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authorStefan Reinauer <stepan@coresystems.de>2010-05-17 11:02:25 +0000
committerStefan Reinauer <stepan@openbios.org>2010-05-17 11:02:25 +0000
commit5f1ad890203748e8440101edbd72ab12ff44a9b8 (patch)
tree571eee6d6d4c90b1dbda167b1ba51da223bfdc7e
parent119c58910c355278021123226ae0fab0bc6d5835 (diff)
New buildgcc version.
Signed-off-by: Stefan Reinauer <stepan@coresystems.de> Acked-by: Patrick Georgi <patrick.georgi@coresystems.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5568 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
-rwxr-xr-xutil/crossgcc/buildgcc147
-rw-r--r--util/crossgcc/patches/mpfr-2.4.2_allpatches_20100308.patch266
2 files changed, 382 insertions, 31 deletions
diff --git a/util/crossgcc/buildgcc b/util/crossgcc/buildgcc
index bacaf500a7..d33c6e94f9 100755
--- a/util/crossgcc/buildgcc
+++ b/util/crossgcc/buildgcc
@@ -1,6 +1,6 @@
#!/bin/bash
#
-# Copyright (C) 2008-2009 by coresystems GmbH
+# Copyright (C) 2008-2010 by coresystems GmbH
# written by Patrick Georgi <patrick.georgi@coresystems.de> and
# Stefan Reinauer <stefan.reinauer@coresystems.de>
#
@@ -18,8 +18,8 @@
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
#
-CROSSGCC_DATE="August 18th, 2009"
-CROSSGCC_VERSION="0.9"
+CROSSGCC_DATE="March 29th, 2010"
+CROSSGCC_VERSION="1.0"
# default settings
TARGETDIR=`pwd`/xgcc
@@ -27,17 +27,21 @@ TARGETARCH=i386-elf
DESTDIR=
# version numbers
-GMP_VERSION=4.3.1
+GMP_VERSION=5.0.1
MPFR_VERSION=2.4.2
-GCC_VERSION=4.4.2
-BINUTILS_VERSION=2.20
-GDB_VERSION=7.0
+MPC_VERSION=0.8.2
+LIBELF_VERSION=0.8.13
+GCC_VERSION=4.5.0 # enable for Link Time Optimization & Co
+BINUTILS_VERSION=2.20.1
+GDB_VERSION=7.1
W32API_VERSION=3.14
MINGWRT_VERSION=3.18
# archive locations
GMP_ARCHIVE="ftp://ftp.gmplib.org/pub/gmp-${GMP_VERSION}/gmp-${GMP_VERSION}.tar.bz2"
MPFR_ARCHIVE="http://www.mpfr.org/mpfr-${MPFR_VERSION}/mpfr-${MPFR_VERSION}.tar.bz2"
+MPC_ARCHIVE="http://www.multiprecision.org/mpc/download/mpc-${MPC_VERSION}.tar.gz"
+LIBELF_ARCHIVE="http://www.mr511.de/software/libelf-${LIBELF_VERSION}.tar.gz"
GCC_ARCHIVE="ftp://ftp.gwdg.de/pub/gnu/ftp/gnu/gcc/gcc-${GCC_VERSION}/gcc-core-${GCC_VERSION}.tar.bz2"
BINUTILS_ARCHIVE="http://ftp.gnu.org/gnu/binutils/binutils-${BINUTILS_VERSION}.tar.bz2"
GDB_ARCHIVE="http://ftp.gnu.org/gnu/gdb/gdb-${GDB_VERSION}.tar.bz2"
@@ -46,6 +50,8 @@ MINGWRT_ARCHIVE="http://downloads.sourceforge.net/project/mingw/MinGW%20Runtime/
GMP_DIR="gmp-${GMP_VERSION}"
MPFR_DIR="mpfr-${MPFR_VERSION}"
+MPC_DIR="mpc-${MPC_VERSION}"
+LIBELF_DIR="libelf-${LIBELF_VERSION}"
GCC_DIR="gcc-${GCC_VERSION}"
BINUTILS_DIR="binutils-${BINUTILS_VERSION}"
GDB_DIR="gdb-${GDB_VERSION}"
@@ -88,7 +94,7 @@ MAKE=`searchgnu make`
