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[multiple changes]

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2006-01-27  Jakub Jelinek  <jakub@redhat.com>

	PR target/25864
	* libgcc-std.ver: Add GCC_4.1.0 symbol version.
	* config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
	-mno-minimal-toc to previous content.
	(bispecs): Remove goal.
	* config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
	* config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
	compatibility aliases on powerpc-*-*gnu*.
	* config/rs6000/libgcc-ppc-glibc.ver: New file.
	* config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
	libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
	(TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
	(ldblspecs): New goal.
	* config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
	* mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
	_df_to_tf.
	* config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
	L_sf_to_tf or L_df_to_tf is defined.

2006-01-27  David Edelsohn  <edelsohn@gnu.org>
	    Alan Modra  <amodra@bigpond.net.au>

	PR target/25864
	* config/rs6000/linux.h (POWERPC_LINUX): Define.
	* config/rs6000/linux64.h (POWERPC_LINUX): Define.
	* config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
	* config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
	* config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
	* config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
	(rs6000_override_options): Initialize rs6000_ieeequad.
	Initialize TFmode format to ibm_extended_format if not
	TARGET_IEEEQUAD.
	(rs6000_handle_option): Accept -mabi= ibmlongdouble and
	ieeelongdouble.
	(rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
	(rs6000_return_in_memory): Only return IEEEQUAD in memory.
	(function_arg_advance): IBM long double passed in two FPRs, not
	split.
	(function_arg): IBM long double passed in FPRs.
	(rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
	(rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
	Only multireg GPR aligned.
	(rs6000_init_libfuncs): Enable IBM long double functions if not
	IEEEQUAD.
	(rs6000_generate_compare): Use IBM long double compare if not
	TARGET_IEEEQUAD.
	* config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
	(TARGET_IEEEQUAD): Define.
	(CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
	not TARGET_IEEEQUAD.
	* config/rs6000/rs6000.md: Enable TFmode patterns if
	!TARGET_IEEEQUAD.
	* config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
	* config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
	and -mlong-double-128 are incompatible.
	* doc/invoke.texi (-mabi): Collect options together.  Add
	ibmlongdouble and ieeelongdouble.

From-SVN: r110303
This commit is contained in:
Jakub Jelinek 2006-01-27 20:59:49 +01:00
parent 091c9413bb
commit 602ea4d307
18 changed files with 262 additions and 104 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

60
gcc/ChangeLog
View file

@ -1,3 +1,63 @@
2006-01-27 Jakub Jelinek <jakub@redhat.com>
PR target/25864
* libgcc-std.ver: Add GCC_4.1.0 symbol version.
* config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
-mno-minimal-toc to previous content.
(bispecs): Remove goal.
* config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
* config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
compatibility aliases on powerpc-*-*gnu*.
* config/rs6000/libgcc-ppc-glibc.ver: New file.
* config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
(TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
(ldblspecs): New goal.
* config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
* mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
_df_to_tf.
* config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
L_sf_to_tf or L_df_to_tf is defined.
2006-01-27 David Edelsohn <edelsohn@gnu.org>
Alan Modra <amodra@bigpond.net.au>
PR target/25864
* config/rs6000/linux.h (POWERPC_LINUX): Define.
* config/rs6000/linux64.h (POWERPC_LINUX): Define.
* config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
* config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
* config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
* config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
(rs6000_override_options): Initialize rs6000_ieeequad.
Initialize TFmode format to ibm_extended_format if not
TARGET_IEEEQUAD.
(rs6000_handle_option): Accept -mabi= ibmlongdouble and
ieeelongdouble.
(rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
(rs6000_return_in_memory): Only return IEEEQUAD in memory.
(function_arg_advance): IBM long double passed in two FPRs, not
split.
(function_arg): IBM long double passed in FPRs.
(rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
(rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
Only multireg GPR aligned.
(rs6000_init_libfuncs): Enable IBM long double functions if not
IEEEQUAD.
(rs6000_generate_compare): Use IBM long double compare if not
TARGET_IEEEQUAD.
* config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
(TARGET_IEEEQUAD): Define.
(CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
not TARGET_IEEEQUAD.
* config/rs6000/rs6000.md: Enable TFmode patterns if
!TARGET_IEEEQUAD.
* config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
* config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
and -mlong-double-128 are incompatible.
* doc/invoke.texi (-mabi): Collect options together. Add
ibmlongdouble and ieeelongdouble.
2006-01-27 Richard Sandiford <richard@codesourcery.com>
* doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new

6
gcc/config/fp-bit.h
View file

@ -1,5 +1,5 @@
/* Header file for fp-bit.c. */
/* Copyright (C) 2000, 2002, 2003 Free Software Foundation, Inc.
/* Copyright (C) 2000, 2002, 2003, 2006 Free Software Foundation, Inc.
This file is part of GCC.
@ -89,7 +89,9 @@ Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
#endif /* ! FINE_GRAINED_LIBRARIES */
#if __LDBL_MANT_DIG__ == 113 || __LDBL_MANT_DIG__ == 106
# define TMODES
# if defined(TFLOAT) || defined(L_sf_to_tf) || defined(L_df_to_tf)
# define TMODES
# endif
#endif
typedef float SFtype __attribute__ ((mode (SF)));

