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GNU C Library master sources branch master updated. glibc-2.19-683-g92072d5
- From: jsm28 at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 25 Jun 2014 17:55:06 -0000
- Subject: GNU C Library master sources branch master updated. glibc-2.19-683-g92072d5
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- Log -----------------------------------------------------------------
http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=92072d57c6754a4874f673439bc2b5a30f4c8918
commit 92072d57c6754a4874f673439bc2b5a30f4c8918
Author: Joseph Myers <joseph@codesourcery.com>
Date: Wed Jun 25 17:54:44 2014 +0000
Remove BROKEN_PPC_ASM_CR0 configure test.
One piece of architecture-specific code in the main configure.ac is
the powerpc test that can define BROKEN_PPC_ASM_CR0. There's no need
to move this to a sysdeps configure script, or to work out what bug it
was testing in May 1998 to see if it's still relevant, since nothing
in the source tree now uses the results of this test. Thus, this
patch just removes the test in question.
Not tested.
* configure.ac (libc_cv_c_asmcr0_bug): Remove configure test.
* configure: Regenerated.
* config.h.in (BROKEN_PPC_ASM_CR0): Remove macro.
diff --git a/ChangeLog b/ChangeLog
index 7ba560d..3a8869f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
2014-06-25 Joseph Myers <joseph@codesourcery.com>
+ * configure.ac (libc_cv_c_asmcr0_bug): Remove configure test.
+ * configure: Regenerated.
+ * config.h.in (BROKEN_PPC_ASM_CR0): Remove macro.
+
* configure.ac (base_machine): Do not set specially for particular
machines here.
* configure: Regenerated.
diff --git a/config.h.in b/config.h.in
index a9ff1e3..38d4aa4 100644
--- a/config.h.in
+++ b/config.h.in
@@ -73,10 +73,6 @@
(gcc on ix86 only). */
#undef USE_REGPARMS
-/* Defined on PowerPC if the GCC being used has a problem with clobbering
- certain registers (CR0, MQ, CTR, LR) in asm statements. */
-#undef BROKEN_PPC_ASM_CR0
-
/* Defined on SPARC if GCC emits GOTDATA relocations. */
#undef HAVE_GCC_GOTDATA
diff --git a/configure b/configure
index e7ffb83..34bcd53 100755
--- a/configure
+++ b/configure
@@ -6596,40 +6596,6 @@ if test $libc_cv_gcc_exceptions = yes; then
exceptions=-fexceptions
fi
-if test "$host_cpu" = powerpc ; then
-# Check for a bug present in at least versions 2.8.x of GCC
-# and versions 1.0.x of EGCS.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether clobbering cr0 causes problems" >&5
-$as_echo_n "checking whether clobbering cr0 causes problems... " >&6; }
-if ${libc_cv_c_asmcr0_bug+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-int tester(int x) { asm ("" : : : "cc"); return x & 123; }
-int
-main ()
-{
-
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- libc_cv_c_asmcr0_bug='no'
-else
- libc_cv_c_asmcr0_bug='yes'
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_c_asmcr0_bug" >&5
-$as_echo "$libc_cv_c_asmcr0_bug" >&6; }
-if test "$libc_cv_c_asmcr0_bug" != 'no'; then
- $as_echo "#define BROKEN_PPC_ASM_CR0 1" >>confdefs.h
-
-fi
-fi
-
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_memset" >&5
$as_echo_n "checking for __builtin_memset... " >&6; }
if ${libc_cv_gcc_builtin_memset+:} false; then :
diff --git a/configure.ac b/configure.ac
index 2d5b902..589b3d0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1763,18 +1763,6 @@ if test $libc_cv_gcc_exceptions = yes; then
fi
AC_SUBST(exceptions)dnl
-if test "$host_cpu" = powerpc ; then
-# Check for a bug present in at least versions 2.8.x of GCC
-# and versions 1.0.x of EGCS.
-AC_CACHE_CHECK(whether clobbering cr0 causes problems,libc_cv_c_asmcr0_bug,[dnl
-AC_TRY_COMPILE([int tester(int x) { asm ("" : : : "cc"); return x & 123; }],,
- libc_cv_c_asmcr0_bug='no',
- libc_cv_c_asmcr0_bug='yes')])
-if test "$libc_cv_c_asmcr0_bug" != 'no'; then
- AC_DEFINE(BROKEN_PPC_ASM_CR0)
-fi
-fi
-
AC_CACHE_CHECK(for __builtin_memset, libc_cv_gcc_builtin_memset, [dnl
cat > conftest.c <<\EOF
void zero (void *x)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 4 ++++
config.h.in | 4 ----
configure | 34 ----------------------------------
configure.ac | 12 ------------
4 files changed, 4 insertions(+), 50 deletions(-)
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