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re PR target/36669 (Wrong versioning for __float128)

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gcc/

2008-07-02  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/36669
	* config/libgcc-glibc.ver: Add %exclude.
	* config/m32r/libgcc-glibc.ver: Likwise.
	* config/s390/libgcc-glibc.ver: Likwise.
	* config/sh/libgcc-glibc.ver: Likwise.
	* config/sparc/libgcc-sparc-glibc.ver: Likwise.

	* config/i386/libgcc-glibc.ver: New.

	* config/i386/libgcc-x86_64-glibc.ver: Removed.

2008-07-02  H.J. Lu  <hongjiu.lu@intel.com>

	* config.gcc: Remove i386/t-fprules-softfp64 soft-fp/t-softfp
	from tmake_file from i[34567]86-*-darwin*, x86_64-*-darwin*,
	i[34567]86-*-linux*, x86_64-*-linux*.  Add
	i386/t-fprules-softfp and soft-fp/t-softfp to tmake_file for
	i[34567]86-*-darwin*, x86_64-*-darwin*, i[34567]86-*-linux*,
	x86_64-*-linux*.  Add i386/t-linux to tmake_file for
	i[34567]86-*-linux*, x86_64-*-linux*.

	* libgcc-std.ver: Add empty GCC_4.4.0.

	* mkmap-symver.awk: Support multiple versions per symbol.

	* config/i386/i386.c (ix86_init_builtins): Always define
	__builtin_fabsq and __builtin_copysignq with fallbacks.
	(ix86_expand_builtin): Emit normal call for __builtin_fabsq
	and __builtin_copysignq if SSE2 isn't available.

	* config/i386/linux.h (LIBGCC2_HAS_TF_MODE): Defined.
	(LIBGCC2_TF_CEXT): Likwise.
	(TF_SIZE): Likwise.

	* config/i386/linux64.h (LIBGCC2_HAS_TF_MODE): Defined as 1.

	* config/i386/sfp-machine.h: Moved to libgcc.

	* config/i386/sfp-machine.h: New.
	* config/i386/t-linux: Likwise.

	* config/i386/t-darwin: Remove softfp_wrap_start and
	softfp_wrap_end.
	* config/i386/t-darwin64: Likewise.

	* config/i386/t-fprules-softfp64: Renamed to ...
	* config/i386/t-fprules-softfp: This.

	* config/i386/t-linux64: Remove SHLIB_MAPFILES, softfp_wrap_start
	and softfp_wrap_end.

libgcc/

2008-07-02  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/36669
	* shared-object.mk ($(base)_s$(objext)): Add -DSHARED.

	* config/i386/64/_divtc3-compat.c: New.
	* config/i386/64/_multc3-compat.c: Likewise.
	* config/i386/64/_powitf2-compat.c: Likewise.
	* config/i386/64/eqtf2.c: Likewise.
	* config/i386/64/getf2.c: Likewise.
	* config/i386/64/letf2.c: Likewise.
	* config/i386/64/t-fprules-softfp: Likewise.

2008-07-02  H.J. Lu  <hongjiu.lu@intel.com>

	* config.host: Add i386/${host_address}/t-fprules-softfp to
	tmake_file for i[34567]86-*-darwin*, x86_64-*-darwin*,
	i[34567]86-*-linux*, x86_64-*-linux*. 

	* configure.ac: Set host_address to 64 or 32 for x86.
	* configure: Regenerated.

	* Makefile.in (config.status): Also depend on
	$(srcdir)/config.host.

	* config/i386/32/t-fprules-softfp: New.
	* config/i386/32/tf-signs.c: Likewise.

	* config/i386/64/sfp-machine.h: New. Moved from gcc.

2008-07-02  H.J. Lu  <hongjiu.lu@intel.com>
	    Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/32/sfp-machine.h: New.

Co-Authored-By: Uros Bizjak <ubizjak@gmail.com>

From-SVN: r137369
This commit is contained in:
H.J. Lu 2008-07-02 15:59:19 +00:00 committed by H.J. Lu
parent b12285bdfc
commit ff47328005
36 changed files with 869 additions and 177 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

53
gcc/ChangeLog
View File

@ -1,3 +1,56 @@
2008-07-02 H.J. Lu <hongjiu.lu@intel.com>
PR target/36669
* config/libgcc-glibc.ver: Add %exclude.
* config/m32r/libgcc-glibc.ver: Likwise.
* config/s390/libgcc-glibc.ver: Likwise.
* config/sh/libgcc-glibc.ver: Likwise.
* config/sparc/libgcc-sparc-glibc.ver: Likwise.
* config/i386/libgcc-glibc.ver: New.
* config/i386/libgcc-x86_64-glibc.ver: Removed.
2008-07-02 H.J. Lu <hongjiu.lu@intel.com>
* config.gcc: Remove i386/t-fprules-softfp64 soft-fp/t-softfp
from tmake_file from i[34567]86-*-darwin*, x86_64-*-darwin*,
i[34567]86-*-linux*, x86_64-*-linux*. Add
i386/t-fprules-softfp and soft-fp/t-softfp to tmake_file for
i[34567]86-*-darwin*, x86_64-*-darwin*, i[34567]86-*-linux*,
x86_64-*-linux*. Add i386/t-linux to tmake_file for
i[34567]86-*-linux*, x86_64-*-linux*.
* libgcc-std.ver: Add empty GCC_4.4.0.
* mkmap-symver.awk: Support multiple versions per symbol.
* config/i386/i386.c (ix86_init_builtins): Always define
__builtin_fabsq and __builtin_copysignq with fallbacks.
(ix86_expand_builtin): Emit normal call for __builtin_fabsq
and __builtin_copysignq if SSE2 isn't available.
* config/i386/linux.h (LIBGCC2_HAS_TF_MODE): Defined.
(LIBGCC2_TF_CEXT): Likwise.
(TF_SIZE): Likwise.
* config/i386/linux64.h (LIBGCC2_HAS_TF_MODE): Defined as 1.
* config/i386/sfp-machine.h: Moved to libgcc.
* config/i386/sfp-machine.h: New.
* config/i386/t-linux: Likwise.
* config/i386/t-darwin: Remove softfp_wrap_start and
softfp_wrap_end.
* config/i386/t-darwin64: Likewise.
* config/i386/t-fprules-softfp64: Renamed to ...
* config/i386/t-fprules-softfp: This.
* config/i386/t-linux64: Remove SHLIB_MAPFILES, softfp_wrap_start
and softfp_wrap_end.
2008-07-02 Jason Merrill <jason@redhat.com>
* tree.c (ctor_to_list): New fn.

