+2007-03-05 Revital Eres <eres@il.ibm.com>
+
+ * gcc.dg/var-expand1.c: New test.
+ * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
+ when an accumulator is expanded.
+
2007-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
PR other/30465
|| FLOAT_MODE_P (mode2))
&& !flag_unsafe_math_optimizations)
return NULL;
-
+
+ if (dump_file)
+ {
+ fprintf (dump_file,
+ "\n;; Expanding Accumulator ");
+ print_rtl (dump_file, dest);
+ fprintf (dump_file, "\n");
+ }
+
/* Record the accumulator to expand. */
ves = XNEW (struct var_to_expand);
ves->insn = insn;
--- /dev/null
+/* { dg-do compile } */
+/* { dg-options "-O2 -funroll-loops --fast-math -fvariable-expansion-in-unroller -dL" } */
+
+extern void abort (void);
+
+float array[10] = { 1,2,3,4,5,6,7,8,9,10 };
+
+int foo (int n)
+{
+ unsigned i;
+ float accum = 1.0;
+
+ for (i = 0; i < n; i++)
+ accum += array[i];
+
+ return accum;
+}
+
+int main (void)
+{
+ return foo (10);
+}
+
+/* { dg-final { scan-rtl-dump "Expanding Accumulator" "loop2_unroll" } } */
+/* { dg-final { cleanup-rtl-dump "loop*" } } */
\ No newline at end of file