commit 961ea1286f670a9ac9fc673308a9cf56137acb95
author Vladimir Marko <vmarko@google.com> Thu Aug 11 14:16:57 2016 +0100
committer Vladimir Marko <vmarko@google.com> Thu Aug 11 14:17:21 2016 +0100
tree e4158b237c7527d18be3e9fbf5bac322df935aee
parent 33699c9529add1c1ec4bb5dcb0807942709de224

x86/x86-64: Shorter fast-path for read barrier field load.

Test: Tested with ART_USE_READ_BARRIER=true on host.
Bug: 29966877
Bug: 12687968
Change-Id: I73359495910dacb2cc28f1a21ef9e610bab5a476

compiler/utils/x86/constants_x86.h

diff --git a/compiler/utils/x86/constants_x86.h b/compiler/utils/x86/constants_x86.h
index 2dfb65c..0bc1560 100644
--- a/compiler/utils/x86/constants_x86.h
+++ b/compiler/utils/x86/constants_x86.h
@@ -97,6 +97,8 @@
   kNotZero      = kNotEqual,
   kNegative     = kSign,
   kPositive     = kNotSign,
+  kCarrySet     = kBelow,
+  kCarryClear   = kAboveEqual,
   kUnordered    = kParityEven
 };
 

compiler/utils/x86_64/constants_x86_64.h

diff --git a/compiler/utils/x86_64/constants_x86_64.h b/compiler/utils/x86_64/constants_x86_64.h
index 37db6b1..cc508a1 100644
--- a/compiler/utils/x86_64/constants_x86_64.h
+++ b/compiler/utils/x86_64/constants_x86_64.h
@@ -106,6 +106,8 @@
   kNotZero      = kNotEqual,
   kNegative     = kSign,
   kPositive     = kNotSign,
+  kCarrySet     = kBelow,
+  kCarryClear   = kAboveEqual,
   kUnordered    = kParityEven
 };