15
gcc/config.gcc
View File

@ -1006,11 +1006,11 @@ i[34567]86-*-darwin*)
# then this file using that to set --with-cpu=i386 which has no -m64
# support.
with_cpu=${with_cpu:-generic}
tmake_file="${tmake_file} i386/t-fprules-softfp64 soft-fp/t-softfp i386/t-crtpc i386/t-crtfm"
tmake_file="${tmake_file} i386/t-crtpc i386/t-crtfm"
;;
x86_64-*-darwin*)
with_cpu=${with_cpu:-generic}
tmake_file="t-darwin ${cpu_type}/t-darwin64 t-slibgcc-darwin i386/t-fprules-softfp64 soft-fp/t-softfp i386/t-crtpc i386/t-crtfm"
tmake_file="t-darwin ${cpu_type}/t-darwin64 t-slibgcc-darwin i386/t-crtpc i386/t-crtfm"
tm_file="${tm_file} ${cpu_type}/darwin64.h"
;;
i[34567]86-*-elf*)
@ -1069,7 +1069,7 @@ i[34567]86-*-linux* | i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu)
if test x$enable_targets = xall; then
tm_file="${tm_file} i386/x86-64.h i386/linux64.h"
tm_defines="${tm_defines} TARGET_BI_ARCH=1"
tmake_file="${tmake_file} i386/t-linux64 i386/t-fprules-softfp64 soft-fp/t-softfp"
tmake_file="${tmake_file} i386/t-linux64"
need_64bit_hwint=yes
case X"${with_cpu}" in
Xgeneric|Xcore2|Xnocona|Xx86-64|Xamdfam10|Xbarcelona|Xk8|Xopteron|Xathlon64|Xathlon-fx)
@ -1101,7 +1101,7 @@ x86_64-*-linux* | x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu)
x86_64-*-kfreebsd*-gnu) tm_file="${tm_file} kfreebsd-gnu.h" ;;
x86_64-*-knetbsd*-gnu) tm_file="${tm_file} knetbsd-gnu.h" ;;
esac
tmake_file="${tmake_file} i386/t-linux64 i386/t-crtstuff i386/t-crtpc i386/t-crtfm i386/t-fprules-softfp64 soft-fp/t-softfp t-dfprules"
tmake_file="${tmake_file} i386/t-linux64 i386/t-crtstuff i386/t-crtpc i386/t-crtfm t-dfprules"
;;
i[34567]86-*-gnu*)
;;
@ -2973,6 +2973,13 @@ case ${target} in
fi
;;
i[34567]86-*-darwin* | x86_64-*-darwin*)
tmake_file="${tmake_file} i386/t-fprules-softfp soft-fp/t-softfp"
;;
i[34567]86-*-linux* | x86_64-*-linux*)
tmake_file="${tmake_file} i386/t-fprules-softfp soft-fp/t-softfp i386/t-linux"
;;
mips*-*-*)
if test x$gnu_ld = xyes
then

25
gcc/config/i386/i386.c
View File

@ -20247,16 +20247,26 @@ ix86_init_builtins (void)
NULL, NULL_TREE);
ix86_builtins[(int) IX86_BUILTIN_INFQ] = decl;
/* We will expand them to normal call if SSE2 isn't available since
they are used by libgcc. */
ftype = build_function_type_list (float128_type_node,
float128_type_node,
NULL_TREE);
def_builtin_const (OPTION_MASK_ISA_SSE2, "__builtin_fabsq", ftype, IX86_BUILTIN_FABSQ);
decl = add_builtin_function ("__builtin_fabsq", ftype,
IX86_BUILTIN_FABSQ, BUILT_IN_MD,
"__fabstf2", NULL_TREE);
ix86_builtins[(int) IX86_BUILTIN_FABSQ] = decl;
TREE_READONLY (decl) = 1;
ftype = build_function_type_list (float128_type_node,
float128_type_node,
float128_type_node,
NULL_TREE);
def_builtin_const (OPTION_MASK_ISA_SSE2, "__builtin_copysignq", ftype, IX86_BUILTIN_COPYSIGNQ);
decl = add_builtin_function ("__builtin_copysignq", ftype,
IX86_BUILTIN_COPYSIGNQ, BUILT_IN_MD,
"__copysigntf3", NULL_TREE);
ix86_builtins[(int) IX86_BUILTIN_COPYSIGNQ] = decl;
TREE_READONLY (decl) = 1;
if (TARGET_MMX)
ix86_init_mmx_sse_builtins ();
@ -21610,7 +21620,16 @@ ix86_expand_builtin (tree exp, rtx target, rtx subtarget ATTRIBUTE_UNUSED,
i < ARRAY_SIZE (bdesc_args);
i++, d++)
if (d->code == fcode)
return ix86_expand_args_builtin (d, exp, target);
switch (fcode)
{
case IX86_BUILTIN_FABSQ:
case IX86_BUILTIN_COPYSIGNQ:
if (!TARGET_SSE2)
/* Emit a normal call if SSE2 isn't available. */
return expand_call (exp, target, ignore);
default:
return ix86_expand_args_builtin (d, exp, target);
}
for (i = 0, d = bdesc_comi; i < ARRAY_SIZE (bdesc_comi); i++, d++)
if (d->code == fcode)

85
gcc/config/i386/libgcc-x86_64-glibc.ver → gcc/config/i386/libgcc-glibc.ver
View File

