* [PATCH] middle-end: Fix unexpected warnings for RISC-V port.
@ 2022-08-23 7:06 juzhe.zhong
2022-08-23 7:07 ` Richard Biener
0 siblings, 1 reply; 2+ messages in thread
From: juzhe.zhong @ 2022-08-23 7:06 UTC (permalink / raw)
To: gcc-patches; +Cc: rguenther, zhongjuzhe
From: zhongjuzhe <juzhe.zhong@rivai.ai>
gcc/ChangeLog:
* tree-vect-loop-manip.cc (vect_gen_vector_loop_niters): Simply initialize const_vf to 0.
---
gcc/tree-vect-loop-manip.cc | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/gcc/tree-vect-loop-manip.cc b/gcc/tree-vect-loop-manip.cc
index 86d2264054a..c3a24e6c39a 100644
--- a/gcc/tree-vect-loop-manip.cc
+++ b/gcc/tree-vect-loop-manip.cc
@@ -1977,8 +1977,9 @@ 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))
{
--
2.36.1
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] middle-end: Fix unexpected warnings for RISC-V port.
2022-08-23 7:06 [PATCH] middle-end: Fix unexpected warnings for RISC-V port juzhe.zhong
@ 2022-08-23 7:07 ` Richard Biener
0 siblings, 0 replies; 2+ messages in thread
From: Richard Biener @ 2022-08-23 7:07 UTC (permalink / raw)
To: zhongjuzhe; +Cc: gcc-patches
On Tue, 23 Aug 2022, juzhe.zhong@rivai.ai wrote:
> From: zhongjuzhe <juzhe.zhong@rivai.ai>
OK.
> gcc/ChangeLog:
>
> * tree-vect-loop-manip.cc (vect_gen_vector_loop_niters): Simply initialize const_vf to 0.
>
> ---
> gcc/tree-vect-loop-manip.cc | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/gcc/tree-vect-loop-manip.cc b/gcc/tree-vect-loop-manip.cc
> index 86d2264054a..c3a24e6c39a 100644
> --- a/gcc/tree-vect-loop-manip.cc
> +++ b/gcc/tree-vect-loop-manip.cc
> @@ -1977,8 +1977,9 @@ 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))
> {
>
--
Richard Biener <rguenther@suse.de>
SUSE Software Solutions Germany GmbH, Frankenstrasse 146, 90461 Nuernberg,
Germany; GF: Ivo Totev, Andrew Myers, Andrew McDonald, Boudien Moerman;
HRB 36809 (AG Nuernberg)
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2022-08-23 7:07 ` Richard Biener
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