File gcc41-ldbl-default.patch of Package gcc41
2006-02-05 Jakub Jelinek <jakub@redhat.com>
* config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
(s390x-*-linux*): Likewise.
* config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
* config/s390/t-linux: New file.
* config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
(sparc64-*-linux*): Likewise.
* config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
* config/sparc/t-linux: New file.
* config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
__floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
(__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
-m32 -mlong-double-128.
* config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
* config/alpha/t-linux: New file.
* config/alpha/libgcc-alpha-ldbl.ver: New file.
2006-02-04 Jakub Jelinek <jakub@redhat.com>
* config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
__LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
(CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
* config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
__LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
(CPP_ARCH32_SPEC): Remove.
2006-02-03 Aldy Hernandez <aldyh@redhat.com>
* config/s390/s390.c (override_options): Handle
TARGET_DEFAULT_LONG_DOUBLE_128.
* config/alpha/alpha.c (override_options): Handle
TARGET_DEFAULT_LONG_DOUBLE_128.
* config/sparc/sparc.c (sparc_override_options): Handle
TARGET_DEFAULT_LONG_DOUBLE_128.
2006-02-04 Jakub Jelinek <jakub@redhat.com>
* config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
(RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
* config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
(RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
* configure.ac: Add --with{out}-long-double-128 configure option.
(TARGET_DEFAULT_LONG_DOUBLE_128): New test.
* configure: Rebuilt.
* config.in: Rebuilt.
Index: gcc/config/rs6000/linux.h
===================================================================
--- gcc/config/rs6000/linux.h.orig 2006-02-11 19:40:32.000000000 +0100
+++ gcc/config/rs6000/linux.h 2009-11-20 13:42:00.000000000 +0100
@@ -120,3 +120,8 @@
#endif
#define POWERPC_LINUX
+
+/* ppc linux has 128-bit long double support in glibc 2.4 and later. */
+#ifdef TARGET_DEFAULT_LONG_DOUBLE_128
+#define RS6000_DEFAULT_LONG_DOUBLE_SIZE 128
+#endif
Index: gcc/config/rs6000/linux64.h
===================================================================
--- gcc/config/rs6000/linux64.h.orig 2006-02-11 19:40:32.000000000 +0100
+++ gcc/config/rs6000/linux64.h 2009-11-20 13:42:00.000000000 +0100
@@ -570,3 +570,8 @@ while (0)
#endif
#define POWERPC_LINUX
+
+/* ppc{32,64} linux has 128-bit long double support in glibc 2.4 and later. */
+#ifdef TARGET_DEFAULT_LONG_DOUBLE_128
+#define RS6000_DEFAULT_LONG_DOUBLE_SIZE 128
+#endif
Index: gcc/configure.ac
===================================================================
--- gcc/configure.ac.orig 2009-11-20 13:40:48.000000000 +0100
+++ gcc/configure.ac 2009-11-20 13:42:00.000000000 +0100
@@ -3128,6 +3128,39 @@ if test x$gcc_cv_libc_provides_ssp = xye
[Define if your target C library provides stack protector support])
fi
+# Check if TFmode long double should be used by default or not.
+# Some glibc targets used DFmode long double, but with glibc 2.4
+# and later they can use TFmode.
+case "$target" in
+ powerpc*-*-*gnu* | \
+ sparc*-*-linux* | \
+ s390*-*-linux* | \
+ alpha*-*-linux*)
+ AC_ARG_WITH(long-double-128,
+[ --with-long-double-128 Use 128-bit long double by default.],
+ gcc_cv_target_ldbl128="$with_long_double_128",
+ [gcc_cv_target_ldbl128=no
+ if test x$host != x$target || test "x$TARGET_SYSTEM_ROOT" != x; then
+ if test "x$with_sysroot" = x; then
+ glibc_header_dir="${exec_prefix}/${target_noncanonical}/sys-include"
+ elif test "x$with_sysroot" = xyes; then
+ glibc_header_dir="${exec_prefix}/${target_noncanonical}/sys-root/usr/include"
+ else
+ glibc_header_dir="${with_sysroot}/usr/include"
+ fi
+ else
+ glibc_header_dir=/usr/include
+ fi
+ grep '^[ ]*#[ ]*define[ ][ ]*__LONG_DOUBLE_MATH_OPTIONAL' \
+ $glibc_header_dir/bits/wordsize.h > /dev/null 2>&1 \
+ && gcc_cv_target_ldbl128=yes])
+ ;;
+esac
+if test x$gcc_cv_target_ldbl128 = xyes; then
+ AC_DEFINE(TARGET_DEFAULT_LONG_DOUBLE_128, 1,
+ [Define if TFmode long double should be the default])
