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<title>[194635] trunk/Source/JavaScriptCore</title>
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<div id="msg">
<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/194635">194635</a></dd>
<dt>Author</dt> <dd>commit-queue@webkit.org</dd>
<dt>Date</dt> <dd>2016-01-06 02:43:00 -0800 (Wed, 06 Jan 2016)</dd>
</dl>
<h3>Log Message</h3>
<pre>[JSC] Get more of testb3 to pass on ARM64
https://bugs.webkit.org/show_bug.cgi?id=152737
Patch by Benjamin Poulain <bpoulain@apple.com> on 2016-01-06
Reviewed by Geoffrey Garen.
A bunch of minor bugs and missing function to make most of testb3
run on ARM64.
* JavaScriptCore.xcodeproj/project.pbxproj:
* assembler/ARM64Assembler.h:
(JSC::ARM64Assembler::canEncodePImmOffset):
(JSC::ARM64Assembler::canEncodeSImmOffset):
(JSC::isInt9): Deleted.
(JSC::isUInt12): Deleted.
* assembler/ARMv7Assembler.h:
* assembler/AssemblerCommon.h: Added.
(JSC::isInt9):
(JSC::isUInt12):
(JSC::isValidScaledUImm12):
(JSC::isValidSignedImm9):
* assembler/MacroAssemblerARM64.h:
(JSC::MacroAssemblerARM64::load16SignedExtendTo32):
(JSC::MacroAssemblerARM64::load8SignedExtendTo32):
(JSC::MacroAssemblerARM64::store16):
(JSC::MacroAssemblerARM64::absFloat):
(JSC::MacroAssemblerARM64::loadFloat):
(JSC::MacroAssemblerARM64::storeFloat):
(JSC::MacroAssemblerARM64::loadSignedAddressedByUnsignedImmediate):
(JSC::MacroAssemblerARM64::loadSignedAddressedByUnscaledImmediate):
(JSC::MacroAssemblerARM64::tryLoadSignedWithOffset):
(JSC::MacroAssemblerARM64::loadSignedAddressedByUnsignedImmediate<8>):
(JSC::MacroAssemblerARM64::loadSignedAddressedByUnsignedImmediate<16>):
(JSC::MacroAssemblerARM64::loadSignedAddressedByUnscaledImmediate<8>):
(JSC::MacroAssemblerARM64::loadSignedAddressedByUnscaledImmediate<16>):
* assembler/X86Assembler.h:
* b3/B3LowerToAir.cpp:
(JSC::B3::Air::LowerToAir::effectiveAddr):
(JSC::B3::Air::LowerToAir::lower):
* b3/air/AirArg.h:
(JSC::B3::Air::Arg::isValidImmForm):
(JSC::B3::Air::Arg::isValidAddrForm):
(JSC::B3::Air::Arg::isValidForm):
* b3/air/AirOpcode.opcodes:</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceJavaScriptCoreChangeLog">trunk/Source/JavaScriptCore/ChangeLog</a></li>
<li><a href="#trunkSourceJavaScriptCoreJavaScriptCorexcodeprojprojectpbxproj">trunk/Source/JavaScriptCore/JavaScriptCore.xcodeproj/project.pbxproj</a></li>
<li><a href="#trunkSourceJavaScriptCoreassemblerARM64Assemblerh">trunk/Source/JavaScriptCore/assembler/ARM64Assembler.h</a></li>
<li><a href="#trunkSourceJavaScriptCoreassemblerARMv7Assemblerh">trunk/Source/JavaScriptCore/assembler/ARMv7Assembler.h</a></li>
<li><a href="#trunkSourceJavaScriptCoreassemblerMacroAssemblerARM64h">trunk/Source/JavaScriptCore/assembler/MacroAssemblerARM64.h</a></li>
<li><a href="#trunkSourceJavaScriptCoreassemblerX86Assemblerh">trunk/Source/JavaScriptCore/assembler/X86Assembler.h</a></li>
<li><a href="#trunkSourceJavaScriptCoreb3B3LowerToAircpp">trunk/Source/JavaScriptCore/b3/B3LowerToAir.cpp</a></li>
<li><a href="#trunkSourceJavaScriptCoreb3airAirArgh">trunk/Source/JavaScriptCore/b3/air/AirArg.h</a></li>
<li><a href="#trunkSourceJavaScriptCoreb3airAirOpcodeopcodes">trunk/Source/JavaScriptCore/b3/air/AirOpcode.opcodes</a></li>
</ul>
<h3>Added Paths</h3>
<ul>
<li><a href="#trunkSourceJavaScriptCoreassemblerAssemblerCommonh">trunk/Source/JavaScriptCore/assembler/AssemblerCommon.h</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceJavaScriptCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/ChangeLog (194634 => 194635)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/ChangeLog 2016-01-06 10:15:14 UTC (rev 194634)
+++ trunk/Source/JavaScriptCore/ChangeLog 2016-01-06 10:43:00 UTC (rev 194635)
</span><span class="lines">@@ -1,3 +1,49 @@
</span><ins>+2016-01-06 Benjamin Poulain <bpoulain@apple.com>
+
+ [JSC] Get more of testb3 to pass on ARM64
+ https://bugs.webkit.org/show_bug.cgi?id=152737
+
+ Reviewed by Geoffrey Garen.
+
+ A bunch of minor bugs and missing function to make most of testb3
+ run on ARM64.
