MIPS: Added support for Loongson architectures.

test/cctest/test-assembler-mips.cc

Index: test/cctest/test-assembler-mips.cc
diff --git a/test/cctest/test-assembler-mips.cc b/test/cctest/test-assembler-mips.cc
index a6c76f03ed1340bdd30e7e2db0cf2245163b7caa..111951fd63a1d3ff25002f38b1fa2ca3fb43a308 100644
--- a/test/cctest/test-assembler-mips.cc
+++ b/test/cctest/test-assembler-mips.cc
@@ -219,21 +219,21 @@ TEST(MIPS2) {
 
   // Bit twiddling instructions & conditional moves.
   // Uses t0-t7 as set above.
-  __ clz(v0, t0);       // 29
-  __ clz(v1, t1);       // 19
+  __ Clz(v0, t0);       // 29
+  __ Clz(v1, t1);       // 19
   __ addu(v0, v0, v1);  // 48
-  __ clz(v1, t2);       // 3
+  __ Clz(v1, t2);       // 3
   __ addu(v0, v0, v1);  // 51
-  __ clz(v1, t7);       // 0
+  __ Clz(v1, t7);       // 0
   __ addu(v0, v0, v1);  // 51
   __ Branch(&error, ne, v0, Operand(51));
-  __ movn(a0, t3, t0);  // Move a0<-t3 (t0 is NOT 0).
+  __ Movn(a0, t3, t0);  // Move a0<-t3 (t0 is NOT 0).
   __ Ins(a0, t1, 12, 8);  // 0x7ff34fff
   __ Branch(&error, ne, a0, Operand(0x7ff34fff));
-  __ movz(a0, t6, t7);    // a0 not updated (t7 is NOT 0).
+  __ Movz(a0, t6, t7);    // a0 not updated (t7 is NOT 0).
   __ Ext(a1, a0, 8, 12);  // 0x34f
   __ Branch(&error, ne, a1, Operand(0x34f));
-  __ movz(a0, t6, v1);    // a0<-t6, v0 is 0, from 8 instr back.
+  __ Movz(a0, t6, v1);    // a0<-t6, v0 is 0, from 8 instr back.
   __ Branch(&error, ne, a0, Operand(t6));
 
   // Everything was correctly executed. Load the expected result.
@@ -579,8 +579,13 @@ TEST(MIPS7) {
 
     __ bind(&neither_is_nan);
 
-    __ c(OLT, D, f6, f4, 2);
-    __ bc1t(&less_than, 2);
+    if (arch_variant == loongson) {
+      __ c(OLT, D, f6, f4);
+      __ bc1t(&less_than);
+    } else {
+      __ c(OLT, D, f6, f4, 2);
+      __ bc1t(&less_than, 2);
+    }
     __ nop();
     __ sw(zero_reg, MemOperand(a0, OFFSET_OF(T, result)) );
     __ Branch(&outa_here);
@@ -774,7 +779,7 @@ TEST(MIPS10) {
   Assembler assm(Isolate::Current(), NULL, 0);
   Label L, C;
 
-  if (CpuFeatures::IsSupported(FPU) && mips32r2) {
+  if (CpuFeatures::IsSupported(FPU) && arch_variant == mips32r2) {
     CpuFeatures::Scope scope(FPU);
 
     // Load all structure elements to registers.