re PR rtl-optimization/46178 (gcc.target/i386/(u)divmod-[58].c FAIL: ICE: in…

re PR rtl-optimization/46178 (gcc.target/i386/(u)divmod-[58].c FAIL: ICE: in dec_register_pressure, at ira-lives.c:215 with -fira-algorithm=priority)


	PR rtl-optimization/46178
	* gcc.target/i386/pr46178.c: New test.

	PR rtl-optimization/46002
	* gcc.c-torture/compile/pr46002.c: New test.

From-SVN: r170370

gcc/testsuite/ChangeLog

+2011-02-21  Jeff Law <law@redhat.com>
+
+	PR rtl-optimization/46178
+	* gcc.target/i386/pr46178.c: New test.
+
+	PR rtl-optimization/46002
+	* gcc.c-torture/compile/pr46002.c: New test.
+
 2011-02-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 
 	* g++.dg/cpp0x/lambda/lambda-conv.C: Skip scan-assembler check on

gcc/testsuite/gcc.c-torture/compile/pr46002.c

+/* { dg-options "-fira-algorithm=priority" } */
+char **
+foo (char **p, char *cmp, unsigned i)
+{
+  for (; *p; p++)
+    if (__builtin_strncmp (*p, cmp, i))
+      if (i == __builtin_strlen (*p))
+	break;
+  return p;
+}

gcc/testsuite/gcc.target/i386/pr46178.c

+/* { dg-do compile } */
+/* { dg-options "-O -m8bit-idiv -fira-algorithm=priority" } */
+/* This is the same as divmod-5.c, just with different options which
+   trigger an ICE.  We don't look at the output.  */
+
+extern void foo (int, int, int, int, int, int);
+
+void
+bar (int x, int y)
+{
+  foo (0, 0, 0, 0, x / y, x % y);
+}
+