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Side by Side Diff: src/arm/macro-assembler-arm.cc

Issue 2805013: [Isolates] Fixing ARM build after merge. (Closed) Base URL: git@github.com:v8isolate/v8isolates.git
Patch Set: Created 10 years, 6 months ago
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1 // Copyright 2006-2009 the V8 project authors. All rights reserved. 1 // Copyright 2006-2009 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
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211 211
212 void MacroAssembler::Move(Register dst, Register src) { 212 void MacroAssembler::Move(Register dst, Register src) {
213 if (!dst.is(src)) { 213 if (!dst.is(src)) {
214 mov(dst, src); 214 mov(dst, src);
215 } 215 }
216 } 216 }
217 217
218 218
219 void MacroAssembler::And(Register dst, Register src1, const Operand& src2, 219 void MacroAssembler::And(Register dst, Register src1, const Operand& src2,
220 Condition cond) { 220 Condition cond) {
221 if (!CpuFeatures::IsSupported(ARMv7) || src2.is_single_instruction()) { 221 if (!Isolate::Current()->cpu_features()->IsSupported(ARMv7) ||
222 src2.is_single_instruction()) {
222 and_(dst, src1, src2, LeaveCC, cond); 223 and_(dst, src1, src2, LeaveCC, cond);
223 return; 224 return;
224 } 225 }
225 int32_t immediate = src2.immediate(); 226 int32_t immediate = src2.immediate();
226 if (immediate == 0) { 227 if (immediate == 0) {
227 mov(dst, Operand(0), LeaveCC, cond); 228 mov(dst, Operand(0), LeaveCC, cond);
228 return; 229 return;
229 } 230 }
230 if (IsPowerOf2(immediate + 1) && ((immediate & 1) != 0)) { 231 if (IsPowerOf2(immediate + 1) && ((immediate & 1) != 0)) {
231 ubfx(dst, src1, 0, WhichPowerOf2(immediate + 1), cond); 232 ubfx(dst, src1, 0, WhichPowerOf2(immediate + 1), cond);
232 return; 233 return;
233 } 234 }
234 and_(dst, src1, src2, LeaveCC, cond); 235 and_(dst, src1, src2, LeaveCC, cond);
235 } 236 }
236 237
237 238
238 void MacroAssembler::Ubfx(Register dst, Register src1, int lsb, int width, 239 void MacroAssembler::Ubfx(Register dst, Register src1, int lsb, int width,
239 Condition cond) { 240 Condition cond) {
240 ASSERT(lsb < 32); 241 ASSERT(lsb < 32);
241 if (!CpuFeatures::IsSupported(ARMv7)) { 242 if (!Isolate::Current()->cpu_features()->IsSupported(ARMv7)) {
242 int mask = (1 << (width + lsb)) - 1 - ((1 << lsb) - 1); 243 int mask = (1 << (width + lsb)) - 1 - ((1 << lsb) - 1);
243 and_(dst, src1, Operand(mask), LeaveCC, cond); 244 and_(dst, src1, Operand(mask), LeaveCC, cond);
244 if (lsb != 0) { 245 if (lsb != 0) {
245 mov(dst, Operand(dst, LSR, lsb), LeaveCC, cond); 246 mov(dst, Operand(dst, LSR, lsb), LeaveCC, cond);
246 } 247 }
247 } else { 248 } else {
248 ubfx(dst, src1, lsb, width, cond); 249 ubfx(dst, src1, lsb, width, cond);
249 } 250 }
250 } 251 }
251 252
252 253
253 void MacroAssembler::Sbfx(Register dst, Register src1, int lsb, int width, 254 void MacroAssembler::Sbfx(Register dst, Register src1, int lsb, int width,
254 Condition cond) { 255 Condition cond) {
255 ASSERT(lsb < 32); 256 ASSERT(lsb < 32);
256 if (!CpuFeatures::IsSupported(ARMv7)) { 257 if (!Isolate::Current()->cpu_features()->IsSupported(ARMv7)) {
257 int mask = (1 << (width + lsb)) - 1 - ((1 << lsb) - 1); 258 int mask = (1 << (width + lsb)) - 1 - ((1 << lsb) - 1);
258 and_(dst, src1, Operand(mask), LeaveCC, cond); 259 and_(dst, src1, Operand(mask), LeaveCC, cond);
259 int shift_up = 32 - lsb - width; 260 int shift_up = 32 - lsb - width;
260 int shift_down = lsb + shift_up; 261 int shift_down = lsb + shift_up;
261 if (shift_up != 0) { 262 if (shift_up != 0) {
262 mov(dst, Operand(dst, LSL, shift_up), LeaveCC, cond); 263 mov(dst, Operand(dst, LSL, shift_up), LeaveCC, cond);
263 } 264 }
264 if (shift_down != 0) { 265 if (shift_down != 0) {
265 mov(dst, Operand(dst, ASR, shift_down), LeaveCC, cond); 266 mov(dst, Operand(dst, ASR, shift_down), LeaveCC, cond);
266 } 267 }
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1798 1799
1799 void CodePatcher::Emit(Address addr) { 1800 void CodePatcher::Emit(Address addr) {
1800 masm()->emit(reinterpret_cast<Instr>(addr)); 1801 masm()->emit(reinterpret_cast<Instr>(addr));
1801 } 1802 }
1802 #endif // ENABLE_DEBUGGER_SUPPORT 1803 #endif // ENABLE_DEBUGGER_SUPPORT
1803 1804
1804 1805
1805 } } // namespace v8::internal 1806 } } // namespace v8::internal
1806 1807
1807 #endif // V8_TARGET_ARCH_ARM 1808 #endif // V8_TARGET_ARCH_ARM
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