ia64: Update toolchain-flags with a check for working .align inside a

	now that there is a fixed GAS.

arch/ia64/scripts/toolchain-flags

@@ -5,9 +5,14 @@
 CPPFLAGS=""
 CC=$1
 OBJDUMP=$2
+READELF=$3
 dir=$(dirname $0)
 tmp=${TMPDIR:-/tmp}
 out=$tmp/out$$
+
+# Check whether cross-segment segment-relative relocs work fine.  We need
+# that for building the gate DSO:
+
 $CC -nostdlib -static -Wl,-T$dir/check-segrel.lds $dir/check-segrel.S -o $out
 res=$($OBJDUMP --full --section .rodata $out | fgrep 000 | cut -f3 -d' ')
 rm -f $out
@@ -20,6 +25,16 @@ warning: your linker cannot handle cross-segment segment-relative relocations.
 EOF
 fi
 
+# Check whether .align inside a function works as expected.
+
+$CC -c $dir/check-text-align.S -o $out
+$READELF -u $out | fgrep -q 'prologue(rlen=12)'
+res=$?
+rm -f $out
+if [ $res -eq 0 ]; then
+    CPPFLAGS="$CPPFLAGS -DHAVE_WORKING_TEXT_ALIGN"
+fi
+
 if ! $CC -c $dir/check-model.c -o $out 2>&1 | grep  __model__ | grep -q attrib
 then
     CPPFLAGS="$CPPFLAGS -DHAVE_MODEL_SMALL_ATTRIBUTE"