Faster implementation of Math.exp()

src/x64/assembler-x64.cc

Index: src/x64/assembler-x64.cc
diff --git a/src/x64/assembler-x64.cc b/src/x64/assembler-x64.cc
index d3e2a4f7215513d7046767478909e9dc46cbf11c..370cb02a36363346795643f23252d225c34bb7e6 100644
--- a/src/x64/assembler-x64.cc
+++ b/src/x64/assembler-x64.cc
@@ -2807,6 +2807,16 @@ void Assembler::addsd(XMMRegister dst, XMMRegister src) {
 }
 
 
+void Assembler::addsd(XMMRegister dst, const Operand& src) {
+  EnsureSpace ensure_space(this);
+  emit(0xF2);
+  emit_optional_rex_32(dst, src);
+  emit(0x0F);
+  emit(0x58);
+  emit_sse_operand(dst, src);
+}
+
+
 void Assembler::mulsd(XMMRegister dst, XMMRegister src) {
   EnsureSpace ensure_space(this);
   emit(0xF2);
@@ -2817,6 +2827,16 @@ void Assembler::mulsd(XMMRegister dst, XMMRegister src) {
 }
 
 
+void Assembler::mulsd(XMMRegister dst, const Operand& src) {
+  EnsureSpace ensure_space(this);
+  emit(0xF2);
+  emit_optional_rex_32(dst, src);
+  emit(0x0F);
+  emit(0x59);
+  emit_sse_operand(dst, src);
+}
+
+
 void Assembler::subsd(XMMRegister dst, XMMRegister src) {
   EnsureSpace ensure_space(this);
   emit(0xF2);