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m68k.md (tablejump+2): Don't sign extend an address register. 

* config/m68k/m68k.md (tablejump+2): Don't sign extend an address
        register.
        * config/m68k/apollo68.h (ASM_RETURN_CASE_JUMP): Likewise.
        * config/m68k/coff.h (ASM_RETURN_CASE_JUMP): Likewise.
        * config/m68k/linux.h (ASM_RETURN_CASE_JUMP): Likewise.
        * config/m68k/m68kelf.h (ASM_RETURN_CASE_JUMP): Likewise.
        * config/m68k/mot3300.h (ASM_RETURN_CASE_JUMP): Likewise.
        * config/m68k/netbsd-elf.h (ASM_RETURN_CASE_JUMP): Likewise.
        * config/m68k/pbb.h (ASM_RETURN_CASE_JUMP): Likewise.

From-SVN: r62030
This commit is contained in:
Andreas Schwab 2003-01-28 22:17:21 +00:00 committed by Richard Henderson
parent 6d09ef27d4
commit c1c1d12306
8 changed files with 117 additions and 50 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
gcc/ChangeLog
View File

@ -1,3 +1,15 @@
2003-01-28 Andreas Schwab <schwab@suse.de>
* config/m68k/m68k.md (tablejump+2): Don't sign extend an address
register.
* config/m68k/apollo68.h (ASM_RETURN_CASE_JUMP): Likewise.
* config/m68k/coff.h (ASM_RETURN_CASE_JUMP): Likewise.
* config/m68k/linux.h (ASM_RETURN_CASE_JUMP): Likewise.
* config/m68k/m68kelf.h (ASM_RETURN_CASE_JUMP): Likewise.
* config/m68k/mot3300.h (ASM_RETURN_CASE_JUMP): Likewise.
* config/m68k/netbsd-elf.h (ASM_RETURN_CASE_JUMP): Likewise.
* config/m68k/pbb.h (ASM_RETURN_CASE_JUMP): Likewise.
2003-01-28 Richard Sandiford <rsandifo@redhat.com>
* combine.c (nonzero_bits): Fix check for negative divide operands.

19
gcc/config/m68k/coff.h
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@ -1,6 +1,6 @@
/* Definitions of target machine for GNU compiler.
m68k series COFF object files and debugging, version.
Copyright (C) 1994, 1996, 1997, 2000 Free Software Foundation, Inc.
Copyright (C) 1994, 1996, 1997, 2000, 2002 Free Software Foundation, Inc.
This file is part of GNU CC.
@ -55,12 +55,17 @@ Boston, MA 02111-1307, USA. */
/* config/m68k.md has an explicit reference to the program counter,
prefix this by the register prefix. */
#define ASM_RETURN_CASE_JUMP \
do { \
if (TARGET_5200) \
return "ext%.l %0\n\tjmp %%pc@(2,%0:l)"; \
else \
return "jmp %%pc@(2,%0:w)"; \
#define ASM_RETURN_CASE_JUMP \
do { \
if (TARGET_5200) \
{ \
if (ADDRESS_REG_P (operands[0])) \
return "jmp %%pc@(2,%0:l)"; \
else \
return "ext%.l %0\n\tjmp %%pc@(2,%0:l)"; \
} \
else \
return "jmp %%pc@(2,%0:w)"; \
} while (0)
/* Here are the new register names. */

17
gcc/config/m68k/linux.h
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@ -194,12 +194,17 @@ Boston, MA 02111-1307, USA. */
/* Use the default action for outputting the case label. */
#undef ASM_OUTPUT_CASE_LABEL
#define ASM_RETURN_CASE_JUMP \
do { \
if (TARGET_5200) \
return "ext%.l %0\n\tjmp %%pc@(2,%0:l)"; \
else \
return "jmp %%pc@(2,%0:w)"; \
#define ASM_RETURN_CASE_JUMP \
do { \
if (TARGET_5200) \
{ \
if (ADDRESS_REG_P (operands[0])) \
return "jmp %%pc@(2,%0:l)"; \
else \
return "ext%.l %0\n\tjmp %%pc@(2,%0:l)"; \
} \
else \
return "jmp %%pc@(2,%0:w)"; \
} while (0)
/* This is how to output an assembler line that says to advance the

39
gcc/config/m68k/m68k.md
View File

@ -1,5 +1,5 @@
;;- Machine description for GNU compiler, Motorola 68000 Version
;; Copyright (C) 1987, 1988, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2001
;; Copyright (C) 1987, 1988, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2001, 2002
;; Free Software Foundation, Inc.
;; This file is part of GNU CC.
@ -6973,17 +6973,33 @@
#ifdef SGS
#ifdef ASM_OUTPUT_CASE_LABEL
if (TARGET_5200)
return \"ext%.l %0\;jmp 6(%%pc,%0.l)\";
{
if (ADDRESS_REG_P (operands[0]))
return \"jmp 6(%%pc,%0.l)\";
else
return \"ext%.l %0\;jmp 6(%%pc,%0.l)\";
}
else
return \"jmp 6(%%pc,%0.w)\";
#else
if (TARGET_5200)
{
if (ADDRESS_REG_P (operands[0]))
{
#ifdef CRDS
return \"ext%.l %0\;jmp 2(pc,%0.l)\";
return \"jmp 2(pc,%0.l)\";
#else
return \"extl %0\;jmp 2(%%pc,%0.l)\";
return \"jmp 2(%%pc,%0.l)\";
#endif /* end !CRDS */
}
else
{
#ifdef CRDS
return \"ext%.l %0\;jmp 2(pc,%0.l)\";
#else
return \"extl %0\;jmp 2(%%pc,%0.l)\";
#endif /* end !CRDS */
}
}
else
{
@ -6997,11 +7013,22 @@
#else /* not SGS */
if (TARGET_5200)
{
if (ADDRESS_REG_P (operands[0]))
{
#ifdef MOTOROLA
return \"ext%.l %0\;jmp (2,pc,%0.l)\";
return \"jmp (2,pc,%0.l)\";
#else
return \"extl %0\;jmp pc@(2,%0:l)\";
return \"jmp pc@(2,%0:l)\";
#endif
}
else
{
#ifdef MOTOROLA
return \"ext%.l %0\;jmp (2,pc,%0.l)\";
#else
return \"extl %0\;jmp pc@(2,%0:l)\";
#endif
}
}
else
{