+
+ * JavaScriptCore.xcodeproj/project.pbxproj:
+ * assembler/ARM64Assembler.h:
+ (JSC::ARM64Assembler::canEncodePImmOffset):
+ (JSC::ARM64Assembler::canEncodeSImmOffset):
+ (JSC::isInt9): Deleted.
+ (JSC::isUInt12): Deleted.
+ * assembler/ARMv7Assembler.h:
+ * assembler/AssemblerCommon.h: Added.
+ (JSC::isInt9):
+ (JSC::isUInt12):
+ (JSC::isValidScaledUImm12):
+ (JSC::isValidSignedImm9):
+ * assembler/MacroAssemblerARM64.h:
+ (JSC::MacroAssemblerARM64::load16SignedExtendTo32):
+ (JSC::MacroAssemblerARM64::load8SignedExtendTo32):
+ (JSC::MacroAssemblerARM64::store16):
+ (JSC::MacroAssemblerARM64::absFloat):
+ (JSC::MacroAssemblerARM64::loadFloat):
+ (JSC::MacroAssemblerARM64::storeFloat):
+ (JSC::MacroAssemblerARM64::loadSignedAddressedByUnsignedImmediate):
+ (JSC::MacroAssemblerARM64::loadSignedAddressedByUnscaledImmediate):
+ (JSC::MacroAssemblerARM64::tryLoadSignedWithOffset):
+ (JSC::MacroAssemblerARM64::loadSignedAddressedByUnsignedImmediate<8>):
+ (JSC::MacroAssemblerARM64::loadSignedAddressedByUnsignedImmediate<16>):
+ (JSC::MacroAssemblerARM64::loadSignedAddressedByUnscaledImmediate<8>):
+ (JSC::MacroAssemblerARM64::loadSignedAddressedByUnscaledImmediate<16>):
+ * assembler/X86Assembler.h:
+ * b3/B3LowerToAir.cpp:
+ (JSC::B3::Air::LowerToAir::effectiveAddr):
+ (JSC::B3::Air::LowerToAir::lower):
+ * b3/air/AirArg.h:
+ (JSC::B3::Air::Arg::isValidImmForm):
+ (JSC::B3::Air::Arg::isValidAddrForm):
+ (JSC::B3::Air::Arg::isValidForm):
+ * b3/air/AirOpcode.opcodes:
+
</ins><span class="cx"> 2016-01-05 Zan Dobersek <zdobersek@igalia.com>
</span><span class="cx">
</span><span class="cx"> [CMake] Remove USE_UDIS86 variable
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreJavaScriptCorexcodeprojprojectpbxproj"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/JavaScriptCore.xcodeproj/project.pbxproj (194634 => 194635)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/JavaScriptCore.xcodeproj/project.pbxproj 2016-01-06 10:15:14 UTC (rev 194634)
+++ trunk/Source/JavaScriptCore/JavaScriptCore.xcodeproj/project.pbxproj 2016-01-06 10:43:00 UTC (rev 194635)
</span><span class="lines">@@ -1149,6 +1149,7 @@
</span><span class="cx"> 43422A671C16267800E2EB98 /* B3ReduceDoubleToFloat.h in Headers */ = {isa = PBXBuildFile; fileRef = 43422A651C16221E00E2EB98 /* B3ReduceDoubleToFloat.h */; };
</span><span class="cx"> 43AB26C61C1A535900D82AE6 /* B3MathExtras.h in Headers */ = {isa = PBXBuildFile; fileRef = 43AB26C51C1A52F700D82AE6 /* B3MathExtras.h */; };
</span><span class="cx"> 43AB26C71C1A535C00D82AE6 /* B3MathExtras.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 43AB26C41C1A52F700D82AE6 /* B3MathExtras.cpp */; };
</span><ins>+ 43C392AB1C3BEB0500241F53 /* AssemblerCommon.h in Headers */ = {isa = PBXBuildFile; fileRef = 43C392AA1C3BEB0000241F53 /* AssemblerCommon.h */; settings = {ATTRIBUTES = (Private, ); }; };
</ins><span class="cx"> 4443AE3316E188D90076F110 /* Foundation.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 51F0EB6105C86C6B00E6DF1B /* Foundation.framework */; };
</span><span class="cx"> 451539B912DC994500EF7AC4 /* Yarr.h in Headers */ = {isa = PBXBuildFile; fileRef = 451539B812DC994500EF7AC4 /* Yarr.h */; settings = {ATTRIBUTES = (Private, ); }; };
</span><span class="cx"> 52678F8E1A031009006A306D /* BasicBlockLocation.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 52678F8C1A031009006A306D /* BasicBlockLocation.cpp */; };
</span><span class="lines">@@ -2055,8 +2056,8 @@
</span><span class="cx"> FE7BA60F1A1A7CEC00F1F7B4 /* HeapVerifier.cpp in Sources */ = {isa = PBXBuildFile; fileRef = FE7BA60D1A1A7CEC00F1F7B4 /* HeapVerifier.cpp */; };
</span><span class="cx"> FE7BA6101A1A7CEC00F1F7B4 /* HeapVerifier.h in Headers */ = {isa = PBXBuildFile; fileRef = FE7BA60E1A1A7CEC00F1F7B4 /* HeapVerifier.h */; settings = {ATTRIBUTES = (Private, ); }; };
</span><span class="cx"> FE7C41961B97FC4B00F4D598 /* PingPongStackOverflowTest.cpp in Sources */ = {isa = PBXBuildFile; fileRef = FEDA50D41B97F442009A3B4F /* PingPongStackOverflowTest.cpp */; };
