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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_ARM64_MACRO_ASSEMBLER_ARM64_INL_H_ | 5 #ifndef V8_ARM64_MACRO_ASSEMBLER_ARM64_INL_H_ |
6 #define V8_ARM64_MACRO_ASSEMBLER_ARM64_INL_H_ | 6 #define V8_ARM64_MACRO_ASSEMBLER_ARM64_INL_H_ |
7 | 7 |
8 #include <ctype.h> | 8 #include <ctype.h> |
9 | 9 |
10 #include "src/globals.h" | 10 #include "src/globals.h" |
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1343 Register src, | 1343 Register src, |
1344 UntagMode mode) { | 1344 UntagMode mode) { |
1345 ASSERT(dst.Is32Bits() && src.Is64Bits()); | 1345 ASSERT(dst.Is32Bits() && src.Is64Bits()); |
1346 if (FLAG_enable_slow_asserts && (mode == kNotSpeculativeUntag)) { | 1346 if (FLAG_enable_slow_asserts && (mode == kNotSpeculativeUntag)) { |
1347 AssertSmi(src); | 1347 AssertSmi(src); |
1348 } | 1348 } |
1349 Scvtf(dst, src, kSmiShift); | 1349 Scvtf(dst, src, kSmiShift); |
1350 } | 1350 } |
1351 | 1351 |
1352 | 1352 |
| 1353 void MacroAssembler::SmiTagAndPush(Register src) { |
| 1354 STATIC_ASSERT((kSmiShift == 32) && (kSmiTag == 0)); |
| 1355 Push(src.W(), wzr); |
| 1356 } |
| 1357 |
| 1358 |
| 1359 void MacroAssembler::SmiTagAndPush(Register src1, Register src2) { |
| 1360 STATIC_ASSERT((kSmiShift == 32) && (kSmiTag == 0)); |
| 1361 Push(src1.W(), wzr, src2.W(), wzr); |
| 1362 } |
| 1363 |
| 1364 |
1353 void MacroAssembler::JumpIfSmi(Register value, | 1365 void MacroAssembler::JumpIfSmi(Register value, |
1354 Label* smi_label, | 1366 Label* smi_label, |
1355 Label* not_smi_label) { | 1367 Label* not_smi_label) { |
1356 STATIC_ASSERT((kSmiTagSize == 1) && (kSmiTag == 0)); | 1368 STATIC_ASSERT((kSmiTagSize == 1) && (kSmiTag == 0)); |
1357 // Check if the tag bit is set. | 1369 // Check if the tag bit is set. |
1358 if (smi_label) { | 1370 if (smi_label) { |
1359 Tbz(value, 0, smi_label); | 1371 Tbz(value, 0, smi_label); |
1360 if (not_smi_label) { | 1372 if (not_smi_label) { |
1361 B(not_smi_label); | 1373 B(not_smi_label); |
1362 } | 1374 } |
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1689 // characters are reserved for controlling features of the instrumentation. | 1701 // characters are reserved for controlling features of the instrumentation. |
1690 ASSERT(isprint(marker_name[0]) && isprint(marker_name[1])); | 1702 ASSERT(isprint(marker_name[0]) && isprint(marker_name[1])); |
1691 | 1703 |
1692 InstructionAccurateScope scope(this, 1); | 1704 InstructionAccurateScope scope(this, 1); |
1693 movn(xzr, (marker_name[1] << 8) | marker_name[0]); | 1705 movn(xzr, (marker_name[1] << 8) | marker_name[0]); |
1694 } | 1706 } |
1695 | 1707 |
1696 } } // namespace v8::internal | 1708 } } // namespace v8::internal |
1697 | 1709 |
1698 #endif // V8_ARM64_MACRO_ASSEMBLER_ARM64_INL_H_ | 1710 #endif // V8_ARM64_MACRO_ASSEMBLER_ARM64_INL_H_ |
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