commit 4289456fa265b833434c2a8eee9e7a16da31c524
author Mingyao Yang <mingyao@google.com> Mon Apr 07 12:42:16 2014 -0700
committer Mingyao Yang <mingyao@google.com> Mon Apr 07 13:49:40 2014 -0700
tree 56aa57f5d8cd4621c0b3d48c6825632966995765
parent b7a691f6398c55dacb3531d921e8cb298c3c8b8d

Use LIRSlowPath for throwing div by zero exception.

Get rid of launchpads for throwing div by zero exception and
use LIRSlowPath instead. Add a CallRuntimeHelper that takes no
argument for the runtime function.

Bug: 13170824
Change-Id: I7e0563e736c6f92bd63e3fbdfe3a777ad333e338

compiler/dex/quick/mir_to_lir.h

diff --git a/compiler/dex/quick/mir_to_lir.h b/compiler/dex/quick/mir_to_lir.h
index 35f948e..6dbeb34 100644
--- a/compiler/dex/quick/mir_to_lir.h
+++ b/compiler/dex/quick/mir_to_lir.h
@@ -562,7 +562,8 @@
     void HandleThrowLaunchPads();
     void HandleSlowPaths();
     void GenBarrier();
-    LIR* GenCheck(ConditionCode c_code, ThrowKind kind);
+    void AddDivZeroSlowPath(ConditionCode c_code);
+    void AddDivZeroSlowPath(ConditionCode c_code, RegStorage reg, int imm_val);
     void MarkPossibleNullPointerException(int opt_flags);
     void MarkPossibleStackOverflowException();
     void ForceImplicitNullCheck(RegStorage reg, int opt_flags);
@@ -619,6 +620,7 @@
     LIR* CallHelper(RegStorage r_tgt, ThreadOffset<4> helper_offset, bool safepoint_pc,
                     bool use_link = true);
     RegStorage CallHelperSetup(ThreadOffset<4> helper_offset);
+    void CallRuntimeHelper(ThreadOffset<4> helper_offset, bool safepoint_pc);
     void CallRuntimeHelperImm(ThreadOffset<4> helper_offset, int arg0, bool safepoint_pc);
     void CallRuntimeHelperReg(ThreadOffset<4> helper_offset, RegStorage arg0, bool safepoint_pc);
     void CallRuntimeHelperRegLocation(ThreadOffset<4> helper_offset, RegLocation arg0,
@@ -1220,6 +1222,7 @@
      */
     bool GenSpecialIdentity(MIR* mir, const InlineMethod& special);
 
+    void AddDivZeroCheckSlowPath(LIR* branch);
 
   public:
     // TODO: add accessors for these.