Add missing testcases from previous patch revision r240379, failed to svn add.

From-SVN: r240746

gcc/testsuite/gcc.target/arm/pure-code/ffunction-sections.c

+/* { dg-do compile } */
+/* { dg-skip-if "" { *-*-* } { "-fpic" "-fPIC" } { "" } } */
+/* { dg-options "-ffunction-sections -mpure-code" } */
+#include <limits.h>
+
+char * foo (void)
+{
+  return "foo";
+}
+
+unsigned int bar (unsigned int b)
+{
+  return UINT_MAX - b;
+}
+
+/* { dg-final { scan-assembler {\.section\t\.text\.foo[^\n]*\"0x20000006\"} } } */
+/* { dg-final { scan-assembler {\.section\t\.text\.bar[^\n]*\"0x20000006\"} } } */

gcc/testsuite/gcc.target/arm/pure-code/no-casesi.c

+/* { dg-do compile } */
+/* { dg-options "-mpure-code" } */
+/* { dg-skip-if "" { *-*-* } { "-g" "-fpic" "-fPIC" } { "" } } */
+
+extern int foo (void);
+extern int bar (void);
+extern int baz (void);
+extern int fooz (void);
+
+int caller (unsigned int reg_type)
+{
+  switch (reg_type)
+    {
+    case 0x80000000:
+      return (int) foo ();
+
+    case 0x80000003:
+      return (int) bar ();
+
+    case 0x80000001:
+      return (int) baz ();
+
+    case 0x80000004:
+      return (int) fooz ();
+    }
+}
+
+/* { dg-final { scan-assembler-not "\\.(float|l\\?double|\d?byte|short|int|long|quad|word)\\s+\[^.\]" } } */
+/* { dg-final { scan-assembler "text,\"0x20000006\"" } } */

gcc/testsuite/gcc.target/arm/pure-code/no-literal-pool.c

+/* { dg-do compile } */
+/* { dg-options "-mpure-code" } */
+/* { dg-skip-if "" { *-*-* } { "-g" "-fpic" "-fPIC" } { "" } } */
+
+float sf;
+double df;
+long long l;
+static char *p = "Hello World";
+
+float
+testsf (float *p)
+{
+  if (*p > 1.1234f)
+    return 2.1234f;
+  else
+    return 3.1234f;
+}
+
+double
+testdf (double *p)
+{
+  if (*p > 4.1234)
+    return 2.1234;
+  else
+    return 3.1234;
+}
+
+long long
+testll (long long *p)
+{
+  if (*p > 0x123456789ABCDEFll)
+    return 0x111111111ll;
+  else
+    return 0x222222222ll;
+}
+
+char *
+testchar ()
+{
+  return p + 4;
+}
+
+int
+foo (int a, int b)
+{
+  int i;
+  volatile int *labelref = &&label1;
+
+  if (a > b)
+    {
+      while (i < b)
+	{
+	  a += *labelref;
+	  i += 1;
+	}
+      goto *labelref;
+    }
+  else
+    b = b + 3;
+
+  a = a * b;
+
+label1:
+  return a + b;
+}
+
+/* { dg-final { scan-assembler-not "\\.(float|l\\?double|\d?byte|short|int|long|quad|word)\\s+\[^.\]" } } */
+/* { dg-final { scan-assembler "text,\"0x20000006\"" } } */

gcc/testsuite/gcc.target/arm/pure-code/pure-code.exp

+#   Copyright (C) 1997-2016 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GCC; see the file COPYING3.  If not see
+# <http://www.gnu.org/licenses/>.
+
+# GCC testsuite for ARM's -mpure-code option, using the `dg.exp' driver.
+
+# Load support procs.
+load_lib gcc-dg.exp
+
+# If a testcase doesn't have special options, use these.
+global DEFAULT_CFLAGS
+if ![info exists DEFAULT_CFLAGS] then {
+    set DEFAULT_CFLAGS " -ansi -pedantic-errors"
+}
+
+# The -mpure-code option is only available for M-profile targets that support
+# thumb2.
+if {[check_effective_target_arm_thumb2_ok]
+    && ![check_effective_target_arm_arm_ok]} then {
+# Initialize `dg'.
+dg-init
+
+set saved-dg-do-what-default ${dg-do-what-default}
+set dg-do-what-default "assemble"
+
+set saved-lto_torture_options ${LTO_TORTURE_OPTIONS}
+
+# Add -ffat-lto-objects option to all LTO options such that we can do assembly
+# scans.
+proc add_fat_objects { list } {
+    set res {}
+    foreach el $list {set res [lappend res [concat $el " -ffat-lto-objects"]]}
+    return $res
+};
+set LTO_TORTURE_OPTIONS [add_fat_objects ${LTO_TORTURE_OPTIONS}]
+
+gcc-dg-runtest [lsort [glob $srcdir/$subdir/*.c]] \
+	"" $DEFAULT_CFLAGS
+
+# All done.
+dg-finish
+}