cleanup()
{
printf "Cleaning up temporary files... "
- rm -rf build-* combined gcc-* gmp-* mpfr-* binutils-* gdb-* w32api-* mingwrt-*
+ rm -rf build-* combined gcc-* gmp-* mpfr-* mpc-* libelf-* binutils-* gdb-* w32api-* mingwrt-*
printf "${green}ok${NC}\n"
}
@@ -117,7 +123,7 @@ myversion()
# version tag is always printed, so just print the license here
cat << EOF
-Copyright (C) 2008-2009 by coresystems GmbH
+Copyright (C) 2008-2010 by coresystems GmbH
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -175,9 +181,33 @@ if [ "$TARGETARCH" = "i386-mingw32" ]; then
MINGW_ARCHIVES="$W32API_ARCHIVE $MINGWRT_ARCHIVE"
fi
+if [ ${GCC_VERSION} == "4.5.0" -o ${GCC_VERSION} == "4.6.0" ]; then
+ # coreboot does not like the GOLD linker
+ # USE_GOLD="--enable-gold"
+ USE_GOLD=""
+ GCC_OPTIONS="--enable-lto"
+fi
+
+if [ ${GCC_VERSION} == "4.6.0" ]; then
+ if [ ! -r tarballs/gcc-core-${GCC_VERSION}.tar.bz2 ]; then
+ printf "Pre-Release GCC ${GCC_VERSION}, checking out subversion trunk\n"
+ mkdir -p tarballs/.tmp
+ cd tarballs/.tmp
+ rm -rf gcc-${GCC_VERSION}
+ svn export -q svn://gcc.gnu.org/svn/gcc/trunk gcc-${GCC_VERSION}
+ printf "done. Now creating tar ball...\n"
+ tar cjf ../gcc-core-${GCC_VERSION}.tar.bz2 gcc-${GCC_VERSION}
+ printf "done. Now cleaning up...\n"
+ cd ..
+ rm -rf .tmp
+ cd ..
+ printf "done.\n"
+ fi
+fi
+
printf "Downloading tar balls ... \n"
mkdir -p tarballs
-for ARCHIVE in $GMP_ARCHIVE $MPFR_ARCHIVE $GCC_ARCHIVE $BINUTILS_ARCHIVE $GDB_ARCHIVE $MINGW_ARCHIVES; do
+for ARCHIVE in $GMP_ARCHIVE $MPFR_ARCHIVE $MPC_ARCHIVE $LIBELF_ARCHIVE $GCC_ARCHIVE $BINUTILS_ARCHIVE $GDB_ARCHIVE $MINGW_ARCHIVES; do
FILE=`basename $ARCHIVE`
printf " * $FILE "
test -f tarballs/$FILE && printf "(cached)" || (
@@ -185,7 +215,7 @@ for ARCHIVE in $GMP_ARCHIVE $MPFR_ARCHIVE $GCC_ARCHIVE $BINUTILS_ARCHIVE $GDB_AR
cd tarballs
wget -q $ARCHIVE
)
- test -f tarballs/$FILE || printf "Failed to download $FILE.\n"
+ test -f tarballs/$FILE || printf "\n${RED}Failed to download $FILE.${red}\n"
test -f tarballs/$FILE || exit 1
printf "\n"
done
@@ -198,7 +228,7 @@ if [ "$TARGETARCH" = "i386-mingw32" ]; then
fi
printf "Unpacking and patching ... \n"
-for PACKAGE in GMP MPFR GCC BINUTILS GDB $MINGW_PACKAGES; do
+for PACKAGE in GMP MPFR MPC LIBELF GCC BINUTILS GDB $MINGW_PACKAGES; do
archive=$PACKAGE"_ARCHIVE"
archive=${!archive}
dir=$PACKAGE"_DIR"
@@ -223,7 +253,29 @@ if [ "$TARGETARCH" = "i386-mingw32" ]; then
mv $MINGWRT_DIR/include/* $W32API_DIR/include/* $TARGETDIR/i386-mingw32/sys-include
fi
-mkdir -p build-gmp build-mpfr build-binutils build-gcc build-gdb
+if [ `uname` = "Darwin" ]; then
+ #GCC_OPTIONS="$GCC_OPTIONS --enable-threads=posix"
+
+ # generally the OS X compiler can create x64 binaries.