+fi
+
# Find out what GC implementation we want, or may, use.
AC_ARG_WITH(gc,
[ --with-gc={page,zone} choose the garbage collection mechanism to use
Index: gcc/configure
===================================================================
--- gcc/configure.orig 2009-11-20 13:40:48.000000000 +0100
+++ gcc/configure 2009-11-20 13:42:00.000000000 +0100
@@ -931,6 +931,7 @@ Optional Packages:
--with-libiconv-prefix[=DIR] search for libiconv in DIR/include and DIR/lib
--without-libiconv-prefix don't search for libiconv in includedir and libdir
--with-system-libunwind use installed libunwind
+ --with-long-double-128 Use 128-bit long double by default.
--with-gc={page,zone} choose the garbage collection mechanism to use
with the compiler
--with-system-zlib use installed libz
@@ -7492,7 +7493,7 @@ if test "${gcc_cv_prog_makeinfo_modern+s
else
ac_prog_version=`$MAKEINFO --version 2>&1 |
sed -n 's/^.*GNU texinfo.* \([0-9][0-9.]*\).*$/\1/p'`
- echo "configure:7495: version of makeinfo is $ac_prog_version" >&5
+ echo "configure:7496: version of makeinfo is $ac_prog_version" >&5
case $ac_prog_version in
'') gcc_cv_prog_makeinfo_modern=no;;
4.[2-9]*|4.[1-9][0-9]*|[5-9]*|[1-9][0-9]*)
@@ -16210,6 +16211,46 @@ cat >>confdefs.h <<\_ACEOF
_ACEOF
fi
+
+# Check if TFmode long double should be used by default or not.
+# Some glibc targets used DFmode long double, but with glibc 2.4
+# and later they can use TFmode.
+case "$target" in
+ powerpc*-*-*gnu* | \
+ sparc*-*-linux* | \
+ s390*-*-linux* | \
+ alpha*-*-linux*)
+
+# Check whether --with-long-double-128 or --without-long-double-128 was given.
+if test "${with_long_double_128+set}" = set; then
+ withval="$with_long_double_128"
+ gcc_cv_target_ldbl128="$with_long_double_128"
+else
+ gcc_cv_target_ldbl128=no
+ if test x$host != x$target || test "x$TARGET_SYSTEM_ROOT" != x; then
+ if test "x$with_sysroot" = x; then
+ glibc_header_dir="${exec_prefix}/${target_noncanonical}/sys-include"
+ elif test "x$with_sysroot" = xyes; then
+ glibc_header_dir="${exec_prefix}/${target_noncanonical}/sys-root/usr/include"
+ else
+ glibc_header_dir="${with_sysroot}/usr/include"
+ fi
+ else
+ glibc_header_dir=/usr/include
+ fi
+ grep '^ *#[ ]*define[ ][ ]*__LONG_DOUBLE_MATH_OPTIONAL' \
+ $glibc_header_dir/bits/wordsize.h > /dev/null 2>&1 \
+ && gcc_cv_target_ldbl128=yes
+fi;
+ ;;
+esac
+if test x$gcc_cv_target_ldbl128 = xyes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define TARGET_DEFAULT_LONG_DOUBLE_128 1