</span><del>- FE99B2491C24C3D300C82159 /* JITNegGenerator.h in Headers */ = {isa = PBXBuildFile; fileRef = FE99B2481C24B6D300C82159 /* JITNegGenerator.h */; settings = {ASSET_TAGS = (); }; };
- FE99B24A1C24C3D700C82159 /* JITNegGenerator.cpp in Sources */ = {isa = PBXBuildFile; fileRef = FE99B2471C24B6D300C82159 /* JITNegGenerator.cpp */; settings = {ASSET_TAGS = (); }; };
</del><ins>+ FE99B2491C24C3D300C82159 /* JITNegGenerator.h in Headers */ = {isa = PBXBuildFile; fileRef = FE99B2481C24B6D300C82159 /* JITNegGenerator.h */; };
+ FE99B24A1C24C3D700C82159 /* JITNegGenerator.cpp in Sources */ = {isa = PBXBuildFile; fileRef = FE99B2471C24B6D300C82159 /* JITNegGenerator.cpp */; };
</ins><span class="cx"> FEA08620182B7A0400F6D851 /* Breakpoint.h in Headers */ = {isa = PBXBuildFile; fileRef = FEA0861E182B7A0400F6D851 /* Breakpoint.h */; settings = {ATTRIBUTES = (Private, ); }; };
</span><span class="cx"> FEA08621182B7A0400F6D851 /* DebuggerPrimitives.h in Headers */ = {isa = PBXBuildFile; fileRef = FEA0861F182B7A0400F6D851 /* DebuggerPrimitives.h */; settings = {ATTRIBUTES = (Private, ); }; };
</span><span class="cx"> FEA1E4391C213A2B00277A16 /* ValueProfile.cpp in Sources */ = {isa = PBXBuildFile; fileRef = FEA1E4381C213A2600277A16 /* ValueProfile.cpp */; };
</span><span class="lines">@@ -3249,6 +3250,7 @@
</span><span class="cx"> 43422A651C16221E00E2EB98 /* B3ReduceDoubleToFloat.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = B3ReduceDoubleToFloat.h; path = b3/B3ReduceDoubleToFloat.h; sourceTree = "<group>"; };
</span><span class="cx"> 43AB26C41C1A52F700D82AE6 /* B3MathExtras.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = B3MathExtras.cpp; path = b3/B3MathExtras.cpp; sourceTree = "<group>"; };
</span><span class="cx"> 43AB26C51C1A52F700D82AE6 /* B3MathExtras.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = B3MathExtras.h; path = b3/B3MathExtras.h; sourceTree = "<group>"; };
</span><ins>+ 43C392AA1C3BEB0000241F53 /* AssemblerCommon.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = AssemblerCommon.h; sourceTree = "<group>"; };
</ins><span class="cx"> 449097EE0F8F81B50076A327 /* FeatureDefines.xcconfig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xcconfig; path = FeatureDefines.xcconfig; sourceTree = "<group>"; };
</span><span class="cx"> 451539B812DC994500EF7AC4 /* Yarr.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = Yarr.h; path = yarr/Yarr.h; sourceTree = "<group>"; };
</span><span class="cx"> 45E12D8806A49B0F00E9DF84 /* jsc.cpp */ = {isa = PBXFileReference; fileEncoding = 30; indentWidth = 4; lastKnownFileType = sourcecode.cpp.cpp; path = jsc.cpp; sourceTree = "<group>"; tabWidth = 4; };
</span><span class="lines">@@ -6382,6 +6384,7 @@
</span><span class="cx"> 86ADD1430FDDEA980006EEC2 /* ARMv7Assembler.h */,
</span><span class="cx"> 9688CB130ED12B4E001D649F /* AssemblerBuffer.h */,
</span><span class="cx"> 86D3B2C110156BDE002865E7 /* AssemblerBufferWithConstantPool.h */,
</span><ins>+ 43C392AA1C3BEB0000241F53 /* AssemblerCommon.h */,
</ins><span class="cx"> 86E116B00FE75AC800B512BC /* CodeLocation.h */,
</span><span class="cx"> 0F37308E1C0CD68500052BFA /* DisallowMacroScratchRegisterUsage.h */,
</span><span class="cx"> 0FF4275615914A20004CB9FF /* LinkBuffer.cpp */,
</span><span class="lines">@@ -7197,6 +7200,7 @@
</span><span class="cx"> 0FA581BC150E953000B9A2D9 /* DFGNodeType.h in Headers */,
</span><span class="cx"> 0F2B9CE719D0BA7D00B1D1B5 /* DFGObjectAllocationSinkingPhase.h in Headers */,
</span><span class="cx"> 0F2B9CE919D0BA7D00B1D1B5 /* DFGObjectMaterializationData.h in Headers */,
</span><ins>+ 43C392AB1C3BEB0500241F53 /* AssemblerCommon.h in Headers */,
</ins><span class="cx"> 86EC9DD01328DF82002B2AD7 /* DFGOperations.h in Headers */,
</span><span class="cx"> A7D89CFE17A0B8CC00773AD8 /* DFGOSRAvailabilityAnalysisPhase.h in Headers */,
</span><span class="cx"> 0FD82E57141DAF1000179C94 /* DFGOSREntry.h in Headers */,
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreassemblerARM64Assemblerh"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/assembler/ARM64Assembler.h (194634 => 194635)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/assembler/ARM64Assembler.h 2016-01-06 10:15:14 UTC (rev 194634)
