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annotate src/cpu/sparc/vm/c1_Defs_sparc.hpp @ 3474:b9f76db5ac53
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author | Gilles Duboscq <gilles.duboscq@oracle.com> |
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date | Mon, 01 Aug 2011 13:56:56 +0200 |
parents | f95d63e2154a |
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0 | 1 /* |
1972 | 2 * Copyright (c) 2000, 2010, 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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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef CPU_SPARC_VM_C1_DEFS_SPARC_HPP |
26 #define CPU_SPARC_VM_C1_DEFS_SPARC_HPP | |
27 | |
0 | 28 // native word offsets from memory address (big endian) |
29 enum { | |
30 pd_lo_word_offset_in_bytes = BytesPerInt, | |
31 pd_hi_word_offset_in_bytes = 0 | |
32 }; | |
33 | |
34 | |
35 // explicit rounding operations are not required to implement the strictFP mode | |
36 enum { | |
37 pd_strict_fp_requires_explicit_rounding = false | |
38 }; | |
39 | |
40 | |
41 // registers | |
42 enum { | |
43 pd_nof_cpu_regs_frame_map = 32, // number of registers used during code emission | |
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44 pd_nof_caller_save_cpu_regs_frame_map = 10, // number of cpu registers killed by calls |
0 | 45 pd_nof_cpu_regs_reg_alloc = 20, // number of registers that are visible to register allocator |
46 pd_nof_cpu_regs_linearscan = 32,// number of registers visible linear scan | |
47 pd_first_cpu_reg = 0, | |
48 pd_last_cpu_reg = 31, | |
49 pd_last_allocatable_cpu_reg = 19, | |
50 pd_first_callee_saved_reg = 0, | |
51 pd_last_callee_saved_reg = 13, | |
52 | |
53 pd_nof_fpu_regs_frame_map = 32, // number of registers used during code emission | |
54 pd_nof_caller_save_fpu_regs_frame_map = 32, // number of fpu registers killed by calls | |
55 pd_nof_fpu_regs_reg_alloc = 32, // number of registers that are visible to register allocator | |
56 pd_nof_fpu_regs_linearscan = 32, // number of registers visible to linear scan | |
57 pd_first_fpu_reg = pd_nof_cpu_regs_frame_map, | |
58 pd_last_fpu_reg = pd_nof_cpu_regs_frame_map + pd_nof_fpu_regs_frame_map - 1, | |
59 | |
60 pd_nof_xmm_regs_linearscan = 0, | |
61 pd_nof_caller_save_xmm_regs = 0, | |
62 pd_first_xmm_reg = -1, | |
63 pd_last_xmm_reg = -1 | |
64 }; | |
65 | |
66 | |
67 // for debug info: a float value in a register is saved in single precision by runtime stubs | |
68 enum { | |
69 pd_float_saved_as_double = false | |
70 }; | |
1972 | 71 |
72 #endif // CPU_SPARC_VM_C1_DEFS_SPARC_HPP |