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Updated sources with changes from devo. 

From-SVN: r23369
This commit is contained in:
Nick Clifton 1998-10-27 15:15:11 +00:00 committed by Nick Clifton
parent 479bb22670
commit 2a5307b1a9
6 changed files with 166 additions and 49 deletions
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7
gcc/ChangeLog
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@ -3,7 +3,12 @@ Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
* toplev.c (display_help): Ignore empty target specific
options, and if -W is also specified on the command line then
display undocumented options.
* config/arm/arm.c: Updated with changes in devo sources.
* config/arm/arm.h: Updated with changes in devo sources.
* config/arm/lib1funcs.asm: Updated with changes in devo sources.
* config/arm/lib1thumb.asm: Add ELF support.
Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
* collect2.c (aix64_flag): New variable.

2
gcc/config/arm/arm.c
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@ -1520,7 +1520,7 @@ arm_rtx_costs (x, code, outer_code)
int j;
/* Tune as appropriate */
int booth_unit_size = ((tune_flags & FL_FAST_MULT) ? 8 : 2);
for (j = 0; i && j < 32; j += booth_unit_size)
{
i >>= booth_unit_size;

18
gcc/config/arm/arm.h
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@ -589,7 +589,7 @@ extern int arm_arch4;
#ifndef STRUCTURE_SIZE_BOUNDARY
#define STRUCTURE_SIZE_BOUNDARY 32
#endif
/* Used when parsing command line option -mstructure_size_boundary. */
extern char * structure_size_string;
@ -759,7 +759,7 @@ extern char * structure_size_string;
via the stack pointer) in functions that seem suitable.
If we have to have a frame pointer we might as well make use of it.
APCS says that the frame pointer does not need to be pushed in leaf
functions. */
functions, or simple tail call functions. */
#define FRAME_POINTER_REQUIRED \
(current_function_has_nonlocal_label || (TARGET_APCS && !leaf_function_p ()))
@ -1848,7 +1848,7 @@ extern int arm_compare_fp;
#define ASM_OUTPUT_INTERNAL_LABEL(STREAM, PREFIX, NUM) \
do \
{ \
char *s = (char *) alloca (40 + strlen (PREFIX)); \
char * s = (char *) alloca (40 + strlen (PREFIX)); \
extern int arm_target_label, arm_ccfsm_state; \
extern rtx arm_target_insn; \
\
@ -1862,15 +1862,15 @@ extern int arm_compare_fp;
ASM_OUTPUT_LABEL (STREAM, s); \
} while (0)
#endif
/* Output a push or a pop instruction (only used when profiling). */
#define ASM_OUTPUT_REG_PUSH(STREAM,REGNO) \
fprintf(STREAM,"\tstmfd\t%ssp!,{%s%s}\n", \
REGISTER_PREFIX, REGISTER_PREFIX, reg_names[REGNO])
fprintf (STREAM,"\tstmfd\t%ssp!,{%s%s}\n", \
REGISTER_PREFIX, REGISTER_PREFIX, reg_names [REGNO])
#define ASM_OUTPUT_REG_POP(STREAM,REGNO) \
fprintf(STREAM,"\tldmfd\t%ssp!,{%s%s}\n", \
REGISTER_PREFIX, REGISTER_PREFIX, reg_names[REGNO])
fprintf (STREAM,"\tldmfd\t%ssp!,{%s%s}\n", \
REGISTER_PREFIX, REGISTER_PREFIX, reg_names [REGNO])
/* Target characters. */
#define TARGET_BELL 007
@ -1913,7 +1913,7 @@ extern int arm_compare_fp;
{ \
rtx base = XEXP (X, 0); \
rtx index = XEXP (X, 1); \
char *base_reg_name; \
char * base_reg_name; \
HOST_WIDE_INT offset = 0; \
if (GET_CODE (base) != REG) \
{ \