+++ trunk/Source/JavaScriptCore/assembler/ARM64Assembler.h 2016-01-06 10:43:00 UTC (rev 194635)
</span><span class="lines">@@ -29,6 +29,7 @@
</span><span class="cx"> #if ENABLE(ASSEMBLER) && CPU(ARM64)
</span><span class="cx">
</span><span class="cx"> #include "AssemblerBuffer.h"
</span><ins>+#include "AssemblerCommon.h"
</ins><span class="cx"> #include <limits.h>
</span><span class="cx"> #include <wtf/Assertions.h>
</span><span class="cx"> #include <wtf/Vector.h>
</span><span class="lines">@@ -52,11 +53,6 @@
</span><span class="cx"> return value == ((value << 25) >> 25);
</span><span class="cx"> }
</span><span class="cx">
</span><del>-ALWAYS_INLINE bool isInt9(int32_t value)
-{
- return value == ((value << 23) >> 23);
-}
-
</del><span class="cx"> ALWAYS_INLINE bool isInt11(int32_t value)
</span><span class="cx"> {
</span><span class="cx"> return value == ((value << 21) >> 21);
</span><span class="lines">@@ -67,16 +63,6 @@
</span><span class="cx"> return !(value & ~0x1f);
</span><span class="cx"> }
</span><span class="cx">
</span><del>-ALWAYS_INLINE bool isUInt12(int32_t value)
-{
- return !(value & ~0xfff);
-}
-
-ALWAYS_INLINE bool isUInt12(intptr_t value)
-{
- return !(value & ~0xfffL);
-}
-
</del><span class="cx"> class UInt5 {
</span><span class="cx"> public:
</span><span class="cx"> explicit UInt5(int value)
</span><span class="lines">@@ -717,19 +703,12 @@
</span><span class="cx"> template<int datasize>
</span><span class="cx"> static bool canEncodePImmOffset(int32_t offset)
</span><span class="cx"> {
</span><del>- int32_t maxPImm = 4095 * (datasize / 8);
- if (offset < 0)
- return false;
- if (offset > maxPImm)
- return false;
- if (offset & ((datasize / 8 ) - 1))
- return false;
- return true;
</del><ins>+ return isValidScaledUImm12<datasize>(offset);
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> static bool canEncodeSImmOffset(int32_t offset)
</span><span class="cx"> {
</span><del>- return isInt9(offset);
</del><ins>+ return isValidSignedImm9(offset);
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> private:
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreassemblerARMv7Assemblerh"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/assembler/ARMv7Assembler.h (194634 => 194635)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/assembler/ARMv7Assembler.h 2016-01-06 10:15:14 UTC (rev 194634)
+++ trunk/Source/JavaScriptCore/assembler/ARMv7Assembler.h 2016-01-06 10:43:00 UTC (rev 194635)
</span><span class="lines">@@ -30,6 +30,7 @@
</span><span class="cx"> #if ENABLE(ASSEMBLER) && CPU(ARM_THUMB2)
</span><span class="cx">
</span><span class="cx"> #include "AssemblerBuffer.h"
</span><ins>+#include "AssemblerCommon.h"
</ins><span class="cx"> #include <limits.h>
</span><span class="cx"> #include <wtf/Assertions.h>
</span><span class="cx"> #include <wtf/Vector.h>
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreassemblerAssemblerCommonh"></a>
<div class="addfile"><h4>Added: trunk/Source/JavaScriptCore/assembler/AssemblerCommon.h (0 => 194635)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/assembler/AssemblerCommon.h (rev 0)
+++ trunk/Source/JavaScriptCore/assembler/AssemblerCommon.h 2016-01-06 10:43:00 UTC (rev 194635)
</span><span class="lines">@@ -0,0 +1,62 @@
</span><ins>+/*
+ * Copyright (C) 2012, 2014, 2016 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef AssemblerCommon_h
+#define AssemblerCommon_h
+
+namespace JSC {
+
+ALWAYS_INLINE bool isInt9(int32_t value)
+{
+ return value == ((value << 23) >> 23);
+}
+
+template<typename Type>
+ALWAYS_INLINE bool isUInt12(Type value)
+{
+ return !(value & ~static_cast<Type>(0xfff));
+}
+
+template<int datasize>
+ALWAYS_INLINE bool isValidScaledUImm12(int32_t offset)
+{
+ int32_t maxPImm = 4095 * (datasize / 8);
+ if (offset < 0)
+ return false;
+ if (offset > maxPImm)
+ return false;
+ if (offset & ((datasize / 8) - 1))
+ return false;
+ return true;
+}
+
+ALWAYS_INLINE bool isValidSignedImm9(int32_t value)
+{
+ return isInt9(value);
+}
+
+} // namespace JSC.
