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8223136: Move compressed oops functions to CompressedOops class

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Reviewed-by: coleenp, lkorinth
This commit is contained in:
Stefan Karlsson 2019-05-09 14:26:03 +02:00
parent 73227d0b83
commit 5a8ba256df
68 changed files with 1071 additions and 797 deletions
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9
src/hotspot/share/compiler/oopMap.cpp
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@ -32,6 +32,7 @@
#include "memory/allocation.inline.hpp"
#include "memory/iterator.hpp"
#include "memory/resourceArea.hpp"
#include "oops/compressedOops.hpp"
#include "runtime/frame.inline.hpp"
#include "runtime/handles.inline.hpp"
#include "runtime/signature.hpp"
@ -346,11 +347,11 @@ void OopMapSet::all_do(const frame *fr, const RegisterMap *reg_map,
oop *derived_loc = loc;
oop *base_loc = fr->oopmapreg_to_location(omv.content_reg(), reg_map);
// Ignore NULL oops and decoded NULL narrow oops which
// equal to Universe::narrow_oop_base when a narrow oop
// equal to CompressedOops::base() when a narrow oop
// implicit null check is used in compiled code.
// The narrow_oop_base could be NULL or be the address
// of the page below heap depending on compressed oops mode.
if (base_loc != NULL && *base_loc != NULL && !Universe::is_narrow_oop_base(*base_loc)) {
if (base_loc != NULL && *base_loc != NULL && !CompressedOops::is_base(*base_loc)) {
derived_oop_fn(base_loc, derived_loc);
}
oms.next();
@ -371,9 +372,9 @@ void OopMapSet::all_do(const frame *fr, const RegisterMap *reg_map,
guarantee(loc != NULL, "missing saved register");
if ( omv.type() == OopMapValue::oop_value ) {
oop val = *loc;
if (val == NULL || Universe::is_narrow_oop_base(val)) {
if (val == NULL || CompressedOops::is_base(val)) {
// Ignore NULL oops and decoded NULL narrow oops which
// equal to Universe::narrow_oop_base when a narrow oop
// equal to CompressedOops::base() when a narrow oop
// implicit null check is used in compiled code.
// The narrow_oop_base could be NULL or be the address
// of the page below heap depending on compressed oops mode.