re PR inline-asm/63282 (ICE in redirect_jump_1)
authorJakub Jelinek <jakub@redhat.com>
Tue, 30 Sep 2014 10:30:45 +0000 (12:30 +0200)
committerJakub Jelinek <jakub@gcc.gnu.org>
Tue, 30 Sep 2014 10:30:45 +0000 (12:30 +0200)
PR inline-asm/63282
* ifcvt.c (dead_or_predicable): Don't call redirect_jump_1
or invert_jump_1 if jump isn't any_condjump_p.

* gcc.c-torture/compile/pr63282.c: New test.

From-SVN: r215712

gcc/ChangeLog
gcc/ifcvt.c
gcc/testsuite/ChangeLog
gcc/testsuite/gcc.c-torture/compile/pr63282.c [new file with mode: 0644]

index 766e935638b959433bc597544e4abc5d4d2bc1e4..47964d9ddcbb95b04451b4acb8ff2473aab4c9fc 100644 (file)
@@ -1,3 +1,9 @@
+2014-09-30  Jakub Jelinek  <jakub@redhat.com>
+
+       PR inline-asm/63282
+       * ifcvt.c (dead_or_predicable): Don't call redirect_jump_1
+       or invert_jump_1 if jump isn't any_condjump_p.
+
 2014-09-30  Terry Guo  <terry.guo@arm.com>
 
        * config/arm/arm-cores.def (cortex-m7): New core name.
index 6bcc23afc10643c0405bf1b2fd251cd358cfd2b8..b6b479f39a52d3622c1d0b0ab1b01b2b00f297e4 100644 (file)
@@ -4357,6 +4357,9 @@ dead_or_predicable (basic_block test_bb, basic_block merge_bb,
   old_dest = JUMP_LABEL (jump);
   if (other_bb != new_dest)
     {
+      if (!any_condjump_p (jump))
+       goto cancel;
+
       if (JUMP_P (BB_END (dest_edge->src)))
        new_dest_label = JUMP_LABEL (BB_END (dest_edge->src));
       else if (new_dest == EXIT_BLOCK_PTR_FOR_FN (cfun))
index 4f608cf2103440ac7e6e8ff99e726f950302b644..8e51806c281cc296fb464e7b704f1c10b3cd7598 100644 (file)
@@ -1,3 +1,8 @@
+2014-09-30  Jakub Jelinek  <jakub@redhat.com>
+
+       PR inline-asm/63282
+       * gcc.c-torture/compile/pr63282.c: New test.
+
 2014-09-29  Eric Botcazou  <ebotcazou@adacore.com>
 
        * gcc.dg/tree-ssa/vrp94.c: New test.
diff --git a/gcc/testsuite/gcc.c-torture/compile/pr63282.c b/gcc/testsuite/gcc.c-torture/compile/pr63282.c
new file mode 100644 (file)
index 0000000..cb23278
--- /dev/null
@@ -0,0 +1,13 @@
+/* PR inline-asm/63282 */
+
+void bar (void);
+
+void
+foo (void)
+{
+  asm volatile goto ("" : : : : a, b);
+a:
+  bar ();
+b:
+  return;
+}