re PR target/27571 (alpha: ICE in get_attr_usegp, at config/alpha/alpha.md:171)

	PR target/27571
	* config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
	table data.

	* gcc.c-torture/compile/pr27571.c: New test.

From-SVN: r114130

gcc/ChangeLog

+2006-05-24  Steven Bosscher  <steven@gcc.gnu.org>
+
+	PR target/27571
+	* config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
+	table data.
+
 2006-05-25  Mark Mitchell  <mark@codesourcery.com>
 
 	PR c++/20103

gcc/config/alpha/alpha.c

@@ -7410,6 +7410,7 @@ alpha_does_function_need_gp (void)
 
   for (; insn; insn = NEXT_INSN (insn))
     if (INSN_P (insn)
+	&& ! JUMP_TABLE_DATA_P (insn)
 	&& GET_CODE (PATTERN (insn)) != USE
 	&& GET_CODE (PATTERN (insn)) != CLOBBER
 	&& get_attr_usegp (insn))

gcc/testsuite/ChangeLog

+2006-05-24  Falk Hueffner  <falk@debian.org>
+
+	* gcc.c-torture/compile/pr27571.c: New test.
+
 2006-05-26  Paul Thomas  <pault@gcc.gnu.org>
 
 	PR fortran/27709

gcc/testsuite/gcc.c-torture/compile/pr27571.c

+/* PR target/27571
+   alpha_does_function_need_gp did not properly skip jump table insns  */
+
+int r3isseparator(int);
+void r3isdigit(int);
+void r3decimalvalue(int);
+
+void r7todouble(int *storage, int *count) {
+    int i = 0;
+    int state = 0;
+    int cc = 0;
+    while (i > *count) {
+	cc = *storage;
+	switch (state) {
+	case 0:
+	    if (r3isseparator(cc))
+		state = 1;
+	case 1:
+	    r3isdigit(cc);
+	case 2:
+	case 5:
+	case 6:
+	    r3decimalvalue(cc);
+	}
+	i++;
+    }
+}