gcc/

	PR target/67506
	* config/sh/sh.c (sh_extending_set_of_reg::use_as_extended_reg): Add
	missing simplify_gen_subreg.

gcc/testsuite/
	PR target/67506
	* gcc.c-torture/compile/pr67506.c: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@227646 138bc75d-0d04-0410-961f-82ee72b054a4

4 files changed, 67 insertions, 0 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 14e8f5eeee0..67367eb8939 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2015-09-10  Oleg Endo  <olegendo@gcc.gnu.org>
+
+	PR target/67506
+	* config/sh/sh.c (sh_extending_set_of_reg::use_as_extended_reg): Add
+	missing simplify_gen_subreg.
+
 2015-09-10  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
 
 	* config/s390/s390.c (s390_contiguous_bitmask_vector_p): Reject if
diff --git a/gcc/config/sh/sh.c b/gcc/config/sh/sh.c
index 1442b7fc790..25149a60ff7 100644
--- a/gcc/config/sh/sh.c
+++ b/gcc/config/sh/sh.c
@@ -14016,6 +14016,9 @@ sh_extending_set_of_reg::use_as_extended_reg (rtx_insn* use_at_insn) const
   else
     {
       rtx extension_dst = XEXP (set_rtx, 0);
+      if (GET_MODE (extension_dst) != SImode)
+	extension_dst = simplify_gen_subreg (SImode, extension_dst,
+					     GET_MODE (extension_dst), 0);
       if (modified_between_p (extension_dst, insn, use_at_insn))
 	{
 	  if (dump_file)
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index aee33f62db0..844e2a105ee 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2015-09-10  Oleg Endo  <olegendo@gcc.gnu.org>
+
+	PR target/67506
+	* gcc.c-torture/compile/pr67506.c: New test.
+
 2015-09-10  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
 
 	* gcc.target/s390/vector/vec-genbytemask-1.c: Add check for V1TI
diff --git a/gcc/testsuite/gcc.c-torture/compile/pr67506.c b/gcc/testsuite/gcc.c-torture/compile/pr67506.c
new file mode 100644
index 00000000000..2826d0b3aa7
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/pr67506.c
@@ -0,0 +1,53 @@
+extern struct _IO_FILE *stderr;
+typedef long integer;
+typedef unsigned char byte;
+short nl;
+byte * tfmfilearray;
+integer charbase, ligkernbase;
+unsigned char charsonline;
+short c;
+unsigned short r;
+struct {
+  short cc;
+  integer rr;
+} labeltable[259];
+short sortptr;
+unsigned char activity[(32510) + 1];
+integer ai, acti;
+extern void _IO_putc (char, struct _IO_FILE *);
+
+void
+mainbody (void)
+{
+  register integer for_end;
+  if (c <= for_end)
+    do {
+      if (((tfmfilearray + 1001)[4 * (charbase + c) + 2] % 4) == 1)
+	{
+	  if ( r < nl )
+	    ;
+	  else
+	    {
+	      while (labeltable[sortptr ].rr > r)
+		labeltable[sortptr + 1 ]= labeltable[sortptr];
+	    }
+	}
+    } while (c++ < for_end);
+
+  if (ai <= for_end)
+    do {
+      if (activity[ai]== 2)
+	{
+	  r = (tfmfilearray + 1001)[4 * (ligkernbase + (ai))];
+	  if (r < 128)
+	    {
+	      r = r + ai + 1 ;
+	      if (r >= nl)
+		{
+		  if (charsonline > 0)
+		    _IO_putc ('\n', stderr);
+		}
+	    }
+	}
+    } while (ai++ < for_end);
+}