commit 7a48b09317f6aab0f30c165ded359e80f060f3da
author Logan Chien <loganchien@google.com> Tue Dec 27 18:07:45 2011 +0800
committer Shih-wei Liao <sliao@google.com> Thu Feb 16 18:04:50 2012 -0800
tree c9417bd32106301336dac66ea2698db8d6bf518a
parent a004aa933a58428489e42d77f707c2b063b73747

Implement floating-point negation.

Change-Id: I01620d6fd35983cd4e5003b03e64764d0baa4227

src/compiler_llvm/method_compiler.cc

diff --git a/src/compiler_llvm/method_compiler.cc b/src/compiler_llvm/method_compiler.cc
index bd1bd67..e1ebea3 100644
--- a/src/compiler_llvm/method_compiler.cc
+++ b/src/compiler_llvm/method_compiler.cc
@@ -1757,7 +1757,15 @@
 void MethodCompiler::EmitInsn_FNeg(uint32_t dex_pc,
                                    Instruction const* insn,
                                    JType op_jty) {
-  // UNIMPLEMENTED(WARNING);
+
+  Instruction::DecodedInstruction dec_insn(insn);
+
+  DCHECK(op_jty == kFloat || op_jty == kDouble) << op_jty;
+
+  llvm::Value* src_value = EmitLoadDalvikReg(dec_insn.vB_, op_jty, kAccurate);
+  llvm::Value* result_value = irb_.CreateFNeg(src_value);
+  EmitStoreDalvikReg(dec_insn.vA_, op_jty, kAccurate, result_value);
+
   irb_.CreateBr(GetNextBasicBlock(dex_pc));
 }