+ # Per default it generated i386 binaries in 10.5 and x64
+ # binaries in 10.6 (even if the kernel is 32bit)
+ # For some weird reason, 10.5 autodetects an ABI=64 though
+ # so we're setting the ABI explicitly here.
+ if [ `sysctl -n hw.optional.x86_64` -eq 1 ]; then
+ OPTIONS="ABI=64"
+ else
+ OPTIONS="ABI=32"
+ fi
+ # old check:
+ #OPTIONS="ABI=32"
+ #touch .architecture_check.c
+ #gcc .architecture_check.c -c -o .architecture_check.o
+ #ARCH=`file .architecture_check.o |cut -f5 -d\ `
+ #test "$ARCH" = "x86_64" && OPTIONS="ABI=64"
+ #rm .architecture_check.c .architecture_check.o
+fi
+
+mkdir -p build-gmp build-mpfr build-mpc build-libelf build-binutils build-gcc build-gdb
if [ -f build-gmp/.success ]; then
printf "Skipping GMP as it is already built\n"
else
@@ -231,20 +283,6 @@ printf "Building GMP ${GMP_VERSION} ... "
(
cd build-gmp
rm -f .failed
- if [ `uname` = "Darwin" ]; then
- # generally the OS X compiler can create x64 binaries.
- # Per default it generated i386 binaries in 10.5 and x64
- # binaries in 10.6 (even if the kernel is 32bit)
- # For some weird reason, 10.5 autodetects an ABI=64 though
- # so we're setting the ABI explicitly here.
- OPTIONS="ABI=32"
- touch .architecture_check.c
- gcc .architecture_check.c -c -o .architecture_check.o
- ARCH=`file .architecture_check.o |cut -f5 -d\ `
- test "$ARCH" = "x86_64" && OPTIONS="ABI=64"
- rm .architecture_check.c .architecture_check.o
- fi
-
../${GMP_DIR}/configure --disable-shared --prefix=$TARGETDIR $OPTIONS \
|| touch .failed
$MAKE $JOBS || touch .failed
@@ -288,15 +326,57 @@ test -r build-mpfr/.failed && printf "${RED}failed${NC}\n" || printf "${green}ok
test -r build-mpfr/.failed && exit 1
fi
+if [ -f build-mpc/.success ]; then
+ printf "Skipping MPC as it is already built\n"
+else
+printf "Building MPC ${MPC_VERSION} ... "
+(
+ #test `uname` = "Darwin" && CFLAGS="$CFLAGS -force_cpusubtype_ALL"
+ cd build-mpc
+ rm -f .failed
+ ../${MPC_DIR}/configure --disable-shared --prefix=$TARGETDIR \
+ --infodir=$TARGETDIR/info --with-mpfr=$DESTDIR$TARGETDIR \
+ --with-gmp=$DESTDIR$TARGETDIR CFLAGS="$HOSTCFLAGS" || touch .failed
+ $MAKE $JOBS || touch .failed
+ $MAKE install DESTDIR=$DESTDIR || touch .failed
+
+ if [ ! -f .failed ]; then touch .success; fi
+) &> build-mpc/crossgcc-build.log
+test -r build-mpc/.failed && printf "${RED}failed${NC}\n" || printf "${green}ok${NC}\n"