@ -5,6 +5,20 @@
# to defer implementation of these routines to libgcc.so via DT_AUXILIARY.
%ifndef __x86_64__
%exclude {
__divdi3
__moddi3
__udivdi3
__umoddi3
__register_frame
__register_frame_table
__deregister_frame
__register_frame_info
__deregister_frame_info
__frame_state_for
__register_frame_info_table
}
%inherit GCC_3.0 GLIBC_2.0
GLIBC_2.0 {
# Sampling of DImode arithmetic used by (at least) i386 and m68k.
@ -24,16 +38,18 @@ GLIBC_2.0 {
}
%endif
% 128 bit long double support was introduced with GCC 4.3.0.
% These lines make the symbols to get a @@GCC_4.3.0 attached.
# 128 bit long double support was introduced with GCC 4.3.0 to 64bit
# and with GCC 4.4.0 to 32bit. These lines make the symbols to get
# a @@GCC_4.3.0 or @@GCC_4.4.0 attached.
%ifdef __x86_64__
%exclude {
__addtf3
__divtc3
__divtf3
__eqtf2
__extenddftf2
__extendsftf2
__extendxftf2
__fixtfdi
__fixtfsi
__fixtfti
@ -47,21 +63,45 @@ GLIBC_2.0 {
__floatunsitf
__floatuntitf
__getf2
__gttf2
__letf2
__lttf2
__multc3
__multf3
__negtf2
__netf2
__powitf2
__subtf3
__trunctfdf2
__trunctfsf2
__trunctfxf2
__unordtf2
}
%ifdef __x86_64__
# Those symbols had improper versions when they were added to gcc 4.3.0.
# We corrected the default version to GCC_4.3.0. But we keep the old
# version for backward binary compatibility.
GCC_3.0 {
__gttf2
__lttf2
__netf2
}
GCC_4.0.0 {
__divtc3
__multc3
__powitf2
}
GCC_4.3.0 {
__addtf3
__divtc3
__divtf3
__eqtf2
__extenddftf2
__extendsftf2
__extendxftf2
__fixtfdi
__fixtfsi
__fixtfti
@ -75,12 +115,51 @@ GCC_4.3.0 {
__floatunsitf
__floatuntitf
__getf2
__gttf2
__letf2
__lttf2
__multc3
__multf3
__negtf2
__netf2
__powitf2
__subtf3
__trunctfdf2
__trunctfsf2
__trunctfxf2
__unordtf2
}
%else
GCC_4.4.0 {
__addtf3
__copysigntf3
__divtc3
__divtf3
__eqtf2
__extenddftf2
__extendsftf2
__fabstf2
__fixtfdi
__fixtfsi
__fixunstfdi
__fixunstfsi
__floatditf
__floatsitf
__floatunditf
__floatunsitf
__getf2
__gttf2
__letf2
__lttf2
__multc3
__multf3
__negtf2
__netf2
__powitf2
__subtf3
__trunctfdf2
__trunctfsf2
__trunctfxf2
__unordtf2
}
%endif

6
gcc/config/i386/linux.h
View File

@ -189,6 +189,12 @@ along with GCC; see the file COPYING3. If not see
: "=d"(BASE))
#endif
/* Put all *tf routines in libgcc. */
#undef LIBGCC2_HAS_TF_MODE
#define LIBGCC2_HAS_TF_MODE 1
#define LIBGCC2_TF_CEXT q
#define TF_SIZE 113
#undef NEED_INDICATE_EXEC_STACK
#define NEED_INDICATE_EXEC_STACK 1

2
gcc/config/i386/linux64.h
View File

@ -91,7 +91,7 @@ along with GCC; see the file COPYING3. If not see
/* Put all *tf routines in libgcc. */
#undef LIBGCC2_HAS_TF_MODE
#define LIBGCC2_HAS_TF_MODE TARGET_64BIT
#define LIBGCC2_HAS_TF_MODE 1
#define LIBGCC2_TF_CEXT q
#define TF_SIZE 113

144
gcc/config/i386/sfp-machine.h
View File

@ -1,143 +1,5 @@
#define _FP_W_TYPE_SIZE 64
#define _FP_W_TYPE unsigned long
#define _FP_WS_TYPE signed long
#define _FP_I_TYPE long
typedef int TItype __attribute__ ((mode (TI)));
typedef unsigned int UTItype __attribute__ ((mode (TI)));
#define TI_BITS (__CHAR_BIT__ * (int)sizeof(TItype))
/* The type of the result of a floating point comparison. This must
match `__libgcc_cmp_return__' in GCC for the target. */
typedef int __gcc_CMPtype __attribute__ ((mode (__libgcc_cmp_return__)));
#define CMPtype __gcc_CMPtype
#define _FP_MUL_MEAT_Q(R,X,Y) \
_FP_MUL_MEAT_2_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
#define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_2_udiv(Q,R,X,Y)
#define _FP_NANFRAC_S _FP_QNANBIT_S
#define _FP_NANFRAC_D _FP_QNANBIT_D
#define _FP_NANFRAC_E _FP_QNANBIT_E, 0
#define _FP_NANFRAC_Q _FP_QNANBIT_Q, 0
#define _FP_NANSIGN_S 1
#define _FP_NANSIGN_D 1
#define _FP_NANSIGN_E 1
#define _FP_NANSIGN_Q 1
#define _FP_KEEPNANFRACP 1
/* Here is something Intel misdesigned: the specs don't define
the case where we have two NaNs with same mantissas, but
different sign. Different operations pick up different NaNs. */
#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \
do { \
if (_FP_FRAC_GT_##wc(X, Y) \
|| (_FP_FRAC_EQ_##wc(X,Y) && (OP == '+' || OP == '*'))) \
{ \
R##_s = X##_s; \
_FP_FRAC_COPY_##wc(R,X); \
} \
else \
{ \
R##_s = Y##_s; \
_FP_FRAC_COPY_##wc(R,Y); \
} \
R##_c = FP_CLS_NAN; \
} while (0)
#define FP_EX_INVALID 0x01
#define FP_EX_DENORM 0x02
#define FP_EX_DIVZERO 0x04
#define FP_EX_OVERFLOW 0x08
#define FP_EX_UNDERFLOW 0x10
#define FP_EX_INEXACT 0x20
struct fenv
{
unsigned short int __control_word;
unsigned short int __unused1;
unsigned short int __status_word;
unsigned short int __unused2;
unsigned short int __tags;
unsigned short int __unused3;
unsigned int __eip;
unsigned short int __cs_selector;
unsigned int __opcode:11;
unsigned int __unused4:5;
unsigned int __data_offset;
unsigned short int __data_selector;
unsigned short int __unused5;
};
#define FP_HANDLE_EXCEPTIONS \
do { \
if (_fex & FP_EX_INVALID) \
{ \
float f = 0.0; \
__asm__ __volatile__ ("divss %0, %0 " : : "x" (f)); \
} \
if (_fex & FP_EX_DIVZERO) \
{ \
float f = 1.0, g = 0.0; \
__asm__ __volatile__ ("divss %1, %0" : : "x" (f), "x" (g)); \
} \
if (_fex & FP_EX_OVERFLOW) \
{ \
struct fenv temp; \
__asm__ __volatile__ ("fnstenv %0" : "=m" (temp)); \
temp.__status_word |= FP_EX_OVERFLOW; \
__asm__ __volatile__ ("fldenv %0" : : "m" (temp)); \
__asm__ __volatile__ ("fwait"); \
} \
if (_fex & FP_EX_UNDERFLOW) \
{ \
struct fenv temp; \
__asm__ __volatile__ ("fnstenv %0" : "=m" (temp)); \
temp.__status_word |= FP_EX_UNDERFLOW; \
__asm__ __volatile__ ("fldenv %0" : : "m" (temp)); \
__asm__ __volatile__ ("fwait"); \
} \
if (_fex & FP_EX_INEXACT) \
{ \
struct fenv temp; \
__asm__ __volatile__ ("fnstenv %0" : "=m" (temp)); \
temp.__status_word |= FP_EX_INEXACT; \
__asm__ __volatile__ ("fldenv %0" : : "m" (temp)); \
__asm__ __volatile__ ("fwait"); \
} \
} while (0)
#define FP_RND_NEAREST 0
#define FP_RND_ZERO 0xc00
#define FP_RND_PINF 0x800
#define FP_RND_MINF 0x400
#define _FP_DECL_EX \
unsigned short _fcw __attribute__ ((unused)) = FP_RND_NEAREST
#define FP_INIT_ROUNDMODE \
do { \
__asm__ ("fnstcw %0" : "=m" (_fcw)); \
} while (0)
#define FP_ROUNDMODE (_fcw & 0xc00)
#define __LITTLE_ENDIAN 1234
#define __BIG_ENDIAN 4321
#define __BYTE_ORDER __LITTLE_ENDIAN
/* Define ALIASNAME as a strong alias for NAME. */
#if defined __MACH__
/* Mach-O doesn't support aliasing. If these functions ever return
anything but CMPtype we need to revisit this... */
#define strong_alias(name, aliasname) \
CMPtype aliasname (TFtype a, TFtype b) { return name(a, b); }
#ifdef __x86_64__
#include "config/i386/64/sfp-machine.h"
#else
# define strong_alias(name, aliasname) _strong_alias(name, aliasname)
# define _strong_alias(name, aliasname) \
extern __typeof (name) aliasname __attribute__ ((alias (#name)));
#include "config/i386/32/sfp-machine.h"
#endif

