configure.ac (gcc_cv_as_powerpc_mfcrf, [...]): Detangle.

        * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
        Detangle.

From-SVN: r232697

gcc/ChangeLog

+2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
+
+	* configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
+	Detangle.
+
 2016-01-21  Pat Haugen  <pthaugen@us.ibm.com>
 
 	* config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.

gcc/configure

@@ -25904,10 +25904,8 @@ fi
     ;;
 
   powerpc*-*-*)
+
     case $target in
-      *-*-aix*) conftest_s='	.machine "pwr5"
-	.csect .text[PR]
-	mfcr 3,128';;
       *-*-darwin*)
 	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for .machine directive support" >&5
 $as_echo_n "checking assembler for .machine directive support... " >&6; }
@@ -25940,7 +25938,14 @@ $as_echo "$gcc_cv_as_machine_directive" >&6; }
 	  echo you can get it from: ftp://gcc.gnu.org/pub/gcc/infrastructure/cctools-528.5.dmg >&2
 	  test x$build = x$target && exit 1
 	fi
-	conftest_s='	.text
+        ;;
+    esac
+
+    case $target in
+      *-*-aix*) conftest_s='	.machine "pwr5"
+	.csect .text[PR]
+	mfcr 3,128';;
+      *-*-darwin*) conftest_s='	.text
 	mfcr r3,128';;
       *) conftest_s='	.machine power4
 	.text

gcc/configure.ac

@@ -4172,10 +4172,8 @@ value:'
     ;;
 
   powerpc*-*-*)
+
     case $target in
-      *-*-aix*) conftest_s='	.machine "pwr5"
-	.csect .text[[PR]]
-	mfcr 3,128';;
       *-*-darwin*)
 	gcc_GAS_CHECK_FEATURE([.machine directive support],
 	  gcc_cv_as_machine_directive,,,
@@ -4185,7 +4183,14 @@ value:'
 	  echo you can get it from: ftp://gcc.gnu.org/pub/gcc/infrastructure/cctools-528.5.dmg >&2
 	  test x$build = x$target && exit 1
 	fi
-	conftest_s='	.text
+        ;;
+    esac
+
+    case $target in
+      *-*-aix*) conftest_s='	.machine "pwr5"
+	.csect .text[[PR]]
+	mfcr 3,128';;
+      *-*-darwin*) conftest_s='	.text
 	mfcr r3,128';;
       *) conftest_s='	.machine power4
 	.text