vec: dead code removal in tree-vect-loop.c

gcc/ChangeLog

2020-09-04  Andrea Corallo  <andrea.corallo@arm.com>

	* tree-vect-loop.c (vect_estimate_min_profitable_iters): Remove
	dead code as LOOP_VINFO_USING_PARTIAL_VECTORS_P (loop_vinfo) is
	always verified.

diff --git a/gcc/tree-vect-loop.c b/gcc/tree-vect-loop.c
index 362cdc4f1cbd9bbb3ad6bc067debb4ba036059ad..38576382fe783a41f9f629de233d97d475cca1d4 100644 (file)
--- a/gcc/tree-vect-loop.c
+++ b/gcc/tree-vect-loop.c
@@ -4101,17 +4101,10 @@ vect_estimate_min_profitable_iters (loop_vec_info loop_vinfo,
       if (outside_overhead > 0)
        min_vec_niters = outside_overhead / saving_per_viter + 1;
 
-      if (LOOP_VINFO_USING_PARTIAL_VECTORS_P (loop_vinfo))
-       {
-         int threshold = (vec_inside_cost * min_vec_niters
-                          + vec_outside_cost
-                          + scalar_outside_cost);
-         min_profitable_estimate = threshold / scalar_single_iter_cost + 1;
-       }
-      else
-       min_profitable_estimate = (min_vec_niters * assumed_vf
-                                  + peel_iters_prologue
-                                  + peel_iters_epilogue);
+      int threshold = (vec_inside_cost * min_vec_niters
+                      + vec_outside_cost
+                      + scalar_outside_cost);
+      min_profitable_estimate = threshold / scalar_single_iter_cost + 1;
     }
   else
     {