4
gcc/config/rs6000/aix.h
View file

@ -1,6 +1,6 @@
/* Definitions of target machine for GNU compiler,
for IBM RS/6000 POWER running AIX.
Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005
Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006
Free Software Foundation, Inc.
This file is part of GCC.
@ -42,6 +42,8 @@
#define TARGET_ALTIVEC 0
#undef TARGET_ALTIVEC_ABI
#define TARGET_ALTIVEC_ABI 0
#undef TARGET_IEEEQUAD
#define TARGET_IEEEQUAD 0
/* The AIX linker will discard static constructors in object files before
collect has a chance to see them, so scan the object files directly. */

8
gcc/config/rs6000/darwin-ldouble.c
View file

@ -1,5 +1,6 @@
/* 128-bit long double support routines for Darwin.
Copyright (C) 1993, 2003, 2004, 2005 Free Software Foundation, Inc.
Copyright (C) 1993, 2003, 2004, 2005, 2006
Free Software Foundation, Inc.
This file is part of GCC.
@ -48,7 +49,7 @@ Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
This code currently assumes big-endian. */
#if !_SOFT_FLOAT && (defined (__MACH__) || defined (__powerpc64__) || defined (_AIX))
#if !_SOFT_FLOAT && (defined (__MACH__) || defined (__powerpc64__) || defined (__powerpc__) || defined (_AIX))
#define fabs(x) __builtin_fabs(x)
#define isless(x, y) __builtin_isless (x, y)
@ -67,7 +68,8 @@ extern long double __gcc_qsub (double, double, double, double);
extern long double __gcc_qmul (double, double, double, double);
extern long double __gcc_qdiv (double, double, double, double);
#if defined __ELF__ && defined SHARED
#if defined __ELF__ && defined SHARED \
&& (defined __powerpc64__ || !(defined __linux__ || defined __gnu_hurd__))
/* Provide definitions of the old symbol names to satisfy apps and
shared libs built against an older libgcc. To access the _xlq
symbols an explicit version reference is needed, so these won't

4
gcc/config/rs6000/darwin.h
View file

@ -1,5 +1,5 @@
/* Target definitions for PowerPC running Darwin (Mac OS X).
Copyright (C) 1997, 2000, 2001, 2003, 2004, 2005
Copyright (C) 1997, 2000, 2001, 2003, 2004, 2005, 2006
Free Software Foundation, Inc.
Contributed by Apple Computer Inc.
@ -311,6 +311,8 @@ do { \
/* Darwin only runs on PowerPC, so short-circuit POWER patterns. */
#undef TARGET_POWER
#define TARGET_POWER 0
#undef TARGET_IEEEQUAD
#define TARGET_IEEEQUAD 0
/* Since Darwin doesn't do TOCs, stub this out. */

31
gcc/config/rs6000/libgcc-ppc-glibc.ver Normal file
View file

@ -0,0 +1,31 @@
%ifndef _SOFT_FLOAT
%ifndef __powerpc64__
%exclude {
__multc3
__divtc3
__powitf2
__fixtfdi
__fixunstfdi
__floatditf
}
GCC_4.1.0 {
# long double support
__multc3
__divtc3
__powitf2
__fixtfdi
__fixunstfdi
__floatditf
%else
GCC_3.4.4 {
%endif
# long double support
__gcc_qadd
__gcc_qsub
__gcc_qmul
__gcc_qdiv
}
%endif

6
gcc/config/rs6000/linux.h
View file

@ -1,7 +1,7 @@
/* Definitions of target machine for GNU compiler,
for PowerPC machines running Linux.
Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
Free Software Foundation, Inc.
Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
2004, 2005, 2006 Free Software Foundation, Inc.
Contributed by Michael Meissner (meissner@cygnus.com).
This file is part of GCC.
@ -118,3 +118,5 @@
/* ppc32 glibc provides __stack_chk_guard in -0x7008(2). */
#define TARGET_THREAD_SSP_OFFSET -0x7008
#endif
#define POWERPC_LINUX

4
gcc/config/rs6000/linux64.h
View file

@ -1,6 +1,6 @@
/* Definitions of target machine for GNU compiler,
for 64 bit PowerPC linux.
Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005
Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006
Free Software Foundation, Inc.
This file is part of GCC.
@ -567,3 +567,5 @@ while (0)
ppc64 glibc provides it at -0x7010(13). */
#define TARGET_THREAD_SSP_OFFSET (TARGET_64BIT ? -0x7010 : -0x7008)
#endif
#define POWERPC_LINUX