+test -r build-mpc/.failed && exit 1
+fi
+
+if [ -f build-libelf/.success ]; then
+ printf "Skipping libelf as it is already built\n"
+else
+printf "Building libelf ${LIBELF_VERSION} ... "
+(
+ cd build-libelf
+ rm -f .failed
+ echo "$HOSTCFLAGS"
+ CFLAGS="$HOSTCFLAGS" ../${LIBELF_DIR}/configure --disable-shared --prefix=$TARGETDIR \
+ --infodir=$TARGETDIR/info CFLAGS="$HOSTCFLAGS" || touch .failed
+ $MAKE $JOBS || touch .failed
+ $MAKE install DESTDIR=$DESTDIR || touch .failed
+
+ if [ ! -f .failed ]; then touch .success; fi
+) &> build-libelf/crossgcc-build.log
+test -r build-libelf/.failed && printf "${RED}failed${NC}\n" || printf "${green}ok${NC}\n"
+test -r build-libelf/.failed && exit 1
+fi
+
if [ -f build-binutils/.success ]; then
printf "Skipping binutils as it is already built\n"
else
printf "Building binutils ${BINUTILS_VERSION} ... "
(
+ # workaround for building binutils 2.20.1 on MINGW:
+ touch ../binutils-${BINUTILS_VERSION}/bfd/doc/bfd.info
+ # now build binutils
cd build-binutils
rm -f .failed
../binutils-${BINUTILS_VERSION}/configure --prefix=$TARGETDIR --target=${TARGETARCH} \
- --disable-werror --disable-nls \
+ --disable-werror --disable-nls $USE_GOLD \
CFLAGS="$HOSTCFLAGS" || touch .failed
$MAKE $JOBS || touch .failed
$MAKE install DESTDIR=$DESTDIR || touch .failed
@@ -318,11 +398,14 @@ printf "Building GCC ${GCC_VERSION} ... "
# There's a work-around called CFLAGS_FOR_BUILD and CFLAGS_FOR_TARGET
# but it does not seem to work properly. At least the host library
# libiberty is not compiled with CFLAGS_FOR_BUILD.
- CFLAGS_FOR_BUILD="$HOSTCFLAGS" ../gcc-${GCC_VERSION}/configure \
+ CFLAGS_FOR_TARGET="-O2" CFLAGS="$HOSTCFLAGS" CFLAGS_FOR_BUILD="$HOSTCFLAGS" ../gcc-${GCC_VERSION}/configure \
--prefix=$TARGETDIR --libexecdir=$TARGETDIR/lib \
--target=${TARGETARCH} --disable-werror --disable-shared \
--disable-libssp --disable-bootstrap --disable-nls \
+ $GCC_OPTIONS --enable-languages="c" $USE_GOLD \
--with-gmp=$DESTDIR$TARGETDIR --with-mpfr=$DESTDIR$TARGETDIR \
+ --with-mpc=$DESTDIR$TARGETDIR --with-libelf=$DESTDIR$TARGETDIR \
+ --with-pkgversion="coreboot toolchain v$CROSSGCC_VERSION $CROSSGCC_DATE" \
|| touch .failed
$MAKE $JOBS CFLAGS_FOR_BUILD="$HOSTCFLAGS" || touch .failed
$MAKE install DESTDIR=$DESTDIR || touch .failed
@@ -340,8 +423,8 @@ printf "Building GDB ${GDB_VERSION} ... "
cd build-gdb