60
gcc/config/arm/lib1funcs.asm
View File

@ -43,6 +43,10 @@ Boston, MA 02111-1307, USA. */
#define RETCOND
#endif
#ifndef __USER_LABEL_PREFIX__
#error __USER_LABEL_PREFIX__ not defined
#endif
#ifdef __elf__
#define __PLT__ (PLT)
#define TYPE(x) .type SYM(x),function
@ -53,10 +57,6 @@ Boston, MA 02111-1307, USA. */
#define SIZE(x)
#endif
#ifndef __USER_LABEL_PREFIX__
#define __USER_LABEL_PREFIX__ _
#endif
/* ANSI concatenation macros. */
#define CONCAT1(a, b) CONCAT2(a, b)
@ -78,7 +78,7 @@ lr .req r14
pc .req r15
.text
.globl SYM(__udivsi3)
.globl SYM (__udivsi3)
TYPE (__udivsi3)
.align 0
@ -156,8 +156,8 @@ lr .req r14
pc .req r15
.text
.globl SYM (__umodsi3)
TYPE (__umodsi3)
.globl SYM (__umodsi3)
TYPE (__umodsi3)
.align 0
SYM (__umodsi3):
@ -246,8 +246,8 @@ lr .req r14
pc .req r15
.text
.globl SYM (__divsi3)
TYPE (__divsi3)
.globl SYM (__divsi3)
TYPE (__divsi3)
.align 0
SYM (__divsi3):
@ -331,8 +331,8 @@ lr .req r14
pc .req r15
.text
.globl SYM (__modsi3)
TYPE (__modsi3)
.globl SYM (__modsi3)
TYPE (__modsi3)
.align 0
SYM (__modsi3):
@ -422,8 +422,8 @@ Ldiv0:
#ifdef L_dvmd_tls
.globl SYM (__div0)
TYPE (__div0)
.globl SYM (__div0)
TYPE (__div0)
.align 0
SYM (__div0):
RET pc, lr
@ -439,8 +439,8 @@ SYM (__div0):
#define SIGFPE 8 @ cant use <asm/signal.h> as it
@ contains too much C rubbish
.globl SYM (__div0)
TYPE (__div0)
.globl SYM (__div0)
TYPE (__div0)
.align 0
SYM (__div0):
stmfd sp!, {r1, lr}
@ -472,10 +472,13 @@ SYM (__div0):
.code 16
.macro call_via register
.globl SYM (_call_via_\register)
TYPE (_call_via_\register)
.thumb_func
SYM (_call_via_\register):
bx \register
nop
SIZE (_call_via_\register)
.endm
call_via r0
@ -513,6 +516,7 @@ SYM (_call_via_\register):
.align 0
.code 32
.globl _arm_return
_arm_return:
ldmia r13!, {r12}
bx r12
@ -521,6 +525,7 @@ _arm_return:
.macro interwork register
.code 16
.globl SYM (_interwork_call_via_\register)
TYPE (_interwork_call_via_\register)
.thumb_func
SYM (_interwork_call_via_\register):
bx pc
@ -533,6 +538,8 @@ SYM (_interwork_call_via_\register):
stmeqdb r13!, {lr}
adreq lr, _arm_return
bx \register
SIZE (_interwork_call_via_\register)
.endm
interwork r0
@ -549,6 +556,25 @@ SYM (_interwork_call_via_\register):
interwork fp
interwork ip
interwork sp
interwork lr
/* The lr case has to be handled a little differently...*/
.code 16
.globl SYM (_interwork_call_via_lr)
TYPE (_interwork_call_via_lr)
.thumb_func
SYM (_interwork_call_via_lr):
bx pc
nop
.code 32
.globl .Lchange_lr
.Lchange_lr:
tst lr, #1
stmeqdb r13!, {lr}
mov ip, lr
adreq lr, _arm_return
bx ip
SIZE (_interwork_call_via_lr)
#endif /* L_interwork_call_via_rX */

