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Issue 543187: Make ARM assembler VFP3 test pass on machines without VFP3 floating point har... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 10 years, 10 months ago
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1 // Copyright 2010 the V8 project authors. All rights reserved. 1 // Copyright 2010 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
(...skipping 224 matching lines...) Expand 10 before | Expand all | Expand 10 after
235 double c; 235 double c;
236 } T; 236 } T;
237 T t; 237 T t;
238 238
239 // Create a function that accepts &t, and loads, manipulates, and stores 239 // Create a function that accepts &t, and loads, manipulates, and stores
240 // the doubles t.a, t.b, and t.c. 240 // the doubles t.a, t.b, and t.c.
241 Assembler assm(NULL, 0); 241 Assembler assm(NULL, 0);
242 Label L, C; 242 Label L, C;
243 243
244 244
245 ASSERT(CpuFeatures::IsSupported(VFP3));
246 if (CpuFeatures::IsSupported(VFP3)) { 245 if (CpuFeatures::IsSupported(VFP3)) {
247 CpuFeatures::Scope scope(VFP3); 246 CpuFeatures::Scope scope(VFP3);
248 247
249 __ mov(ip, Operand(sp)); 248 __ mov(ip, Operand(sp));
250 __ stm(db_w, sp, r4.bit() | fp.bit() | lr.bit()); 249 __ stm(db_w, sp, r4.bit() | fp.bit() | lr.bit());
251 __ sub(fp, ip, Operand(4)); 250 __ sub(fp, ip, Operand(4));
252 251
253 __ mov(r4, Operand(r0)); 252 __ mov(r4, Operand(r0));
254 __ vldr(d6, r4, OFFSET_OF(T, a)); 253 __ vldr(d6, r4, OFFSET_OF(T, a));
255 __ vldr(d7, r4, OFFSET_OF(T, b)); 254 __ vldr(d7, r4, OFFSET_OF(T, b));
256 __ vadd(d5, d6, d7); 255 __ vadd(d5, d6, d7);
257 __ vstr(d5, r4, OFFSET_OF(T, c)); 256 __ vstr(d5, r4, OFFSET_OF(T, c));
258 257
259 __ vmov(r2, r3, d5); 258 __ vmov(r2, r3, d5);
260 __ vmov(d4, r2, r3); 259 __ vmov(d4, r2, r3);
261 __ vstr(d4, r4, OFFSET_OF(T, b)); 260 __ vstr(d4, r4, OFFSET_OF(T, b));
262 261
263 __ ldm(ia_w, sp, r4.bit() | fp.bit() | pc.bit()); 262 __ ldm(ia_w, sp, r4.bit() | fp.bit() | pc.bit());
263
264 CodeDesc desc;
265 assm.GetCode(&desc);
266 Object* code = Heap::CreateCode(desc,
267 NULL,
268 Code::ComputeFlags(Code::STUB),
269 Handle<Object>(Heap::undefined_value()));
270 CHECK(code->IsCode());
271 #ifdef DEBUG
272 Code::cast(code)->Print();
273 #endif
274 F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry());
275 t.a = 1.5;
276 t.b = 2.75;
277 t.c = 17.17;
278 Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0);
279 USE(dummy);
280 CHECK_EQ(4.25, t.c);
281 CHECK_EQ(4.25, t.b);
282 CHECK_EQ(1.5, t.a);
264 } 283 }
265 CodeDesc desc;
266 assm.GetCode(&desc);
267 Object* code = Heap::CreateCode(desc,
268 NULL,
269 Code::ComputeFlags(Code::STUB),
270 Handle<Object>(Heap::undefined_value()));
271 CHECK(code->IsCode());
272 #ifdef DEBUG
273 Code::cast(code)->Print();
274 #endif
275 F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry());
276 t.a = 1.5;
277 t.b = 2.75;
278 t.c = 17.17;
279 Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0);
280 USE(dummy);
281 CHECK_EQ(4.25, t.c);
282 CHECK_EQ(4.25, t.b);
283 CHECK_EQ(1.5, t.a);
284 } 284 }
285 285
286 #undef __ 286 #undef __
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