export PATH=$PATH:$PREFIX/bin
rm -f .failed
- ../gdb-${GDB_VERSION}/configure --prefix=$TARGETDIR --target=${TARGETARCH} \
- --disable-werror --disable-nls
+ CFLAGS="$HOSTCFLAGS" ../gdb-${GDB_VERSION}/configure --prefix=$TARGETDIR --target=${TARGETARCH} \
+ --without-python --disable-werror --disable-nls
$MAKE $JOBS || touch .failed
$MAKE install DESTDIR=$DESTDIR || touch .failed
if [ ! -f .failed ]; then touch .success; fi
@@ -354,6 +437,8 @@ if [ $SAVETEMPS -eq 0 ]; then
printf "Cleaning up... "
rm -rf ${GMP_DIR} build-gmp
rm -rf ${MPFR_DIR} build-mpfr
+ rm -rf ${MPC_DIR} build-mpc
+ rm -rf ${LIBELF_DIR} build-libelf
rm -rf ${BINUTILS_DIR} build-binutils
rm -rf ${GCC_DIR} build-gcc
rm -rf ${GDB_DIR} build-gdb
diff --git a/util/crossgcc/patches/mpfr-2.4.2_allpatches_20100308.patch b/util/crossgcc/patches/mpfr-2.4.2_allpatches_20100308.patch
new file mode 100644
index 0000000000..66033378ba
--- /dev/null
+++ b/util/crossgcc/patches/mpfr-2.4.2_allpatches_20100308.patch
@@ -0,0 +1,266 @@
+diff -ur mpfr-2.4.2.orig/PATCHES mpfr-2.4.2/PATCHES
+--- mpfr-2.4.2.orig/PATCHES 2010-03-08 22:28:46.000000000 +0100
++++ mpfr-2.4.2/PATCHES 2010-03-08 22:28:53.000000000 +0100
+@@ -0,0 +1,3 @@
++gmp5
++longlong.h
++sin_cos_underflow
+diff -ur mpfr-2.4.2.orig/VERSION mpfr-2.4.2/VERSION
+--- mpfr-2.4.2.orig/VERSION 2010-03-08 22:28:46.000000000 +0100
++++ mpfr-2.4.2/VERSION 2010-03-08 22:28:53.000000000 +0100
+@@ -1 +1 @@
+-2.4.2
++2.4.2-p3
+diff -ur mpfr-2.4.2.orig/configure mpfr-2.4.2/configure
+--- mpfr-2.4.2.orig/configure 2010-03-08 22:28:46.000000000 +0100
++++ mpfr-2.4.2/configure 2010-03-08 22:28:53.000000000 +0100
+@@ -20449,6 +20449,9 @@
+ main ()
+ {
+
++#ifndef BITS_PER_MP_LIMB
++#define BITS_PER_MP_LIMB GMP_LIMB_BITS
++#endif
+ return BITS_PER_MP_LIMB == BYTES_PER_MP_LIMB * CHAR_BIT
+ && sizeof(mp_limb_t) == BYTES_PER_MP_LIMB ? 0 : 1;
+
+diff -ur mpfr-2.4.2.orig/configure.in mpfr-2.4.2/configure.in
+--- mpfr-2.4.2.orig/configure.in 2010-03-08 22:28:46.000000000 +0100
++++ mpfr-2.4.2/configure.in 2010-03-08 22:28:53.000000000 +0100
+@@ -424,6 +424,9 @@
+ #include "gmp.h"
+ #include "gmp-impl.h"
+ ]], [[
++#ifndef BITS_PER_MP_LIMB
++#define BITS_PER_MP_LIMB GMP_LIMB_BITS
++#endif
+ return BITS_PER_MP_LIMB == BYTES_PER_MP_LIMB * CHAR_BIT
+ && sizeof(mp_limb_t) == BYTES_PER_MP_LIMB ? 0 : 1;
+ ]])], [AC_MSG_RESULT(yes)], [