3
gcc/config/rs6000/ppc64-fp.c
View file

@ -2,7 +2,7 @@
libgcc2.c with macros expanded to force the use of specific types.
Copyright (C) 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
2000, 2001, 2002, 2003, 2004, 2006 Free Software Foundation, Inc.
This file is part of GCC.
@ -31,6 +31,7 @@ Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA. */
#if defined(__powerpc64__)
#define TMODES
#include "config/fp-bit.h"
extern DItype __fixtfdi (TFtype);

109
gcc/config/rs6000/rs6000.c
View file

@ -155,10 +155,13 @@ enum rs6000_nop_insertion rs6000_sched_insert_nops;
/* Support targetm.vectorize.builtin_mask_for_load. */
static GTY(()) tree altivec_builtin_mask_for_load;
/* Size of long double */
/* Size of long double. */
int rs6000_long_double_type_size;
/* Whether -mabi=altivec has appeared */
/* IEEE quad extended precision long double. */
int rs6000_ieeequad;
/* Whether -mabi=altivec has appeared. */
int rs6000_altivec_abi;
/* Nonzero if we want SPE ABI extensions. */
@ -1297,6 +1300,11 @@ rs6000_override_options (const char *default_cpu)
if (!rs6000_explicit_options.long_double)
rs6000_long_double_type_size = RS6000_DEFAULT_LONG_DOUBLE_SIZE;
#ifndef POWERPC_LINUX
if (!rs6000_explicit_options.abi)
rs6000_ieeequad = 1;
#endif
/* Set Altivec ABI as default for powerpc64 linux. */
if (TARGET_ELF && TARGET_64BIT)
{
@ -1410,8 +1418,7 @@ rs6000_override_options (const char *default_cpu)
if (!rs6000_explicit_options.aix_struct_ret)
aix_struct_return = (DEFAULT_ABI != ABI_V4 || DRAFT_V4_STRUCT_RET);
if (TARGET_LONG_DOUBLE_128
&& (DEFAULT_ABI == ABI_AIX || DEFAULT_ABI == ABI_DARWIN))
if (TARGET_LONG_DOUBLE_128 && !TARGET_IEEEQUAD)
REAL_MODE_FORMAT (TFmode) = &ibm_extended_format;
if (TARGET_TOC)
@ -1780,6 +1787,17 @@ rs6000_handle_option (size_t code, const char *arg, int value)
warning (0, "Using old darwin ABI");
}
else if (! strcmp (arg, "ibmlongdouble"))
{
rs6000_ieeequad = 0;
warning (0, "Using IBM extended precision long double");
}
else if (! strcmp (arg, "ieeelongdouble"))
{
rs6000_ieeequad = 1;
warning (0, "Using IEEE extended precision long double");
}
else
{
error ("unknown ABI specified: '%s'", arg);
@ -3902,7 +3920,7 @@ rs6000_emit_move (rtx dest, rtx source, enum machine_mode mode)
/* 128-bit constant floating-point values on Darwin should really be
loaded as two parts. */
if ((DEFAULT_ABI == ABI_AIX || DEFAULT_ABI == ABI_DARWIN)
if (!TARGET_IEEEQUAD
&& TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_LONG_DOUBLE_128
&& mode == TFmode && GET_CODE (operands[1]) == CONST_DOUBLE)
{
@ -4227,7 +4245,7 @@ rs6000_return_in_memory (tree type, tree fntype ATTRIBUTE_UNUSED)
return true;
}
if (DEFAULT_ABI == ABI_V4 && TYPE_MODE (type) == TFmode)
if (DEFAULT_ABI == ABI_V4 && TARGET_IEEEQUAD && TYPE_MODE (type) == TFmode)
return true;
return false;
@ -4614,13 +4632,15 @@ function_arg_advance (CUMULATIVE_ARGS *cum, enum machine_mode mode,
else if (DEFAULT_ABI == ABI_V4)
{
if (TARGET_HARD_FLOAT && TARGET_FPRS
&& (mode == SFmode || mode == DFmode))
&& (mode == SFmode || mode == DFmode
|| (mode == TFmode && !TARGET_IEEEQUAD)))
{
if (cum->fregno <= FP_ARG_V4_MAX_REG)
cum->fregno++;
if (cum->fregno + (mode == TFmode ? 1 : 0) <= FP_ARG_V4_MAX_REG)
cum->fregno += (GET_MODE_SIZE (mode) + 7) >> 3;
else
{
if (mode == DFmode)
cum->fregno = FP_ARG_V4_MAX_REG + 1;
if (mode == DFmode || mode == TFmode)
cum->words += cum->words & 1;
cum->words += rs6000_arg_size (mode, type);
}
@ -5146,9 +5166,10 @@ function_arg (CUMULATIVE_ARGS *cum, enum machine_mode mode,
else if (abi == ABI_V4)
{
if (TARGET_HARD_FLOAT && TARGET_FPRS
&& (mode == SFmode || mode == DFmode))
&& (mode == SFmode || mode == DFmode
|| (mode == TFmode && !TARGET_IEEEQUAD)))
{
if (cum->fregno <= FP_ARG_V4_MAX_REG)
if (cum->fregno + (mode == TFmode ? 1 : 0) <= FP_ARG_V4_MAX_REG)
