diff mbox series

Remove unnecessary check on scalar_niter == 0

Message ID 20230704103635.3A397385772E@sourceware.org
State Unresolved
Headers
Series Remove unnecessary check on scalar_niter == 0 |

Checks

Context Check Description
snail/gcc-patch-check warning Git am fail log

Commit Message

Richard Biener July 4, 2023, 10:35 a.m. UTC 
  The following removes an unnecessary check.

Bootstrapped and tested on x86_64-unknown-linux-gnu, pushed.

	* tree-vect-loop.cc (vect_analyze_loop_costing): Remove
	check guarding scalar_niter underflow.
---
 gcc/tree-vect-loop.cc | 7 -------
 1 file changed, 7 deletions(-)
diff mbox series

Patch

diff --git a/gcc/tree-vect-loop.cc b/gcc/tree-vect-loop.cc
index f39a1ecb306..3a43bbfa0ee 100644
--- a/gcc/tree-vect-loop.cc
+++ b/gcc/tree-vect-loop.cc
@@ -2180,13 +2180,6 @@  vect_analyze_loop_costing (loop_vec_info loop_vinfo,
 		= LOOP_VINFO_PEELING_FOR_GAPS (orig_loop_vinfo) ? 1 : 0;
 	      scalar_niters = ((scalar_niters - gap - prolog_peeling)
 			       % lowest_vf + gap);
-	      if (scalar_niters == 0)
-		{
-		  if (dump_enabled_p ())
-		    dump_printf_loc (MSG_MISSED_OPTIMIZATION, vect_location,
-				     "not vectorized: loop never entered\n");
-		  return 0;
-		}
 	    }
 	}