Mercurial > hg > graal-compiler
diff src/cpu/x86/vm/c1_Defs_x86.hpp @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | dc7f315e41f7 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/cpu/x86/vm/c1_Defs_x86.hpp Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,66 @@ +/* + * Copyright 2000-2005 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + */ + +// native word offsets from memory address (little endian) +enum { + pd_lo_word_offset_in_bytes = 0, + pd_hi_word_offset_in_bytes = BytesPerWord +}; + +// explicit rounding operations are required to implement the strictFP mode +enum { + pd_strict_fp_requires_explicit_rounding = true +}; + + +// registers +enum { + pd_nof_cpu_regs_frame_map = 8, // number of registers used during code emission + pd_nof_fpu_regs_frame_map = 8, // number of registers used during code emission + pd_nof_xmm_regs_frame_map = 8, // number of registers used during code emission + pd_nof_caller_save_cpu_regs_frame_map = 6, // number of registers killed by calls + pd_nof_caller_save_fpu_regs_frame_map = 8, // number of registers killed by calls + pd_nof_caller_save_xmm_regs_frame_map = 8, // number of registers killed by calls + + pd_nof_cpu_regs_reg_alloc = 6, // number of registers that are visible to register allocator + pd_nof_fpu_regs_reg_alloc = 6, // number of registers that are visible to register allocator + + pd_nof_cpu_regs_linearscan = 8, // number of registers visible to linear scan + pd_nof_fpu_regs_linearscan = 8, // number of registers visible to linear scan + pd_nof_xmm_regs_linearscan = 8, // number of registers visible to linear scan + pd_first_cpu_reg = 0, + pd_last_cpu_reg = 5, + pd_first_byte_reg = 2, + pd_last_byte_reg = 5, + pd_first_fpu_reg = pd_nof_cpu_regs_frame_map, + pd_last_fpu_reg = pd_first_fpu_reg + 7, + pd_first_xmm_reg = pd_nof_cpu_regs_frame_map + pd_nof_fpu_regs_frame_map, + pd_last_xmm_reg = pd_first_xmm_reg + 7 +}; + + +// encoding of float value in debug info: +enum { + pd_float_saved_as_double = true +};