Merge commit 'origin/master' into fedora/master

Conflicts:
	ChangeLog
	sysdeps/unix/sysv/linux/i386/sysconf.c
	sysdeps/x86_64/cacheinfo.c
	version.h

3 files changed, 105 insertions, 1 deletions

diff --git a/sysdeps/ia64/configure b/sysdeps/ia64/configure
new file mode 100644
index 0000000000..88caca5386
--- /dev/null
+++ b/sysdeps/ia64/configure
@@ -0,0 +1,54 @@
+# This file is generated from configure.in by Autoconf.  DO NOT EDIT!
+ # Local configure fragment for sysdeps/ia64.
+
+echo "$as_me:$LINENO: checking if -g produces usable source locations for assembler-with-cpp" >&5
+echo $ECHO_N "checking if -g produces usable source locations for assembler-with-cpp... $ECHO_C" >&6
+if test "${libc_cv_cpp_asm_debuginfo+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat > conftest.S <<EOF
+#include "confdefs.h"
+
+/* comment on
+   two lines */
+	${libc_cv_dot_text}
+	${libc_cv_asm_global_directive} foo
+foo:
+	/* Unfortunately this test only works for a real instruction,
+	   not for any of the machine-independent pseudo-ops.
+	   So we just have to assume everybody has a "nop".  */
+	nop.b	0;;
+	/* comment */
+	nop.b	0;;
+	/* comment */
+	nop.b	0;;
+EOF
+if { ac_try='${CC-cc} $CPPFLAGS $ASFLAGS -g -c conftest.S 1>&5'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } && {
+   ac_pattern='conftest\.S'
+   { ac_try='readelf --debug-dump=line conftest.o |
+		   grep $ac_pattern 1>&5'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }
+  }; then
+  libc_cv_cpp_asm_debuginfo=yes
+else
+  libc_cv_cpp_asm_debuginfo=no
+fi
+rm -f conftest*
+fi
+echo "$as_me:$LINENO: result: $libc_cv_cpp_asm_debuginfo" >&5
+echo "${ECHO_T}$libc_cv_cpp_asm_debuginfo" >&6
+if test $libc_cv_cpp_asm_debuginfo = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define HAVE_CPP_ASM_DEBUGINFO 1
+_ACEOF
+
+fi
diff --git a/sysdeps/ia64/configure.in b/sysdeps/ia64/configure.in
new file mode 100644
index 0000000000..887b4cb2ed
--- /dev/null
+++ b/sysdeps/ia64/configure.in
@@ -0,0 +1,35 @@
+GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
+# Local configure fragment for sysdeps/ia64.
+
+AC_CACHE_CHECK(if -g produces usable source locations for assembler-with-cpp,
+	       libc_cv_cpp_asm_debuginfo, [dnl
+cat > conftest.S <<EOF
+#include "confdefs.h"
+
+/* comment on
+   two lines */
+	${libc_cv_dot_text}
+	${libc_cv_asm_global_directive} foo
+foo:
+	/* Unfortunately this test only works for a real instruction,
+	   not for any of the machine-independent pseudo-ops.
+	   So we just have to assume everybody has a "nop".  */
+	nop.b	0;;
+	/* comment */
+	nop.b	0;;
+	/* comment */
+	nop.b	0;;
+EOF
+if AC_TRY_COMMAND([${CC-cc} $CPPFLAGS $ASFLAGS -g -c conftest.S 1>&AS_MESSAGE_LOG_FD]) && {
+   ac_pattern='conftest\.S'
+   AC_TRY_COMMAND([readelf --debug-dump=line conftest.o |
+		   grep $ac_pattern 1>&AS_MESSAGE_LOG_FD])
+  }; then
+  libc_cv_cpp_asm_debuginfo=yes
+else
+  libc_cv_cpp_asm_debuginfo=no
+fi
+rm -f conftest*])AC_SUBST(libc_cv_cpp_asm_debuginfo)
+if test $libc_cv_cpp_asm_debuginfo = yes; then
+  AC_DEFINE(HAVE_CPP_ASM_DEBUGINFO)
+fi
diff --git a/sysdeps/ia64/memchr.S b/sysdeps/ia64/memchr.S
index e9a7ba8230..cd062b2dd5 100644
--- a/sysdeps/ia64/memchr.S
+++ b/sysdeps/ia64/memchr.S
@@ -96,7 +96,8 @@ ENTRY(__memchr)
 	mov	pr.rot = 1 << 16 ;;
 .l2:
 (p[0])		mov	addr[0] = ret0
-(p[0])		ld8	value[0] = [ret0], 8
+(p[0])		ld8.s	value[0] = [ret0], 8	 // speculative load
+(p[MEMLAT])	chk.s	value[MEMLAT], .recovery // check and recovery
 (p[MEMLAT])	xor	aux[0] = value[MEMLAT], chrx8
 (p[MEMLAT+1])	czx1.r	poschr[0] = aux[1]
 (p[MEMLAT+2])	cmp.ne	p7, p0 = 8, poschr[1]
@@ -124,6 +125,20 @@ ENTRY(__memchr)
 	mov	ar.lc = saved_lc
 	br.ret.sptk.many b0
 
+.recovery:
+	adds	ret0 = -((MEMLAT + 1) * 8), ret0;;
+(p[MEMLAT+1])	add	ret0 = -8, ret0;;
+(p[MEMLAT+2])	add	ret0 = -8, ret0;;
+.l4:
+	mov     addr[MEMLAT+2] = ret0
+	ld8	tmp = [ret0];;		// load the first unchecked 8byte
+	xor	aux[1] = tmp, chrx8;;
+	czx1.r	poschr[1] = aux[1];;
+	cmp.ne	p7, p0 = 8, poschr[1]
+(p7)	br.cond.spnt	.foundit;;
+	adds	ret0 = 8, ret0		// load the next unchecked 8byte
+	br.sptk	.l4;;
+
 END(__memchr)
 
 weak_alias (__memchr, memchr)