19
gcc/config/m68k/m68kelf.h
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@ -1,7 +1,7 @@
/* m68kelf support, derived from m68kv4.h */
/* Target definitions for GNU compiler for mc680x0 running System V.4
Copyright (C) 1991, 1993, 2000 Free Software Foundation, Inc.
Copyright (C) 1991, 1993, 2000, 2002 Free Software Foundation, Inc.
Written by Ron Guilmette (rfg@netcom.com) and Fred Fish (fnf@cygnus.com).
@ -73,12 +73,17 @@ Boston, MA 02111-1307, USA. */
/* config/m68k.md has an explicit reference to the program counter,
prefix this by the register prefix. */
#define ASM_RETURN_CASE_JUMP \
do { \
if (TARGET_5200) \
return "ext%.l %0\n\tjmp %%pc@(2,%0:l)"; \
else \
return "jmp %%pc@(2,%0:w)"; \
#define ASM_RETURN_CASE_JUMP \
do { \
if (TARGET_5200) \
{ \
if (ADDRESS_REG_P (operands[0])) \
return "jmp %%pc@(2,%0:l)"; \
else \
return "ext%.l %0\n\tjmp %%pc@(2,%0:l)"; \
} \
else \
return "jmp %%pc@(2,%0:w)"; \
} while (0)
/* How to refer to registers in assembler output.

19
gcc/config/m68k/mot3300.h
View File

@ -1,6 +1,6 @@
/* Definitions of target machine for GNU compiler,
SysV68 Motorola 3300 Delta Series.
Copyright (C) 1987, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000
Copyright (C) 1987, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2002
Free Software Foundation, Inc.
Contributed by Abramo and Roberto Bagnara (bagnara@dipisa.di.unipi.it)
based on Alex Crain's 3B1 definitions.
@ -423,12 +423,17 @@ Boston, MA 02111-1307, USA. */
#define ASM_OUTPUT_CASE_FETCH(file, labelno, regname)\
asm_fprintf (file, "12(%Rpc,%s.", regname)
#define ASM_RETURN_CASE_JUMP \
do { \
if (TARGET_5200) \
return "ext%.l %0\n\tjmp 8(%%pc,%0.l)"; \
else \
return "jmp 8(%%pc,%0.w)"; \
#define ASM_RETURN_CASE_JUMP \
do { \
if (TARGET_5200) \
{ \
if (ADDRESS_REG_P (operands[0])) \
return "jmp 8(%%pc,%0.l)"; \
else \
return "ext%.l %0\n\tjmp 8(%%pc,%0.l)"; \
} \
else \
return "jmp 8(%%pc,%0.w)"; \
} while (0)
#else /* USE_GAS */

23
gcc/config/m68k/netbsd-elf.h
View File

@ -11,7 +11,7 @@ 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 1, or (at your option)
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,
@ -217,15 +217,18 @@ while (0)
/* Use the default action for outputting the case label. */
#undef ASM_OUTPUT_CASE_LABEL
#define ASM_RETURN_CASE_JUMP \
do \
{ \
if (TARGET_5200) \
return "ext%.l %0\n\tjmp %%pc@(2,%0:l)"; \
else \
return "jmp %%pc@(2,%0:w)"; \
} \
while (0)
#define ASM_RETURN_CASE_JUMP \
do { \
if (TARGET_5200) \
{ \
if (ADDRESS_REG_P (operands[0])) \
return "jmp %%pc@(2,%0:l)"; \
else \
return "ext%.l %0\n\tjmp %%pc@(2,%0:l)"; \
} \
else \
return "jmp %%pc@(2,%0:w)"; \
} while (0)
/* This is how to output an assembler line that says to advance the

19
gcc/config/m68k/pbb.h
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@ -1,6 +1,6 @@
/* Definitions of target machine for GNU compiler.
Citicorp/TTI Unicom PBB version (using GAS with a %-register prefix)
Copyright (C) 1987, 1988, 1990, 1996, 1997 Free Software Foundation, Inc.
Copyright (C) 1987, 1988, 1990, 1996, 1997, 2002 Free Software Foundation, Inc.
This file is part of GNU CC.
@ -109,12 +109,17 @@ Boston, MA 02111-1307, USA. */
&& ! find_equiv_reg (0, get_last_insn (), 0, 0, 0, 8, Pmode)) \
asm_fprintf (FILE, "\tmovl %Rd0,%Ra0\n"); }
#define ASM_RETURN_CASE_JUMP \
do { \
if (TARGET_5200) \
return "ext%.l %0\n\tjmp %%pc@(2,%0:l)"; \
else \
return "jmp %%pc@(2,%0:w)"; \
#define ASM_RETURN_CASE_JUMP \
do { \
if (TARGET_5200) \
{ \
if (ADDRESS_REG_P (operands[0])) \
return "jmp %%pc@(2,%0:l)"; \
else \
return "ext%.l %0\n\tjmp %%pc@(2,%0:l)"; \
} \
else \
return "jmp %%pc@(2,%0:w)"; \
} while (0)
/* Although the gas we use can create .ctor and .dtor sections from N_SETT