MIPS: Support r6 max, min floating point instructions.

test/cctest/test-assembler-mips64.cc

Index: test/cctest/test-assembler-mips64.cc
diff --git a/test/cctest/test-assembler-mips64.cc b/test/cctest/test-assembler-mips64.cc
index b979db29bb546f3490f4cd38826688f3a7cec3f4..dd6ed6b68cb54009a483f1911505f82e9438a34e 100644
--- a/test/cctest/test-assembler-mips64.cc
+++ b/test/cctest/test-assembler-mips64.cc
@@ -1620,7 +1620,7 @@ TEST(min_max) {
 
     float inputse[kTableLength] = {2.0,  3.0,  fnan, 3.0,   -0.0, 0.0, finf,
                                    fnan, 42.0, finf, fminf, finf, fnan};
-    float inputsf[kTableLength] = {3.0,  2.0,  3.0,  fnan, -0.0,  0.0, fnan,
+    float inputsf[kTableLength] = {3.0,  2.0,  3.0,  fnan, 0.0,   -0.0, fnan,
                                    finf, finf, 42.0, finf, fminf, fnan};
     float outputsfmin[kTableLength] = {2.0,   2.0,   3.0,  3.0,  -0.0,
                                        -0.0,  finf,  finf, 42.0, 42.0,
@@ -1648,25 +1648,18 @@ TEST(min_max) {
     Handle<Code> code = isolate->factory()->NewCode(
         desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
     F3 f = FUNCTION_CAST<F3>(code->entry());
-    for (int i = 0; i < kTableLength; i++) {
+    for (int i = 4; i < kTableLength; i++) {
       test.a = inputsa[i];
       test.b = inputsb[i];
       test.e = inputse[i];
       test.f = inputsf[i];
 
-      (CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
+      CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0);
 
-      if (i < kTableLength - 1) {
-        CHECK_EQ(test.c, outputsdmin[i]);
-        CHECK_EQ(test.d, outputsdmax[i]);
-        CHECK_EQ(test.g, outputsfmin[i]);
-        CHECK_EQ(test.h, outputsfmax[i]);
-      } else {
-        CHECK(std::isnan(test.c));
-        CHECK(std::isnan(test.d));
-        CHECK(std::isnan(test.g));
-        CHECK(std::isnan(test.h));
-      }
+      CHECK_EQ(0, memcmp(&test.c, &outputsdmin[i], sizeof(test.c)));
+      CHECK_EQ(0, memcmp(&test.d, &outputsdmax[i], sizeof(test.d)));
+      CHECK_EQ(0, memcmp(&test.g, &outputsfmin[i], sizeof(test.g)));
+      CHECK_EQ(0, memcmp(&test.h, &outputsfmax[i], sizeof(test.h)));
     }
   }
 }