[x64] add Absps/d and Negps/d macro

src/assembler.cc

Index: src/assembler.cc
diff --git a/src/assembler.cc b/src/assembler.cc
index 50c12203ca54021041390dab117ba88e4d72207c..9b1753e31ee0104cd8527a165be049263a770eee 100644
--- a/src/assembler.cc
+++ b/src/assembler.cc
@@ -126,6 +126,32 @@ double uint32_bias;
 
 static DoubleConstant double_constants;
 
+static struct V8_ALIGNED(16) {
+  uint32_t a;
+  uint32_t b;
+  uint32_t c;
+  uint32_t d;
+} float_absolute_constant = {0x7FFFFFFF, 0x7FFFFFFF, 0x7FFFFFFF, 0x7FFFFFFF};
+
+static struct V8_ALIGNED(16) {
+  uint32_t a;
+  uint32_t b;
+  uint32_t c;
+  uint32_t d;
+} float_negate_constant = {0x80000000, 0x80000000, 0x80000000, 0x80000000};
+
+static struct V8_ALIGNED(16) {
+  uint64_t a;
+  uint64_t b;
+} double_absolute_constant = {V8_UINT64_C(0x7FFFFFFFFFFFFFFF),
+                              V8_UINT64_C(0x7FFFFFFFFFFFFFFF)};
+
+static struct V8_ALIGNED(16) {
+  uint64_t a;
+  uint64_t b;
+} double_negate_constant = {V8_UINT64_C(0x8000000000000000),
+                            V8_UINT64_C(0x8000000000000000)};
+
 const char* const RelocInfo::kFillerCommentString = "DEOPTIMIZATION PADDING";
 
 // -----------------------------------------------------------------------------
@@ -1312,6 +1338,26 @@ ExternalReference ExternalReference::address_of_uint32_bias() {
 }
 
 
+ExternalReference ExternalReference::address_of_float_abs_constant() {
+  return ExternalReference(reinterpret_cast<void*>(&float_absolute_constant));
+}
+
+
+ExternalReference ExternalReference::address_of_float_neg_constant() {
+  return ExternalReference(reinterpret_cast<void*>(&float_negate_constant));
+}
+
+
+ExternalReference ExternalReference::address_of_double_abs_constant() {
+  return ExternalReference(reinterpret_cast<void*>(&double_absolute_constant));
+}
+
+
+ExternalReference ExternalReference::address_of_double_neg_constant() {
+  return ExternalReference(reinterpret_cast<void*>(&double_negate_constant));
+}
+
+
 ExternalReference ExternalReference::is_profiling_address(Isolate* isolate) {
   return ExternalReference(isolate->is_profiling_address());
 }