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1 // Copyright (c) 1994-2006 Sun Microsystems Inc. | 1 // Copyright (c) 1994-2006 Sun Microsystems Inc. |
2 // All Rights Reserved. | 2 // All Rights Reserved. |
3 // | 3 // |
4 // Redistribution and use in source and binary forms, with or without | 4 // Redistribution and use in source and binary forms, with or without |
5 // modification, are permitted provided that the following conditions | 5 // modification, are permitted provided that the following conditions |
6 // are met: | 6 // are met: |
7 // | 7 // |
8 // - Redistributions of source code must retain the above copyright notice, | 8 // - Redistributions of source code must retain the above copyright notice, |
9 // this list of conditions and the following disclaimer. | 9 // this list of conditions and the following disclaimer. |
10 // | 10 // |
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2330 // cond(31-28) | 11101(27-23)| D=?(22) | 00(21-20) | Vn(19-16) | | 2330 // cond(31-28) | 11101(27-23)| D=?(22) | 00(21-20) | Vn(19-16) | |
2331 // Vd(15-12) | 101(11-9) | sz(8)=1 | N(7)=? | 0(6) | M=?(5) | 0(4) | Vm(3-0) | 2331 // Vd(15-12) | 101(11-9) | sz(8)=1 | N(7)=? | 0(6) | M=?(5) | 0(4) | Vm(3-0) |
2332 ASSERT(CpuFeatures::IsEnabled(VFP3)); | 2332 ASSERT(CpuFeatures::IsEnabled(VFP3)); |
2333 emit(cond | 0xE*B24 | B23 | src1.code()*B16 | | 2333 emit(cond | 0xE*B24 | B23 | src1.code()*B16 | |
2334 dst.code()*B12 | 0x5*B9 | B8 | src2.code()); | 2334 dst.code()*B12 | 0x5*B9 | B8 | src2.code()); |
2335 } | 2335 } |
2336 | 2336 |
2337 | 2337 |
2338 void Assembler::vcmp(const DwVfpRegister src1, | 2338 void Assembler::vcmp(const DwVfpRegister src1, |
2339 const DwVfpRegister src2, | 2339 const DwVfpRegister src2, |
2340 const SBit s, | |
2341 const Condition cond) { | 2340 const Condition cond) { |
2342 // vcmp(Dd, Dm) double precision floating point comparison. | 2341 // vcmp(Dd, Dm) double precision floating point comparison. |
2343 // We set bit E, as we want any NaN to set the cumulative exception flag | 2342 // We set bit E, as we want any NaN to set the cumulative exception flag |
2344 // in the FPSCR. | 2343 // in the FPSCR. |
2345 // Instruction details available in ARM DDI 0406A, A8-570. | 2344 // Instruction details available in ARM DDI 0406A, A8-570. |
2346 // cond(31-28) | 11101 (27-23)| D=?(22) | 11 (21-20) | 0100 (19-16) | | 2345 // cond(31-28) | 11101 (27-23)| D=?(22) | 11 (21-20) | 0100 (19-16) | |
2347 // Vd(15-12) | 101(11-9) | sz(8)=1 | E(7)=1 | 1(6) | M(5)=? | 0(4) | Vm(3-0) | 2346 // Vd(15-12) | 101(11-9) | sz(8)=1 | E(7)=1 | 1(6) | M(5)=? | 0(4) | Vm(3-0) |
2348 ASSERT(CpuFeatures::IsEnabled(VFP3)); | 2347 ASSERT(CpuFeatures::IsEnabled(VFP3)); |
2349 emit(cond | 0xE*B24 |B23 | 0x3*B20 | B18 | | 2348 emit(cond | 0xE*B24 |B23 | 0x3*B20 | B18 | |
2350 src1.code()*B12 | 0x5*B9 | B8 | B7 | B6 | src2.code()); | 2349 src1.code()*B12 | 0x5*B9 | B8 | B7 | B6 | src2.code()); |
2351 } | 2350 } |
2352 | 2351 |
2353 | 2352 |
2354 void Assembler::vcmp(const DwVfpRegister src1, | 2353 void Assembler::vcmp(const DwVfpRegister src1, |
2355 const double src2, | 2354 const double src2, |
2356 const SBit s, | |
2357 const Condition cond) { | 2355 const Condition cond) { |
2358 // vcmp(Dd, Dm) double precision floating point comparison. | 2356 // vcmp(Dd, Dm) double precision floating point comparison. |
2359 // Instruction details available in ARM DDI 0406A, A8-570. | 2357 // Instruction details available in ARM DDI 0406A, A8-570. |
2360 // We set bit E, as we want any NaN to set the cumulative exception flag | 2358 // We set bit E, as we want any NaN to set the cumulative exception flag |
2361 // in the FPSCR. | 2359 // in the FPSCR. |
2362 // cond(31-28) | 11101 (27-23)| D=?(22) | 11 (21-20) | 0101 (19-16) | | 2360 // cond(31-28) | 11101 (27-23)| D=?(22) | 11 (21-20) | 0101 (19-16) | |
2363 // Vd(15-12) | 101(11-9) | sz(8)=1 | E(7)=1 | 1(6) | M(5)=? | 0(4) | 0000(3-0) | 2361 // Vd(15-12) | 101(11-9) | sz(8)=1 | E(7)=1 | 1(6) | M(5)=? | 0(4) | 0000(3-0) |
2364 ASSERT(CpuFeatures::IsEnabled(VFP3)); | 2362 ASSERT(CpuFeatures::IsEnabled(VFP3)); |
2365 ASSERT(src2 == 0.0); | 2363 ASSERT(src2 == 0.0); |
2366 emit(cond | 0xE*B24 |B23 | 0x3*B20 | B18 | B16 | | 2364 emit(cond | 0xE*B24 |B23 | 0x3*B20 | B18 | B16 | |
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2652 | 2650 |
2653 // Since a constant pool was just emitted, move the check offset forward by | 2651 // Since a constant pool was just emitted, move the check offset forward by |
2654 // the standard interval. | 2652 // the standard interval. |
2655 next_buffer_check_ = pc_offset() + kCheckConstInterval; | 2653 next_buffer_check_ = pc_offset() + kCheckConstInterval; |
2656 } | 2654 } |
2657 | 2655 |
2658 | 2656 |
2659 } } // namespace v8::internal | 2657 } } // namespace v8::internal |
2660 | 2658 |
2661 #endif // V8_TARGET_ARCH_ARM | 2659 #endif // V8_TARGET_ARCH_ARM |
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