Mercurial > jdk8-mips64-public > hotspot / annotate
src/cpu/x86/vm/c1_Defs_x86.hpp@f90c822e73f8 (annotated)
src/cpu/x86/vm/c1_Defs_x86.hpp
Wed, 27 Apr 2016 01:25:04 +0800
- author
- aoqi
- date
- Wed, 27 Apr 2016 01:25:04 +0800
- changeset 0
- f90c822e73f8
- child 6876
- 710a3c8b516e
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http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/
changeset: 6782:28b50d07f6f8
tag: jdk8u25-b17
| aoqi@0 | 1 | /* |
| aoqi@0 | 2 | * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved. |
| aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| aoqi@0 | 4 | * |
| aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
| aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| aoqi@0 | 7 | * published by the Free Software Foundation. |
| aoqi@0 | 8 | * |
| aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| aoqi@0 | 13 | * accompanied this code). |
| aoqi@0 | 14 | * |
| aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
| aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| aoqi@0 | 18 | * |
| aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
| aoqi@0 | 21 | * questions. |
| aoqi@0 | 22 | * |
| aoqi@0 | 23 | */ |
| aoqi@0 | 24 | |
| aoqi@0 | 25 | #ifndef CPU_X86_VM_C1_DEFS_X86_HPP |
| aoqi@0 | 26 | #define CPU_X86_VM_C1_DEFS_X86_HPP |
| aoqi@0 | 27 | |
| aoqi@0 | 28 | // native word offsets from memory address (little endian) |
| aoqi@0 | 29 | enum { |
| aoqi@0 | 30 | pd_lo_word_offset_in_bytes = 0, |
| aoqi@0 | 31 | pd_hi_word_offset_in_bytes = BytesPerWord |
| aoqi@0 | 32 | }; |
| aoqi@0 | 33 | |
| aoqi@0 | 34 | // explicit rounding operations are required to implement the strictFP mode |
| aoqi@0 | 35 | enum { |
| aoqi@0 | 36 | pd_strict_fp_requires_explicit_rounding = true |
| aoqi@0 | 37 | }; |
| aoqi@0 | 38 | |
| aoqi@0 | 39 | |
| aoqi@0 | 40 | // registers |
| aoqi@0 | 41 | enum { |
| aoqi@0 | 42 | pd_nof_cpu_regs_frame_map = RegisterImpl::number_of_registers, // number of registers used during code emission |
| aoqi@0 | 43 | pd_nof_fpu_regs_frame_map = FloatRegisterImpl::number_of_registers, // number of registers used during code emission |
| aoqi@0 | 44 | pd_nof_xmm_regs_frame_map = XMMRegisterImpl::number_of_registers, // number of registers used during code emission |
| aoqi@0 | 45 | |
| aoqi@0 | 46 | #ifdef _LP64 |
| aoqi@0 | 47 | #define UNALLOCATED 4 // rsp, rbp, r15, r10 |
| aoqi@0 | 48 | #else |
| aoqi@0 | 49 | #define UNALLOCATED 2 // rsp, rbp |
| aoqi@0 | 50 | #endif // LP64 |
| aoqi@0 | 51 | |
| aoqi@0 | 52 | pd_nof_caller_save_cpu_regs_frame_map = pd_nof_cpu_regs_frame_map - UNALLOCATED, // number of registers killed by calls |
| aoqi@0 | 53 | pd_nof_caller_save_fpu_regs_frame_map = pd_nof_fpu_regs_frame_map, // number of registers killed by calls |
| aoqi@0 | 54 | pd_nof_caller_save_xmm_regs_frame_map = pd_nof_xmm_regs_frame_map, // number of registers killed by calls |
| aoqi@0 | 55 | |
| aoqi@0 | 56 | pd_nof_cpu_regs_reg_alloc = pd_nof_caller_save_cpu_regs_frame_map, // number of registers that are visible to register allocator |
| aoqi@0 | 57 | pd_nof_fpu_regs_reg_alloc = 6, // number of registers that are visible to register allocator |
| aoqi@0 | 58 | |
| aoqi@0 | 59 | pd_nof_cpu_regs_linearscan = pd_nof_cpu_regs_frame_map, // number of registers visible to linear scan |
| aoqi@0 | 60 | pd_nof_fpu_regs_linearscan = pd_nof_fpu_regs_frame_map, // number of registers visible to linear scan |
| aoqi@0 | 61 | pd_nof_xmm_regs_linearscan = pd_nof_xmm_regs_frame_map, // number of registers visible to linear scan |
| aoqi@0 | 62 | pd_first_cpu_reg = 0, |
| aoqi@0 | 63 | pd_last_cpu_reg = NOT_LP64(5) LP64_ONLY(11), |
| aoqi@0 | 64 | pd_first_byte_reg = NOT_LP64(2) LP64_ONLY(0), |
| aoqi@0 | 65 | pd_last_byte_reg = NOT_LP64(5) LP64_ONLY(11), |
| aoqi@0 | 66 | pd_first_fpu_reg = pd_nof_cpu_regs_frame_map, |
| aoqi@0 | 67 | pd_last_fpu_reg = pd_first_fpu_reg + 7, |
| aoqi@0 | 68 | pd_first_xmm_reg = pd_nof_cpu_regs_frame_map + pd_nof_fpu_regs_frame_map, |
| aoqi@0 | 69 | pd_last_xmm_reg = pd_first_xmm_reg + pd_nof_xmm_regs_frame_map - 1 |
| aoqi@0 | 70 | }; |
| aoqi@0 | 71 | |
| aoqi@0 | 72 | |
| aoqi@0 | 73 | // encoding of float value in debug info: |
| aoqi@0 | 74 | enum { |
| aoqi@0 | 75 | pd_float_saved_as_double = true |
| aoqi@0 | 76 | }; |
| aoqi@0 | 77 | |
| aoqi@0 | 78 | #endif // CPU_X86_VM_C1_DEFS_X86_HPP |