+
+#endif // AssemblerCommon_h
</ins></span></pre></div>
<a id="trunkSourceJavaScriptCoreassemblerMacroAssemblerARM64h"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/assembler/MacroAssemblerARM64.h (194634 => 194635)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/assembler/MacroAssemblerARM64.h 2016-01-06 10:15:14 UTC (rev 194634)
+++ trunk/Source/JavaScriptCore/assembler/MacroAssemblerARM64.h 2016-01-06 10:43:00 UTC (rev 194635)
</span><span class="lines">@@ -993,6 +993,15 @@
</span><span class="cx"> load16(address, dest);
</span><span class="cx"> }
</span><span class="cx">
</span><ins>+ void load16SignedExtendTo32(ImplicitAddress address, RegisterID dest)
+ {
+ if (tryLoadSignedWithOffset<16>(dest, address.base, address.offset))
+ return;
+
+ signExtend32ToPtr(TrustedImm32(address.offset), getCachedMemoryTempRegisterIDAndInvalidate());
+ m_assembler.ldrsh<32>(dest, address.base, memoryTempRegister);
+ }
+
</ins><span class="cx"> void load16SignedExtendTo32(BaseIndex address, RegisterID dest)
</span><span class="cx"> {
</span><span class="cx"> if (!address.offset && (!address.scale || address.scale == 1)) {
</span><span class="lines">@@ -1044,6 +1053,15 @@
</span><span class="cx"> m_cachedMemoryTempRegister.invalidate();
</span><span class="cx"> }
</span><span class="cx">
</span><ins>+ void load8SignedExtendTo32(ImplicitAddress address, RegisterID dest)
+ {
+ if (tryLoadSignedWithOffset<8>(dest, address.base, address.offset))
+ return;
+
+ signExtend32ToPtr(TrustedImm32(address.offset), getCachedMemoryTempRegisterIDAndInvalidate());
+ m_assembler.ldrsb<32>(dest, address.base, memoryTempRegister);
+ }
+
</ins><span class="cx"> void load8SignedExtendTo32(BaseIndex address, RegisterID dest)
</span><span class="cx"> {
</span><span class="cx"> if (!address.offset && !address.scale) {
</span><span class="lines">@@ -1194,6 +1212,15 @@
</span><span class="cx"> return label;
</span><span class="cx"> }
</span><span class="cx">
</span><ins>+ void store16(RegisterID src, ImplicitAddress address)
+ {
+ if (tryStoreWithOffset<16>(src, address.base, address.offset))
+ return;
+
+ signExtend32ToPtr(TrustedImm32(address.offset), getCachedMemoryTempRegisterIDAndInvalidate());
+ m_assembler.str<16>(src, address.base, memoryTempRegister);
+ }
+
</ins><span class="cx"> void store16(RegisterID src, BaseIndex address)
</span><span class="cx"> {
</span><span class="cx"> if (!address.offset && (!address.scale || address.scale == 1)) {
</span><span class="lines">@@ -1270,6 +1297,11 @@
</span><span class="cx"> m_assembler.fabs<64>(dest, src);
</span><span class="cx"> }
</span><span class="cx">
</span><ins>+ void absFloat(FPRegisterID src, FPRegisterID dest)
+ {
+ m_assembler.fabs<32>(dest, src);
+ }
+
</ins><span class="cx"> void addDouble(FPRegisterID src, FPRegisterID dest)
</span><span class="cx"> {
</span><span class="cx"> addDouble(dest, src, dest);
</span><span class="lines">@@ -1457,6 +1489,15 @@
</span><span class="cx"> m_assembler.ldr<64>(dest, memoryTempRegister, ARM64Registers::zr);
</span><span class="cx"> }
</span><span class="cx">
</span><ins>+ void loadFloat(ImplicitAddress address, FPRegisterID dest)
+ {
+ if (tryLoadWithOffset<32>(dest, address.base, address.offset))
+ return;
+
+ signExtend32ToPtr(TrustedImm32(address.offset), getCachedMemoryTempRegisterIDAndInvalidate());
+ m_assembler.ldr<32>(dest, address.base, memoryTempRegister);
+ }
+
</ins><span class="cx"> void loadFloat(BaseIndex address, FPRegisterID dest)
</span><span class="cx"> {
</span><span class="cx"> if (!address.offset && (!address.scale || address.scale == 2)) {
</span><span class="lines">@@ -1604,6 +1645,15 @@
</span><span class="cx"> m_assembler.add<64>(memoryTempRegister, memoryTempRegister, address.index, ARM64Assembler::UXTX, address.scale);
</span><span class="cx"> m_assembler.str<64>(src, address.base, memoryTempRegister);
</span><span class="cx"> }
</span><ins>+
+ void storeFloat(FPRegisterID src, ImplicitAddress address)
+ {
+ if (tryStoreWithOffset<32>(src, address.base, address.offset))
+ return;
+
+ signExtend32ToPtr(TrustedImm32(address.offset), getCachedMemoryTempRegisterIDAndInvalidate());
+ m_assembler.str<32>(src, address.base, memoryTempRegister);
+ }
</ins><span class="cx">
</span><span class="cx"> void storeFloat(FPRegisterID src, BaseIndex address)
</span><span class="cx"> {
