Mercurial > hg > graal-compiler
annotate src/cpu/sparc/vm/c1_LinearScan_sparc.hpp @ 1851:357451a9ae6a
6991211: assert failure on sparc: "can not have caller-save register operands at calls"
Summary: fixes sparc only assert failure following 6972540
Reviewed-by: never
| author | roland |
|---|---|
| date | Wed, 13 Oct 2010 10:29:31 +0200 |
| parents | c18cbe5936b8 |
| children | f95d63e2154a |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
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6941466: Oracle rebranding changes for Hotspot repositories
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2 * Copyright (c) 2005, 2006, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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6941466: Oracle rebranding changes for Hotspot repositories
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 inline bool LinearScan::is_processed_reg_num(int reg_num) { | |
| 26 return reg_num < 26 || reg_num > 31; | |
| 27 } | |
| 28 | |
| 29 inline int LinearScan::num_physical_regs(BasicType type) { | |
| 30 // Sparc requires two cpu registers for long | |
| 31 // and two cpu registers for double | |
| 32 #ifdef _LP64 | |
| 33 if (type == T_DOUBLE) { | |
| 34 #else | |
| 35 if (type == T_DOUBLE || type == T_LONG) { | |
| 36 #endif | |
| 37 return 2; | |
| 38 } | |
| 39 return 1; | |
| 40 } | |
| 41 | |
| 42 | |
| 43 inline bool LinearScan::requires_adjacent_regs(BasicType type) { | |
| 44 #ifdef _LP64 | |
| 45 return type == T_DOUBLE; | |
| 46 #else | |
| 47 return type == T_DOUBLE || type == T_LONG; | |
| 48 #endif | |
| 49 } | |
| 50 | |
| 51 inline bool LinearScan::is_caller_save(int assigned_reg) { | |
| 52 return assigned_reg > pd_last_callee_saved_reg && assigned_reg <= pd_last_fpu_reg; | |
| 53 } | |
| 54 | |
| 55 | |
| 56 inline void LinearScan::pd_add_temps(LIR_Op* op) { | |
| 57 // No special case behaviours yet | |
| 58 } | |
| 59 | |
| 60 | |
| 61 inline bool LinearScanWalker::pd_init_regs_for_alloc(Interval* cur) { | |
| 62 if (allocator()->gen()->is_vreg_flag_set(cur->reg_num(), LIRGenerator::callee_saved)) { | |
| 63 assert(cur->type() != T_FLOAT && cur->type() != T_DOUBLE, "cpu regs only"); | |
| 64 _first_reg = pd_first_callee_saved_reg; | |
| 65 _last_reg = pd_last_callee_saved_reg; | |
| 66 return true; | |
|
1851
357451a9ae6a
6991211: assert failure on sparc: "can not have caller-save register operands at calls"
roland
parents:
1552
diff
changeset
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67 } else if (cur->type() == T_INT || cur->type() == T_LONG || cur->type() == T_OBJECT || cur->type() == T_ADDRESS) { |
| 0 | 68 _first_reg = pd_first_cpu_reg; |
| 69 _last_reg = pd_last_allocatable_cpu_reg; | |
| 70 return true; | |
| 71 } | |
| 72 return false; | |
| 73 } |