+_ACEOF
+
+fi
# Find out what GC implementation we want, or may, use.
Index: gcc/config.in
===================================================================
--- gcc/config.in.orig 2006-11-14 10:28:54.000000000 +0100
+++ gcc/config.in 2009-11-20 13:42:00.000000000 +0100
@@ -1277,6 +1277,12 @@
#endif
+/* Define if TFmode long double should be the default */
+#ifndef USED_FOR_TARGET
+#undef TARGET_DEFAULT_LONG_DOUBLE_128
+#endif
+
+
/* Define if your target C library provides stack protector support */
#ifndef USED_FOR_TARGET
#undef TARGET_LIBC_PROVIDES_SSP
Index: gcc/config/alpha/alpha.c
===================================================================
--- gcc/config/alpha/alpha.c.orig 2006-03-30 17:18:46.000000000 +0200
+++ gcc/config/alpha/alpha.c 2009-11-20 13:42:00.000000000 +0100
@@ -516,6 +516,11 @@ override_options (void)
REAL_MODE_FORMAT (DFmode) = &vax_g_format;
REAL_MODE_FORMAT (TFmode) = NULL;
}
+
+#ifdef TARGET_DEFAULT_LONG_DOUBLE_128
+ if (!(target_flags_explicit & MASK_LONG_DOUBLE_128))
+ target_flags |= MASK_LONG_DOUBLE_128;
+#endif
}
/* Returns 1 if VALUE is a mask that contains full bytes of zero or ones. */
Index: gcc/config/s390/s390.c
===================================================================
--- gcc/config/s390/s390.c.orig 2006-11-29 10:58:42.000000000 +0100
+++ gcc/config/s390/s390.c 2009-11-20 13:42:00.000000000 +0100
@@ -1433,6 +1433,11 @@ override_options (void)
}
else if (s390_stack_guard)
error ("-mstack-guard implies use of -mstack-size");
+
+#ifdef TARGET_DEFAULT_LONG_DOUBLE_128
+ if (!(target_flags_explicit & MASK_LONG_DOUBLE_128))
+ target_flags |= MASK_LONG_DOUBLE_128;
+#endif
}
/* Map for smallest class containing reg regno. */
Index: gcc/config/sparc/linux.h
===================================================================
--- gcc/config/sparc/linux.h.orig 2006-02-11 19:40:32.000000000 +0100
+++ gcc/config/sparc/linux.h 2009-11-20 13:42:00.000000000 +0100
@@ -23,17 +23,19 @@ Boston, MA 02110-1301, USA. */
#define TARGET_OS_CPP_BUILTINS() \
do \
{ \
- builtin_define_std ("unix"); \
- builtin_define_std ("linux"); \
- builtin_define ("__gnu_linux__"); \
- builtin_assert ("system=linux"); \
- builtin_assert ("system=unix"); \
- builtin_assert ("system=posix"); \
- if (flag_pic) \
- { \
- builtin_define ("__PIC__"); \
- builtin_define ("__pic__"); \
- } \
+ builtin_define_std ("unix"); \
+ builtin_define_std ("linux"); \
+ builtin_define ("__gnu_linux__"); \
+ builtin_assert ("system=linux"); \
+ builtin_assert ("system=unix"); \
+ builtin_assert ("system=posix"); \
+ if (flag_pic) \
+ { \
+ builtin_define ("__PIC__"); \
+ builtin_define ("__pic__"); \
+ } \
+ if (TARGET_LONG_DOUBLE_128) \
+ builtin_define ("__LONG_DOUBLE_128__"); \
} \
while (0)
@@ -100,8 +102,7 @@ Boston, MA 02110-1301, USA. */
#undef CPP_SUBTARGET_SPEC
#define CPP_SUBTARGET_SPEC \
-"%{posix:-D_POSIX_SOURCE} \
-%{pthread:-D_REENTRANT} %{mlong-double-128:-D__LONG_DOUBLE_128__}"
+"%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
#undef LIB_SPEC
#define LIB_SPEC \
Index: gcc/config/sparc/sparc.c
===================================================================
--- gcc/config/sparc/sparc.c.orig 2006-04-17 11:29:54.000000000 +0200
+++ gcc/config/sparc/sparc.c 2009-11-20 13:42:00.000000000 +0100
@@ -790,6 +790,11 @@ sparc_override_options (void)
sparc_costs = &ultrasparc3_costs;
break;
};
+
+#ifdef TARGET_DEFAULT_LONG_DOUBLE_128
+ if (!(target_flags_explicit & MASK_LONG_DOUBLE_128))
+ target_flags |= MASK_LONG_DOUBLE_128;
+#endif
}
#ifdef SUBTARGET_ATTRIBUTE_TABLE
Index: gcc/config/sparc/linux64.h
