src/share/vm/opto/lcm.cpp

Print this page

        

*** 20,33 **** * or visit www.oracle.com if you need additional information or have any * questions. * */ ! // Optimization - Graph Style ! #include "incls/_precompiled.incl" ! #include "incls/_lcm.cpp.incl" //------------------------------implicit_null_check---------------------------- // Detect implicit-null-check opportunities. Basically, find NULL checks // with suitable memory ops nearby. Use the memory op to do the NULL check. // I can generate a memory op if there is not one nearby. --- 20,51 ---- * or visit www.oracle.com if you need additional information or have any * questions. * */ ! #include "precompiled.hpp" ! #include "memory/allocation.inline.hpp" ! #include "opto/block.hpp" ! #include "opto/c2compiler.hpp" ! #include "opto/callnode.hpp" ! #include "opto/cfgnode.hpp" ! #include "opto/machnode.hpp" ! #include "opto/runtime.hpp" ! #ifdef TARGET_ARCH_MODEL_x86_32 ! # include "adfiles/ad_x86_32.hpp" ! #endif ! #ifdef TARGET_ARCH_MODEL_x86_64 ! # include "adfiles/ad_x86_64.hpp" ! #endif ! #ifdef TARGET_ARCH_MODEL_sparc ! # include "adfiles/ad_sparc.hpp" ! #endif ! #ifdef TARGET_ARCH_MODEL_zero ! # include "adfiles/ad_zero.hpp" ! #endif ! // Optimization - Graph Style //------------------------------implicit_null_check---------------------------- // Detect implicit-null-check opportunities. Basically, find NULL checks // with suitable memory ops nearby. Use the memory op to do the NULL check. // I can generate a memory op if there is not one nearby.