96
gcc/config/arm/lib1thumb.asm
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@ -1,7 +1,7 @@
@ libgcc1 routines for ARM cpu.
@ Division routines, written by Richard Earnshaw, (rearnsha@armltd.co.uk)
/* Copyright (C) 1995, 1996 Free Software Foundation, Inc.
/* Copyright (C) 1995, 1996, 1998 Free Software Foundation, Inc.
This file is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
@ -36,7 +36,17 @@ Boston, MA 02111-1307, USA. */
.code 16
#ifndef __USER_LABEL_PREFIX__
#error USER_LABEL_PREFIX not defined
#error __USER_LABEL_PREFIX__ not defined
#endif
#ifdef __elf__
#define __PLT__ (PLT)
#define TYPE(x) .type SYM(x),function
#define SIZE(x) .size SYM(x), . - SYM(x)
#else
#define __PLT__
#define TYPE(x)
#define SIZE(x)
#endif
#define RET mov pc, lr
@ -64,8 +74,9 @@ lr .req r14
pc .req r15
.text
.globl SYM (__udivsi3)
.align 0
.globl SYM (__udivsi3)
TYPE (__udivsi3)
.align 0
.thumb_func
SYM (__udivsi3):
cmp divisor, #0
@ -151,10 +162,12 @@ Lgot_result:
Ldiv0:
push { lr }
bl SYM (__div0)
bl SYM (__div0) __PLT__
mov r0, #0 @ about as wrong as it could be
pop { pc }
SIZE (__udivsi3)
#endif /* L_udivsi3 */
#ifdef L_umodsi3
@ -167,9 +180,11 @@ ip .req r12
sp .req r13
lr .req r14
pc .req r15
.text
.globl SYM (__umodsi3)
.align 0
.globl SYM (__umodsi3)
TYPE (__umodsi3)
.align 0
.thumb_func
SYM (__umodsi3):
cmp divisor, #0
@ -302,10 +317,12 @@ Over10:
Ldiv0:
push { lr }
bl SYM (__div0)
bl SYM (__div0) __PLT__
mov r0, #0 @ about as wrong as it could be
pop { pc }
SIZE (__umodsi3)
#endif /* L_umodsi3 */
#ifdef L_divsi3
@ -318,9 +335,11 @@ ip .req r12
sp .req r13
lr .req r14
pc .req r15
.text
.globl SYM (__divsi3)
.align 0
.globl SYM (__divsi3)
TYPE (__divsi3)
.align 0
.thumb_func
SYM (__divsi3):
cmp divisor, #0
@ -421,10 +440,12 @@ Over7:
Ldiv0:
push { lr }
bl SYM (__div0)
bl SYM (__div0) __PLT__
mov r0, #0 @ about as wrong as it could be
pop { pc }
SIZE (__divsi3)
#endif /* L_divsi3 */
#ifdef L_modsi3
@ -437,9 +458,11 @@ ip .req r12
sp .req r13
lr .req r14
pc .req r15
.text
.globl SYM (__modsi3)
.align 0
.globl SYM (__modsi3)
TYPE (__modsi3)
.align 0
.thumb_func
SYM (__modsi3):
mov curbit, #1
@ -581,20 +604,25 @@ Over10:
Ldiv0:
push { lr }
bl SYM (__div0)
bl SYM (__div0) __PLT__
mov r0, #0 @ about as wrong as it could be
pop { pc }
SIZE (__modsi3)
#endif /* L_modsi3 */
#ifdef L_dvmd_tls
.globl SYM (__div0)
.align 0
.globl SYM (__div0)
TYPE (__div0)
.align 0
.thumb_func
SYM (__div0):
RET
SIZE (__div0)
#endif /* L_divmodsi_tools */
@ -611,10 +639,13 @@ SYM (__div0):
.macro call_via register
.globl SYM (_call_via_\register)
TYPE (_call_via_\register)
.thumb_func
SYM (_call_via_\register):
bx \register
nop
SIZE (_call_via_\register)
.endm
call_via r0
@ -652,13 +683,16 @@ SYM (_call_via_\register):
.align 0
.code 32
.globl _arm_return
_arm_return:
ldmia r13!, {r12}
bx r12
.code 16
.macro interwork register
.code 16
.globl SYM (_interwork_call_via_\register)
TYPE (_interwork_call_via_\register)
.thumb_func
SYM (_interwork_call_via_\register):
bx pc
@ -671,7 +705,8 @@ SYM (_interwork_call_via_\register):
stmeqdb r13!, {lr}
adreq lr, _arm_return
bx \register
.code 16
SIZE (_interwork_call_via_\register)
.endm
interwork r0
@ -688,8 +723,27 @@ SYM (_interwork_call_via_\register):
interwork fp
interwork ip
interwork sp
interwork lr
/* The lr case has to be handled a little differently...*/
.code 16
.globl SYM (_interwork_call_via_lr)
TYPE (_interwork_call_via_lr)
.thumb_func
SYM (_interwork_call_via_lr):
bx pc
nop
.code 32
.globl .Lchange_lr
.Lchange_lr:
tst lr, #1
stmeqdb r13!, {lr}
mov ip, lr
adreq lr, _arm_return
bx ip
SIZE (_interwork_call_via_lr)
#endif /* L_interwork_call_via_rX */

32
gcc/config/arm/linux-elf26.h Normal file
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@ -0,0 +1,32 @@
/* Definitions for 26-bit ARM running Linux-based GNU systems using ELF
Copyright (C) 1998 Free Software Foundation, Inc.
Contributed by Philip Blundell <philb@gnu.org>
This file is part of GNU CC.
GNU CC 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 2, or (at your option)
any later version.
GNU CC 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 this program; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#define SUBTARGET_DEFAULT_APCS26
#define SUBTARGET_LINK_SPEC \
" %{mapcs-32:-m elf32arm} %{!mapcs-32:-m elf32arm26}"
#define SUBTARGET_EXTRA_ASM_SPEC \
" %{mapcs-32:-mapcs-32} %(!mapcs-32:-mapcs-26}"
#define TARGET_DEFAULT (ARM_FLAG_SHORT_BYTE)
#include "arm/linux-elf.h"