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comparison src/os_cpu/solaris_x86/vm/assembler_solaris_x86_32.cpp @ 168:7793bd37a336

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6705887: Compressed Oops: generate x64 addressing and implicit null checks with narrow oops Summary: Generate addresses and implicit null checks with narrow oops to avoid decoding. Reviewed-by: jrose, never
author kvn
date Thu, 29 May 2008 12:04:14 -0700
parents a61af66fc99e
children d1605aabd0a1
comparison
equal deleted inserted replaced
167:feeb96a45707 168:7793bd37a336
78 popl(rcx); 78 popl(rcx);
79 if (thread != rax) popl(rax); 79 if (thread != rax) popl(rax);
80 popl(thread); 80 popl(thread);
81 } 81 }
82 82
83 bool MacroAssembler::needs_explicit_null_check(int offset) { 83 bool MacroAssembler::needs_explicit_null_check(intptr_t offset) {
84 // Identical to Sparc/Solaris code 84 // Identical to Sparc/Solaris code
85 bool offset_in_first_page = 0 <= offset && offset < os::vm_page_size(); 85 bool offset_in_first_page = 0 <= offset && offset < os::vm_page_size();
86 return !offset_in_first_page; 86 return !offset_in_first_page;
87 } 87 }