+2008-11-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR rtl-opt/37782
+ * loop-doloop.c (doloop_modify): Add from_mode argument that says what
+ mode count is in.
+ (doloop_optimize): Update call to doloop_modify.
+
2008-11-03 Eric Botcazou <ebotcazou@adacore.com>
* tree-sra.c (bitfield_overlaps_p): Fix oversight.
end of the loop. CONDITION is the condition separated from the
DOLOOP_SEQ. COUNT is the number of iterations of the LOOP.
ZERO_EXTEND_P says to zero extend COUNT after the increment of it to
- word_mode. */
+ word_mode from FROM_MODE. */
static void
doloop_modify (struct loop *loop, struct niter_desc *desc,
- rtx doloop_seq, rtx condition, rtx count, bool zero_extend_p)
+ rtx doloop_seq, rtx condition, rtx count,
+ bool zero_extend_p, enum machine_mode from_mode)
{
rtx counter_reg;
rtx tmp, noloop = NULL_RTX;
}
if (increment_count)
- count = simplify_gen_binary (PLUS, mode, count, const1_rtx);
+ count = simplify_gen_binary (PLUS, from_mode, count, const1_rtx);
if (zero_extend_p)
count = simplify_gen_unary (ZERO_EXTEND, word_mode,
- count, mode);
+ count, from_mode);
/* Insert initialization of the count register into the loop header. */
start_sequence ();
return false;
}
- doloop_modify (loop, desc, doloop_seq, condition, count, zero_extend_p);
+ doloop_modify (loop, desc, doloop_seq, condition, count,
+ zero_extend_p, mode);
return true;
}