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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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644 void Assembler::x_form(Instr instr, Register ra, Register rs, Register rb, | 644 void Assembler::x_form(Instr instr, Register ra, Register rs, Register rb, |
645 RCBit r) { | 645 RCBit r) { |
646 emit(instr | rs.code() * B21 | ra.code() * B16 | rb.code() * B11 | r); | 646 emit(instr | rs.code() * B21 | ra.code() * B16 | rb.code() * B11 | r); |
647 } | 647 } |
648 | 648 |
649 void Assembler::xo_form(Instr instr, Register rt, Register ra, Register rb, | 649 void Assembler::xo_form(Instr instr, Register rt, Register ra, Register rb, |
650 OEBit o, RCBit r) { | 650 OEBit o, RCBit r) { |
651 emit(instr | rt.code() * B21 | ra.code() * B16 | rb.code() * B11 | o | r); | 651 emit(instr | rt.code() * B21 | ra.code() * B16 | rb.code() * B11 | o | r); |
652 } | 652 } |
653 | 653 |
654 void Assembler::xx3_form(Instr instr, DoubleRegister t, DoubleRegister a, | |
655 DoubleRegister b) { | |
656 int AX = ((a.code() & 0x20) >> 5) & 0x1; | |
657 int BX = ((b.code() & 0x20) >> 5) & 0x1; | |
658 int TX = ((t.code() & 0x20) >> 5) & 0x1; | |
659 emit(instr | (t.code() & 0x1F) * B21 | (a.code() & 0x1F) * B16 | (b.code() | |
660 & 0x1F) * B11 | AX * B2 | BX * B1 | TX); | |
661 } | |
662 | |
663 void Assembler::md_form(Instr instr, Register ra, Register rs, int shift, | 654 void Assembler::md_form(Instr instr, Register ra, Register rs, int shift, |
664 int maskbit, RCBit r) { | 655 int maskbit, RCBit r) { |
665 int sh0_4 = shift & 0x1f; | 656 int sh0_4 = shift & 0x1f; |
666 int sh5 = (shift >> 5) & 0x1; | 657 int sh5 = (shift >> 5) & 0x1; |
667 int m0_4 = maskbit & 0x1f; | 658 int m0_4 = maskbit & 0x1f; |
668 int m5 = (maskbit >> 5) & 0x1; | 659 int m5 = (maskbit >> 5) & 0x1; |
669 | 660 |
670 emit(instr | rs.code() * B21 | ra.code() * B16 | sh0_4 * B11 | m0_4 * B6 | | 661 emit(instr | rs.code() * B21 | ra.code() * B16 | sh0_4 * B11 | m0_4 * B6 | |
671 m5 * B5 | sh5 * B1 | r); | 662 m5 * B5 | sh5 * B1 | r); |
672 } | 663 } |
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2348 } | 2339 } |
2349 | 2340 |
2350 | 2341 |
2351 void Assembler::fmsub(const DoubleRegister frt, const DoubleRegister fra, | 2342 void Assembler::fmsub(const DoubleRegister frt, const DoubleRegister fra, |
2352 const DoubleRegister frc, const DoubleRegister frb, | 2343 const DoubleRegister frc, const DoubleRegister frb, |
2353 RCBit rc) { | 2344 RCBit rc) { |
2354 emit(EXT4 | FMSUB | frt.code() * B21 | fra.code() * B16 | frb.code() * B11 | | 2345 emit(EXT4 | FMSUB | frt.code() * B21 | fra.code() * B16 | frb.code() * B11 | |
2355 frc.code() * B6 | rc); | 2346 frc.code() * B6 | rc); |
2356 } | 2347 } |
2357 | 2348 |
2358 // Support for VSX instructions | |
2359 | |
2360 void Assembler::xsadddp(const DoubleRegister frt, const DoubleRegister fra, | |
2361 const DoubleRegister frb) { | |
2362 xx3_form(EXT6 | XSADDDP, frt, fra, frb); | |
2363 } | |
2364 void Assembler::xssubdp(const DoubleRegister frt, const DoubleRegister fra, | |
2365 const DoubleRegister frb) { | |
2366 xx3_form(EXT6 | XSSUBDP, frt, fra, frb); | |
2367 } | |
2368 void Assembler::xsdivdp(const DoubleRegister frt, const DoubleRegister fra, | |
2369 const DoubleRegister frb) { | |
2370 xx3_form(EXT6 | XSDIVDP, frt, fra, frb); | |
2371 } | |
2372 void Assembler::xsmuldp(const DoubleRegister frt, const DoubleRegister fra, | |
2373 const DoubleRegister frb) { | |
2374 xx3_form(EXT6 | XSMULDP, frt, fra, frb); | |
2375 } | |
2376 | |
2377 // Pseudo instructions. | 2349 // Pseudo instructions. |
2378 void Assembler::nop(int type) { | 2350 void Assembler::nop(int type) { |
2379 Register reg = r0; | 2351 Register reg = r0; |
2380 switch (type) { | 2352 switch (type) { |
2381 case NON_MARKING_NOP: | 2353 case NON_MARKING_NOP: |
2382 reg = r0; | 2354 reg = r0; |
2383 break; | 2355 break; |
2384 case GROUP_ENDING_NOP: | 2356 case GROUP_ENDING_NOP: |
2385 reg = r2; | 2357 reg = r2; |
2386 break; | 2358 break; |
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2566 | 2538 |
2567 trampoline_ = Trampoline(pc_offset() - size, tracked_branch_count_); | 2539 trampoline_ = Trampoline(pc_offset() - size, tracked_branch_count_); |
2568 } | 2540 } |
2569 } | 2541 } |
2570 | 2542 |
2571 | 2543 |
2572 } // namespace internal | 2544 } // namespace internal |
2573 } // namespace v8 | 2545 } // namespace v8 |
2574 | 2546 |
2575 #endif // V8_TARGET_ARCH_PPC | 2547 #endif // V8_TARGET_ARCH_PPC |
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