3
gcc/config/i386/t-darwin
View File

@ -2,6 +2,3 @@ MULTILIB_OPTIONS = m64
MULTILIB_DIRNAMES = x86_64
LIB2_SIDITI_CONV_FUNCS=yes
LIB2FUNCS_EXTRA = $(srcdir)/config/darwin-64.c
softfp_wrap_start := '\#ifdef __x86_64__'
softfp_wrap_end := '\#endif'

3
gcc/config/i386/t-darwin64
View File

@ -1,5 +1,2 @@
LIB2_SIDITI_CONV_FUNCS=yes
LIB2FUNCS_EXTRA = $(srcdir)/config/darwin-64.c
softfp_wrap_start := '\#ifdef __x86_64__'
softfp_wrap_end := '\#endif'

0
gcc/config/i386/t-fprules-softfp64 → gcc/config/i386/t-fprules-softfp
View File

5
gcc/config/i386/t-linux Normal file
View File

@ -0,0 +1,5 @@
# On 64bit we do not need any exports for glibc for 64-bit libgcc_s.
# Need to support TImode for x86. Override the settings from
# t-slibgcc-elf-ver and t-linux
SHLIB_MAPFILES = $(srcdir)/libgcc-std.ver \
$(srcdir)/config/i386/libgcc-glibc.ver

9
gcc/config/i386/t-linux64
View File

@ -1,9 +1,3 @@
# On x86-64 we do not need any exports for glibc for 64-bit libgcc_s,
# override the settings
# from t-slibgcc-elf-ver and t-linux
SHLIB_MAPFILES = $(srcdir)/libgcc-std.ver \
$(srcdir)/config/i386/libgcc-x86_64-glibc.ver
# On Debian, Ubuntu and other derivative distributions, the 32bit libraries
# are found in /lib32 and /usr/lib32, /lib64 and /usr/lib64 are symlinks to
# /lib and /usr/lib, while other distributions install libraries into /lib64
@ -21,6 +15,3 @@ INSTALL_LIBGCC = install-multilib
EXTRA_MULTILIB_PARTS=crtbegin.o crtend.o crtbeginS.o crtendS.o \
crtbeginT.o crtprec32.o crtprec64.o crtprec80.o \
crtfastmath.o
softfp_wrap_start := '\#ifdef __x86_64__'
softfp_wrap_end := '\#endif'

14
gcc/config/libgcc-glibc.ver
View File

@ -4,6 +4,20 @@
# maintain enough binary compatibility to allow future versions of glibc
# to defer implementation of these routines to libgcc.so via DT_AUXILIARY.
%exclude {
__divdi3
__moddi3
__udivdi3
__umoddi3
__register_frame
__register_frame_table
__deregister_frame
__register_frame_info
__deregister_frame_info
__frame_state_for
__register_frame_info_table
}
%inherit GCC_3.0 GLIBC_2.0
GLIBC_2.0 {
# Sampling of DImode arithmetic used by (at least) i386 and m68k.

10
gcc/config/m32r/libgcc-glibc.ver
View File

@ -8,6 +8,16 @@
# because GLIBC_2.0 does not exist on this architecture, as the first
# ever glibc release on the platform was GLIBC_2.3.
%exclude {
__register_frame
__register_frame_table
__deregister_frame
__register_frame_info
__deregister_frame_info
__frame_state_for
__register_frame_info_table
}
%inherit GCC_3.0 GLIBC_2.3
GLIBC_2.3 {
__register_frame

24
gcc/config/s390/libgcc-glibc.ver
View File

@ -9,6 +9,20 @@
# ever glibc release on the platform was GLIBC_2.2.
%ifndef __s390x__
%exclude {
__divdi3
__moddi3
__udivdi3
__umoddi3
__register_frame
__register_frame_table
__deregister_frame
__register_frame_info
__deregister_frame_info
__frame_state_for
__register_frame_info_table
}
%inherit GCC_3.0 GLIBC_2.0
GLIBC_2.0 {
__divdi3
@ -27,6 +41,16 @@ GLIBC_2.0 {
%endif
%ifdef __s390x__
%exclude {
__register_frame
__register_frame_table
__deregister_frame
__register_frame_info
__deregister_frame_info
__frame_state_for
__register_frame_info_table
}
%inherit GCC_3.0 GLIBC_2.2
GLIBC_2.2 {
__register_frame

11
gcc/config/sh/libgcc-glibc.ver
View File

@ -8,6 +8,16 @@
# because GLIBC_2.0 does not exist on this architecture, as the first
# ever glibc release on the platform was GLIBC_2.2.
%exclude {
__register_frame
__register_frame_table
__deregister_frame
__register_frame_info
__deregister_frame_info
__frame_state_for
__register_frame_info_table
}
%inherit GCC_3.0 GLIBC_2.2
GLIBC_2.2 {
__register_frame
@ -18,4 +28,3 @@ GLIBC_2.2 {
__frame_state_for
__register_frame_info_table
}

