From 12f1b99775bbf7dd82d0a897587ab6ed0e75ee22 Mon Sep 17 00:00:00 2001
From: Mathieu Chartier <mathieuc@google.com>
Date: Thu, 19 Jan 2017 18:00:45 -0800
Subject: Remove alignment bits in between stack maps

Saves 0.65% of boot.oat size, probably similar on apps. Added
BitMemoryRegion to avoid requiring adding state to StackMap. Added
test to memory_region_test.

Test: clean-oat-host && test-art-host

Bug: 34621054

Change-Id: I40279c59e262bd5e3c6a9135f83e22b5b6900d68
---
 runtime/quick_exception_handler.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'runtime/quick_exception_handler.cc')

diff --git a/runtime/quick_exception_handler.cc b/runtime/quick_exception_handler.cc
index b809c3eb56..8d758a4a4b 100644
--- a/runtime/quick_exception_handler.cc
+++ b/runtime/quick_exception_handler.cc
@@ -438,7 +438,7 @@ class DeoptimizeStackVisitor FINAL : public StackVisitor {
           const uint8_t* addr = reinterpret_cast<const uint8_t*>(GetCurrentQuickFrame()) + offset;
           value = *reinterpret_cast<const uint32_t*>(addr);
           uint32_t bit = (offset >> 2);
-          if (stack_map.GetNumberOfStackMaskBits(encoding.stack_map_encoding) > bit &&
+          if (code_info.GetNumberOfStackMaskBits(encoding) > bit &&
               stack_map.GetStackMaskBit(encoding.stack_map_encoding, bit)) {
             is_reference = true;
           }
-- 
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