Richi has asked the we break the wide-int patch so that the individual port and
front end maintainers can review their parts without have to go through the
entire patch. This patch covers the arc port.
Ok?
* config/arc/arc.c
(arc_can_use_doloop_p): Use wide-int interfaces.
diff --git a/gcc/config/arc/arc.c b/gcc/config/arc/arc.c
index 77932ce..5ad807e 100644
--- a/gcc/config/arc/arc.c
+++ b/gcc/config/arc/arc.c
@@ -392,7 +392,8 @@ static bool arc_return_in_memory (const_tree, const_tree);
static void arc_init_simd_builtins (void);
static bool arc_vector_mode_supported_p (enum machine_mode);
-static bool arc_can_use_doloop_p (double_int, double_int, unsigned int, bool);
+static bool arc_can_use_doloop_p (const widest_int &, const widest_int &,
+ unsigned int, bool);
static const char *arc_invalid_within_doloop (const_rtx);
static void output_short_suffix (FILE *file);
@@ -5697,7 +5698,7 @@ arc_pass_by_reference (cumulative_args_t ca_v
ATTRIBUTE_UNUSED,
/* Implement TARGET_CAN_USE_DOLOOP_P. */
static bool
-arc_can_use_doloop_p (double_int iterations, double_int,
+arc_can_use_doloop_p (const widest_int &iterations, const widest_int &,
unsigned int loop_depth, bool entered_at_top)
{
if (loop_depth > 1)
@@ -5705,9 +5706,8 @@ arc_can_use_doloop_p (double_int iterations, double_int,
/* Setting up the loop with two sr instructions costs 6 cycles. */
if (TARGET_ARC700
&& !entered_at_top
- && iterations.high == 0
- && iterations.low > 0
- && iterations.low <= (flag_pic ? 6 : 3))
+ && wi::gtu_p (iterations, 0)
+ && wi::leu_p (iterations, flag_pic ? 6 : 3))
return false;
return true;
}
