Heuristically detecting ret - probably breaks some things.

2014-01-26 01:09:25 -08:00
parent c74f35552a
commit 8789fd4134
8 changed files with 135 additions and 34 deletions
--- a/src/alloy/backend/x64/lowering/lowering_sequences.cc
+++ b/src/alloy/backend/x64/lowering/lowering_sequences.cc
@@ -308,6 +308,17 @@ void alloy::backend::x64::lowering::RegisterSequences(LoweringTable* table) {
    return true;
  });

+  table->AddSequence(OPCODE_RETURN_TRUE, [](X64Emitter& e, Instr*& i) {
+    e.inLocalLabel();
+    CheckBoolean(e, i->src1.value);
+    e.jne(".x", e.T_SHORT);
+    e.ret();
+    e.L(".x");
+    e.outLocalLabel();
+    i = e.Advance(i);
+    return true;
+  });
+
  table->AddSequence(OPCODE_SET_RETURN_ADDRESS, [](X64Emitter& e, Instr*& i) {
    //UNIMPLEMENTED_SEQ();
    i = e.Advance(i);