* acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
* configure.ac: Use it.
* config.h.in, configure: Rebuild.
* testsuite/Makefile.in: Rebuild.
From-SVN: r193017
+2012-10-31 Richard Henderson <rth@redhat.com>
+
+ * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
+ * configure.ac: Use it.
+ * config.h.in, configure: Rebuild.
+ * testsuite/Makefile.in: Rebuild.
+
2012-10-24 Torvald Riegel <triegel@redhat.com>
* libitm.texi: Clarify ABI requirements for data-logging functions.
;;
esac])
+dnl Check if as supports RTM instructions.
+AC_DEFUN([LIBITM_CHECK_AS_RTM], [
+case "${target_cpu}" in
+i[[34567]]86 | x86_64)
+ AC_CACHE_CHECK([if the assembler supports RTM], libitm_cv_as_rtm, [
+ AC_TRY_COMPILE([], [asm("1: xbegin 1b; xend");],
+ [libitm_cv_as_rtm=yes], [libitm_cv_as_rtm=no])
+ ])
+ if test x$libitm_cv_as_rtm = xyes; then
+ AC_DEFINE(HAVE_AS_RTM, 1, [Define to 1 if the assembler supports RTM.])
+ fi
+ ;;
+esac])
+
sinclude(../libtool.m4)
dnl The lines below arrange for aclocal not to bring an installed
dnl libtool.m4 into aclocal.m4, while still arranging for automake to
/* Define if your assembler supports .cfi_* directives. */
#undef HAVE_AS_CFI_PSEUDO_OP
+/* Define to 1 if the assembler supports RTM. */
+#undef HAVE_AS_RTM
+
/* Define to 1 if the target supports __attribute__((alias(...))). */
#undef HAVE_ATTRIBUTE_ALIAS
am__fastdepCC_FALSE
am__fastdepCC_TRUE
CCDEPMODE
+am__nodep
AMDEPBACKSLASH
AMDEP_FALSE
AMDEP_TRUE
# We need awk for the "check" target. The system "awk" is bad on
# some platforms.
-# Always define AMTAR for backward compatibility.
+# Always define AMTAR for backward compatibility. Yes, it's still used
+# in the wild :-( We should find a proper way to deprecate it ...
+AMTAR='$${TAR-tar}'
-AMTAR=${AMTAR-"${am_missing_run}tar"}
-
-am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'
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if test "x$enable_dependency_tracking" != xno; then
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AMDEPBACKSLASH='\'
+ am__nodep='_no'
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AMDEP_TRUE=
# instance it was reported that on HP-UX the gcc test will end up
# making a dummy file named `D' -- because `-MD' means `put the output
# in D'.
+ rm -rf conftest.dir
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# Copy depcomp to subdir because otherwise we won't find it if we're
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break
fi
;;
- msvisualcpp | msvcmsys)
+ msvc7 | msvc7msys | msvisualcpp | msvcmsys)
# This compiler won't grok `-c -o', but also, the minuso test has
# not run yet. These depmodes are late enough in the game, and
# so weak that their functioning should not be impacted.
# instance it was reported that on HP-UX the gcc test will end up
# making a dummy file named `D' -- because `-MD' means `put the output
# in D'.
+ rm -rf conftest.dir
mkdir conftest.dir
# Copy depcomp to subdir because otherwise we won't find it if we're
# using a relative directory.
break
fi
;;
- msvisualcpp | msvcmsys)
+ msvc7 | msvc7msys | msvisualcpp | msvcmsys)
# This compiler won't grok `-c -o', but also, the minuso test has
# not run yet. These depmodes are late enough in the game, and
# so weak that their functioning should not be impacted.
# instance it was reported that on HP-UX the gcc test will end up
# making a dummy file named `D' -- because `-MD' means `put the output
# in D'.
+ rm -rf conftest.dir
mkdir conftest.dir
# Copy depcomp to subdir because otherwise we won't find it if we're
# using a relative directory.
break
fi
;;
- msvisualcpp | msvcmsys)
+ msvc7 | msvc7msys | msvisualcpp | msvcmsys)
# This compiler won't grok `-c -o', but also, the minuso test has
# not run yet. These depmodes are late enough in the game, and
# so weak that their functioning should not be impacted.
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 11782 "configure"
+#line 11787 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 11888 "configure"
+#line 11893 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
;;
esac
+case "${target_cpu}" in
+i[34567]86 | x86_64)
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if the assembler supports RTM" >&5
+$as_echo_n "checking if the assembler supports RTM... " >&6; }
+if test "${libitm_cv_as_rtm+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+asm("1: xbegin 1b; xend");
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ libitm_cv_as_rtm=yes
+else
+ libitm_cv_as_rtm=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libitm_cv_as_rtm" >&5
+$as_echo "$libitm_cv_as_rtm" >&6; }
+ if test x$libitm_cv_as_rtm = xyes; then
+
+$as_echo "#define HAVE_AS_RTM 1" >>confdefs.h
+
+ fi
+ ;;
+esac
+
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether weak refs work like ELF" >&5
$as_echo_n "checking whether weak refs work like ELF... " >&6; }
LIBITM_CHECK_SYNC_BUILTINS
LIBITM_CHECK_64BIT_SYNC_BUILTINS
LIBITM_CHECK_AS_AVX
+LIBITM_CHECK_AS_RTM
GCC_CHECK_ELF_STYLE_WEAKREF
host_triplet = @host@
target_triplet = @target@
subdir = testsuite
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SOURCES =
-DIST_SOURCES =
DEJATOOL = $(PACKAGE)
RUNTESTDEFAULTFLAGS = --tool $$tool --srcdir $$srcdir
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ACLOCAL = @ACLOCAL@
AMTAR = @AMTAR@
AR = @AR@
-l='$(DEJATOOL)'; for tool in $$l; do \
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-
-distdir: $(DISTFILES)
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- done
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$(MAKE) $(AM_MAKEFLAGS) check-DEJAGNU
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.PHONY: all all-am check check-DEJAGNU check-am clean clean-generic \
clean-libtool distclean distclean-DEJAGNU distclean-generic \
- distclean-libtool distdir dvi dvi-am html html-am info info-am \
- install install-am install-data install-data-am install-dvi \
+ distclean-libtool dvi dvi-am html html-am info info-am install \
+ install-am install-data install-data-am install-dvi \
install-dvi-am install-exec install-exec-am install-html \
install-html-am install-info install-info-am install-man \
install-pdf install-pdf-am install-ps install-ps-am \
projects / platform / upstream / gcc.git / commitdiff