+diff -ur mpfr-2.4.2.orig/mpfr-impl.h mpfr-2.4.2/mpfr-impl.h
+--- mpfr-2.4.2.orig/mpfr-impl.h 2010-03-08 22:28:46.000000000 +0100
++++ mpfr-2.4.2/mpfr-impl.h 2010-03-08 22:28:53.000000000 +0100
+@@ -65,6 +65,12 @@
+ # ifndef __GMP_IMPL_H__
+ # include "gmp-impl.h"
+ # endif
++# ifndef BITS_PER_MP_LIMB
++# define BITS_PER_MP_LIMB GMP_LIMB_BITS
++# endif
++#ifndef mpn_sqr_n
++# define mpn_sqr_n mpn_sqr
++#endif
+ # ifdef MPFR_NEED_LONGLONG_H
+ # include "longlong.h"
+ # endif
+diff -ur mpfr-2.4.2.orig/mpfr-longlong.h mpfr-2.4.2/mpfr-longlong.h
+--- mpfr-2.4.2.orig/mpfr-longlong.h 2010-03-08 22:28:46.000000000 +0100
++++ mpfr-2.4.2/mpfr-longlong.h 2010-03-08 22:28:53.000000000 +0100
+@@ -1011,7 +1011,15 @@
+ #endif /* __m88000__ */
+
+ #if defined (__mips) && W_TYPE_SIZE == 32
+-#if __GNUC__ > 2 || __GNUC_MINOR__ >= 7
++#if (__GNUC__ >= 5) || (__GNUC__ >= 4 && __GNUC_MINOR__ >= 4)
++#define umul_ppmm(w1, w0, u, v) \
++ do { \
++ UDItype _r; \
++ _r = (UDItype) u * v; \
++ (w1) = _r >> 32; \
++ (w0) = (USItype) _r; \
++ } while (0)
++#elif __GNUC__ > 2 || __GNUC_MINOR__ >= 7
+ #define umul_ppmm(w1, w0, u, v) \
+ __asm__ ("multu %2,%3" : "=l" (w0), "=h" (w1) : "d" (u), "d" (v))
+ #else
+@@ -1024,7 +1032,16 @@
+ #endif /* __mips */
+
+ #if (defined (__mips) && __mips >= 3) && W_TYPE_SIZE == 64
+-#if __GNUC__ > 2 || __GNUC_MINOR__ >= 7
++#if (__GNUC__ >= 5) || (__GNUC__ >= 4 && __GNUC_MINOR__ >= 4)
++typedef unsigned int UTItype __attribute__ ((mode (TI)));
++#define umul_ppmm(w1, w0, u, v) \
++ do { \
++ UTItype _r; \
++ _r = (UTItype) u * v; \
++ (w1) = _r >> 64; \
++ (w0) = (UDItype) _r; \
++ } while (0)
++#elif __GNUC__ > 2 || __GNUC_MINOR__ >= 7
+ #define umul_ppmm(w1, w0, u, v) \
+ __asm__ ("dmultu %2,%3" : "=l" (w0), "=h" (w1) : "d" (u), "d" (v))
+ #else
+diff -ur mpfr-2.4.2.orig/mpfr.h mpfr-2.4.2/mpfr.h
+--- mpfr-2.4.2.orig/mpfr.h 2010-03-08 22:28:46.000000000 +0100
++++ mpfr-2.4.2/mpfr.h 2010-03-08 22:28:53.000000000 +0100
+@@ -27,7 +27,7 @@
+ #define MPFR_VERSION_MAJOR 2
+ #define MPFR_VERSION_MINOR 4
+ #define MPFR_VERSION_PATCHLEVEL 2
+-#define MPFR_VERSION_STRING "2.4.2"
++#define MPFR_VERSION_STRING "2.4.2-p3"
+
+ /* Macros dealing with MPFR VERSION */
+ #define MPFR_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
+diff -ur mpfr-2.4.2.orig/sin_cos.c mpfr-2.4.2/sin_cos.c
+--- mpfr-2.4.2.orig/sin_cos.c 2010-03-08 22:28:46.000000000 +0100
