jdk8-mips64-public/hotspot: src/cpu/sparc/vm/c1_Defs

6953477: Increase portability and flexibility of building Hotspot
Summary: A collection of portability improvements including shared code support for PPC, ARM platforms, software floating point, cross compilation support and improvements in error crash detail.
Reviewed-by: phh, never, coleenp, dholmes

     1 /*

     2  * Copyright (c) 2000, 2009, Oracle and/or its affiliates. All rights reserved.

     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  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  *

    23  */

    25 // native word offsets from memory address (big endian)

    26 enum {

    27   pd_lo_word_offset_in_bytes = BytesPerInt,

    28   pd_hi_word_offset_in_bytes = 0

    29 };

    32 // explicit rounding operations are not required to implement the strictFP mode

    33 enum {

    34   pd_strict_fp_requires_explicit_rounding = false

    35 };

    38 // registers

    39 enum {

    40   pd_nof_cpu_regs_frame_map = 32,  // number of registers used during code emission

    41   pd_nof_caller_save_cpu_regs_frame_map = 10,  // number of cpu registers killed by calls

    42   pd_nof_cpu_regs_reg_alloc = 20,  // number of registers that are visible to register allocator

    43   pd_nof_cpu_regs_linearscan = 32,// number of registers visible linear scan

    44   pd_first_cpu_reg = 0,

    45   pd_last_cpu_reg = 31,

    46   pd_last_allocatable_cpu_reg = 19,

    47   pd_first_callee_saved_reg = 0,

    48   pd_last_callee_saved_reg = 13,

    50   pd_nof_fpu_regs_frame_map = 32,  // number of registers used during code emission

    51   pd_nof_caller_save_fpu_regs_frame_map = 32,  // number of fpu registers killed by calls

    52   pd_nof_fpu_regs_reg_alloc = 32,  // number of registers that are visible to register allocator

    53   pd_nof_fpu_regs_linearscan = 32, // number of registers visible to linear scan

    54   pd_first_fpu_reg = pd_nof_cpu_regs_frame_map,

    55   pd_last_fpu_reg =  pd_nof_cpu_regs_frame_map + pd_nof_fpu_regs_frame_map - 1,

    57   pd_nof_xmm_regs_linearscan = 0,

    58   pd_nof_caller_save_xmm_regs = 0,

    59   pd_first_xmm_reg = -1,

    60   pd_last_xmm_reg = -1

    61 };

    64 // for debug info: a float value in a register is saved in single precision by runtime stubs

    65 enum {

    66   pd_float_saved_as_double = false

    67 };

src/cpu/sparc/vm/c1_Defs_sparc.hpp@126ea7725993

src/cpu/sparc/vm/c1_Defs_sparc.hpp

Mercurial > jdk8-mips64-public > hotspot / file revision

src/cpu/sparc/vm/c1_Defs_sparc.hpp@126ea7725993

src/cpu/sparc/vm/c1_Defs_sparc.hpp