__atomic funcs

1 files changed, 77 insertions, 0 deletions

diff --git a/src/library.js b/src/library.js
index b000c7f4..1d5a9140 100644
--- a/src/library.js
+++ b/src/library.js
@@ -4436,6 +4436,83 @@ LibraryManager.library = {
     return size <= 4 && (ptr&(size-1)) == 0;
   },
 
+  __atomic_load_8: function(ptr, memmodel) {
+    {{{ makeStructuralReturn([makeGetValue('ptr', 0, 'i32'), makeGetValue('ptr', 4, 'i32')]) }}};
+  },
+
+  __atomic_store_8: function(ptr, vall, valh, memmodel) {
+    {{{ makeSetValue('ptr', 0, 'vall', 'i32') }}};
+    {{{ makeSetValue('ptr', 4, 'valh', 'i32') }}};
+  },
+
+  __atomic_exchange_8: function(ptr, vall, valh, memmodel) {
+    var l = {{{ makeGetValue('ptr', 0, 'i32') }}};
+    var h = {{{ makeGetValue('ptr', 4, 'i32') }}};
+    {{{ makeSetValue('ptr', 0, 'vall', 'i32') }}};
+    {{{ makeSetValue('ptr', 4, 'valh', 'i32') }}};
+    {{{ makeStructuralReturn(['l', 'h']) }}};
+  },
+
+  __atomic_compare_exchange_8: function(ptr, expected, desiredl, desiredh, weak, success_memmodel, failure_memmodel) {
+    var pl = {{{ makeGetValue('ptr', 0, 'i32') }}};
+    var ph = {{{ makeGetValue('ptr', 4, 'i32') }}};
+    var el = {{{ makeGetValue('expected', 0, 'i32') }}};
+    var eh = {{{ makeGetValue('expected', 4, 'i32') }}};
+    if (pl === el && ph === eh) {
+      {{{ makeSetValue('ptr', 0, 'desiredl', 'i32') }}};
+      {{{ makeSetValue('ptr', 4, 'desiredh', 'i32') }}};
+      return 1;
+    } else {
+      {{{ makeSetValue('expected', 0, 'pl', 'i32') }}};
+      {{{ makeSetValue('expected', 4, 'ph', 'i32') }}};
+      return 0;
+    }
+  },
+
+  __atomic_fetch_add_8__deps: ['llvm_uadd_with_overflow_i64'],
+  __atomic_fetch_add_8: function(ptr, vall, valh, memmodel) {
+    var l = {{{ makeGetValue('ptr', 0, 'i32') }}};
+    var h = {{{ makeGetValue('ptr', 4, 'i32') }}};
+    {{{ makeSetValue('ptr', 0, '_llvm_uadd_with_overflow_i64(l, h, vall, valh)', 'i32') }}};
+    {{{ makeSetValue('ptr', 4, 'tempRet0', 'i32') }}};
+    {{{ makeStructuralReturn(['l', 'h']) }}};
+  },
+
+  __atomic_fetch_sub_8__deps: ['i64Subtract'],
+  __atomic_fetch_sub_8: function(ptr, vall, valh, memmodel) {
+    var l = {{{ makeGetValue('ptr', 0, 'i32') }}};
+    var h = {{{ makeGetValue('ptr', 4, 'i32') }}};
+    {{{ makeSetValue('ptr', 0, '_i64Subtract(l, h, vall, valh)', 'i32') }}};
+    {{{ makeSetValue('ptr', 4, 'tempRet0', 'i32') }}};
+    {{{ makeStructuralReturn(['l', 'h']) }}};
+  },
+
+  __atomic_fetch_and_8__deps: ['i64Subtract'],
+  __atomic_fetch_and_8: function(ptr, vall, valh, memmodel) {
+    var l = {{{ makeGetValue('ptr', 0, 'i32') }}};
+    var h = {{{ makeGetValue('ptr', 4, 'i32') }}};
+    {{{ makeSetValue('ptr', 0, 'l&vall', 'i32') }}};
+    {{{ makeSetValue('ptr', 4, 'h&valh', 'i32') }}};
+    {{{ makeStructuralReturn(['l', 'h']) }}};
+  },
+
+  __atomic_fetch_or_8: function(ptr, vall, valh, memmodel) {
+    var l = {{{ makeGetValue('ptr', 0, 'i32') }}};
+    var h = {{{ makeGetValue('ptr', 4, 'i32') }}};
+    {{{ makeSetValue('ptr', 0, 'l|vall', 'i32') }}};
+    {{{ makeSetValue('ptr', 4, 'h|valh', 'i32') }}};
+    {{{ makeStructuralReturn(['l', 'h']) }}};
+  },
+
+  __atomic_fetch_xor_8: function(ptr, vall, valh, memmodel) {
+    var l = {{{ makeGetValue('ptr', 0, 'i32') }}};
+    var h = {{{ makeGetValue('ptr', 4, 'i32') }}};
+    {{{ makeSetValue('ptr', 0, 'l^vall', 'i32') }}};
+    {{{ makeSetValue('ptr', 4, 'h^valh', 'i32') }}};
+    {{{ makeStructuralReturn(['l', 'h']) }}};
+  },
+
+
   // ==========================================================================
   // llvm-mono integration
   // ==========================================================================