commit 17a5766bdb409b723da4871766d5d471cffb1253
author Logan Chien <loganchien@google.com> Tue Dec 27 18:05:14 2011 +0800
committer Shih-wei Liao <sliao@google.com> Thu Feb 16 13:56:16 2012 -0800
tree 6557733382a5b19da07c499fc5c0a95bab6255e3
parent 61752ad84bfbafe594d0a985e6db8d5970a9275c

Implement integer truncation.

Change-Id: I42209fa5b6d97a9a2abfb7c0832dc075ad2f9009

src/compiler_llvm/method_compiler.cc

diff --git a/src/compiler_llvm/method_compiler.cc b/src/compiler_llvm/method_compiler.cc
index 56d9166..6ca7e69 100644
--- a/src/compiler_llvm/method_compiler.cc
+++ b/src/compiler_llvm/method_compiler.cc
@@ -1705,7 +1705,13 @@
 
 void MethodCompiler::EmitInsn_Trunc(uint32_t dex_pc,
                                     Instruction const* insn) {
-  // UNIMPLEMENTED(WARNING);
+
+  Instruction::DecodedInstruction dec_insn(insn);
+
+  llvm::Value* src_value = EmitLoadDalvikReg(dec_insn.vB_, kLong, kAccurate);
+  llvm::Value* result_value = irb_.CreateTrunc(src_value, irb_.getJIntTy());
+  EmitStoreDalvikReg(dec_insn.vA_, kInt, kAccurate, result_value);
+
   irb_.CreateBr(GetNextBasicBlock(dex_pc));
 }