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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 are | 5 // modification, are permitted provided that the following conditions are |
6 // met: | 6 // 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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798 return ((pc_offset() - L->pos()) < kMaxBranchOffset - 4 * kInstrSize); | 798 return ((pc_offset() - L->pos()) < kMaxBranchOffset - 4 * kInstrSize); |
799 } | 799 } |
800 return false; | 800 return false; |
801 } | 801 } |
802 | 802 |
803 // We have to use a temporary register for things that can be relocated even | 803 // We have to use a temporary register for things that can be relocated even |
804 // if they can be encoded in the MIPS's 16 bits of immediate-offset instruction | 804 // if they can be encoded in the MIPS's 16 bits of immediate-offset instruction |
805 // space. There is no guarantee that the relocated location can be similarly | 805 // space. There is no guarantee that the relocated location can be similarly |
806 // encoded. | 806 // encoded. |
807 bool Assembler::MustUseReg(RelocInfo::Mode rmode) { | 807 bool Assembler::MustUseReg(RelocInfo::Mode rmode) { |
808 return rmode != RelocInfo::NONE; | 808 return !RelocInfo::IsNone(rmode); |
809 } | 809 } |
810 | 810 |
811 void Assembler::GenInstrRegister(Opcode opcode, | 811 void Assembler::GenInstrRegister(Opcode opcode, |
812 Register rs, | 812 Register rs, |
813 Register rt, | 813 Register rt, |
814 Register rd, | 814 Register rd, |
815 uint16_t sa, | 815 uint16_t sa, |
816 SecondaryField func) { | 816 SecondaryField func) { |
817 ASSERT(rd.is_valid() && rs.is_valid() && rt.is_valid() && is_uint5(sa)); | 817 ASSERT(rd.is_valid() && rs.is_valid() && rt.is_valid() && is_uint5(sa)); |
818 Instr instr = opcode | (rs.code() << kRsShift) | (rt.code() << kRtShift) | 818 Instr instr = opcode | (rs.code() << kRsShift) | (rt.code() << kRtShift) |
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1983 // We do not try to reuse pool constants. | 1983 // We do not try to reuse pool constants. |
1984 RelocInfo rinfo(pc_, rmode, data, NULL); | 1984 RelocInfo rinfo(pc_, rmode, data, NULL); |
1985 if (rmode >= RelocInfo::JS_RETURN && rmode <= RelocInfo::DEBUG_BREAK_SLOT) { | 1985 if (rmode >= RelocInfo::JS_RETURN && rmode <= RelocInfo::DEBUG_BREAK_SLOT) { |
1986 // Adjust code for new modes. | 1986 // Adjust code for new modes. |
1987 ASSERT(RelocInfo::IsDebugBreakSlot(rmode) | 1987 ASSERT(RelocInfo::IsDebugBreakSlot(rmode) |
1988 || RelocInfo::IsJSReturn(rmode) | 1988 || RelocInfo::IsJSReturn(rmode) |
1989 || RelocInfo::IsComment(rmode) | 1989 || RelocInfo::IsComment(rmode) |
1990 || RelocInfo::IsPosition(rmode)); | 1990 || RelocInfo::IsPosition(rmode)); |
1991 // These modes do not need an entry in the constant pool. | 1991 // These modes do not need an entry in the constant pool. |
1992 } | 1992 } |
1993 if (rinfo.rmode() != RelocInfo::NONE) { | 1993 if (!RelocInfo::IsNone(rinfo.rmode())) { |
1994 // Don't record external references unless the heap will be serialized. | 1994 // Don't record external references unless the heap will be serialized. |
1995 if (rmode == RelocInfo::EXTERNAL_REFERENCE) { | 1995 if (rmode == RelocInfo::EXTERNAL_REFERENCE) { |
1996 #ifdef DEBUG | 1996 #ifdef DEBUG |
1997 if (!Serializer::enabled()) { | 1997 if (!Serializer::enabled()) { |
1998 Serializer::TooLateToEnableNow(); | 1998 Serializer::TooLateToEnableNow(); |
1999 } | 1999 } |
2000 #endif | 2000 #endif |
2001 if (!Serializer::enabled() && !emit_debug_code()) { | 2001 if (!Serializer::enabled() && !emit_debug_code()) { |
2002 return; | 2002 return; |
2003 } | 2003 } |
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2240 } | 2240 } |
2241 | 2241 |
2242 if (patched) { | 2242 if (patched) { |
2243 CPU::FlushICache(pc+2, sizeof(Address)); | 2243 CPU::FlushICache(pc+2, sizeof(Address)); |
2244 } | 2244 } |
2245 } | 2245 } |
2246 | 2246 |
2247 } } // namespace v8::internal | 2247 } } // namespace v8::internal |
2248 | 2248 |
2249 #endif // V8_TARGET_ARCH_MIPS | 2249 #endif // V8_TARGET_ARCH_MIPS |
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