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Issue 75203003: Remove intrinsified version of fsin, fcos. The optimized code calls into runtime, which may use dif… (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 7 years, 1 month ago
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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a 2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file. 3 // BSD-style license that can be found in the LICENSE file.
4 4
5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_X64. 5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_X64.
6 #if defined(TARGET_ARCH_X64) 6 #if defined(TARGET_ARCH_X64)
7 7
8 #include "vm/intrinsifier.h" 8 #include "vm/intrinsifier.h"
9 9
10 #include "vm/assembler.h" 10 #include "vm/assembler.h"
(...skipping 1178 matching lines...) Expand 10 before | Expand all | Expand 10 after
1189 __ ret(); 1189 __ ret();
1190 __ Bind(&is_zero); 1190 __ Bind(&is_zero);
1191 // Check for negative zero (get the sign bit). 1191 // Check for negative zero (get the sign bit).
1192 __ movmskpd(RAX, XMM0); 1192 __ movmskpd(RAX, XMM0);
1193 __ testq(RAX, Immediate(1)); 1193 __ testq(RAX, Immediate(1));
1194 __ j(NOT_ZERO, &is_true, Assembler::kNearJump); 1194 __ j(NOT_ZERO, &is_true, Assembler::kNearJump);
1195 __ jmp(&is_false, Assembler::kNearJump); 1195 __ jmp(&is_false, Assembler::kNearJump);
1196 } 1196 }
1197 1197
1198 1198
1199 enum TrigonometricFunctions {
1200 kSine,
1201 kCosine,
1202 };
1203
1204
1205 static void EmitTrigonometric(Assembler* assembler,
1206 TrigonometricFunctions kind) {
1207 Label fall_through, is_smi, double_op;
1208 TestLastArgumentIsDouble(assembler, &is_smi, &fall_through);
1209 // Argument is double and is in EAX.
1210 __ fldl(FieldAddress(RAX, Double::value_offset()));
1211 __ Bind(&double_op);
1212 switch (kind) {
1213 case kSine: __ fsin(); break;
1214 case kCosine: __ fcos(); break;
1215 default:
1216 UNREACHABLE();
1217 }
1218 const Class& double_class = Class::Handle(
1219 Isolate::Current()->object_store()->double_class());
1220 Label alloc_failed;
1221 __ TryAllocate(double_class,
1222 &alloc_failed,
1223 Assembler::kNearJump,
1224 RAX, // Result register.
1225 kNoRegister); // Pool pointer might not be loaded.
1226 __ fstpl(FieldAddress(RAX, Double::value_offset()));
1227 __ ret();
1228
1229 __ Bind(&is_smi); // smi -> double.
1230 __ SmiUntag(RAX);
1231 __ pushq(RAX);
1232 __ fildl(Address(RSP, 0));
1233 __ popq(RAX);
1234 __ jmp(&double_op);
1235
1236 __ Bind(&alloc_failed);
1237 __ ffree(0);
1238 __ fincstp();
1239
1240 __ Bind(&fall_through);
1241 }
1242
1243
1244 void Intrinsifier::Double_toInt(Assembler* assembler) { 1199 void Intrinsifier::Double_toInt(Assembler* assembler) {
1245 __ movq(RAX, Address(RSP, +1 * kWordSize)); 1200 __ movq(RAX, Address(RSP, +1 * kWordSize));
1246 __ movsd(XMM0, FieldAddress(RAX, Double::value_offset())); 1201 __ movsd(XMM0, FieldAddress(RAX, Double::value_offset()));
1247 __ cvttsd2siq(RAX, XMM0); 1202 __ cvttsd2siq(RAX, XMM0);
1248 // Overflow is signalled with minint. 1203 // Overflow is signalled with minint.
1249 Label fall_through; 1204 Label fall_through;
1250 // Check for overflow and that it fits into Smi. 1205 // Check for overflow and that it fits into Smi.
1251 __ movq(RCX, RAX); 1206 __ movq(RCX, RAX);
1252 __ shlq(RCX, Immediate(1)); 1207 __ shlq(RCX, Immediate(1));
1253 __ j(OVERFLOW, &fall_through, Assembler::kNearJump); 1208 __ j(OVERFLOW, &fall_through, Assembler::kNearJump);
(...skipping 20 matching lines...) Expand all
1274 __ movsd(FieldAddress(RAX, Double::value_offset()), XMM0); 1229 __ movsd(FieldAddress(RAX, Double::value_offset()), XMM0);
1275 __ ret(); 1230 __ ret();
1276 __ Bind(&is_smi); 1231 __ Bind(&is_smi);
1277 __ SmiUntag(RAX); 1232 __ SmiUntag(RAX);
1278 __ cvtsi2sd(XMM1, RAX); 1233 __ cvtsi2sd(XMM1, RAX);
1279 __ jmp(&double_op); 1234 __ jmp(&double_op);
1280 __ Bind(&fall_through); 1235 __ Bind(&fall_through);
1281 } 1236 }
1282 1237
1283 1238
1284 void Intrinsifier::Math_sin(Assembler* assembler) {
1285 EmitTrigonometric(assembler, kSine);
1286 }
1287
1288
1289 void Intrinsifier::Math_cos(Assembler* assembler) {
1290 EmitTrigonometric(assembler, kCosine);
1291 }
1292
1293
1294 // var state = ((_A * (_state[kSTATE_LO])) + _state[kSTATE_HI]) & _MASK_64; 1239 // var state = ((_A * (_state[kSTATE_LO])) + _state[kSTATE_HI]) & _MASK_64;
1295 // _state[kSTATE_LO] = state & _MASK_32; 1240 // _state[kSTATE_LO] = state & _MASK_32;
1296 // _state[kSTATE_HI] = state >> 32; 1241 // _state[kSTATE_HI] = state >> 32;
1297 void Intrinsifier::Random_nextState(Assembler* assembler) { 1242 void Intrinsifier::Random_nextState(Assembler* assembler) {
1298 const Library& math_lib = Library::Handle(Library::MathLibrary()); 1243 const Library& math_lib = Library::Handle(Library::MathLibrary());
1299 ASSERT(!math_lib.IsNull()); 1244 ASSERT(!math_lib.IsNull());
1300 const Class& random_class = Class::Handle( 1245 const Class& random_class = Class::Handle(
1301 math_lib.LookupClassAllowPrivate(Symbols::_Random())); 1246 math_lib.LookupClassAllowPrivate(Symbols::_Random()));
1302 ASSERT(!random_class.IsNull()); 1247 ASSERT(!random_class.IsNull());
1303 const Field& state_field = Field::ZoneHandle( 1248 const Field& state_field = Field::ZoneHandle(
(...skipping 394 matching lines...) Expand 10 before | Expand all | Expand 10 after
1698 1643
1699 void Intrinsifier::TwoByteString_equality(Assembler* assembler) { 1644 void Intrinsifier::TwoByteString_equality(Assembler* assembler) {
1700 StringEquality(assembler, kTwoByteStringCid); 1645 StringEquality(assembler, kTwoByteStringCid);
1701 } 1646 }
1702 1647
1703 #undef __ 1648 #undef __
1704 1649
1705 } // namespace dart 1650 } // namespace dart
1706 1651
1707 #endif // defined TARGET_ARCH_X64 1652 #endif // defined TARGET_ARCH_X64
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