Experimental implementation: Exposing SIMD instructions into JavaScript

src/macros.py

Index: src/macros.py
diff --git a/src/macros.py b/src/macros.py
index 7bad23bd425369f9452fe33c90d86f31bdc14a49..464d3c7396637595d13cfcd845f8e065a636cf0d 100644
--- a/src/macros.py
+++ b/src/macros.py
@@ -99,6 +99,8 @@ macro IS_NULL(arg)              = (arg === null);
 macro IS_NULL_OR_UNDEFINED(arg) = (arg == null);
 macro IS_UNDEFINED(arg)         = (typeof(arg) === 'undefined');
 macro IS_NUMBER(arg)            = (typeof(arg) === 'number');
+macro IS_FLOAT32x4(arg)         = (typeof(arg) === 'float32x4');
+macro IS_INT32x4(arg)          = (typeof(arg) === 'int32x4');
 macro IS_STRING(arg)            = (typeof(arg) === 'string');
 macro IS_BOOLEAN(arg)           = (typeof(arg) === 'boolean');
 macro IS_SYMBOL(arg)            = (typeof(arg) === 'symbol');
@@ -112,6 +114,8 @@ macro IS_WEAKMAP(arg)           = (%_ClassOf(arg) === 'WeakMap');
 macro IS_WEAKSET(arg)           = (%_ClassOf(arg) === 'WeakSet');
 macro IS_DATE(arg)              = (%_ClassOf(arg) === 'Date');
 macro IS_NUMBER_WRAPPER(arg)    = (%_ClassOf(arg) === 'Number');
+macro IS_FLOAT32x4_WRAPPER(arg) = (%_ClassOf(arg) === 'float32x4');
+macro IS_INT32x4_WRAPPER(arg)  = (%_ClassOf(arg) === 'int32x4');
 macro IS_STRING_WRAPPER(arg)    = (%_ClassOf(arg) === 'String');
 macro IS_SYMBOL_WRAPPER(arg)    = (%_ClassOf(arg) === 'Symbol');
 macro IS_BOOLEAN_WRAPPER(arg)   = (%_ClassOf(arg) === 'Boolean');
@@ -156,6 +160,8 @@ macro TO_STRING_INLINE(arg) = (IS_STRING(%IS_VAR(arg)) ? arg : NonStringToString
 macro TO_NUMBER_INLINE(arg) = (IS_NUMBER(%IS_VAR(arg)) ? arg : NonNumberToNumber(arg));
 macro TO_OBJECT_INLINE(arg) = (IS_SPEC_OBJECT(%IS_VAR(arg)) ? arg : ToObject(arg));
 macro JSON_NUMBER_TO_STRING(arg) = ((%_IsSmi(%IS_VAR(arg)) || arg - arg == 0) ? %_NumberToString(arg) : "null");
+macro TO_FLOAT32x4(arg) = (IS_FLOAT32x4_WRAPPER(%IS_VAR(arg))) ? %_ValueOf(arg) : arg;
+macro TO_INT32x4(arg) = (IS_INT32x4_WRAPPER(%IS_VAR(arg))) ? %_ValueOf(arg) : arg;
 
 # Private names.
 macro NEW_PRIVATE(name) = (%CreatePrivateSymbol(name));
@@ -260,3 +266,7 @@ const COMPILATION_TYPE_JSON = 2;
 
 # Matches Messages::kNoLineNumberInfo from v8.h
 const kNoLineNumberInfo = 0;
+
+# For simd128.js
+macro CHECK_FLOAT32x4(arg) = if (typeof(arg) !== 'float32x4') ThrowFloat32x4TypeError();
+macro CHECK_INT32x4(arg) = if (typeof(arg) !== 'int32x4') ThrowInt32x4TypeError();