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config.gcc (i[34567]86-*-rdos*, [...]): New targets.

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* config.gcc (i[34567]86-*-rdos*, x86_64-*-rdos*): New targets.
	* config/i386/i386.h (TARGET_RDOS): New macro.
	(DEFAULT_LARGE_SECTION_THRESHOLD): New macro.
	* config/i386/i386.c (ix86_option_override_internal): For 64bit
	TARGET_RDOS, set ix86_cmodel to CM_MEDIUM_PIC and flag_pic to 1.
	* config/i386/i386.opt (mlarge-data-threshold): Initialize to
	DEFAULT_LARGE_SECTION_THRESHOLD.
	* config/i386/i386.md (R14_REG, R15_REG): New constants.
	* config/i386/rdos.h: New file.
	* config/i386/rdos64.h: New file.

From-SVN: r195516
This commit is contained in:
Leif Ekblad 2013-01-28 20:42:55 +00:00 committed by Uros Bizjak
parent 51e44392b3
commit 5a579c3b65
8 changed files with 93 additions and 2 deletions
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13
gcc/ChangeLog
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@ -1,3 +1,16 @@
2013-01-28 Leif Ekblad <leif@rdos.net>
* config.gcc (i[34567]86-*-rdos*, x86_64-*-rdos*): New targets.
* config/i386/i386.h (TARGET_RDOS): New macro.
(DEFAULT_LARGE_SECTION_THRESHOLD): New macro.
* config/i386/i386.c (ix86_option_override_internal): For 64bit
TARGET_RDOS, set ix86_cmodel to CM_MEDIUM_PIC and flag_pic to 1.
* config/i386/i386.opt (mlarge-data-threshold): Initialize to
DEFAULT_LARGE_SECTION_THRESHOLD.
* config/i386/i386.md (R14_REG, R15_REG): New constants.
* config/i386/rdos.h: New file.
* config/i386/rdos64.h: New file.
2013-01-28 Bernd Schmidt <bernds@codesourcery.com>
PR other/54814

10
gcc/config.gcc
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@ -738,6 +738,9 @@ case ${target} in
use_gcc_stdint=wrap
tm_defines="$tm_defines DEFAULT_LIBC=LIBC_UCLIBC SINGLE_LIBC"
;;
*-*-rdos*)
use_gcc_stdint=wrap
;;
*-*-solaris2*)
# i?86-*-solaris2* needs to insert headers between cpu default and
# Solaris 2 specific ones.
@ -1204,6 +1207,13 @@ i[34567]86-*-elf*)
x86_64-*-elf*)
tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h newlib-stdint.h i386/i386elf.h i386/x86-64.h"
;;
i[34567]86-*-rdos*)
tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h newlib-stdint.h i386/i386elf.h i386/rdos.h"
;;
x86_64-*-rdos*)
tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h newlib-stdint.h i386/i386elf.h i386/x86-64.h i386/rdos.h i386/rdos64.h"
tmake_file="i386/t-i386elf t-svr4"
;;
i[34567]86-*-freebsd*)
tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h ${fbsd_tm_file} i386/freebsd.h"
;;

4
gcc/config/i386/i386.c
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@ -3235,10 +3235,12 @@ ix86_option_override_internal (bool main_args_p)
DLL, and is essentially just as efficient as direct addressing. */
if (TARGET_64BIT && DEFAULT_ABI == MS_ABI)
ix86_cmodel = CM_SMALL_PIC, flag_pic = 1;
else if (TARGET_64BIT && TARGET_RDOS)
ix86_cmodel = CM_MEDIUM_PIC, flag_pic = 1;
else if (TARGET_64BIT)
ix86_cmodel = flag_pic ? CM_SMALL_PIC : CM_SMALL;
else
ix86_cmodel = CM_32;
ix86_cmodel = CM_32;
}
if (TARGET_MACHO && ix86_asm_dialect == ASM_INTEL)
{

7
gcc/config/i386/i386.h
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@ -518,6 +518,9 @@ extern tree x86_mfence;
#define MACHOPIC_INDIRECT 0
#define MACHOPIC_PURE 0
/* For the RDOS */
#define TARGET_RDOS 0
/* For the Windows 64-bit ABI. */
#define TARGET_64BIT_MS_ABI (TARGET_64BIT && ix86_cfun_abi () == MS_ABI)
@ -2081,6 +2084,10 @@ do { \
asm (SECTION_OP "\n\t" \
"call " CRT_MKSTR(__USER_LABEL_PREFIX__) #FUNC "\n" \
TEXT_SECTION_ASM_OP);
/* Default threshold for putting data in large sections
with x86-64 medium memory model */
#define DEFAULT_LARGE_SECTION_THRESHOLD 65536
/* Which processor to tune code generation for. */

2
gcc/config/i386/i386.md
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@ -300,6 +300,8 @@
(R11_REG 40)
(R12_REG 41)
(R13_REG 42)
(R14_REG 43)
(R15_REG 44)
(XMM8_REG 45)
(XMM9_REG 46)
(XMM10_REG 47)

2
gcc/config/i386/i386.opt
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@ -140,7 +140,7 @@ Target RejectNegative Joined UInteger Var(ix86_branch_cost)
Branches are this expensive (1-5, arbitrary units)
mlarge-data-threshold=
Target RejectNegative Joined UInteger Var(ix86_section_threshold) Init(65536)
Target RejectNegative Joined UInteger Var(ix86_section_threshold) Init(DEFAULT_LARGE_SECTION_THRESHOLD)
Data greater than given threshold will go into .ldata section in x86-64 medium model
mcmodel=

33
gcc/config/i386/rdos.h Normal file
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@ -0,0 +1,33 @@
/* Definitions for RDOS on i386.
Copyright (C) 2013 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GCC 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 for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
/* RDOS uses .exe suffix */
#undef TARGET_EXECUTABLE_SUFFIX
#define TARGET_EXECUTABLE_SUFFIX ".exe"
#undef TARGET_RDOS
#define TARGET_RDOS 1
#define TARGET_OS_CPP_BUILTINS() \
do \
{ \
builtin_define ("__RDOS__"); \
builtin_assert ("system=rdos"); \
} \
while (0)

24
gcc/config/i386/rdos64.h Normal file
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@ -0,0 +1,24 @@
/* Definitions for RDOS on x86_64.
Copyright (C) 2013 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GCC 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 for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#undef REAL_PIC_OFFSET_TABLE_REGNUM
#define REAL_PIC_OFFSET_TABLE_REGNUM R15_REG
#undef DEFAULT_LARGE_SECTION_THRESHOLD
#define DEFAULT_LARGE_SECTION_THRESHOLD 16