</span><span class="lines">@@ -2890,6 +2940,18 @@
</span><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> template<int datasize>
</span><ins>+ ALWAYS_INLINE void loadSignedAddressedByUnsignedImmediate(RegisterID rt, RegisterID rn, unsigned pimm)
+ {
+ loadUnsignedImmediate<datasize>(rt, rn, pimm);
+ }
+
+ template<int datasize>
+ ALWAYS_INLINE void loadSignedAddressedByUnscaledImmediate(RegisterID rt, RegisterID rn, int simm)
+ {
+ loadUnscaledImmediate<datasize>(rt, rn, simm);
+ }
+
+ template<int datasize>
</ins><span class="cx"> ALWAYS_INLINE void storeUnsignedImmediate(RegisterID rt, RegisterID rn, unsigned pimm)
</span><span class="cx"> {
</span><span class="cx"> m_assembler.str<datasize>(rt, rn, pimm);
</span><span class="lines">@@ -3072,6 +3134,20 @@
</span><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> template<int datasize>
</span><ins>+ ALWAYS_INLINE bool tryLoadSignedWithOffset(RegisterID rt, RegisterID rn, int32_t offset)
+ {
+ if (ARM64Assembler::canEncodeSImmOffset(offset)) {
+ loadSignedAddressedByUnscaledImmediate<datasize>(rt, rn, offset);
+ return true;
+ }
+ if (ARM64Assembler::canEncodePImmOffset<datasize>(offset)) {
+ loadSignedAddressedByUnsignedImmediate<datasize>(rt, rn, static_cast<unsigned>(offset));
+ return true;
+ }
+ return false;
+ }
+
+ template<int datasize>
</ins><span class="cx"> ALWAYS_INLINE bool tryLoadWithOffset(FPRegisterID rt, RegisterID rn, int32_t offset)
</span><span class="cx"> {
</span><span class="cx"> if (ARM64Assembler::canEncodeSImmOffset(offset)) {
</span><span class="lines">@@ -3165,6 +3241,18 @@
</span><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> template<>
</span><ins>+ALWAYS_INLINE void MacroAssemblerARM64::loadSignedAddressedByUnsignedImmediate<8>(RegisterID rt, RegisterID rn, unsigned pimm)
+{
+ m_assembler.ldrsb<64>(rt, rn, pimm);
+}
+
+template<>
+ALWAYS_INLINE void MacroAssemblerARM64::loadSignedAddressedByUnsignedImmediate<16>(RegisterID rt, RegisterID rn, unsigned pimm)
+{
+ m_assembler.ldrsh<64>(rt, rn, pimm);
+}
+
+template<>
</ins><span class="cx"> ALWAYS_INLINE void MacroAssemblerARM64::loadUnscaledImmediate<8>(RegisterID rt, RegisterID rn, int simm)
</span><span class="cx"> {
</span><span class="cx"> m_assembler.ldurb(rt, rn, simm);
</span><span class="lines">@@ -3177,6 +3265,18 @@
</span><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> template<>
</span><ins>+ALWAYS_INLINE void MacroAssemblerARM64::loadSignedAddressedByUnscaledImmediate<8>(RegisterID rt, RegisterID rn, int simm)
+{
+ m_assembler.ldursb<64>(rt, rn, simm);
+}
+
+template<>
+ALWAYS_INLINE void MacroAssemblerARM64::loadSignedAddressedByUnscaledImmediate<16>(RegisterID rt, RegisterID rn, int simm)
+{
+ m_assembler.ldursh<64>(rt, rn, simm);
+}
+
+template<>
</ins><span class="cx"> ALWAYS_INLINE void MacroAssemblerARM64::storeUnsignedImmediate<8>(RegisterID rt, RegisterID rn, unsigned pimm)
</span><span class="cx"> {
</span><span class="cx"> m_assembler.strb(rt, rn, pimm);
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreassemblerX86Assemblerh"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/assembler/X86Assembler.h (194634 => 194635)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/assembler/X86Assembler.h 2016-01-06 10:15:14 UTC (rev 194634)
+++ trunk/Source/JavaScriptCore/assembler/X86Assembler.h 2016-01-06 10:43:00 UTC (rev 194635)
</span><span class="lines">@@ -29,6 +29,7 @@
</span><span class="cx"> #if ENABLE(ASSEMBLER) && (CPU(X86) || CPU(X86_64))
</span><span class="cx">
</span><span class="cx"> #include "AssemblerBuffer.h"
</span><ins>+#include "AssemblerCommon.h"
</ins><span class="cx"> #include "JITCompilationEffort.h"
</span><span class="cx"> #include <limits.h>
</span><span class="cx"> #include <stdint.h>
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreb3B3LowerToAircpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/b3/B3LowerToAir.cpp (194634 => 194635)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/b3/B3LowerToAir.cpp 2016-01-06 10:15:14 UTC (rev 194634)
+++ trunk/Source/JavaScriptCore/b3/B3LowerToAir.cpp 2016-01-06 10:43:00 UTC (rev 194635)
</span><span class="lines">@@ -356,7 +356,7 @@
</span><span class="cx"> // work. We solve this by requiring a just-before-lowering phase that legalizes offsets.
</span><span class="cx"> // FIXME: Implement such a legalization phase.
