Change the algorithm and generated code for parallel moves on IA32.

tools/gyp/v8.gyp

 # Copyright 2011 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * 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
@@ skipping 563 matching lines @@
                 '../../src/arm/constants-arm.cc',
                 '../../src/arm/cpu-arm.cc',
                 '../../src/arm/debug-arm.cc',
                 '../../src/arm/deoptimizer-arm.cc',
                 '../../src/arm/disasm-arm.cc',
                 '../../src/arm/frames-arm.cc',
                 '../../src/arm/frames-arm.h',
                 '../../src/arm/full-codegen-arm.cc',
                 '../../src/arm/ic-arm.cc',
                 '../../src/arm/jump-target-arm.cc',
+                '../../src/arm/lithium-arm.cc',
+                '../../src/arm/lithium-arm.h',
                 '../../src/arm/lithium-codegen-arm.cc',
                 '../../src/arm/lithium-codegen-arm.h',
-                '../../src/arm/lithium-arm.cc',
-                '../../src/arm/lithium-arm.h',
+                '../../src/arm/lithium-move-assembler-arm.cc',
+                '../../src/arm/lithium-move-assembler-arm.h',
                 '../../src/arm/macro-assembler-arm.cc',
                 '../../src/arm/macro-assembler-arm.h',
                 '../../src/arm/regexp-macro-assembler-arm.cc',
                 '../../src/arm/regexp-macro-assembler-arm.h',
                 '../../src/arm/register-allocator-arm.cc',
                 '../../src/arm/simulator-arm.cc',
                 '../../src/arm/stub-cache-arm.cc',
                 '../../src/arm/virtual-frame-arm-inl.h',
                 '../../src/arm/virtual-frame-arm.cc',
                 '../../src/arm/virtual-frame-arm.h',
@@ skipping 31 matching lines @@
                 '../../src/ia32/disasm-ia32.cc',
                 '../../src/ia32/frames-ia32.cc',
                 '../../src/ia32/frames-ia32.h',
                 '../../src/ia32/full-codegen-ia32.cc',
                 '../../src/ia32/ic-ia32.cc',
                 '../../src/ia32/jump-target-ia32.cc',
                 '../../src/ia32/lithium-codegen-ia32.cc',
                 '../../src/ia32/lithium-codegen-ia32.h',
                 '../../src/ia32/lithium-ia32.cc',
                 '../../src/ia32/lithium-ia32.h',
+                '../../src/ia32/lithium-move-assembler-ia32.cc',
+                '../../src/ia32/lithium-move-assembler-ia32.h',
                 '../../src/ia32/macro-assembler-ia32.cc',
                 '../../src/ia32/macro-assembler-ia32.h',
                 '../../src/ia32/regexp-macro-assembler-ia32.cc',
                 '../../src/ia32/regexp-macro-assembler-ia32.h',
                 '../../src/ia32/register-allocator-ia32.cc',
                 '../../src/ia32/stub-cache-ia32.cc',
                 '../../src/ia32/virtual-frame-ia32.cc',
                 '../../src/ia32/virtual-frame-ia32.h',
               ],
             }],
@@ skipping 193 matching lines @@
           'target_name': 'v8_shell',
           'type': 'none',
           'dependencies': [
             'v8'
           ],
         },
       ],
     }],
   ],
 }