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From: Andreas Schwab <schwab@gcc.gnu.org>
To: gcc-cvs@gcc.gnu.org
Subject: [gcc r13-2298] middle-end: Fix unexpected warnings for RISC-V port.
Date: Wed, 31 Aug 2022 07:54:41 +0000 (GMT)	[thread overview]
Message-ID: <20220831075441.2FB4B383CCE5@sourceware.org> (raw)

https://gcc.gnu.org/g:a99b53f7e1860b96b67f069eb7965fcbac6594f6

commit r13-2298-ga99b53f7e1860b96b67f069eb7965fcbac6594f6
Author: zhongjuzhe <juzhe.zhong@rivai.ai>
Date:   Tue Aug 23 15:06:31 2022 +0800

    middle-end: Fix unexpected warnings for RISC-V port.
    
    gcc/ChangeLog:
    
            * tree-vect-loop-manip.cc (vect_gen_vector_loop_niters): Simply
            initialize const_vf to 0.

Diff:
---
 gcc/tree-vect-loop-manip.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gcc/tree-vect-loop-manip.cc b/gcc/tree-vect-loop-manip.cc
index 86d2264054a..48a5f391d7f 100644
--- a/gcc/tree-vect-loop-manip.cc
+++ b/gcc/tree-vect-loop-manip.cc
@@ -1978,7 +1978,8 @@ vect_gen_vector_loop_niters (loop_vec_info loop_vinfo, tree niters,
   else
     ni_minus_gap = niters;
 
-  unsigned HOST_WIDE_INT const_vf;
+  /* To silence some unexpected warnings, simply initialize to 0. */
+  unsigned HOST_WIDE_INT const_vf = 0;
   if (vf.is_constant (&const_vf)
       && !LOOP_VINFO_USING_PARTIAL_VECTORS_P (loop_vinfo))
     {

                 reply	other threads:[~2022-08-31  7:54 UTC|newest]

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