return gen_rtx_REG (mode, cum->fregno);
else
return NULL_RTX;
@ -5351,7 +5372,7 @@ rs6000_pass_by_reference (CUMULATIVE_ARGS *cum ATTRIBUTE_UNUSED,
enum machine_mode mode, tree type,
bool named ATTRIBUTE_UNUSED)
{
if (DEFAULT_ABI == ABI_V4 && mode == TFmode)
if (DEFAULT_ABI == ABI_V4 && TARGET_IEEEQUAD && mode == TFmode)
{
if (TARGET_DEBUG_ARG)
fprintf (stderr, "function_arg_pass_by_reference: V4 long double\n");
@ -5802,14 +5823,16 @@ rs6000_gimplify_va_arg (tree valist, tree type, tree *pre_p, tree *post_p)
align = 1;
if (TARGET_HARD_FLOAT && TARGET_FPRS
&& (TYPE_MODE (type) == SFmode || TYPE_MODE (type) == DFmode))
&& (TYPE_MODE (type) == SFmode
|| TYPE_MODE (type) == DFmode
|| TYPE_MODE (type) == TFmode))
{
/* FP args go in FP registers, if present. */
reg = fpr;
n_reg = 1;
n_reg = (size + 7) / 8;
sav_ofs = 8*4;
sav_scale = 8;
if (TYPE_MODE (type) == DFmode)
if (TYPE_MODE (type) != SFmode)
align = 8;
}
else
@ -5841,7 +5864,7 @@ rs6000_gimplify_va_arg (tree valist, tree type, tree *pre_p, tree *post_p)
As are any other 2 gpr item such as complex int due to a
historical mistake. */
u = reg;
if (n_reg == 2)
if (n_reg == 2 && reg == gpr)
{
u = build2 (BIT_AND_EXPR, TREE_TYPE (reg), reg,
size_int (n_reg - 1));
@ -9047,33 +9070,32 @@ rs6000_init_libfuncs (void)
if (!TARGET_HARD_FLOAT)
return;
if (DEFAULT_ABI != ABI_V4)
if (DEFAULT_ABI != ABI_V4 && TARGET_XCOFF
&& !TARGET_POWER2 && !TARGET_POWERPC)
{
if (TARGET_XCOFF && ! TARGET_POWER2 && ! TARGET_POWERPC)
{
/* AIX library routines for float->int conversion. */
set_conv_libfunc (sfix_optab, SImode, DFmode, "__itrunc");
set_conv_libfunc (ufix_optab, SImode, DFmode, "__uitrunc");
set_conv_libfunc (sfix_optab, SImode, TFmode, "_qitrunc");
set_conv_libfunc (ufix_optab, SImode, TFmode, "_quitrunc");
}
/* AIX/Darwin/64-bit Linux quad floating point routines. */
if (!TARGET_XL_COMPAT)
{
set_optab_libfunc (add_optab, TFmode, "__gcc_qadd");
set_optab_libfunc (sub_optab, TFmode, "__gcc_qsub");
set_optab_libfunc (smul_optab, TFmode, "__gcc_qmul");
set_optab_libfunc (sdiv_optab, TFmode, "__gcc_qdiv");
}
else
{
set_optab_libfunc (add_optab, TFmode, "_xlqadd");
set_optab_libfunc (sub_optab, TFmode, "_xlqsub");
set_optab_libfunc (smul_optab, TFmode, "_xlqmul");
set_optab_libfunc (sdiv_optab, TFmode, "_xlqdiv");
}
/* AIX library routines for float->int conversion. */
set_conv_libfunc (sfix_optab, SImode, DFmode, "__itrunc");
set_conv_libfunc (ufix_optab, SImode, DFmode, "__uitrunc");
set_conv_libfunc (sfix_optab, SImode, TFmode, "_qitrunc");
set_conv_libfunc (ufix_optab, SImode, TFmode, "_quitrunc");
}
if (!TARGET_IEEEQUAD)
/* AIX/Darwin/64-bit Linux quad floating point routines. */
if (!TARGET_XL_COMPAT)
{
set_optab_libfunc (add_optab, TFmode, "__gcc_qadd");
set_optab_libfunc (sub_optab, TFmode, "__gcc_qsub");
set_optab_libfunc (smul_optab, TFmode, "__gcc_qmul");
set_optab_libfunc (sdiv_optab, TFmode, "__gcc_qdiv");
}
else
{
set_optab_libfunc (add_optab, TFmode, "_xlqadd");
set_optab_libfunc (sub_optab, TFmode, "_xlqsub");
set_optab_libfunc (smul_optab, TFmode, "_xlqmul");
set_optab_libfunc (sdiv_optab, TFmode, "_xlqdiv");
}
else
{
/* 32-bit SVR4 quad floating point routines. */
@ -11108,7 +11130,7 @@ rs6000_generate_compare (enum rtx_code code)
CLOBBERs to match cmptf_internal2 pattern. */
if (comp_mode == CCFPmode && TARGET_XL_COMPAT
&& GET_MODE (rs6000_compare_op0) == TFmode
&& (DEFAULT_ABI == ABI_AIX || DEFAULT_ABI == ABI_DARWIN)
&& !TARGET_IEEEQUAD
&& TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_LONG_DOUBLE_128)
emit_insn (gen_rtx_PARALLEL (VOIDmode,
gen_rtvec (9,
@ -19027,6 +19049,7 @@ rs6000_function_value (tree valtype, tree func ATTRIBUTE_UNUSED)
GP_ARG_RETURN + 3),
GEN_INT (12))));
}
if ((INTEGRAL_TYPE_P (valtype)
&& TYPE_PRECISION (valtype) < BITS_PER_WORD)
|| POINTER_TYPE_P (valtype))

