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comparison src/cpu/ppc/vm/macroAssembler_ppc.inline.hpp @ 17804:fd1b9f02cc91

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8036976: PPC64: implement the template interpreter Reviewed-by: kvn, coleenp Contributed-by: axel.siebenborn@sap.com, martin.doerr@sap.com
author goetz
date Mon, 10 Mar 2014 12:58:02 +0100
parents 31e80afe3fed
children 92aa6797d639
comparison
equal deleted inserted replaced
17803:31e80afe3fed 17804:fd1b9f02cc91
1 /* 1 /*
2 * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
3 * Copyright 2012, 2013 SAP AG. All rights reserved. 3 * Copyright 2012, 2014 SAP AG. All rights reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 * 5 *
6 * This code is free software; you can redistribute it and/or modify it 6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as 7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation. 8 * published by the Free Software Foundation.
319 } else { 319 } else {
320 ld(d, offs, s1); 320 ld(d, offs, s1);
321 } 321 }
322 } 322 }
323 323
324 inline void MacroAssembler::store_heap_oop_not_null(Register d, RegisterOrConstant offs, Register s1, Register tmp) {
325 if (UseCompressedOops) {
326 Register compressedOop = encode_heap_oop_not_null((tmp != noreg) ? tmp : d, d);
327 stw(compressedOop, offs, s1);
328 } else {
329 std(d, offs, s1);
330 }
331 }
332
324 inline void MacroAssembler::load_heap_oop(Register d, RegisterOrConstant offs, Register s1) { 333 inline void MacroAssembler::load_heap_oop(Register d, RegisterOrConstant offs, Register s1) {
325 if (UseCompressedOops) { 334 if (UseCompressedOops) {
326 lwz(d, offs, s1); 335 lwz(d, offs, s1);
327 decode_heap_oop(d); 336 decode_heap_oop(d);
328 } else { 337 } else {
329 ld(d, offs, s1); 338 ld(d, offs, s1);
330 } 339 }
331 } 340 }
332 341
333 inline void MacroAssembler::encode_heap_oop_not_null(Register d) { 342 inline Register MacroAssembler::encode_heap_oop_not_null(Register d, Register src) {
343 Register current = (src!=noreg) ? src : d; // Compressed oop is in d if no src provided.
334 if (Universe::narrow_oop_base() != NULL) { 344 if (Universe::narrow_oop_base() != NULL) {
335 sub(d, d, R30); 345 sub(d, current, R30);
346 current = d;
336 } 347 }
337 if (Universe::narrow_oop_shift() != 0) { 348 if (Universe::narrow_oop_shift() != 0) {
338 srdi(d, d, LogMinObjAlignmentInBytes); 349 srdi(d, current, LogMinObjAlignmentInBytes);
339 } 350 current = d;
351 }
352 return current; // Encoded oop is in this register.
340 } 353 }
341 354
342 inline void MacroAssembler::decode_heap_oop_not_null(Register d) { 355 inline void MacroAssembler::decode_heap_oop_not_null(Register d) {
343 if (Universe::narrow_oop_shift() != 0) { 356 if (Universe::narrow_oop_shift() != 0) {
344 assert (LogMinObjAlignmentInBytes == Universe::narrow_oop_shift(), "decode alg wrong"); 357 assert (LogMinObjAlignmentInBytes == Universe::narrow_oop_shift(), "decode alg wrong");