[simd.js] Add SIMD load functions for Phase 1.

src/harmony-simd.js

Index: src/harmony-simd.js
diff --git a/src/harmony-simd.js b/src/harmony-simd.js
index 3cc18c2e908d8301717128caa1698a89e6683edd..a7e2c23e3991b1325320af39140e585d43b684fe 100644
--- a/src/harmony-simd.js
+++ b/src/harmony-simd.js
@@ -195,6 +195,10 @@ function NAMEGreaterThanJS(a, b) {
 function NAMEGreaterThanOrEqualJS(a, b) {
   return %NAMEGreaterThanOrEqual(a, b);
 }
+
+function NAMELoadJS(tarray, index) {
+  return %NAMELoad(tarray, index);
+}
 endmacro
 
 SIMD_NUMERIC_TYPES(DECLARE_NUMERIC_FUNCTIONS)
@@ -260,6 +264,24 @@ endmacro
 
 SIMD_FROM_BITS_TYPES(DECLARE_FROM_BITS_FUNCTIONS)
 
+
+macro SIMD_LOADN_STOREN_TYPES(FUNCTION)
+FUNCTION(Float32x4, 1)
+FUNCTION(Float32x4, 2)
+FUNCTION(Float32x4, 3)
+FUNCTION(Int32x4, 1)
+FUNCTION(Int32x4, 2)
+FUNCTION(Int32x4, 3)
+endmacro
+
+macro DECLARE_LOADN_STOREN_FUNCTIONS(NAME, COUNT)
+function NAMELoadCOUNTJS(tarray, index) {
+  return %NAMELoadCOUNT(tarray, index);
+}
+endmacro
+
+SIMD_LOADN_STOREN_TYPES(DECLARE_LOADN_STOREN_FUNCTIONS)
+
 //-------------------------------------------------------------------
 
 function Float32x4Constructor(c0, c1, c2, c3) {
@@ -517,6 +539,10 @@ utils.InstallFunctions(GlobalFloat32x4, DONT_ENUM, [
   'fromInt32x4Bits', Float32x4FromInt32x4BitsJS,
   'fromInt16x8Bits', Float32x4FromInt16x8BitsJS,
   'fromInt8x16Bits', Float32x4FromInt8x16BitsJS,
+  'load', Float32x4LoadJS,
+  'load1', Float32x4Load1JS,
+  'load2', Float32x4Load2JS,
+  'load3', Float32x4Load3JS,
 ]);
 
 utils.InstallFunctions(GlobalInt32x4, DONT_ENUM, [
@@ -550,6 +576,10 @@ utils.InstallFunctions(GlobalInt32x4, DONT_ENUM, [
   'fromFloat32x4Bits', Int32x4FromFloat32x4BitsJS,
   'fromInt16x8Bits', Int32x4FromInt16x8BitsJS,
   'fromInt8x16Bits', Int32x4FromInt8x16BitsJS,
+  'load', Int32x4LoadJS,
+  'load1', Int32x4Load1JS,
+  'load2', Int32x4Load2JS,
+  'load3', Int32x4Load3JS,
 ]);
 
 utils.InstallFunctions(GlobalBool32x4, DONT_ENUM, [
@@ -600,6 +630,7 @@ utils.InstallFunctions(GlobalInt16x8, DONT_ENUM, [
   'fromFloat32x4Bits', Int16x8FromFloat32x4BitsJS,
   'fromInt32x4Bits', Int16x8FromInt32x4BitsJS,
   'fromInt8x16Bits', Int16x8FromInt8x16BitsJS,
+  'load', Int16x8LoadJS,
 ]);
 
 utils.InstallFunctions(GlobalBool16x8, DONT_ENUM, [
@@ -650,6 +681,7 @@ utils.InstallFunctions(GlobalInt8x16, DONT_ENUM, [
   'fromFloat32x4Bits', Int8x16FromFloat32x4BitsJS,
   'fromInt32x4Bits', Int8x16FromInt32x4BitsJS,
   'fromInt16x8Bits', Int8x16FromInt16x8BitsJS,
+  'load', Int8x16LoadJS,
 ]);
 
 utils.InstallFunctions(GlobalBool8x16, DONT_ENUM, [