9
gcc/config/rs6000/rs6000.h
View file

@ -1,6 +1,7 @@
/* Definitions of target machine for GNU compiler, for IBM RS/6000.
Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
2000, 2001, 2002, 2003, 2004, 2005, 2006
Free Software Foundation, Inc.
Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
This file is part of GCC.
@ -291,6 +292,7 @@ extern const char *rs6000_traceback_name; /* Type of traceback table. */
/* These are separate from target_flags because we've run out of bits
there. */
extern int rs6000_long_double_type_size;
extern int rs6000_ieeequad;
extern int rs6000_altivec_abi;
extern int rs6000_spe_abi;
extern int rs6000_float_gprs;
@ -316,6 +318,7 @@ extern enum rs6000_nop_insertion rs6000_sched_insert_nops;
#endif
#define TARGET_LONG_DOUBLE_128 (rs6000_long_double_type_size == 128)
#define TARGET_IEEEQUAD rs6000_ieeequad
#define TARGET_ALTIVEC_ABI rs6000_altivec_abi
#define TARGET_SPE_ABI 0
@ -1214,8 +1217,8 @@ enum reg_class
/* Return a class of registers that cannot change FROM mode to TO mode. */
#define CANNOT_CHANGE_MODE_CLASS(FROM, TO, CLASS) \
(((DEFAULT_ABI == ABI_AIX || DEFAULT_ABI == ABI_DARWIN) \
&& GET_MODE_SIZE (FROM) >= 8 && GET_MODE_SIZE (TO) >= 8) \
(!TARGET_IEEEQUAD \
&& GET_MODE_SIZE (FROM) >= 8 && GET_MODE_SIZE (TO) >= 8 \
? 0 \
: GET_MODE_SIZE (FROM) != GET_MODE_SIZE (TO) \
? reg_classes_intersect_p (FLOAT_REGS, CLASS) \