14
gcc/config/sparc/libgcc-sparc-glibc.ver
View File

@ -4,6 +4,20 @@
# maintain enough binary compatibility to allow future versions of glibc
# to defer implementation of these routines to libgcc.so via DT_AUXILIARY.
%exclude {
__divdi3
__moddi3
__udivdi3
__umoddi3
__register_frame
__register_frame_table
__deregister_frame
__register_frame_info
__deregister_frame_info
__frame_state_for
__register_frame_info_table
}
%ifdef __arch64__
%define GLIBC_VER GLIBC_2.2
%else

4
gcc/libgcc-std.ver
View File

@ -1800,3 +1800,7 @@ GCC_4.3.0 {
__satfractunstiuda
__satfractunstiuta
}
%inherit GCC_4.4.0 GCC_4.3.0
GCC_4.4.0 {
}

16
gcc/mkmap-symver.awk
View File

@ -46,7 +46,8 @@ state == "nm" && ($1 == "U" || $2 == "U") {
}
state == "nm" && NF == 3 {
def[$3] = 1;
split ($3, s, "@")
def[s[1]] = 1;
sawsymbol = 1;
next;
}
@ -82,10 +83,13 @@ $1 == "}" {
{
sym = prefix $1;
symbols[sym] = 1
if (thislib != "%exclude")
ver[sym] = thislib;
else
delete ver[sym];
ver[sym, thislib] = 1;
else {
for (l in libs)
ver[sym, l] = 0;
}
next;
}
@ -107,8 +111,8 @@ function output(lib) {
output(inherit[lib]);
empty=1
for (sym in ver)
if ((ver[sym] == lib) && (sym in def))
for (sym in symbols)
if ((ver[sym, lib] != 0) && (sym in def))
{
if (empty)
{

35
libgcc/ChangeLog
View File

@ -1,3 +1,38 @@
2008-07-02 H.J. Lu <hongjiu.lu@intel.com>
PR target/36669
* shared-object.mk ($(base)_s$(objext)): Add -DSHARED.
* config/i386/64/_divtc3-compat.c: New.
* config/i386/64/_multc3-compat.c: Likewise.
* config/i386/64/_powitf2-compat.c: Likewise.
* config/i386/64/eqtf2.c: Likewise.
* config/i386/64/getf2.c: Likewise.
* config/i386/64/letf2.c: Likewise.
* config/i386/64/t-fprules-softfp: Likewise.
2008-07-02 H.J. Lu <hongjiu.lu@intel.com>
* config.host: Add i386/${host_address}/t-fprules-softfp to
tmake_file for i[34567]86-*-darwin*, x86_64-*-darwin*,
i[34567]86-*-linux*, x86_64-*-linux*.
* configure.ac: Set host_address to 64 or 32 for x86.
* configure: Regenerated.
* Makefile.in (config.status): Also depend on
$(srcdir)/config.host.
* config/i386/32/t-fprules-softfp: New.
* config/i386/32/tf-signs.c: Likewise.
* config/i386/64/sfp-machine.h: New. Moved from gcc.
2008-07-02 H.J. Lu <hongjiu.lu@intel.com>
Uros Bizjak <ubizjak@gmail.com>
* config/i386/32/sfp-machine.h: New.
2008-06-26 Nathan Froyd <froydnj@codesourcery.com>
* config/rs6000/t-ppccomm: Remove rules that conflict with

2
libgcc/Makefile.in
View File

@ -138,7 +138,7 @@ config.h: stamp-h ; @true
stamp-h: $(srcdir)/config.in config.status Makefile
CONFIG_FILES= CONFIG_HEADERS=config.h:$(srcdir)/config.in $(SHELL) ./config.status
config.status: $(srcdir)/configure
config.status: $(srcdir)/configure $(srcdir)/config.host
$(SHELL) ./config.status --recheck
include $(gcc_objdir)/libgcc.mvars

7
libgcc/config.host
View File

@ -578,3 +578,10 @@ i[34567]86-*-linux* | x86_64-*-linux*)
tmake_file="${tmake_file} t-tls"
;;
esac
case ${host} in
i[34567]86-*-darwin* | x86_64-*-darwin* | \
i[34567]86-*-linux* | x86_64-*-linux*)
tmake_file="${tmake_file} i386/${host_address}/t-fprules-softfp"
;;
esac

