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comparison src/cpu/x86/vm/stubGenerator_x86_64.cpp @ 2407:b1c22848507b

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6741940: Nonvolatile XMM registers not preserved across JNI calls Summary: Save xmm6-xmm15 in call stub on win64 Reviewed-by: kvn, never
author iveresov
date Tue, 29 Mar 2011 17:35:34 -0700
parents 0ac769a57c64
children 348c0df561a9
comparison
equal deleted inserted replaced
2406:a988a7bb3b8a 2407:b1c22848507b
142 // 72(rbp): thread Thread* 142 // 72(rbp): thread Thread*
143 // 143 //
144 // [ return_from_Java ] <--- rsp 144 // [ return_from_Java ] <--- rsp
145 // [ argument word n ] 145 // [ argument word n ]
146 // ... 146 // ...
147 // -8 [ argument word 1 ] 147 // -28 [ argument word 1 ]
148 // -7 [ saved r15 ] <--- rsp_after_call 148 // -27 [ saved xmm15 ] <--- rsp_after_call
149 // [ saved xmm7-xmm14 ]
150 // -9 [ saved xmm6 ] (each xmm register takes 2 slots)
151 // -7 [ saved r15 ]
149 // -6 [ saved r14 ] 152 // -6 [ saved r14 ]
150 // -5 [ saved r13 ] 153 // -5 [ saved r13 ]
151 // -4 [ saved r12 ] 154 // -4 [ saved r12 ]
152 // -3 [ saved rdi ] 155 // -3 [ saved rdi ]
153 // -2 [ saved rsi ] 156 // -2 [ saved rsi ]
167 // We spill c_rarg0-c_rarg3 to this space. 170 // We spill c_rarg0-c_rarg3 to this space.
168 171
169 // Call stub stack layout word offsets from rbp 172 // Call stub stack layout word offsets from rbp
170 enum call_stub_layout { 173 enum call_stub_layout {
171 #ifdef _WIN64 174 #ifdef _WIN64
172 rsp_after_call_off = -7, 175 xmm_save_first = 6, // save from xmm6
173 r15_off = rsp_after_call_off, 176 xmm_save_last = 15, // to xmm15
177 xmm_save_base = -9,
178 rsp_after_call_off = xmm_save_base - 2 * (xmm_save_last - xmm_save_first), // -27
179 r15_off = -7,
174 r14_off = -6, 180 r14_off = -6,
175 r13_off = -5, 181 r13_off = -5,
176 r12_off = -4, 182 r12_off = -4,
177 rdi_off = -3, 183 rdi_off = -3,
178 rsi_off = -2, 184 rsi_off = -2,
206 parameter_size_off = 2, 212 parameter_size_off = 2,
207 thread_off = 3 213 thread_off = 3
208 #endif 214 #endif
209 }; 215 };
210 216
217 #ifdef _WIN64
218 Address xmm_save(int reg) {
219 assert(reg >= xmm_save_first && reg <= xmm_save_last, "XMM register number out of range");
220 return Address(rbp, (xmm_save_base - (reg - xmm_save_first) * 2) * wordSize);
221 }
222 #endif
223
211 address generate_call_stub(address& return_address) { 224 address generate_call_stub(address& return_address) {
212 assert((int)frame::entry_frame_after_call_words == -(int)rsp_after_call_off + 1 && 225 assert((int)frame::entry_frame_after_call_words == -(int)rsp_after_call_off + 1 &&
213 (int)frame::entry_frame_call_wrapper_offset == (int)call_wrapper_off, 226 (int)frame::entry_frame_call_wrapper_offset == (int)call_wrapper_off,
214 "adjust this code"); 227 "adjust this code");
215 StubCodeMark mark(this, "StubRoutines", "call_stub"); 228 StubCodeMark mark(this, "StubRoutines", "call_stub");
254 __ movptr(rbx_save, rbx); 267 __ movptr(rbx_save, rbx);
255 __ movptr(r12_save, r12); 268 __ movptr(r12_save, r12);
256 __ movptr(r13_save, r13); 269 __ movptr(r13_save, r13);
257 __ movptr(r14_save, r14); 270 __ movptr(r14_save, r14);
258 __ movptr(r15_save, r15); 271 __ movptr(r15_save, r15);
259
260 #ifdef _WIN64 272 #ifdef _WIN64
273 for (int i = 6; i <= 15; i++) {
274 __ movdqu(xmm_save(i), as_XMMRegister(i));
275 }
276
261 const Address rdi_save(rbp, rdi_off * wordSize); 277 const Address rdi_save(rbp, rdi_off * wordSize);
262 const Address rsi_save(rbp, rsi_off * wordSize); 278 const Address rsi_save(rbp, rsi_off * wordSize);
263 279
264 __ movptr(rsi_save, rsi); 280 __ movptr(rsi_save, rsi);
265 __ movptr(rdi_save, rdi); 281 __ movptr(rdi_save, rdi);
358 __ bind(L); 374 __ bind(L);
359 } 375 }
360 #endif 376 #endif
361 377
362 // restore regs belonging to calling function 378 // restore regs belonging to calling function
379 #ifdef _WIN64
380 for (int i = 15; i >= 6; i--) {
381 __ movdqu(as_XMMRegister(i), xmm_save(i));
382 }
383 #endif
363 __ movptr(r15, r15_save); 384 __ movptr(r15, r15_save);
364 __ movptr(r14, r14_save); 385 __ movptr(r14, r14_save);
365 __ movptr(r13, r13_save); 386 __ movptr(r13, r13_save);
366 __ movptr(r12, r12_save); 387 __ movptr(r12, r12_save);
367 __ movptr(rbx, rbx_save); 388 __ movptr(rbx, rbx_save);