Quellcode-Bibliothek

^© Kompilation durch diese Firma

[Weder Korrektheit noch Funktionsfähigkeit der Software werden zugesichert.]

Datei: c1_Defs_ppc.hpp Sprache: C

/*
* Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2012, 2015 SAP SE. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/

#ifndef CPU_PPC_C1_DEFS_PPC_HPP
#define CPU_PPC_C1_DEFS_PPC_HPP

// Native word offsets from memory address.
enum {
#if defined(VM_LITTLE_ENDIAN)
  pd_lo_word_offset_in_bytes = 0,
  pd_hi_word_offset_in_bytes = BytesPerInt
#else
  pd_lo_word_offset_in_bytes = BytesPerInt,
  pd_hi_word_offset_in_bytes = 0
#endif
};

// Explicit rounding operations are not required to implement the strictFP mode.
enum {
  pd_strict_fp_requires_explicit_rounding = false
};

// registers
enum {
  pd_nof_cpu_regs_frame_map = 32,              // Number of registers used during code emission.
  pd_nof_caller_save_cpu_regs_frame_map = 27,  // Number of cpu registers killed by calls. (At least R3_ARG1 ... R10_ARG8, but using all like C2.)
  pd_nof_cpu_regs_reg_alloc = 27,              // Number of registers that are visible to register allocator.
  pd_nof_cpu_regs_linearscan = 32,             // Number of registers visible linear scan.
  pd_first_callee_saved_reg = pd_nof_caller_save_cpu_regs_frame_map,
  pd_last_callee_saved_reg = pd_nof_cpu_regs_reg_alloc - 1,
  pd_first_cpu_reg = 0,
  pd_last_cpu_reg = pd_nof_cpu_regs_reg_alloc - 1,

  pd_nof_fpu_regs_frame_map = 32,              // Number of registers used during code emission.
  pd_nof_caller_save_fpu_regs_frame_map = 32,  // Number of fpu registers killed by calls.
  pd_nof_fpu_regs_reg_alloc = 32,              // Number of registers that are visible to register allocator.
  pd_nof_fpu_regs_linearscan = 32,             // Number of registers visible to linear scan.
  pd_first_fpu_reg = pd_nof_cpu_regs_frame_map,
  pd_last_fpu_reg =  pd_nof_cpu_regs_frame_map + pd_nof_fpu_regs_reg_alloc - 1,

  pd_nof_xmm_regs_linearscan = 0,
  pd_nof_caller_save_xmm_regs = 0,
  pd_first_xmm_reg = -1,
  pd_last_xmm_reg = -1
};

// For debug info: a float value in a register is saved in single precision by runtime stubs.
enum {
  pd_float_saved_as_double = true
};

#endif // CPU_PPC_C1_DEFS_PPC_HPP

¤ Dauer der Verarbeitung: 0.23 Sekunden (vorverarbeitet) ¤

Download des Quellennavigators
Download des sprechenden Kalenders
in der Quellcodebibliothek suchen

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.