217
libgcc/config/i386/32/sfp-machine.h Normal file
View File

@ -0,0 +1,217 @@
#define _FP_W_TYPE_SIZE 32
#define _FP_W_TYPE unsigned int
#define _FP_WS_TYPE signed int
#define _FP_I_TYPE int
/* The type of the result of a floating point comparison. This must
match `__libgcc_cmp_return__' in GCC for the target. */
typedef int __gcc_CMPtype __attribute__ ((mode (__libgcc_cmp_return__)));
#define CMPtype __gcc_CMPtype
#define __FP_FRAC_ADD_4(r3,r2,r1,r0,x3,x2,x1,x0,y3,y2,y1,y0) \
__asm__ ("add{l} {%11,%3|%3,%11}\n\t" \
"adc{l} {%9,%2|%2,%9}\n\t" \
"adc{l} {%7,%1|%1,%7}\n\t" \
"adc{l} {%5,%0|%0,%5}" \
: "=r" ((USItype) (r3)), \
"=&r" ((USItype) (r2)), \
"=&r" ((USItype) (r1)), \
"=&r" ((USItype) (r0)) \
: "%0" ((USItype) (x3)), \
"g" ((USItype) (y3)), \
"%1" ((USItype) (x2)), \
"g" ((USItype) (y2)), \
"%2" ((USItype) (x1)), \
"g" ((USItype) (y1)), \
"%3" ((USItype) (x0)), \
"g" ((USItype) (y0)))
#define __FP_FRAC_ADD_3(r2,r1,r0,x2,x1,x0,y2,y1,y0) \
__asm__ ("add{l} {%8,%2|%2,%8}\n\t" \
"adc{l} {%6,%1|%1,%6}\n\t" \
"adc{l} {%4,%0|%0,%4}" \
: "=r" ((USItype) (r2)), \
"=&r" ((USItype) (r1)), \
"=&r" ((USItype) (r0)) \
: "%0" ((USItype) (x2)), \
"g" ((USItype) (y2)), \
"%1" ((USItype) (x1)), \
"g" ((USItype) (y1)), \
"%2" ((USItype) (x0)), \
"g" ((USItype) (y0)))
/* FIXME: The last constraint should be "g" instead of "im" if reload
works properly. */
#define __FP_FRAC_SUB_4(r3,r2,r1,r0,x3,x2,x1,x0,y3,y2,y1,y0) \
__asm__ ("sub{l} {%11,%3|%3,%11}\n\t" \
"sbb{l} {%9,%2|%2,%9}\n\t" \
"sbb{l} {%7,%1|%1,%7}\n\t" \
"sbb{l} {%5,%0|%0,%5}" \
: "=r" ((USItype) (r3)), \
"=&r" ((USItype) (r2)), \
"=&r" ((USItype) (r1)), \
"=&r" ((USItype) (r0)) \
: "0" ((USItype) (x3)), \
"g" ((USItype) (y3)), \
"1" ((USItype) (x2)), \
"g" ((USItype) (y2)), \
"2" ((USItype) (x1)), \
"g" ((USItype) (y1)), \
"3" ((USItype) (x0)), \
"im" ((USItype) (y0)))
#define __FP_FRAC_SUB_3(r2,r1,r0,x2,x1,x0,y2,y1,y0) \
__asm__ ("sub{l} {%8,%2|%2,%8}\n\t" \
"sbb{l} {%6,%1|%1,%6}\n\t" \
"sbb{l} {%4,%0|%0,%4}" \
: "=r" ((USItype) (r2)), \
"=&r" ((USItype) (r1)), \
"=&r" ((USItype) (r0)) \
: "0" ((USItype) (x2)), \
"g" ((USItype) (y2)), \
"1" ((USItype) (x1)), \
"g" ((USItype) (y1)), \
"2" ((USItype) (x0)), \
"g" ((USItype) (y0)))
#define _FP_MUL_MEAT_S(R,X,Y) \
_FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm)
#define _FP_MUL_MEAT_D(R,X,Y) \
_FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
#define _FP_MUL_MEAT_Q(R,X,Y) \
_FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
#define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_udiv(S,R,X,Y)
#define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_2_udiv(D,R,X,Y)
#define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_4_udiv(Q,R,X,Y)
#define _FP_NANFRAC_S _FP_QNANBIT_S
#define _FP_NANFRAC_D _FP_QNANBIT_D, 0
/* Even if XFmode is 12byte, we have to pad it to 16byte since soft-fp
emulation is done in 16byte. */
#define _FP_NANFRAC_E _FP_QNANBIT_E, 0, 0, 0
#define _FP_NANFRAC_Q _FP_QNANBIT_Q, 0, 0, 0
#define _FP_NANSIGN_S 1
#define _FP_NANSIGN_D 1
#define _FP_NANSIGN_E 1
#define _FP_NANSIGN_Q 1
#define _FP_KEEPNANFRACP 1
/* Here is something Intel misdesigned: the specs don't define
the case where we have two NaNs with same mantissas, but
different sign. Different operations pick up different NaNs. */
#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \
do { \
if (_FP_FRAC_GT_##wc(X, Y) \
|| (_FP_FRAC_EQ_##wc(X,Y) && (OP == '+' || OP == '*'))) \
{ \
R##_s = X##_s; \
_FP_FRAC_COPY_##wc(R,X); \
} \
else \
{ \
R##_s = Y##_s; \
_FP_FRAC_COPY_##wc(R,Y); \
} \
R##_c = FP_CLS_NAN; \
} while (0)
#define FP_EX_INVALID 0x01
#define FP_EX_DENORM 0x02
#define FP_EX_DIVZERO 0x04
#define FP_EX_OVERFLOW 0x08
#define FP_EX_UNDERFLOW 0x10
#define FP_EX_INEXACT 0x20
struct fenv
{
unsigned short int __control_word;
unsigned short int __unused1;
unsigned short int __status_word;
unsigned short int __unused2;
unsigned short int __tags;
unsigned short int __unused3;
unsigned int __eip;
unsigned short int __cs_selector;
unsigned int __opcode:11;
unsigned int __unused4:5;
unsigned int __data_offset;
unsigned short int __data_selector;
unsigned short int __unused5;
};
#define FP_HANDLE_EXCEPTIONS \
do { \
if (_fex & FP_EX_INVALID) \
{ \
float f; \
__asm__ __volatile__ ("fdiv %0" : "+t" (f)); \
__asm__ __volatile__ ("fwait"); \
} \
if (_fex & FP_EX_DIVZERO) \
{ \
float f = 1.0, g = 0.0; \
__asm__ __volatile__ ("fdivp" : "=t" (f) \
: "0" (f), "u" (g) \
: "st(1)"); \
__asm__ __volatile__ ("fwait"); \
} \
if (_fex & FP_EX_OVERFLOW) \
{ \
struct fenv temp; \
__asm__ __volatile__ ("fnstenv %0" : "=m" (temp)); \
temp.__status_word |= FP_EX_OVERFLOW; \
__asm__ __volatile__ ("fldenv %0" : : "m" (temp)); \
__asm__ __volatile__ ("fwait"); \
} \
if (_fex & FP_EX_UNDERFLOW) \
{ \
struct fenv temp; \
__asm__ __volatile__ ("fnstenv %0" : "=m" (temp)); \
temp.__status_word |= FP_EX_UNDERFLOW; \
__asm__ __volatile__ ("fldenv %0" : : "m" (temp)); \
__asm__ __volatile__ ("fwait"); \
} \
if (_fex & FP_EX_INEXACT) \
{ \
struct fenv temp; \
__asm__ __volatile__ ("fnstenv %0" : "=m" (temp)); \
temp.__status_word |= FP_EX_INEXACT; \
__asm__ __volatile__ ("fldenv %0" : : "m" (temp)); \
__asm__ __volatile__ ("fwait"); \
} \
} while (0)
#define FP_RND_NEAREST 0
#define FP_RND_ZERO 0xc00
#define FP_RND_PINF 0x800
#define FP_RND_MINF 0x400
#define _FP_DECL_EX \
unsigned short _fcw __attribute__ ((unused)) = FP_RND_NEAREST
#define FP_INIT_ROUNDMODE \
do { \
__asm__ ("fnstcw %0" : "=m" (_fcw)); \
} while (0)
#define FP_ROUNDMODE (_fcw & 0xc00)
#define __LITTLE_ENDIAN 1234
#define __BIG_ENDIAN 4321
#define __BYTE_ORDER __LITTLE_ENDIAN
/* Define ALIASNAME as a strong alias for NAME. */
#if defined __MACH__
/* Mach-O doesn't support aliasing. If these functions ever return
anything but CMPtype we need to revisit this... */
#define strong_alias(name, aliasname) \
CMPtype aliasname (TFtype a, TFtype b) { return name(a, b); }
#else
# define strong_alias(name, aliasname) _strong_alias(name, aliasname)
# define _strong_alias(name, aliasname) \
extern __typeof (name) aliasname __attribute__ ((alias (#name)));
#endif