39
gcc/config/rs6000/rs6000.md
View file

@ -1,6 +1,7 @@
;; Machine description for IBM RISC System 6000 (POWER) for GNU C compiler
;; Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
;; 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
;; 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
;; Free Software Foundation, Inc.
;; Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
;; This file is part of GCC.
@ -151,7 +152,7 @@
; Any hardware-supported floating-point mode
(define_mode_macro FP [(SF "TARGET_HARD_FLOAT")
(DF "TARGET_HARD_FLOAT && (TARGET_FPRS || TARGET_E500_DOUBLE)")
(TF "(DEFAULT_ABI == ABI_AIX || DEFAULT_ABI == ABI_DARWIN)
(TF "!TARGET_IEEEQUAD
&& TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_LONG_DOUBLE_128")])
; Various instructions that come in SI and DI forms.
@ -8249,7 +8250,7 @@
(define_expand "movtf"
[(set (match_operand:TF 0 "general_operand" "")
(match_operand:TF 1 "any_operand" ""))]
"(DEFAULT_ABI == ABI_AIX || DEFAULT_ABI == ABI_DARWIN)
"!TARGET_IEEEQUAD
&& TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_LONG_DOUBLE_128"
"{ rs6000_emit_move (operands[0], operands[1], TFmode); DONE; }")
@ -8259,7 +8260,7 @@
(define_insn_and_split "*movtf_internal"
[(set (match_operand:TF 0 "nonimmediate_operand" "=o,f,f,r,Y,r")
(match_operand:TF 1 "input_operand" "f,o,f,YGHF,r,r"))]
"(DEFAULT_ABI == ABI_AIX || DEFAULT_ABI == ABI_DARWIN)
"!TARGET_IEEEQUAD
&& TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_LONG_DOUBLE_128
&& (gpc_reg_operand (operands[0], TFmode)
|| gpc_reg_operand (operands[1], TFmode))"
@ -8273,7 +8274,7 @@
[(parallel [(set (match_operand:TF 0 "nonimmediate_operand" "")
(float_extend:TF (match_operand:DF 1 "input_operand" "")))
(use (match_dup 2))])]
"(DEFAULT_ABI == ABI_AIX || DEFAULT_ABI == ABI_DARWIN)
"!TARGET_IEEEQUAD
&& TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_LONG_DOUBLE_128"
{
operands[2] = CONST0_RTX (DFmode);
@ -8283,7 +8284,7 @@
[(set (match_operand:TF 0 "nonimmediate_operand" "=o,f,&f,r")
(float_extend:TF (match_operand:DF 1 "input_operand" "fr,mf,mf,rmGHF")))
(use (match_operand:DF 2 "zero_reg_mem_operand" "rf,m,f,n"))]
"(DEFAULT_ABI == ABI_AIX || DEFAULT_ABI == ABI_DARWIN)
"!TARGET_IEEEQUAD
&& TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_LONG_DOUBLE_128"
"#"
"&& reload_completed"
@ -8301,7 +8302,7 @@
(define_expand "extendsftf2"
[(set (match_operand:TF 0 "nonimmediate_operand" "")
(float_extend:TF (match_operand:SF 1 "gpc_reg_operand" "")))]
"(DEFAULT_ABI == ABI_AIX || DEFAULT_ABI == ABI_DARWIN)
"!TARGET_IEEEQUAD
&& TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_LONG_DOUBLE_128"
{
rtx tmp = gen_reg_rtx (DFmode);
@ -8313,14 +8314,14 @@
(define_expand "trunctfdf2"
[(set (match_operand:DF 0 "gpc_reg_operand" "")
(float_truncate:DF (match_operand:TF 1 "gpc_reg_operand" "")))]
"(DEFAULT_ABI == ABI_AIX || DEFAULT_ABI == ABI_DARWIN)
"!TARGET_IEEEQUAD
&& TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_LONG_DOUBLE_128"
"")
(define_insn_and_split "trunctfdf2_internal1"
[(set (match_operand:DF 0 "gpc_reg_operand" "=f,?f")
(float_truncate:DF (match_operand:TF 1 "gpc_reg_operand" "0,f")))]
"(DEFAULT_ABI == ABI_AIX || DEFAULT_ABI == ABI_DARWIN) && !TARGET_XL_COMPAT
"!TARGET_IEEEQUAD && !TARGET_XL_COMPAT
&& TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_LONG_DOUBLE_128"
"@
#
@ -8336,7 +8337,7 @@
(define_insn "trunctfdf2_internal2"
[(set (match_operand:DF 0 "gpc_reg_operand" "=f")
(float_truncate:DF (match_operand:TF 1 "gpc_reg_operand" "f")))]
"(DEFAULT_ABI == ABI_AIX || DEFAULT_ABI == ABI_DARWIN) && TARGET_XL_COMPAT
"!TARGET_IEEEQUAD && TARGET_XL_COMPAT
&& TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_LONG_DOUBLE_128"
"fadd %0,%1,%L1"
[(set_attr "type" "fp")])
@ -8345,7 +8346,7 @@
[(set (match_operand:SF 0 "gpc_reg_operand" "=f")
(float_truncate:SF (match_operand:TF 1 "gpc_reg_operand" "f")))
(clobber (match_scratch:DF 2 "=f"))]
"(DEFAULT_ABI == ABI_AIX || DEFAULT_ABI == ABI_DARWIN)
"!TARGET_IEEEQUAD
&& TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_LONG_DOUBLE_128"
"#"
"&& reload_completed"
@ -8358,7 +8359,7 @@
(define_expand "floatsitf2"
[(set (match_operand:TF 0 "gpc_reg_operand" "=f")
(float:TF (match_operand:SI 1 "gpc_reg_operand" "r")))]
"(DEFAULT_ABI == ABI_AIX || DEFAULT_ABI == ABI_DARWIN)
"!TARGET_IEEEQUAD
&& TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_LONG_DOUBLE_128"
{
rtx tmp = gen_reg_rtx (DFmode);
@ -8386,7 +8387,7 @@
(clobber (match_dup 3))
(clobber (match_dup 4))
(clobber (match_dup 5))])]
"(DEFAULT_ABI == ABI_AIX || DEFAULT_ABI == ABI_DARWIN)
"!TARGET_IEEEQUAD
&& (TARGET_POWER2 || TARGET_POWERPC)
&& TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_LONG_DOUBLE_128"
{
@ -8403,7 +8404,7 @@
(clobber (match_operand:DF 3 "gpc_reg_operand" "=&f"))
(clobber (match_operand:DI 4 "gpc_reg_operand" "=f"))
(clobber (match_operand:DI 5 "memory_operand" "=o"))]
"(DEFAULT_ABI == ABI_AIX || DEFAULT_ABI == ABI_DARWIN)
"!TARGET_IEEEQUAD
&& TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_LONG_DOUBLE_128"
"#"
"&& (!no_new_pseudos || offsettable_nonstrict_memref_p (operands[5]))"
@ -8424,7 +8425,7 @@
(define_insn "negtf2"
[(set (match_operand:TF 0 "gpc_reg_operand" "=f")
(neg:TF (match_operand:TF 1 "gpc_reg_operand" "f")))]
"(DEFAULT_ABI == ABI_AIX || DEFAULT_ABI == ABI_DARWIN)
"!TARGET_IEEEQUAD
&& TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_LONG_DOUBLE_128"
"*
{
@ -8439,7 +8440,7 @@
(define_expand "abstf2"
[(set (match_operand:TF 0 "gpc_reg_operand" "=f")
(abs:TF (match_operand:TF 1 "gpc_reg_operand" "f")))]
"(DEFAULT_ABI == ABI_AIX || DEFAULT_ABI == ABI_DARWIN)
"!TARGET_IEEEQUAD
&& TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_LONG_DOUBLE_128"
"
{
@ -8459,7 +8460,7 @@
(label_ref (match_operand 2 "" ""))
(pc)))
(set (match_dup 6) (neg:DF (match_dup 6)))]
"(DEFAULT_ABI == ABI_AIX || DEFAULT_ABI == ABI_DARWIN)
"!TARGET_IEEEQUAD
&& TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_LONG_DOUBLE_128"
"
{
@ -11398,7 +11399,7 @@
[(set (match_operand:CCFP 0 "cc_reg_operand" "=y")
(compare:CCFP (match_operand:TF 1 "gpc_reg_operand" "f")
(match_operand:TF 2 "gpc_reg_operand" "f")))]
"(DEFAULT_ABI == ABI_AIX || DEFAULT_ABI == ABI_DARWIN) && !TARGET_XL_COMPAT
"!TARGET_IEEEQUAD && !TARGET_XL_COMPAT
&& TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_LONG_DOUBLE_128"
"fcmpu %0,%1,%2\;bne %0,$+8\;fcmpu %0,%L1,%L2"
[(set_attr "type" "fpcompare")
@ -11416,7 +11417,7 @@
(clobber (match_scratch:DF 8 "=f"))
(clobber (match_scratch:DF 9 "=f"))
(clobber (match_scratch:DF 10 "=f"))]
"(DEFAULT_ABI == ABI_AIX || DEFAULT_ABI == ABI_DARWIN) && TARGET_XL_COMPAT
"!TARGET_IEEEQUAD && TARGET_XL_COMPAT
&& TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_LONG_DOUBLE_128"
"#"
"&& reload_completed"