===================================================================
--- gcc/config/sparc/linux64.h.orig 2006-02-11 19:40:32.000000000 +0100
+++ gcc/config/sparc/linux64.h 2009-11-20 13:42:00.000000000 +0100
@@ -20,22 +20,24 @@ along with GCC; see the file COPYING. I
the Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
-#define TARGET_OS_CPP_BUILTINS() \
- do \
- { \
- builtin_define_std ("unix"); \
- builtin_define_std ("linux"); \
- builtin_define ("_LONGLONG"); \
- builtin_define ("__gnu_linux__"); \
- builtin_assert ("system=linux"); \
- builtin_assert ("system=unix"); \
- builtin_assert ("system=posix"); \
- if (flag_pic) \
- { \
- builtin_define ("__PIC__"); \
- builtin_define ("__pic__"); \
- } \
- } \
+#define TARGET_OS_CPP_BUILTINS() \
+ do \
+ { \
+ builtin_define_std ("unix"); \
+ builtin_define_std ("linux"); \
+ builtin_define ("_LONGLONG"); \
+ builtin_define ("__gnu_linux__"); \
+ builtin_assert ("system=linux"); \
+ builtin_assert ("system=unix"); \
+ builtin_assert ("system=posix"); \
+ if (flag_pic) \
+ { \
+ builtin_define ("__PIC__"); \
+ builtin_define ("__pic__"); \
+ } \
+ if (TARGET_ARCH32 && TARGET_LONG_DOUBLE_128) \
+ builtin_define ("__LONG_DOUBLE_128__"); \
+ } \
while (0)
/* Don't assume anything about the header files. */
@@ -59,13 +61,6 @@ Boston, MA 02110-1301, USA. */
#undef ASM_CPU_DEFAULT_SPEC
#define ASM_CPU_DEFAULT_SPEC "-Av9a"
-#ifdef SPARC_BI_ARCH
-
-#undef CPP_ARCH32_SPEC
-#define CPP_ARCH32_SPEC "%{mlong-double-128:-D__LONG_DOUBLE_128__}"
-
-#endif
-
/* Provide a STARTFILE_SPEC appropriate for GNU/Linux. Here we add
the GNU/Linux magical crtbegin.o file (see crtstuff.c) which
provides part of the support for getting C++ file-scope static
Index: gcc/config.gcc
===================================================================
--- gcc/config.gcc.orig 2009-11-20 13:41:10.000000000 +0100
+++ gcc/config.gcc 2009-11-20 13:42:00.000000000 +0100
@@ -568,7 +568,7 @@ alpha*-*-unicosmk*)
alpha*-*-linux*)
tm_file="${tm_file} alpha/elf.h alpha/linux.h alpha/linux-elf.h"
target_cpu_default="MASK_GAS"
- tmake_file="${tmake_file} alpha/t-crtfm alpha/t-alpha alpha/t-ieee"
+ tmake_file="${tmake_file} alpha/t-crtfm alpha/t-alpha alpha/t-ieee alpha/t-linux"
;;
alpha*-*-gnu*)
target_cpu_default="MASK_GAS"
@@ -2056,7 +2056,7 @@ sparc-*-elf*)
sparc-*-linux*) # SPARC's running GNU/Linux, libc6
tm_file="${tm_file} dbxelf.h elfos.h svr4.h sparc/sysv4.h sparc/linux.h"
extra_options="${extra_options} sparc/long-double-switch.opt"
- tmake_file="${tmake_file} sparc/t-crtfm"
+ tmake_file="${tmake_file} sparc/t-linux sparc/t-crtfm"
;;
sparc-*-rtems*)
tm_file="${tm_file} dbxelf.h elfos.h svr4.h sparc/sysv4.h sparc/sp-elf.h sparc/rtemself.h rtems.h"
@@ -2175,7 +2175,7 @@ sparc64-*-freebsd*|ultrasparc-*-freebsd*
sparc64-*-linux*) # 64-bit SPARC's running GNU/Linux
tm_file="sparc/biarch64.h ${tm_file} dbxelf.h elfos.h svr4.h sparc/sysv4.h sparc/linux64.h"
extra_options="${extra_options} sparc/long-double-switch.opt"
- tmake_file="${tmake_file} sparc/t-linux64 sparc/t-crtfm"
+ tmake_file="${tmake_file} sparc/t-linux sparc/t-linux64 sparc/t-crtfm"
;;
sparc64-*-netbsd*)
tm_file="sparc/biarch64.h ${tm_file}"
Index: gcc/config/alpha/libgcc-alpha-ldbl.ver
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ gcc/config/alpha/libgcc-alpha-ldbl.ver 2009-11-20 13:42:00.000000000 +0100
@@ -0,0 +1,32 @@
+%ifdef __LONG_DOUBLE_128__
+
+# long double 128 bit support in libgcc_s.so.1 is only available
+# when configured with --with-long-double-128. Make sure all the
+# symbols are available at @@GCC_LDBL_* versions to make it clear
+# there is a configurable symbol set.
