl,-1(%rsi,%r8,1) | |
145 subq $1,%r8 / adjust for possible trailing word | |
146 1: testq $2,%r8 / check for trailing word | |
147 jz 2f | |
148 movw -2(%rdi,%r8,1),%cx / copy trailing word | |
149 movw %cx,-2(%rsi,%r8,1) | |
150 2: testq $4,%r8 / check for trailing dword | |
151 jz 5f | |
152 movl (%rdi,%rdx,8),%ecx / copy trailing dword | |
153 movl %ecx,(%rsi,%rdx,8) | |
154 jmp 5f | |
155 .align 16 | |
156 3: movq -8(%rdi,%rdx,8),%rcx | |
157 movq %rcx,-8(%rsi,%rdx,8) | |
158 subq $1,%rdx | |
159 jnz 3b | |
160 ret | |
161 .align 16 | |
162 4: movq 24(%rdi,%rdx,8),%rcx | |
163 movq %rcx,24(%rsi,%rdx,8) | |
164 movq 16(%rdi,%rdx,8),%rcx | |
165 movq %rcx,16(%rsi,%rdx,8) | |
166 movq 8(%rdi,%rdx,8),%rcx | |
167 movq %rcx,8(%rsi,%rdx,8) | |
168 movq (%rdi,%rdx,8),%rcx | |
169 movq %rcx,(%rsi,%rdx,8) | |
170 5: subq $4,%rdx | |
171 jge 4b | |
172 addq $4,%rdx | |
173 jg 3b | |
174 ret | |
175 | |
176 / Support for void Copy::arrayof_conjoint_jshorts(void* from, | |
177 / void* to, | |
178 / size_t count) | |
179 / Equivalent to | |
180 / conjoint_jshorts_atomic | |
181 / | |
182 / If 'from' and/or 'to' are aligned on 4- or 2-byte boundaries, we | |
183 / let the hardware handle it. The tow or four words within dwords | |
184 / or qwords that span cache line boundaries will still be loaded | |
185 / and stored atomically. | |
186 / | |
187 / rdi - from | |
188 / rsi - to | |
189 / rdx - count, treated as ssize_t | |
190 / | |
191 .align 16 | |
192 _Copy_arrayof_conjoint_jshorts: | |
193 _Copy_conjoint_jshorts_atomic: | |
194 movq %rdx,%r8 / word count | |
195 shrq $2,%rdx / qword count | |
196 cmpq %rdi,%rsi | |
197 leaq -2(%rdi,%r8,2),%rax / from + wcount*2 - 2 | |
198 jbe acs_CopyRight | |
199 cmpq %rax,%rsi | |
200 jbe acs_CopyLeft | |
201 acs_CopyRight: | |
202 leaq -8(%rdi,%rdx,8),%rax / from + qcount*8 - 8 | |
203 leaq -8(%rsi,%rdx,8),%rcx / to + qcount*8 - 8 | |
204 negq %rdx | |
205 jmp 6f | |
206 1: movq 8(%rax,%rdx,8),%rsi | |
207 movq %rsi,8(%rcx,%rdx,8) | |
208 addq $1,%rdx | |
209 jnz 1b | |
210 2: testq $2,%r8 / check for trailing dword | |
211 jz 3f | |
212 movl 8(%rax),%esi / copy trailing dword | |
213 movl %esi,8(%rcx) | |
214 addq $4,%rcx / original %rsi is trashed, so we | |
215 / can't use it as a base register | |
216 3: testq $1,%r8 / check for trailing word | |
217 jz 4f | |
218 movw -2(%rdi,%r8,2),%si / copy trailing word | |
219 movw %si,8(%rcx) | |
220 4: ret | |
221 .align 16 | |
222 5: movq -24(%rax,%rdx,8),%rsi | |
223 movq %rsi,-24(%rcx,%rdx,8) | |
224 movq -16(%rax,%rdx,8),%rsi | |