9
gcc/config/rs6000/sysv4.h
View file

@ -1,6 +1,6 @@
/* Target definitions for GNU compiler for PowerPC running System V.4
Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
2004, 2005 Free Software Foundation, Inc.
2004, 2005, 2006 Free Software Foundation, Inc.
Contributed by Cygnus Support.
This file is part of GCC.
@ -215,6 +215,13 @@ do { \
error ("-msecure-plt not supported by your assembler"); \
} \
\
if (TARGET_SOFT_FLOAT && TARGET_LONG_DOUBLE_128) \
{ \
rs6000_long_double_type_size = 64; \
if (rs6000_explicit_options.long_double) \
warning (0, "soft-float and long-double-128 are incompatible"); \
} \
\
/* Treat -fPIC the same as -mrelocatable. */ \
if (flag_pic > 1 && DEFAULT_ABI != ABI_AIX) \
target_flags |= MASK_RELOCATABLE | MASK_MINIMAL_TOC | MASK_NO_FP_IN_TOC; \

14
gcc/config/rs6000/t-linux64
View file

@ -4,9 +4,7 @@
LIB2FUNCS_EXTRA = tramp.S $(srcdir)/config/rs6000/ppc64-fp.c \
$(srcdir)/config/rs6000/darwin-ldouble.c
TARGET_LIBGCC2_CFLAGS = -mno-minimal-toc -fPIC -specs=bispecs
SHLIB_MAPFILES += $(srcdir)/config/rs6000/libgcc-ppc64.ver
TARGET_LIBGCC2_CFLAGS += -mno-minimal-toc
MULTILIB_OPTIONS = m64/m32 msoft-float
MULTILIB_DIRNAMES = 64 32 nof
@ -32,13 +30,3 @@ fp-bit32.c: $(srcdir)/config/fp-bit.c
echo '#define FLOAT'; \
cat $(srcdir)/config/fp-bit.c; \
echo '#endif' ) > fp-bit32.c
# Hack to use -mlong-double-128 just for compiling 64 bit libgcc
mklibgcc: bispecs
bispecs: specs
if [ x`$(GCC_FOR_TARGET) -print-multi-os-directory` = x../lib ]; then \
sed -e '/cc1_options/{ n; s/$$/ %{m64:-mlong-double-128}/; }' < specs > $@; \
else \
sed -e '/cc1_options/{ n; s/$$/ %{!m32:-mlong-double-128}/; }' < specs > $@; \
fi

