From b862552dff04fbd4c7debf07a7c82d361869a552 Mon Sep 17 00:00:00 2001 From: Jakub Jelinek Date: Fri, 23 Sep 2016 18:59:14 +0200 Subject: [PATCH] vec.h (vNULL): Extend comment to say = vNULL initialization isn't needed for static vars. * vec.h (vNULL): Extend comment to say = vNULL initialization isn't needed for static vars. From-SVN: r240445 --- gcc/ChangeLog | 3 +++ gcc/vec.h | 4 +++- 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e32b062ad5a..9e6acc74846 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,8 @@ 2016-09-23 Jakub Jelinek + * vec.h (vNULL): Extend comment to say = vNULL initialization + isn't needed for static vars. + * sel-sched-ir.c (sel_global_bb_info, sel_region_bb_info, loop_nests, s_i_d, last_added_blocks): Remove unnecessary = vNULL initialization of file scope vec. diff --git a/gcc/vec.h b/gcc/vec.h index 959871bcc1e..14fb2a673c1 100644 --- a/gcc/vec.h +++ b/gcc/vec.h @@ -410,7 +410,9 @@ struct GTY((user)) vec /* Type to provide NULL values for vec. This is used to provide nil initializers for vec instances. Since vec must be a POD, we cannot have proper ctor/dtor for it. To initialize - a vec instance, you can assign it the value vNULL. */ + a vec instance, you can assign it the value vNULL. This isn't + needed for file-scope and function-local static vectors, which + are zero-initialized by default. */ struct vnull { template -- 2.30.2