commit 4e92c3ce7ef354620a785553bbada554fca83a67
author Nicolas Geoffray <ngeoffray@google.com> Mon May 08 09:34:26 2017 +0100
committer Nicolas Geoffray <ngeoffray@google.com> Wed May 10 09:27:33 2017 +0100
tree 42029deff4d3ba7f89b5fdbf79ff410da575f431
parent 549844e9ccf432d1396b19af890eedb602b8ba04

Add runtime reasons for deopt.

Currently to help investigate. Also:
1) Log when deoptimization happens (which method and what reason)
2) Trace when deoptimization happens (to make it visible in systrace)

bug:37655083
Test: test-art-host test-art-target
Change-Id: I0c2d87b40db09e8e475cf97a7c784a034c585e97

runtime/arch/mips/quick_entrypoints_mips.S

diff --git a/runtime/arch/mips/quick_entrypoints_mips.S b/runtime/arch/mips/quick_entrypoints_mips.S
index 7bbcbf0..e628a9f 100644
--- a/runtime/arch/mips/quick_entrypoints_mips.S
+++ b/runtime/arch/mips/quick_entrypoints_mips.S
@@ -1978,8 +1978,7 @@
 ENTRY art_quick_deoptimize
     SETUP_SAVE_ALL_CALLEE_SAVES_FRAME
     la       $t9, artDeoptimize
-    jalr     $t9            # artDeoptimize(Thread*)
-                            # Returns caller method's frame size.
+    jalr     $t9            # (Thread*)
     move     $a0, rSELF     # pass Thread::current
 END art_quick_deoptimize
 
@@ -1991,9 +1990,8 @@
 ENTRY art_quick_deoptimize_from_compiled_code
     SETUP_SAVE_EVERYTHING_FRAME
     la       $t9, artDeoptimizeFromCompiledCode
-    jalr     $t9                            # artDeoptimizeFromCompiledCode(Thread*)
-                                            # Returns caller method's frame size.
-    move     $a0, rSELF                     # pass Thread::current
+    jalr     $t9                            # (DeoptimizationKind, Thread*)
+    move     $a1, rSELF                     # pass Thread::current
 END art_quick_deoptimize_from_compiled_code
 
     /*