14
gcc/config/rs6000/t-ppccomm
View file

@ -1,6 +1,6 @@
# Common support for PowerPC ELF targets (both EABI and SVR4).
LIB2FUNCS_EXTRA = tramp.S
LIB2FUNCS_EXTRA = tramp.S $(srcdir)/config/rs6000/darwin-ldouble.c
# This one can't end up in shared libgcc
LIB2FUNCS_STATIC_EXTRA = eabi.S
@ -11,6 +11,18 @@ eabi.S: $(srcdir)/config/rs6000/eabi.asm
tramp.S: $(srcdir)/config/rs6000/tramp.asm
cat $(srcdir)/config/rs6000/tramp.asm > tramp.S
ifneq (,$findstring gnu,$(target))
TARGET_LIBGCC2_CFLAGS += -specs=ldblspecs
SHLIB_MAPFILES += $(srcdir)/config/rs6000/libgcc-ppc-glibc.ver
# Hack to use -mlong-double-128 only when not compiling nof libgcc
mklibgcc: ldblspecs
ldblspecs: specs
sed -e '/cc1_options/{ n; s/$$/ %{!msoft-float:-mlong-double-128}/; }' < specs > $@
endif
# Switch synonyms
MULTILIB_MATCHES_ENDIAN = mlittle=mlittle-endian mbig=mbig-endian
MULTILIB_MATCHES_SYSV = mcall-sysv=mcall-sysv-eabi mcall-sysv=mcall-sysv-noeabi mcall-sysv=mcall-linux mcall-sysv=mcall-netbsd

32
gcc/doc/invoke.texi
View file

@ -11118,16 +11118,6 @@ enhancements.
@opindex mno-vrsave
Generate VRSAVE instructions when generating AltiVec code.
@item -mabi=spe
@opindex mabi=spe
Extend the current ABI with SPE ABI extensions. This does not change
the default ABI, instead it adds the SPE ABI extensions to the current
ABI@.
@item -mabi=no-spe
@opindex mabi=no-spe
Disable Booke SPE ABI extensions for the current ABI@.
@item -msecure-plt
@opindex msecure-plt
Generate code that allows ld and ld.so to build executables and shared
@ -11490,7 +11480,27 @@ SVR4 ABI)@.
@opindex mabi
Extend the current ABI with a particular extension, or remove such extension.
Valid values are @var{altivec}, @var{no-altivec}, @var{spe},
@var{no-spe}@.
@var{no-spe}, @var{ibmlongdouble}, @var{ieeelongdouble}@.
@item -mabi=spe
@opindex mabi=spe
Extend the current ABI with SPE ABI extensions. This does not change
the default ABI, instead it adds the SPE ABI extensions to the current
ABI@.
@item -mabi=no-spe
@opindex mabi=no-spe
Disable Booke SPE ABI extensions for the current ABI@.
@item -mabi=ibmlongdouble
@opindex mabi=ibmlongdouble
Change the current ABI to use IBM extended precision long double.
This is a PowerPC 32-bit SYSV ABI option.
@item -mabi=ieeelongdouble
@opindex mabi=ieeelongdouble
Change the current ABI to use IEEE extended precision long double.
This is a PowerPC 32-bit Linux ABI option.
@item -mprototype
@itemx -mno-prototype

6
gcc/libgcc-std.ver
View file

@ -253,7 +253,11 @@ GCC_4.0.0 {
__multc3
}
%inherit GCC_4.2.0 GCC_4.0.0
%inherit GCC_4.1.0 GCC_4.0.0
GCC_4.1.0 {
}
%inherit GCC_4.2.0 GCC_4.1.0
GCC_4.2.0 {
# unsigned-to-floating conversions
__floatunsisf

8
gcc/mklibgcc.in
View file

@ -1,6 +1,7 @@
#!/bin/sh
# Construct makefile for libgcc.
# Copyright (C) 2000, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
# Copyright (C) 2000, 2002, 2003, 2004, 2005, 2006
# Free Software Foundation, Inc.
#
# This file is part of GCC.
@ -332,6 +333,11 @@ for ml in $MULTILIBS; do
if [ "$fpbit" ] ; then
for name in $fpfuncs; do
case "$name" in
# _sf_to_tf and _df_to_tf require tp-bit.c
# being compiled in.
_[sd]f_to_tf) [ -z "$TPBIT" ] && continue;;
esac
if [ "$libgcc_s_so" ]; then
out="libgcc/${dir}/${name}${objext}"
outS="libgcc/${dir}/${name}_s${objext}"