++++ mpfr-2.4.2/sin_cos.c 2010-03-08 22:28:53.000000000 +0100
+@@ -82,17 +82,19 @@
+ if (y != x)
+ /* y and x differ, thus we can safely try to compute y first */
+ {
+- MPFR_FAST_COMPUTE_IF_SMALL_INPUT (y, x, -2 * expx, 2, 0, rnd_mode,
+- { inexy = _inexact;
+- goto small_input; });
++ MPFR_FAST_COMPUTE_IF_SMALL_INPUT (
++ y, x, -2 * expx, 2, 0, rnd_mode,
++ { inexy = _inexact;
++ goto small_input; });
+ if (0)
+ {
+ small_input:
+ /* we can go here only if we can round sin(x) */
+- MPFR_FAST_COMPUTE_IF_SMALL_INPUT (z, __gmpfr_one, -2 * expx,
+- 1, 0, rnd_mode,
+- { inexz = _inexact;
+- goto end; });
++ MPFR_FAST_COMPUTE_IF_SMALL_INPUT (
++ z, __gmpfr_one, -2 * expx, 1, 0, rnd_mode,
++ { inexz = _inexact;
++ MPFR_SAVE_EXPO_UPDATE_FLAGS (expo, __gmpfr_flags);
++ goto end; });
+ }
+
+ /* if we go here, one of the two MPFR_FAST_COMPUTE_IF_SMALL_INPUT
+@@ -101,18 +103,19 @@
+ else /* y and x are the same variable: try to compute z first, which
+ necessarily differs */
+ {
+- MPFR_FAST_COMPUTE_IF_SMALL_INPUT (z, __gmpfr_one, -2 * expx,
+- 1, 0, rnd_mode,
+- { inexz = _inexact;
+- goto small_input2; });
++ MPFR_FAST_COMPUTE_IF_SMALL_INPUT (
++ z, __gmpfr_one, -2 * expx, 1, 0, rnd_mode,
++ { inexz = _inexact;
++ goto small_input2; });
+ if (0)
+ {
+ small_input2:
+ /* we can go here only if we can round cos(x) */
+- MPFR_FAST_COMPUTE_IF_SMALL_INPUT (y, x, -2 * expx, 2, 0,
+- rnd_mode,
+- { inexy = _inexact;
+- goto end; });
++ MPFR_FAST_COMPUTE_IF_SMALL_INPUT (
++ y, x, -2 * expx, 2, 0, rnd_mode,
++ { inexy = _inexact;
++ MPFR_SAVE_EXPO_UPDATE_FLAGS (expo, __gmpfr_flags);
++ goto end; });
+ }
+ }
+ m += 2 * (-expx);
+@@ -207,7 +210,6 @@
+ mpfr_clear (xr);
+
+ end:
+- /* FIXME: update the underflow flag if need be. */
+ MPFR_SAVE_EXPO_FREE (expo);
+ mpfr_check_range (y, inexy, rnd_mode);
+ mpfr_check_range (z, inexz, rnd_mode);
+diff -ur mpfr-2.4.2.orig/tests/tsin_cos.c mpfr-2.4.2/tests/tsin_cos.c
+--- mpfr-2.4.2.orig/tests/tsin_cos.c 2010-03-08 22:28:46.000000000 +0100
++++ mpfr-2.4.2/tests/tsin_cos.c 2010-03-08 22:28:53.000000000 +0100
+@@ -382,23 +382,56 @@
+ consistency (void)
+ {
+ mpfr_t x, s1, s2, c1, c2;
++ mp_exp_t emin, emax;
+ mp_rnd_t rnd;
++ unsigned int flags_sin, flags_cos, flags, flags_before, flags_ref;
++ int inex_sin, inex_cos, inex, inex_ref;
+ int i;
+
++ emin = mpfr_get_emin ();
++ emax = mpfr_get_emax ();
++
