Impelemnts some FPU arithmetic function for the MIPS simulator, assembler, disassembler.

runtime/vm/assembler_mips_test.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"
 #if defined(TARGET_ARCH_MIPS)
 
 #include "vm/assembler.h"
 #include "vm/os.h"
 #include "vm/unit_test.h"
@@ skipping 1264 matching lines @@
 
 
 ASSEMBLER_TEST_RUN(Addd_Inf, test) {
   typedef double (*SimpleCode)();
   EXPECT(test != NULL);
   double res = EXECUTE_TEST_CODE_DOUBLE(SimpleCode, test->entry());
   EXPECT_EQ(isfinite(res), false);
 }
 
 
+ASSEMBLER_TEST_GENERATE(Subd, assembler) {
+  __ LoadImmediate(F0, 2.5);
+  __ LoadImmediate(F2, 1.5);
+  __ subd(F4, F0, F2);
+  __ mfc1(V0, F4);
+  __ mfc1(V1, F5);
+  __ Ret();
+}
+
+
+ASSEMBLER_TEST_RUN(Subd, test) {
+  typedef double (*SimpleCode)();
+  EXPECT(test != NULL);
+  double res = EXECUTE_TEST_CODE_DOUBLE(SimpleCode, test->entry());
+  EXPECT_FLOAT_EQ(1.0, res, 0.001);
+}
+
+
+ASSEMBLER_TEST_GENERATE(Muld, assembler) {
+  __ LoadImmediate(F0, 6.0);
+  __ LoadImmediate(F2, 7.0);
+  __ muld(F4, F0, F2);
+  __ mfc1(V0, F4);
+  __ mfc1(V1, F5);
+  __ Ret();
+}
+
+
+ASSEMBLER_TEST_RUN(Muld, test) {
+  typedef double (*SimpleCode)();
+  EXPECT(test != NULL);
+  double res = EXECUTE_TEST_CODE_DOUBLE(SimpleCode, test->entry());
+  EXPECT_FLOAT_EQ(42.0, res, 0.001);
+}
+
+
+ASSEMBLER_TEST_GENERATE(Divd, assembler) {
+  __ LoadImmediate(F0, 42.0);
+  __ LoadImmediate(F2, 7.0);
+  __ divd(F4, F0, F2);
+  __ mfc1(V0, F4);
+  __ mfc1(V1, F5);
+  __ Ret();
+}
+
+
+ASSEMBLER_TEST_RUN(Divd, test) {
+  typedef double (*SimpleCode)();
+  EXPECT(test != NULL);
+  double res = EXECUTE_TEST_CODE_DOUBLE(SimpleCode, test->entry());
+  EXPECT_FLOAT_EQ(6.0, res, 0.001);
+}
+
+
+ASSEMBLER_TEST_GENERATE(Sqrtd, assembler) {
+  __ LoadImmediate(F0, 36.0);
+  __ sqrtd(F4, F0);
+  __ mfc1(V0, F4);
+  __ mfc1(V1, F5);
+  __ Ret();
+}
+
+
+ASSEMBLER_TEST_RUN(Sqrtd, test) {
+  typedef double (*SimpleCode)();
+  EXPECT(test != NULL);
+  double res = EXECUTE_TEST_CODE_DOUBLE(SimpleCode, test->entry());
+  EXPECT_FLOAT_EQ(6.0, res, 0.001);
+}
+
+
 ASSEMBLER_TEST_GENERATE(Cop1CUN, assembler) {
   Label is_true;
 
   __ LoadImmediate(F0, 42.0);
   __ LoadImmediate(T0, 0x7FF80000);
   __ mtc1(ZR, F2);
   __ mtc1(T0, F3);
   __ LoadImmediate(V0, 42);
   __ cund(F0, F2);
   __ bc1t(&is_true);
@@ skipping 256 matching lines @@
 
 
 ASSEMBLER_TEST_RUN(Cop1CvtDL_neg, test) {
   typedef double (*SimpleCode)();
   EXPECT(test != NULL);
   double res = EXECUTE_TEST_CODE_DOUBLE(SimpleCode, test->entry());
   EXPECT_FLOAT_EQ(-1.0, res, 0.001);
 }
 
 
+ASSEMBLER_TEST_GENERATE(Cop1CvtWD, assembler) {
+  __ LoadImmediate(F0, 42.0);
+  __ cvtwd(F2, F0);
+  __ mfc1(V0, F2);
+  __ Ret();
+}
+
+
+ASSEMBLER_TEST_RUN(Cop1CvtWD, test) {
+  typedef double (*SimpleCode)();
+  EXPECT(test != NULL);
+  EXPECT_EQ(42, EXECUTE_TEST_CODE_INT32(SimpleCode, test->entry()));
+}
+
+
+ASSEMBLER_TEST_GENERATE(Cop1CvtWD_neg, assembler) {
+  __ LoadImmediate(F0, -42.0);
+  __ cvtwd(F2, F0);
+  __ mfc1(V0, F2);
+  __ Ret();
+}
+
+
+ASSEMBLER_TEST_RUN(Cop1CvtWD_neg, test) {
+  typedef double (*SimpleCode)();
+  EXPECT(test != NULL);
+  EXPECT_EQ(-42, EXECUTE_TEST_CODE_INT32(SimpleCode, test->entry()));
+}
+
+
 // Called from assembler_test.cc.
 // RA: return address.
 // A0: context.
 // A1: value.
 // A2: growable array.
 ASSEMBLER_TEST_GENERATE(StoreIntoObject, assembler) {
   __ addiu(SP, SP, Immediate(-2 * kWordSize));
   __ sw(CTX, Address(SP, 1 * kWordSize));
   __ sw(RA, Address(SP, 0 * kWordSize));
 
   __ mov(CTX, A0);
   __ StoreIntoObject(A2,
                      FieldAddress(A2, GrowableObjectArray::data_offset()),
                      A1);
   __ lw(RA, Address(SP, 0 * kWordSize));
   __ lw(CTX, Address(SP, 1 * kWordSize));
   __ addiu(SP, SP, Immediate(2 * kWordSize));
   __ Ret();
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_MIPS