</span><span class="cx"> // https://bugs.webkit.org/show_bug.cgi?id=152530
</span><del>- ASSERT(Arg::isValidAddrForm(offset));
</del><ins>+ ASSERT(Arg::isValidAddrForm(offset, width));
</ins><span class="cx">
</span><span class="cx"> auto fallback = [&] () -> Arg {
</span><span class="cx"> return Arg::addr(tmp(address), offset);
</span><span class="lines">@@ -1710,6 +1710,12 @@
</span><span class="cx"> return;
</span><span class="cx"> }
</span><span class="cx">
</span><ins>+ case Abs: {
+ RELEASE_ASSERT_WITH_MESSAGE(!isX86(), "Abs is not supported natively on x86. It must be replaced before generation.");
+ appendUnOp<Air::Oops, Air::Oops, AbsDouble, AbsFloat>(m_value->child(0));
+ return;
+ }
+
</ins><span class="cx"> case Ceil: {
</span><span class="cx"> appendUnOp<Air::Oops, Air::Oops, CeilDouble, CeilFloat>(m_value->child(0));
</span><span class="cx"> return;
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreb3airAirArgh"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/b3/air/AirArg.h (194634 => 194635)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/b3/air/AirArg.h 2016-01-06 10:15:14 UTC (rev 194634)
+++ trunk/Source/JavaScriptCore/b3/air/AirArg.h 2016-01-06 10:43:00 UTC (rev 194635)
</span><span class="lines">@@ -888,18 +888,33 @@
</span><span class="cx"> {
</span><span class="cx"> if (isX86())
</span><span class="cx"> return B3::isRepresentableAs<int32_t>(value);
</span><del>- // FIXME: ARM has some specific rules about what kinds of immediates are valid.
- // https://bugs.webkit.org/show_bug.cgi?id=152530
</del><ins>+ if (isARM64())
+ return isUInt12(value);
</ins><span class="cx"> return false;
</span><span class="cx"> }
</span><span class="cx">
</span><del>- static bool isValidAddrForm(int32_t offset)
</del><ins>+ static bool isValidAddrForm(int32_t offset, Optional<Width> width = Nullopt)
</ins><span class="cx"> {
</span><span class="cx"> if (isX86())
</span><span class="cx"> return true;
</span><del>- // FIXME: ARM has some specific rules about what kinds of offsets are valid.
- // https://bugs.webkit.org/show_bug.cgi?id=152530
- UNUSED_PARAM(offset);
</del><ins>+ if (isARM64()) {
+ if (!width)
+ return true;
+
+ if (isValidSignedImm9(offset))
+ return true;
+
+ switch (*width) {
+ case Width8:
+ return isValidScaledUImm12<8>(offset);
+ case Width16:
+ return isValidScaledUImm12<16>(offset);
+ case Width32:
+ return isValidScaledUImm12<32>(offset);
+ case Width64:
+ return isValidScaledUImm12<64>(offset);
+ }
+ }
</ins><span class="cx"> return false;
</span><span class="cx"> }
</span><span class="cx">
</span><span class="lines">@@ -931,7 +946,7 @@
</span><span class="cx"> case Addr:
</span><span class="cx"> case Stack:
</span><span class="cx"> case CallArg:
</span><del>- return isValidAddrForm(offset());
</del><ins>+ return isValidAddrForm(offset(), width);
</ins><span class="cx"> case Index:
</span><span class="cx"> return isValidIndexForm(scale(), offset(), width);
</span><span class="cx"> case RelCond:
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreb3airAirOpcodeopcodes"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/b3/air/AirOpcode.opcodes (194634 => 194635)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/b3/air/AirOpcode.opcodes 2016-01-06 10:15:14 UTC (rev 194634)
+++ trunk/Source/JavaScriptCore/b3/air/AirOpcode.opcodes 2016-01-06 10:43:00 UTC (rev 194635)
</span><span class="lines">@@ -285,7 +285,7 @@
</span><span class="cx"> Tmp*, Tmp
</span><span class="cx"> Imm, Tmp
</span><span class="cx">
</span><del>-arm64: urshift32 U:G:32, U:G:32, ZD:G:32
</del><ins>+arm64: Urshift32 U:G:32, U:G:32, ZD:G:32
</ins><span class="cx"> Tmp, Tmp, Tmp
</span><span class="cx"> Tmp, Imm, Tmp
</span><span class="cx">
</span><span class="lines">@@ -338,6 +338,12 @@
</span><span class="cx"> Tmp
</span><span class="cx"> Addr
</span><span class="cx">
</span><ins>+arm64: AbsDouble U:F:64, D:F:64
+ Tmp, Tmp
+
+arm64: AbsFloat U:F:32, D:F:32
+ Tmp, Tmp
+
</ins><span class="cx"> CeilDouble U:F:64, UD:F:64
</span><span class="cx"> Tmp, Tmp
</span><span class="cx"> x86: Addr, Tmp
</span><span class="lines">@@ -385,17 +391,17 @@
</span><span class="cx"> Tmp, Tmp
</span><span class="cx"> Imm, Tmp as signExtend32ToPtr
</span><span class="cx"> Imm64, Tmp
</span><del>- x86: Addr, Tmp as loadPtr # This means that "Move Addr, Tmp" is code-generated as "load" not "move".
</del><ins>+ Addr, Tmp as loadPtr # This means that "Move Addr, Tmp" is code-generated as "load" not "move".
