Trying out a new style of JIT pattern matching.

2014-05-26 20:28:21 -07:00
parent a001714fb0
commit 5a85263e5f
38 changed files with 6403 additions and 5160 deletions
--- a/src/alloy/compiler/passes/constant_propagation_pass.cc
+++ b/src/alloy/compiler/passes/constant_propagation_pass.cc
@@ -368,6 +368,13 @@ int ConstantPropagationPass::Run(HIRBuilder* builder) {
          i->Remove();
        }
        break;
+      case OPCODE_CNTLZ:
+        if (i->src1.value->IsConstant()) {
+          v->set_zero(v->type);
+          v->CountLeadingZeros(i->src1.value->constant);
+          i->Remove();
+        }
+        break;
      // TODO(benvanik): INSERT/EXTRACT
      // TODO(benvanik): SPLAT/PERMUTE/SWIZZLE
      case OPCODE_SPLAT: