MIPS: Added support for Loongson architectures.

src/mips/assembler-mips.cc

Index: src/mips/assembler-mips.cc
diff --git a/src/mips/assembler-mips.cc b/src/mips/assembler-mips.cc
index 9f803d9c1fe8f457ec97e12d2db7fc9d179a4d97..d0395394b2c344c1cbf9e1c16f5178595288e8ec 100644
--- a/src/mips/assembler-mips.cc
+++ b/src/mips/assembler-mips.cc
@@ -30,7 +30,7 @@
 
 // The original source code covered by the above license above has been
 // modified significantly by Google Inc.
-// Copyright 2011 the V8 project authors. All rights reserved.
+// Copyright 2012 the V8 project authors. All rights reserved.
 
 
 #include "v8.h"
@@ -1319,7 +1319,7 @@ void Assembler::srav(Register rd, Register rt, Register rs) {
 void Assembler::rotr(Register rd, Register rt, uint16_t sa) {
   // Should be called via MacroAssembler::Ror.
   ASSERT(rd.is_valid() && rt.is_valid() && is_uint5(sa));
-  ASSERT(mips32r2);
+  ASSERT(kArchVariant == kMips32r2);
   Instr instr = SPECIAL | (1 << kRsShift) | (rt.code() << kRtShift)
       | (rd.code() << kRdShift) | (sa << kSaShift) | SRL;
   emit(instr);
@@ -1329,7 +1329,7 @@ void Assembler::rotr(Register rd, Register rt, uint16_t sa) {
 void Assembler::rotrv(Register rd, Register rt, Register rs) {
   // Should be called via MacroAssembler::Ror.
   ASSERT(rd.is_valid() && rt.is_valid() && rs.is_valid() );
-  ASSERT(mips32r2);
+  ASSERT(kArchVariant == kMips32r2);
   Instr instr = SPECIAL | (rs.code() << kRsShift) | (rt.code() << kRtShift)
      | (rd.code() << kRdShift) | (1 << kSaShift) | SRLV;
   emit(instr);
@@ -1604,7 +1604,7 @@ void Assembler::clz(Register rd, Register rs) {
 void Assembler::ins_(Register rt, Register rs, uint16_t pos, uint16_t size) {
   // Should be called via MacroAssembler::Ins.
   // Ins instr has 'rt' field as dest, and two uint5: msb, lsb.
-  ASSERT(mips32r2);
+  ASSERT(kArchVariant == kMips32r2);
   GenInstrRegister(SPECIAL3, rs, rt, pos + size - 1, pos, INS);
 }
 
@@ -1612,7 +1612,7 @@ void Assembler::ins_(Register rt, Register rs, uint16_t pos, uint16_t size) {
 void Assembler::ext_(Register rt, Register rs, uint16_t pos, uint16_t size) {
   // Should be called via MacroAssembler::Ext.
   // Ext instr has 'rt' field as dest, and two uint5: msb, lsb.
-  ASSERT(mips32r2);
+  ASSERT(kArchVariant == kMips32r2);
   GenInstrRegister(SPECIAL3, rs, rt, size - 1, pos, EXT);
 }
 
@@ -1772,25 +1772,25 @@ void Assembler::ceil_w_d(FPURegister fd, FPURegister fs) {
 
 
 void Assembler::cvt_l_s(FPURegister fd, FPURegister fs) {
-  ASSERT(mips32r2);
+  ASSERT(kArchVariant == kMips32r2);
   GenInstrRegister(COP1, S, f0, fs, fd, CVT_L_S);
 }
 
 
 void Assembler::cvt_l_d(FPURegister fd, FPURegister fs) {
-  ASSERT(mips32r2);
+  ASSERT(kArchVariant == kMips32r2);
   GenInstrRegister(COP1, D, f0, fs, fd, CVT_L_D);
 }
 
 
 void Assembler::trunc_l_s(FPURegister fd, FPURegister fs) {
-  ASSERT(mips32r2);
+  ASSERT(kArchVariant == kMips32r2);
   GenInstrRegister(COP1, S, f0, fs, fd, TRUNC_L_S);
 }
 
 
 void Assembler::trunc_l_d(FPURegister fd, FPURegister fs) {
-  ASSERT(mips32r2);
+  ASSERT(kArchVariant == kMips32r2);
   GenInstrRegister(COP1, D, f0, fs, fd, TRUNC_L_D);
 }
 
@@ -1831,7 +1831,7 @@ void Assembler::cvt_s_w(FPURegister fd, FPURegister fs) {
 
 
 void Assembler::cvt_s_l(FPURegister fd, FPURegister fs) {
-  ASSERT(mips32r2);
+  ASSERT(kArchVariant == kMips32r2);
   GenInstrRegister(COP1, L, f0, fs, fd, CVT_S_L);
 }
 
@@ -1847,7 +1847,7 @@ void Assembler::cvt_d_w(FPURegister fd, FPURegister fs) {
 
 
 void Assembler::cvt_d_l(FPURegister fd, FPURegister fs) {
-  ASSERT(mips32r2);
+  ASSERT(kArchVariant == kMips32r2);
   GenInstrRegister(COP1, L, f0, fs, fd, CVT_D_L);
 }