</ins><span class="cx"> Index, Tmp as loadPtr
</span><del>- x86: Tmp, Addr as storePtr
</del><ins>+ Tmp, Addr as storePtr
</ins><span class="cx"> Tmp, Index as storePtr
</span><span class="cx"> x86: Imm, Addr as storePtr
</span><span class="cx">
</span><span class="cx"> Move32 U:G:32, ZD:G:32
</span><span class="cx"> Tmp, Tmp as zeroExtend32ToPtr
</span><del>- x86: Addr, Tmp as load32
</del><ins>+ Addr, Tmp as load32
</ins><span class="cx"> Index, Tmp as load32
</span><del>- x86: Tmp, Addr as store32
</del><ins>+ Tmp, Addr as store32
</ins><span class="cx"> Tmp, Index as store32
</span><span class="cx"> x86: Imm, Addr as store32
</span><span class="cx"> x86: Imm, Index as store32
</span><span class="lines">@@ -405,36 +411,36 @@
</span><span class="cx">
</span><span class="cx"> ZeroExtend8To32 U:G:8, ZD:G:32
</span><span class="cx"> Tmp, Tmp
</span><del>- x86: Addr, Tmp as load8
</del><ins>+ Addr, Tmp as load8
</ins><span class="cx"> Index, Tmp as load8
</span><span class="cx">
</span><span class="cx"> SignExtend8To32 U:G:8, ZD:G:32
</span><span class="cx"> Tmp, Tmp
</span><del>- x86: Addr, Tmp as load8SignedExtendTo32
</del><ins>+ Addr, Tmp as load8SignedExtendTo32
</ins><span class="cx"> Index, Tmp as load8SignedExtendTo32
</span><span class="cx">
</span><span class="cx"> ZeroExtend16To32 U:G:16, ZD:G:32
</span><span class="cx"> Tmp, Tmp
</span><del>- x86: Addr, Tmp as load16
</del><ins>+ Addr, Tmp as load16
</ins><span class="cx"> Index, Tmp as load16
</span><span class="cx">
</span><span class="cx"> SignExtend16To32 U:G:16, ZD:G:32
</span><span class="cx"> Tmp, Tmp
</span><del>- x86: Addr, Tmp as load16SignedExtendTo32
</del><ins>+ Addr, Tmp as load16SignedExtendTo32
</ins><span class="cx"> Index, Tmp as load16SignedExtendTo32
</span><span class="cx">
</span><span class="cx"> MoveFloat U:F:32, D:F:32
</span><span class="cx"> Tmp, Tmp as moveDouble
</span><del>- x86: Addr, Tmp as loadFloat
</del><ins>+ Addr, Tmp as loadFloat
</ins><span class="cx"> Index, Tmp as loadFloat
</span><del>- x86: Tmp, Addr as storeFloat
</del><ins>+ Tmp, Addr as storeFloat
</ins><span class="cx"> Tmp, Index as storeFloat
</span><span class="cx">
</span><span class="cx"> MoveDouble U:F:64, D:F:64
</span><span class="cx"> Tmp, Tmp
</span><del>- x86: Addr, Tmp as loadDouble
</del><ins>+ Addr, Tmp as loadDouble
</ins><span class="cx"> Index, Tmp as loadDouble
</span><del>- x86: Tmp, Addr as storeDouble
</del><ins>+ Tmp, Addr as storeDouble
</ins><span class="cx"> Tmp, Index as storeDouble
</span><span class="cx">
</span><span class="cx"> MoveZeroToDouble D:F:64
</span><span class="lines">@@ -452,39 +458,39 @@
</span><span class="cx">
</span><span class="cx"> 64: MoveDoubleTo64 U:F:64, D:G:64
</span><span class="cx"> Tmp, Tmp
</span><del>- x86: Addr, Tmp as load64
</del><ins>+ Addr, Tmp as load64
</ins><span class="cx"> Index, Tmp as load64
</span><span class="cx">
</span><span class="cx"> MoveFloatTo32 U:F:32, D:G:32
</span><span class="cx"> Tmp, Tmp
</span><del>- x86: Addr, Tmp as load32
</del><ins>+ Addr, Tmp as load32
</ins><span class="cx"> Index, Tmp as load32
</span><span class="cx">
</span><span class="cx"> Load8 U:G:8, ZD:G:32
</span><del>- x86: Addr, Tmp
</del><ins>+ Addr, Tmp
</ins><span class="cx"> Index, Tmp
</span><span class="cx">
</span><span class="cx"> Store8 U:G:8, D:G:8
</span><span class="cx"> Tmp, Index
</span><del>- x86: Tmp, Addr
</del><ins>+ Tmp, Addr
</ins><span class="cx"> x86: Imm, Index
</span><span class="cx"> x86: Imm, Addr
</span><span class="cx">
</span><span class="cx"> Load8SignedExtendTo32 U:G:8, ZD:G:32
</span><del>- x86: Addr, Tmp
</del><ins>+ Addr, Tmp
</ins><span class="cx"> Index, Tmp
</span><span class="cx">
</span><span class="cx"> Load16 U:G:16, ZD:G:32
</span><del>- x86: Addr, Tmp
</del><ins>+ Addr, Tmp
</ins><span class="cx"> Index, Tmp
</span><span class="cx">
</span><span class="cx"> Load16SignedExtendTo32 U:G:16, ZD:G:32
</span><del>- x86: Addr, Tmp
</del><ins>+ Addr, Tmp
</ins><span class="cx"> Index, Tmp
</span><span class="cx">
</span><span class="cx"> Store16 U:G:16, D:G:16
</span><span class="cx"> Tmp, Index
</span><del>- x86: Tmp, Addr
</del><ins>+ Tmp, Addr
</ins><span class="cx">
</span><span class="cx"> Compare32 U:G:32, U:G:32, U:G:32, ZD:G:32
</span><span class="cx"> RelCond, Tmp, Tmp, Tmp
</span></span></pre>
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