Do not rely on actual NaN value for testing extractps.

BUG=cctest/test-assembler-ia32/AssemblerIa32Extractps, cctest/test-assembler-x64/AssemblerX64Extractps
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/26704004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@17218 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

test/cctest/test-assembler-ia32.cc

@@ -591,7 +591,10 @@ TEST(AssemblerIa32Extractps) {
 #endif
 
   F4 f = FUNCTION_CAST<F4>(Code::cast(code)->entry());
-  CHECK_EQ(0x7FF80000, f(OS::nan_value()));
+  uint64_t value1 = V8_2PART_UINT64_C(0x12345678, 87654321);
+  CHECK_EQ(0x12345678, f(uint64_to_double(value1)));
+  uint64_t value2 = V8_2PART_UINT64_C(0x87654321, 12345678);
+  CHECK_EQ(0x87654321, f(uint64_to_double(value2)));
 }
 
 

test/cctest/test-assembler-x64.cc

@@ -516,7 +516,10 @@ TEST(AssemblerX64Extractps) {
 #endif
 
   F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry());
-  CHECK_EQ(0x7FF80000, f(OS::nan_value()));
+  uint64_t value1 = V8_2PART_UINT64_C(0x12345678, 87654321);
+  CHECK_EQ(0x12345678, f(uint64_to_double(value1)));
+  uint64_t value2 = V8_2PART_UINT64_C(0x87654321, 12345678);
+  CHECK_EQ(0x87654321, f(uint64_to_double(value2)));
 }