225 movq %rsi,-16(%rcx,%rdx,8) | |
226 movq -8(%rax,%rdx,8),%rsi | |
227 movq %rsi,-8(%rcx,%rdx,8) | |
228 movq (%rax,%rdx,8),%rsi | |
229 movq %rsi,(%rcx,%rdx,8) | |
230 6: addq $4,%rdx | |
231 jle 5b | |
232 subq $4,%rdx | |
233 jl 1b | |
234 jmp 2b | |
235 acs_CopyLeft: | |
236 testq $1,%r8 / check for trailing word | |
237 jz 1f | |
238 movw -2(%rdi,%r8,2),%cx / copy trailing word | |
239 movw %cx,-2(%rsi,%r8,2) | |
240 1: testq $2,%r8 / check for trailing dword | |
241 jz 4f | |
242 movl (%rdi,%rdx,8),%ecx / copy trailing dword | |
243 movl %ecx,(%rsi,%rdx,8) | |
244 jmp 4f | |
245 2: movq -8(%rdi,%rdx,8),%rcx | |
246 movq %rcx,-8(%rsi,%rdx,8) | |
247 subq $1,%rdx | |
248 jnz 2b | |
249 ret | |
250 .align 16 | |
251 3: movq 24(%rdi,%rdx,8),%rcx | |
252 movq %rcx,24(%rsi,%rdx,8) | |
253 movq 16(%rdi,%rdx,8),%rcx | |
254 movq %rcx,16(%rsi,%rdx,8) | |
255 movq 8(%rdi,%rdx,8),%rcx | |
256 movq %rcx,8(%rsi,%rdx,8) | |
257 movq (%rdi,%rdx,8),%rcx | |
258 movq %rcx,(%rsi,%rdx,8) | |
259 4: subq $4,%rdx | |
260 jge 3b | |
261 addq $4,%rdx | |
262 jg 2b | |
263 ret | |
264 | |
265 / Support for void Copy::arrayof_conjoint_jints(jint* from, | |
266 / jint* to, | |
267 / size_t count) | |
268 / Equivalent to | |
269 / conjoint_jints_atomic | |
270 / | |
271 / If 'from' and/or 'to' are aligned on 4-byte boundaries, we let | |
272 / the hardware handle it. The two dwords within qwords that span | |
273 / cache line boundaries will still be loaded and stored atomically. | |
274 / | |
275 / rdi - from | |
276 / rsi - to | |
277 / rdx - count, treated as ssize_t | |
278 / | |
279 .align 16 | |
280 _Copy_arrayof_conjoint_jints: | |
281 _Copy_conjoint_jints_atomic: | |
282 movq %rdx,%r8 / dword count | |
283 shrq %rdx / qword count | |
284 cmpq %rdi,%rsi | |
285 leaq -4(%rdi,%r8,4),%rax / from + dcount*4 - 4 | |
286 jbe aci_CopyRight | |
287 cmpq %rax,%rsi | |
288 jbe aci_CopyLeft | |
289 aci_CopyRight: | |
290 leaq -8(%rdi,%rdx,8),%rax / from + qcount*8 - 8 | |
291 leaq -8(%rsi,%rdx,8),%rcx / to + qcount*8 - 8 | |
292 negq %rdx | |
293 jmp 5f | |
294 .align 16 | |
295 1: movq 8(%rax,%rdx,8),%rsi | |
296 movq %rsi,8(%rcx,%rdx,8) | |
297 addq $1,%rdx | |
298 jnz 1b | |
299 2: testq $1,%r8 / check for trailing dword | |
300 jz 3f | |
301 movl 8(%rax),%esi / copy trailing dword | |
302 movl %esi,8(%rcx) | |
303 3: ret | |
304 .align 16 | |
305 4: movq -24(%rax,%rdx,8),%rsi | |
306 movq %rsi,-24(%rcx,%rdx,8) | |
307 movq -16(%rax,%rdx,8),%rsi | |
308 movq %rsi,-16(%rcx,%rdx,8) | |
309 movq -8(%rax,%rdx,8),%rsi | |
