Mercurial > hg > graal-jvmci-8

diff src/os_cpu/linux_x86/vm/assembler_linux_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
line wrap: on
line diff
--- a/src/os_cpu/linux_x86/vm/assembler_linux_x86_32.cpp	Wed May 28 21:06:24 2008 -0700
+++ b/src/os_cpu/linux_x86/vm/assembler_linux_x86_32.cpp	Thu May 29 12:04:14 2008 -0700
@@ -40,7 +40,7 @@
   movptr(thread, tls);
 }
 
-bool MacroAssembler::needs_explicit_null_check(int offset) {
+bool MacroAssembler::needs_explicit_null_check(intptr_t offset) {
   // Linux kernel guarantees that the first page is always unmapped. Don't
   // assume anything more than that.
   bool offset_in_first_page =   0 <= offset  &&  offset < os::vm_page_size();