+ for (i = 0; i <= 10000; i++)
+ {
+ mpfr_init2 (x, MPFR_PREC_MIN + (randlimb () % 8));
+ mpfr_inits2 (MPFR_PREC_MIN + (randlimb () % 8), s1, s2, c1, c2,
+ (mpfr_ptr) 0);
+- tests_default_random (x, 256, -5, 50);
+- rnd = RND_RAND ();
+- mpfr_sin (s1, x, rnd);
+- mpfr_cos (c1, x, rnd);
+- mpfr_sin_cos (s2, c2, x, rnd);
+- if (!(mpfr_equal_p (s1, s2) && mpfr_equal_p (c1, c2)))
++ if (i < 8 * GMP_RND_MAX)
++ {
++ int j = i / GMP_RND_MAX;
++ if (j & 1)
++ mpfr_set_emin (MPFR_EMIN_MIN);
++ mpfr_set_si (x, (j & 2) ? 1 : -1, GMP_RNDN);
++ mpfr_set_exp (x, mpfr_get_emin ());
++ rnd = (mpfr_rnd_t) (i % GMP_RND_MAX);
++ flags_before = 0;
++ if (j & 4)
++ mpfr_set_emax (-17);
++ }
++ else
++ {
++ tests_default_random (x, 256, -5, 50);
++ rnd = RND_RAND ();
++ flags_before = (randlimb () & 1) ?
++ (unsigned int) (MPFR_FLAGS_ALL ^ MPFR_FLAGS_ERANGE) :
++ (unsigned int) 0;
++ }
++ __gmpfr_flags = flags_before;
++ inex_sin = mpfr_sin (s1, x, rnd);
++ flags_sin = __gmpfr_flags;
++ __gmpfr_flags = flags_before;
++ inex_cos = mpfr_cos (c1, x, rnd);
++ flags_cos = __gmpfr_flags;
++ __gmpfr_flags = flags_before;
++ inex = !!mpfr_sin_cos (s2, c2, x, rnd);
++ flags = __gmpfr_flags;
++ inex_ref = inex_sin || inex_cos;
++ flags_ref = flags_sin | flags_cos;
++ if (!(mpfr_equal_p (s1, s2) && mpfr_equal_p (c1, c2)) ||
++ inex != inex_ref || flags != flags_ref)
+ {
+- printf ("mpfr_sin_cos and mpfr_sin/mpfr_cos disagree on %s,\nx = ",
+- mpfr_print_rnd_mode (rnd));
++ printf ("mpfr_sin_cos and mpfr_sin/mpfr_cos disagree on %s,"
++ " i = %d\nx = ", mpfr_print_rnd_mode (rnd), i);
+ mpfr_dump (x);
+ printf ("s1 = ");
+ mpfr_dump (s1);
+@@ -408,9 +441,16 @@
+ mpfr_dump (c1);
+ printf ("c2 = ");
+ mpfr_dump (c2);
++ printf ("inex_sin = %d, inex_cos = %d, inex = %d (expected %d)\n",
++ inex_sin, inex_cos, inex, inex_ref);
++ printf ("flags_sin = 0x%x, flags_cos = 0x%x, "
++ "flags = 0x%x (expected 0x%x)\n",
++ flags_sin, flags_cos, flags, flags_ref);
+ exit (1);
+ }
+ mpfr_clears (x, s1, s2, c1, c2, (mpfr_ptr) 0);
++ mpfr_set_emin (emin);
++ mpfr_set_emax (emax);
+ }
+ }
+
+diff -ur mpfr-2.4.2.orig/version.c mpfr-2.4.2/version.c
+--- mpfr-2.4.2.orig/version.c 2010-03-08 22:28:46.000000000 +0100
++++ mpfr-2.4.2/version.c 2010-03-08 22:28:53.000000000 +0100
+@@ -25,5 +25,5 @@
+ const char *
+ mpfr_get_version (void)
+ {
+- return "2.4.2";
++ return "2.4.2-p3";
+ }