8
libgcc/config/i386/32/t-fprules-softfp Normal file
View File

@ -0,0 +1,8 @@
# Filter out TImode functions
tifunctions = fixtfti.c fixunstfti.c floattitf.c floatuntitf.c
tifunctions := $(addprefix $(gcc_srcdir)/config/soft-fp/, $(tifunctions))
LIB2ADD := $(filter-out $(tifunctions), $(LIB2ADD))
# Provide fallbacks for __builtin_copysignq and __builtin_fabsq.
LIB2ADD += $(srcdir)/config/i386/32/tf-signs.c

64
libgcc/config/i386/32/tf-signs.c Normal file
View File

@ -0,0 +1,64 @@
/* Copyright (C) 2008 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 2, or (at your option) any later
version.
In addition to the permissions in the GNU General Public License, the
Free Software Foundation gives you unlimited permission to link the
compiled version of this file into combinations with other programs,
and to distribute those combinations without any restriction coming
from the use of this file. (The General Public License restrictions
do apply in other respects; for example, they cover modification of
the file, and distribution when not linked into a combine
executable.)
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 COPYING. If not, write to the Free
Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA. */
union _FP_UNION_Q
{
__float128 flt;
struct
{
unsigned long frac0 : 32;
unsigned long frac1 : 32;
unsigned long frac2 : 32;
unsigned long frac3 : 16;
unsigned exp : 15;
unsigned sign : 1;
} bits __attribute__((packed));
};
__float128
__copysigntf3 (__float128 a, __float128 b)
{
union _FP_UNION_Q A, B;
A.flt = a;
B.flt = b;
A.bits.sign = B.bits.sign;
return A.flt;
}
__float128
__fabstf2 (__float128 a)
{
union _FP_UNION_Q A;
A.flt = a;
A.bits.sign = 0;
return A.flt;
}

14
libgcc/config/i386/64/_divtc3-compat.c Normal file
View File

@ -0,0 +1,14 @@
#ifdef SHARED
#define __divtc3 __divtc3_shared
#endif
#define L_divtc3
#include "libgcc2.c"
#ifdef SHARED
#undef __divtc3
extern __typeof__ (__divtc3_shared) __divtc3_compat __attribute__((alias ("__divtc3_shared")));
asm (".symver __divtc3_compat,__divtc3@GCC_4.0.0");
asm (".symver __divtc3_shared,__divtc3@@GCC_4.3.0");
#endif

14
libgcc/config/i386/64/_multc3-compat.c Normal file
View File

@ -0,0 +1,14 @@
#ifdef SHARED
#define __multc3 __multc3_shared
#endif
#define L_multc3
#include "libgcc2.c"
#ifdef SHARED
#undef __multc3
extern __typeof__ (__multc3_shared) __multc3_compat __attribute__((alias ("__multc3_shared")));
asm (".symver __multc3_compat,__multc3@GCC_4.0.0");
asm (".symver __multc3_shared,__multc3@@GCC_4.3.0");
#endif

14
libgcc/config/i386/64/_powitf2-compat.c Normal file
View File

@ -0,0 +1,14 @@
#ifdef SHARED
#define __powitf2 __powitf2_shared
#endif
#define L_powitf2
#include "libgcc2.c"
#ifdef SHARED
#undef __powitf2
extern __typeof__ (__powitf2_shared) __powitf2_compat __attribute__((alias ("__powitf2_shared")));
asm (".symver __powitf2_compat,__powitf2@GCC_4.0.0");
asm (".symver __powitf2_shared,__powitf2@@GCC_4.3.0");
#endif

13
libgcc/config/i386/64/eqtf2.c Normal file
View File

@ -0,0 +1,13 @@
#ifdef SHARED
#define __netf2 __netf2_shared
#endif
#include "config/soft-fp/eqtf2.c"
#ifdef SHARED
#undef __netf2
strong_alias (__netf2_shared, __netf2_compat);
asm (".symver __netf2_compat,__netf2@GCC_3.0");
asm (".symver __netf2_shared,__netf2@@GCC_4.3.0");
#endif

13
libgcc/config/i386/64/getf2.c Normal file
View File

@ -0,0 +1,13 @@
#ifdef SHARED
#define __gttf2 __gttf2_shared
#endif
#include "config/soft-fp/getf2.c"
#ifdef SHARED
#undef __gttf2
strong_alias (__gttf2_shared, __gttf2_compat);
asm (".symver __gttf2_compat,__gttf2@GCC_3.0");
asm (".symver __gttf2_shared,__gttf2@@GCC_4.3.0");
#endif

13
libgcc/config/i386/64/letf2.c Normal file
View File

@ -0,0 +1,13 @@
#ifdef SHARED
#define __lttf2 __lttf2_shared
#endif
#include "config/soft-fp/letf2.c"
#ifdef SHARED
#undef __lttf2
strong_alias (__lttf2_shared, __lttf2_compat);
asm (".symver __lttf2_compat,__lttf2@GCC_3.0");
asm (".symver __lttf2_shared,__lttf2@@GCC_4.3.0");
#endif

