commit dd121f637509a50d6744a0ad596f5dc627e0c60a
author Shalini Salomi Bodapati <shalini.salomi.bodapati@intel.com> Fri Oct 26 15:03:53 2018 +0530
committer Shalini Salomi Bodapati <shalini.salomi.bodapati@intel.com> Thu Nov 08 14:50:29 2018 +0530
tree 1e20c636cd40a5a87cae1cd0d0b55940c8111a20
parent fe59955fc41e277bf1c60378202ba785abb1e4a8

Emit bit manipulation instructions for x86 and x86_64

This patch performs instruction simplification to
generate instructions andn, blsmsk and blsr on
cpus that have avx2.

Test: test.py --host --64, test-art-host-gtest
Change-Id: Ie41a1b99ac2980f1e9f6a831a7d639bc3e248f0f
Signed-off-by: Shalini Salomi Bodapati <shalini.salomi.bodapati@intel.com>

compiler/optimizing/nodes.h

diff --git a/compiler/optimizing/nodes.h b/compiler/optimizing/nodes.h
index 2124380..6108522 100644
--- a/compiler/optimizing/nodes.h
+++ b/compiler/optimizing/nodes.h
@@ -1497,6 +1497,14 @@
   M(X86PackedSwitch, Instruction)
 #endif
 
+#if defined(ART_ENABLE_CODEGEN_x86) || defined(ART_ENABLE_CODEGEN_x86_64)
+#define FOR_EACH_CONCRETE_INSTRUCTION_X86_COMMON(M)                     \
+  M(X86AndNot, Instruction)                                                \
+  M(X86MaskOrResetLeastSetBit, Instruction)
+#else
+#define FOR_EACH_CONCRETE_INSTRUCTION_X86_COMMON(M)
+#endif
+
 #define FOR_EACH_CONCRETE_INSTRUCTION_X86_64(M)
 
 #define FOR_EACH_CONCRETE_INSTRUCTION(M)                                \
@@ -1507,7 +1515,8 @@
   FOR_EACH_CONCRETE_INSTRUCTION_MIPS(M)                                 \
   FOR_EACH_CONCRETE_INSTRUCTION_MIPS64(M)                               \
   FOR_EACH_CONCRETE_INSTRUCTION_X86(M)                                  \
-  FOR_EACH_CONCRETE_INSTRUCTION_X86_64(M)
+  FOR_EACH_CONCRETE_INSTRUCTION_X86_64(M)                               \
+  FOR_EACH_CONCRETE_INSTRUCTION_X86_COMMON(M)
 
 #define FOR_EACH_ABSTRACT_INSTRUCTION(M)                                \
   M(Condition, BinaryOperation)                                         \
@@ -7766,7 +7775,7 @@
 #ifdef ART_ENABLE_CODEGEN_mips
 #include "nodes_mips.h"
 #endif
-#ifdef ART_ENABLE_CODEGEN_x86
+#if defined(ART_ENABLE_CODEGEN_x86) || defined(ART_ENABLE_CODEGEN_x86_64)
 #include "nodes_x86.h"
 #endif