https://gcc.gnu.org/g:ad7d4843d452b97686bcc30da11b933759f09a12

commit r15-2824-gad7d4843d452b97686bcc30da11b933759f09a12
Author: Andrew Pinski <[email protected]>
Date:   Wed Aug 7 10:58:45 2024 -0700

    vect: Small C++11-ification of vect_vect_recog_func_ptrs
    
    This is a small C++11-ificiation for the use of vect_vect_recog_func_ptrs.
    Changes the loop into a range based loop which then we can remove the 
variable
    definition of NUM_PATTERNS. Also uses const reference instead of a pointer.
    
    Bootstrapped and tested on x86_64-linux-gnu.
    
    gcc/ChangeLog:
    
            * tree-vect-patterns.cc (NUM_PATTERNS): Delete.
            (vect_pattern_recog_1): Constify and change
            recog_func to a reference.
            (vect_pattern_recog): Use range-based loop over
            vect_vect_recog_func_ptrs.
    
    Signed-off-by: Andrew Pinski <[email protected]>

Diff:
---
 gcc/tree-vect-patterns.cc | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/gcc/tree-vect-patterns.cc b/gcc/tree-vect-patterns.cc
index 87b3dc413b8b..f52de2b6972d 100644
--- a/gcc/tree-vect-patterns.cc
+++ b/gcc/tree-vect-patterns.cc
@@ -7362,8 +7362,6 @@ static vect_recog_func vect_vect_recog_func_ptrs[] = {
   /* These must come after the double widening ones.  */
 };
 
-const unsigned int NUM_PATTERNS = ARRAY_SIZE (vect_vect_recog_func_ptrs);
-
 /* Mark statements that are involved in a pattern.  */
 
 void
@@ -7518,7 +7516,7 @@ vect_mark_pattern_stmts (vec_info *vinfo,
 
 static void
 vect_pattern_recog_1 (vec_info *vinfo,
-                     vect_recog_func *recog_func, stmt_vec_info stmt_info)
+                     const vect_recog_func &recog_func, stmt_vec_info 
stmt_info)
 {
   gimple *pattern_stmt;
   tree pattern_vectype;
@@ -7538,7 +7536,7 @@ vect_pattern_recog_1 (vec_info *vinfo,
     }
 
   gcc_assert (!STMT_VINFO_PATTERN_DEF_SEQ (stmt_info));
-  pattern_stmt = recog_func->fn (vinfo, stmt_info, &pattern_vectype);
+  pattern_stmt = recog_func.fn (vinfo, stmt_info, &pattern_vectype);
   if (!pattern_stmt)
     {
       /* Clear any half-formed pattern definition sequence.  */
@@ -7550,7 +7548,7 @@ vect_pattern_recog_1 (vec_info *vinfo,
   if (dump_enabled_p ())
     dump_printf_loc (MSG_NOTE, vect_location,
                     "%s pattern recognized: %G",
-                    recog_func->name, pattern_stmt);
+                    recog_func.name, pattern_stmt);
 
   /* Mark the stmts that are involved in the pattern. */
   vect_mark_pattern_stmts (vinfo, stmt_info, pattern_stmt, pattern_vectype);
@@ -7658,8 +7656,8 @@ vect_pattern_recog (vec_info *vinfo)
            continue;
 
          /* Scan over all generic vect_recog_xxx_pattern functions.  */
-         for (unsigned j = 0; j < NUM_PATTERNS; j++)
-           vect_pattern_recog_1 (vinfo, &vect_vect_recog_func_ptrs[j],
+         for (const auto &func_ptr : vect_vect_recog_func_ptrs)
+           vect_pattern_recog_1 (vinfo, func_ptr,
                                  stmt_info);
        }
     }

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