143
libgcc/config/i386/64/sfp-machine.h Normal file
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@ -0,0 +1,143 @@
#define _FP_W_TYPE_SIZE 64
#define _FP_W_TYPE unsigned long
#define _FP_WS_TYPE signed long
#define _FP_I_TYPE long
typedef int TItype __attribute__ ((mode (TI)));
typedef unsigned int UTItype __attribute__ ((mode (TI)));
#define TI_BITS (__CHAR_BIT__ * (int)sizeof(TItype))
/* The type of the result of a floating point comparison. This must
match `__libgcc_cmp_return__' in GCC for the target. */
typedef int __gcc_CMPtype __attribute__ ((mode (__libgcc_cmp_return__)));
#define CMPtype __gcc_CMPtype
#define _FP_MUL_MEAT_Q(R,X,Y) \
_FP_MUL_MEAT_2_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
#define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_2_udiv(Q,R,X,Y)
#define _FP_NANFRAC_S _FP_QNANBIT_S
#define _FP_NANFRAC_D _FP_QNANBIT_D
#define _FP_NANFRAC_E _FP_QNANBIT_E, 0
#define _FP_NANFRAC_Q _FP_QNANBIT_Q, 0
#define _FP_NANSIGN_S 1
#define _FP_NANSIGN_D 1
#define _FP_NANSIGN_E 1
#define _FP_NANSIGN_Q 1
#define _FP_KEEPNANFRACP 1
/* Here is something Intel misdesigned: the specs don't define
the case where we have two NaNs with same mantissas, but
different sign. Different operations pick up different NaNs. */
#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \
do { \
if (_FP_FRAC_GT_##wc(X, Y) \
|| (_FP_FRAC_EQ_##wc(X,Y) && (OP == '+' || OP == '*'))) \
{ \
R##_s = X##_s; \
_FP_FRAC_COPY_##wc(R,X); \
} \
else \
{ \
R##_s = Y##_s; \
_FP_FRAC_COPY_##wc(R,Y); \
} \
R##_c = FP_CLS_NAN; \
} while (0)
#define FP_EX_INVALID 0x01
#define FP_EX_DENORM 0x02
#define FP_EX_DIVZERO 0x04
#define FP_EX_OVERFLOW 0x08
#define FP_EX_UNDERFLOW 0x10
#define FP_EX_INEXACT 0x20
struct fenv
{
unsigned short int __control_word;
unsigned short int __unused1;
unsigned short int __status_word;
unsigned short int __unused2;
unsigned short int __tags;
unsigned short int __unused3;
unsigned int __eip;
unsigned short int __cs_selector;
unsigned int __opcode:11;
unsigned int __unused4:5;
unsigned int __data_offset;
unsigned short int __data_selector;
unsigned short int __unused5;
};
#define FP_HANDLE_EXCEPTIONS \
do { \
if (_fex & FP_EX_INVALID) \
{ \
float f = 0.0; \
__asm__ __volatile__ ("divss %0, %0 " : : "x" (f)); \
} \
if (_fex & FP_EX_DIVZERO) \
{ \
float f = 1.0, g = 0.0; \
__asm__ __volatile__ ("divss %1, %0" : : "x" (f), "x" (g)); \
} \
if (_fex & FP_EX_OVERFLOW) \
{ \
struct fenv temp; \
__asm__ __volatile__ ("fnstenv %0" : "=m" (temp)); \
temp.__status_word |= FP_EX_OVERFLOW; \
__asm__ __volatile__ ("fldenv %0" : : "m" (temp)); \
__asm__ __volatile__ ("fwait"); \
} \
if (_fex & FP_EX_UNDERFLOW) \
{ \
struct fenv temp; \
__asm__ __volatile__ ("fnstenv %0" : "=m" (temp)); \
temp.__status_word |= FP_EX_UNDERFLOW; \
__asm__ __volatile__ ("fldenv %0" : : "m" (temp)); \
__asm__ __volatile__ ("fwait"); \
} \
if (_fex & FP_EX_INEXACT) \
{ \
struct fenv temp; \
__asm__ __volatile__ ("fnstenv %0" : "=m" (temp)); \
temp.__status_word |= FP_EX_INEXACT; \
__asm__ __volatile__ ("fldenv %0" : : "m" (temp)); \
__asm__ __volatile__ ("fwait"); \
} \
} while (0)
#define FP_RND_NEAREST 0
#define FP_RND_ZERO 0xc00
#define FP_RND_PINF 0x800
#define FP_RND_MINF 0x400
#define _FP_DECL_EX \
unsigned short _fcw __attribute__ ((unused)) = FP_RND_NEAREST
#define FP_INIT_ROUNDMODE \
do { \
__asm__ ("fnstcw %0" : "=m" (_fcw)); \
} while (0)
#define FP_ROUNDMODE (_fcw & 0xc00)
#define __LITTLE_ENDIAN 1234
#define __BIG_ENDIAN 4321
#define __BYTE_ORDER __LITTLE_ENDIAN
/* Define ALIASNAME as a strong alias for NAME. */
#if defined __MACH__
/* Mach-O doesn't support aliasing. If these functions ever return
anything but CMPtype we need to revisit this... */
#define strong_alias(name, aliasname) \
CMPtype aliasname (TFtype a, TFtype b) { return name(a, b); }
#else
# define strong_alias(name, aliasname) _strong_alias(name, aliasname)
# define _strong_alias(name, aliasname) \
extern __typeof (name) aliasname __attribute__ ((alias (#name)));
#endif

12
libgcc/config/i386/64/t-fprules-softfp Normal file
View File

@ -0,0 +1,12 @@
# Filter out the following TImode functions and provide backward binary
# compatibility.
tf-compats = getf2.c letf2.c eqtf2.c
tf-functions := $(addprefix $(gcc_srcdir)/config/soft-fp/, $(tf-compats))
LIB2ADD := $(filter-out $(tf-functions), $(LIB2ADD))
LIB2ADD += $(addprefix $(srcdir)/config/i386/64/, $(tf-compats))
# Replace _divtc3, _multc3 and _powitf2.
libgcc2-tf-functions = _divtc3 _multc3 _powitf2
LIB2FUNCS_EXCLUDE += $(libgcc2-tf-functions)
libgcc2-tf-compats = $(addsuffix -compat.c, $(libgcc2-tf-functions))
LIB2ADD += $(addprefix $(srcdir)/config/i386/64/, $(libgcc2-tf-compats))

15
libgcc/configure vendored
View File

@ -3402,6 +3402,21 @@ echo "${ECHO_T}$libgcc_cv_fixed_point" >&6
fixed_point=$libgcc_cv_fixed_point
# Check 32bit or 64bit for x86.
case ${host} in
i?86*-*-* | x86_64*-*-*)
cat > conftest.c <<EOF
#ifdef __x86_64__
host_address=64
#else
host_address=32
#endif
EOF
eval `${CC-cc} -E conftest.c | grep host_address=`
rm -f conftest.c
;;
esac
# Collect host-machine-specific information.
. ${srcdir}/config.host

15
libgcc/configure.ac
View File

@ -153,6 +153,21 @@ AC_CACHE_CHECK([whether fixed-point is supported], [libgcc_cv_fixed_point],
fixed_point=$libgcc_cv_fixed_point
AC_SUBST(fixed_point)
# Check 32bit or 64bit for x86.
case ${host} in
i?86*-*-* | x86_64*-*-*)
cat > conftest.c <<EOF
#ifdef __x86_64__
host_address=64
#else
host_address=32
#endif
EOF
eval `${CC-cc} -E conftest.c | grep host_address=`
rm -f conftest.c
;;
esac
# Collect host-machine-specific information.
. ${srcdir}/config.host

4
libgcc/shared-object.mk
View File

@ -12,7 +12,7 @@ $(base)$(objext): $o
$(gcc_compile) $(c_flags) -c $< $(vis_hide)
$(base)_s$(objext): $o
$(gcc_s_compile) $(c_flags) -c $<
$(gcc_s_compile) -DSHARED $(c_flags) -c $<
else
@ -29,6 +29,6 @@ $(base).vis: $(base)_s$(objext)
$(gen-hide-list)
$(base)_s$(objext): $o
$(gcc_s_compile) -c -xassembler-with-cpp $<
$(gcc_s_compile) -DSHARED -c -xassembler-with-cpp $<
endif