+
+%exclude {
+ __fixtfdi
+ __fixunstfdi
+ __floatditf
+
+ __divtc3
+ __multc3
+ __powitf2
+}
+
+%inherit GCC_LDBL_3.0 GCC_3.0
+GCC_LDBL_3.0 {
+ __fixtfdi
+ __fixunstfdi
+ __floatditf
+}
+
+%inherit GCC_LDBL_4.0.0 GCC_4.0.0
+GCC_LDBL_4.0.0 {
+ __divtc3
+ __multc3
+ __powitf2
+}
+
+%endif
Index: gcc/config/alpha/t-linux
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ gcc/config/alpha/t-linux 2009-11-20 13:42:00.000000000 +0100
@@ -0,0 +1 @@
+SHLIB_MAPFILES += $(srcdir)/config/alpha/libgcc-alpha-ldbl.ver
Index: gcc/config/sparc/t-linux64
===================================================================
--- gcc/config/sparc/t-linux64.orig 2006-02-07 17:44:30.000000000 +0100
+++ gcc/config/sparc/t-linux64 2009-11-20 13:42:00.000000000 +0100
@@ -8,12 +8,6 @@ INSTALL_LIBGCC = install-multilib
EXTRA_MULTILIB_PARTS=crtbegin.o crtend.o crtbeginS.o crtendS.o crtbeginT.o \
crtfastmath.o
-# Override t-slibgcc-elf-ver to export some libgcc symbols with
-# the symbol versions that glibc used.
-# Avoid the t-linux version file.
-SHLIB_MAPFILES = $(srcdir)/libgcc-std.ver \
- $(srcdir)/config/sparc/libgcc-sparc-glibc.ver
-
CRTSTUFF_T_CFLAGS = `if test x$$($(GCC_FOR_TARGET) $(MULTILIB_CFLAGS) \
-print-multi-os-directory) \
= x../lib64; then echo -mcmodel=medany; fi`
Index: gcc/config/sparc/libgcc-sparc-glibc.ver
===================================================================
--- gcc/config/sparc/libgcc-sparc-glibc.ver.orig 2006-02-07 17:44:30.000000000 +0100
+++ gcc/config/sparc/libgcc-sparc-glibc.ver 2009-11-20 13:42:00.000000000 +0100
@@ -26,3 +26,36 @@ GLIBC_VER {
__frame_state_for
__register_frame_info_table
}
+
+%if !defined (__arch64__) && defined (__LONG_DOUBLE_128__)
+
+# long double 128 bit support from 32-bit libgcc_s.so.1 is only available
+# when configured with --with-long-double-128. Make sure all the
+# symbols are available at @@GCC_LDBL_* versions to make it clear
+# there is a configurable symbol set.
+
+%exclude {
+ __fixtfdi
+ __fixunstfdi
+ __floatditf
+
+ __divtc3
+ __multc3
+ __powitf2
+}
+
+%inherit GCC_LDBL_3.0 GCC_3.0
+GCC_LDBL_3.0 {
+ __fixtfdi
+ __fixunstfdi
+ __floatditf
+}
+
+%inherit GCC_LDBL_4.0.0 GCC_4.0.0
+GCC_LDBL_4.0.0 {
+ __divtc3
+ __multc3
+ __powitf2
+}
+
+%endif
Index: gcc/config/sparc/t-linux
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ gcc/config/sparc/t-linux 2009-11-20 13:42:00.000000000 +0100
@@ -0,0 +1,5 @@
+# Override t-slibgcc-elf-ver to export some libgcc symbols with
+# the symbol versions that glibc used.
+# Avoid the t-linux version file.
+SHLIB_MAPFILES = $(srcdir)/libgcc-std.ver \
+ $(srcdir)/config/sparc/libgcc-sparc-glibc.ver
Index: gcc/config/s390/t-linux
===================================================================
--- gcc/config/s390/t-linux.orig 2006-02-07 17:44:30.000000000 +0100
+++ gcc/config/s390/t-linux 2009-11-20 13:42:00.000000000 +0100
@@ -1,3 +1,6 @@
# Override t-slibgcc-elf-ver to export some libgcc symbols with
# the symbol versions that glibc used.
SHLIB_MAPFILES = $(srcdir)/libgcc-std.ver $(srcdir)/config/s390/libgcc-glibc.ver
+# Override t-slibgcc-elf-ver to export some libgcc symbols with
+# the symbol versions that glibc used.
+SHLIB_MAPFILES = $(srcdir)/libgcc-std.ver $(srcdir)/config/s390/libgcc-glibc.ver
