3262 cbz(rscratch2, L_already_dirty);
3263 strb(zr, Address(obj, rscratch1));
3264 bind(L_already_dirty);
3265 } else {
3266 if (UseConcMarkSweepGC && CMSPrecleaningEnabled) {
3267 membar(StoreStore);
3268 }
3269 strb(zr, Address(obj, rscratch1));
3270 }
3271 }
3272
3273 void MacroAssembler::load_klass(Register dst, Register src) {
3274 if (UseCompressedClassPointers) {
3275 ldrw(dst, Address(src, oopDesc::klass_offset_in_bytes()));
3276 decode_klass_not_null(dst);
3277 } else {
3278 ldr(dst, Address(src, oopDesc::klass_offset_in_bytes()));
3279 }
3280 }
3281
3282 void MacroAssembler::load_mirror(Register dst, Register method) {
3283 const int mirror_offset = in_bytes(Klass::java_mirror_offset());
3284 ldr(dst, Address(rmethod, Method::const_offset()));
3285 ldr(dst, Address(dst, ConstMethod::constants_offset()));
3286 ldr(dst, Address(dst, ConstantPool::pool_holder_offset_in_bytes()));
3287 ldr(dst, Address(dst, mirror_offset));
3288 }
3289
3290 void MacroAssembler::cmp_klass(Register oop, Register trial_klass, Register tmp) {
3291 if (UseCompressedClassPointers) {
3292 ldrw(tmp, Address(oop, oopDesc::klass_offset_in_bytes()));
3293 if (Universe::narrow_klass_base() == NULL) {
3294 cmp(trial_klass, tmp, LSL, Universe::narrow_klass_shift());
3295 return;
3296 } else if (((uint64_t)Universe::narrow_klass_base() & 0xffffffff) == 0
3297 && Universe::narrow_klass_shift() == 0) {
3298 // Only the bottom 32 bits matter
3299 cmpw(trial_klass, tmp);
3300 return;
3301 }
|
3262 cbz(rscratch2, L_already_dirty);
3263 strb(zr, Address(obj, rscratch1));
3264 bind(L_already_dirty);
3265 } else {
3266 if (UseConcMarkSweepGC && CMSPrecleaningEnabled) {
3267 membar(StoreStore);
3268 }
3269 strb(zr, Address(obj, rscratch1));
3270 }
3271 }
3272
3273 void MacroAssembler::load_klass(Register dst, Register src) {
3274 if (UseCompressedClassPointers) {
3275 ldrw(dst, Address(src, oopDesc::klass_offset_in_bytes()));
3276 decode_klass_not_null(dst);
3277 } else {
3278 ldr(dst, Address(src, oopDesc::klass_offset_in_bytes()));
3279 }
3280 }
3281
3282 // ((OopHandle)result).resolve();
3283 void MacroAssembler::resolve_oop_handle(Register result) {
3284 // OopHandle::resolve is an indirection.
3285 ldr(result, Address(result, 0));
3286 }
3287
3288 void MacroAssembler::load_mirror(Register dst, Register method) {
3289 const int mirror_offset = in_bytes(Klass::java_mirror_offset());
3290 ldr(dst, Address(rmethod, Method::const_offset()));
3291 ldr(dst, Address(dst, ConstMethod::constants_offset()));
3292 ldr(dst, Address(dst, ConstantPool::pool_holder_offset_in_bytes()));
3293 ldr(dst, Address(dst, mirror_offset));
3294 }
3295
3296 void MacroAssembler::cmp_klass(Register oop, Register trial_klass, Register tmp) {
3297 if (UseCompressedClassPointers) {
3298 ldrw(tmp, Address(oop, oopDesc::klass_offset_in_bytes()));
3299 if (Universe::narrow_klass_base() == NULL) {
3300 cmp(trial_klass, tmp, LSL, Universe::narrow_klass_shift());
3301 return;
3302 } else if (((uint64_t)Universe::narrow_klass_base() & 0xffffffff) == 0
3303 && Universe::narrow_klass_shift() == 0) {
3304 // Only the bottom 32 bits matter
3305 cmpw(trial_klass, tmp);
3306 return;
3307 }
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