310 movq %rsi,-8(%rcx,%rdx,8) | |
311 movq (%rax,%rdx,8),%rsi | |
312 movq %rsi,(%rcx,%rdx,8) | |
313 5: addq $4,%rdx | |
314 jle 4b | |
315 subq $4,%rdx | |
316 jl 1b | |
317 jmp 2b | |
318 aci_CopyLeft: | |
319 testq $1,%r8 / check for trailing dword | |
320 jz 3f | |
321 movl -4(%rdi,%r8,4),%ecx / copy trailing dword | |
322 movl %ecx,-4(%rsi,%r8,4) | |
323 jmp 3f | |
324 1: movq -8(%rdi,%rdx,8),%rcx | |
325 movq %rcx,-8(%rsi,%rdx,8) | |
326 subq $1,%rdx | |
327 jnz 1b | |
328 ret | |
329 .align 16 | |
330 2: movq 24(%rdi,%rdx,8),%rcx | |
331 movq %rcx,24(%rsi,%rdx,8) | |
332 movq 16(%rdi,%rdx,8),%rcx | |
333 movq %rcx,16(%rsi,%rdx,8) | |
334 movq 8(%rdi,%rdx,8),%rcx | |
335 movq %rcx,8(%rsi,%rdx,8) | |
336 movq (%rdi,%rdx,8),%rcx | |
337 movq %rcx,(%rsi,%rdx,8) | |
338 3: subq $4,%rdx | |
339 jge 2b | |
340 addq $4,%rdx | |
341 jg 1b | |
342 ret | |
343 | |
344 / Support for void Copy::arrayof_conjoint_jlongs(jlong* from, | |
345 / jlong* to, | |
346 / size_t count) | |
347 / Equivalent to | |
348 / conjoint_jlongs_atomic | |
349 / arrayof_conjoint_oops | |
350 / conjoint_oops_atomic | |
351 / | |
352 / rdi - from | |
353 / rsi - to | |
354 / rdx - count, treated as ssize_t | |
355 / | |
356 .align 16 | |
357 _Copy_arrayof_conjoint_jlongs: | |
358 _Copy_conjoint_jlongs_atomic: | |
359 cmpq %rdi,%rsi | |
360 leaq -8(%rdi,%rdx,8),%rax / from + count*8 - 8 | |
361 jbe acl_CopyRight | |
362 cmpq %rax,%rsi | |
363 jbe acl_CopyLeft | |
364 acl_CopyRight: | |
365 leaq -8(%rsi,%rdx,8),%rcx / to + count*8 - 8 | |
366 negq %rdx | |
367 jmp 3f | |
368 1: movq 8(%rax,%rdx,8),%rsi | |
369 movq %rsi,8(%rcx,%rdx,8) | |
370 addq $1,%rdx | |
371 jnz 1b | |
372 ret | |
373 .align 16 | |
374 2: movq -24(%rax,%rdx,8),%rsi | |
375 movq %rsi,-24(%rcx,%rdx,8) | |
376 movq -16(%rax,%rdx,8),%rsi | |
377 movq %rsi,-16(%rcx,%rdx,8) | |
378 movq -8(%rax,%rdx,8),%rsi | |
379 movq %rsi,-8(%rcx,%rdx,8) | |
380 movq (%rax,%rdx,8),%rsi | |
381 movq %rsi,(%rcx,%rdx,8) | |
382 3: addq $4,%rdx | |
383 jle 2b | |
384 subq $4,%rdx | |
385 jl 1b | |
386 ret | |
387 4: movq -8(%rdi,%rdx,8),%rcx | |
388 movq %rcx,-8(%rsi,%rdx,8) | |
389 subq $1,%rdx | |
390 jnz 4b | |
391 ret | |
392 .align 16 | |
393 5: movq 24(%rdi,%rdx,8),%rcx | |
394 movq %rcx,24(%rsi,%rdx,8) | |
395 movq 16(%rdi,%rdx,8),%rcx | |
396 movq %rcx,16(%rsi,%rdx,8) | |
397 movq 8(%rdi,%rdx,8),%rcx | |
398 movq %rcx,8(%rsi,%rdx,8) | |
399 movq (%rdi,%rdx,8),%rcx | |
400 movq %rcx,(%rsi,%rdx,8) | |
401 acl_CopyLeft: | |
402 subq $4,%rdx | |
403 jge 5b | |
404 addq $4,%rdx | |
405 jg 4b | |
406 ret |