* [PATCH] SSA ALIAS: Apply LEN_MASK_STORE to 'ref_maybe_used_by_call_p_1'
@ 2023-06-23 14:15 juzhe.zhong
2023-06-23 16:27 ` Jeff Law
0 siblings, 1 reply; 4+ messages in thread
From: juzhe.zhong @ 2023-06-23 14:15 UTC (permalink / raw)
To: gcc-patches; +Cc: rguenther, richard.sandiford, Ju-Zhe Zhong
From: Ju-Zhe Zhong <juzhe.zhong@rivai.ai>
gcc/ChangeLog:
* tree-ssa-alias.cc (call_may_clobber_ref_p_1): Add LEN_MASK_STORE.
---
gcc/tree-ssa-alias.cc | 1 +
1 file changed, 1 insertion(+)
diff --git a/gcc/tree-ssa-alias.cc b/gcc/tree-ssa-alias.cc
index 92dc1bb9987..f31fd042c2a 100644
--- a/gcc/tree-ssa-alias.cc
+++ b/gcc/tree-ssa-alias.cc
@@ -3070,6 +3070,7 @@ call_may_clobber_ref_p_1 (gcall *call, ao_ref *ref, bool tbaa_p)
return false;
case IFN_MASK_STORE:
case IFN_LEN_STORE:
+ case IFN_LEN_MASK_STORE:
case IFN_MASK_STORE_LANES:
{
tree rhs = gimple_call_arg (call,
--
2.36.3
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [PATCH] SSA ALIAS: Apply LEN_MASK_STORE to 'ref_maybe_used_by_call_p_1'
2023-06-23 14:15 [PATCH] SSA ALIAS: Apply LEN_MASK_STORE to 'ref_maybe_used_by_call_p_1' juzhe.zhong
@ 2023-06-23 16:27 ` Jeff Law
2023-06-23 23:20 ` 钟居哲
0 siblings, 1 reply; 4+ messages in thread
From: Jeff Law @ 2023-06-23 16:27 UTC (permalink / raw)
To: juzhe.zhong, gcc-patches; +Cc: rguenther, richard.sandiford
On 6/23/23 08:15, juzhe.zhong@rivai.ai wrote:
> From: Ju-Zhe Zhong <juzhe.zhong@rivai.ai>
>
> gcc/ChangeLog:
>
> * tree-ssa-alias.cc (call_may_clobber_ref_p_1): Add LEN_MASK_STORE.
Doesn't this need to extract/compute the size argument in a manner
similar to what DSE does?
Jeff
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Re: [PATCH] SSA ALIAS: Apply LEN_MASK_STORE to 'ref_maybe_used_by_call_p_1'
2023-06-23 16:27 ` Jeff Law
@ 2023-06-23 23:20 ` 钟居哲
2023-06-24 14:12 ` Jeff Law
0 siblings, 1 reply; 4+ messages in thread
From: 钟居哲 @ 2023-06-23 23:20 UTC (permalink / raw)
To: Jeff Law, gcc-patches; +Cc: rguenther, richard.sandiford
[-- Attachment #1: Type: text/plain, Size: 600 bytes --]
Not sure since I saw MASK_STORE/LEN_STORE didn't compute size.
juzhe.zhong@rivai.ai
From: Jeff Law
Date: 2023-06-24 00:27
To: juzhe.zhong; gcc-patches
CC: rguenther; richard.sandiford
Subject: Re: [PATCH] SSA ALIAS: Apply LEN_MASK_STORE to 'ref_maybe_used_by_call_p_1'
On 6/23/23 08:15, juzhe.zhong@rivai.ai wrote:
> From: Ju-Zhe Zhong <juzhe.zhong@rivai.ai>
>
> gcc/ChangeLog:
>
> * tree-ssa-alias.cc (call_may_clobber_ref_p_1): Add LEN_MASK_STORE.
Doesn't this need to extract/compute the size argument in a manner
similar to what DSE does?
Jeff
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] SSA ALIAS: Apply LEN_MASK_STORE to 'ref_maybe_used_by_call_p_1'
2023-06-23 23:20 ` 钟居哲
@ 2023-06-24 14:12 ` Jeff Law
0 siblings, 0 replies; 4+ messages in thread
From: Jeff Law @ 2023-06-24 14:12 UTC (permalink / raw)
To: 钟居哲, gcc-patches; +Cc: rguenther, richard.sandiford
On 6/23/23 17:20, 钟居哲 wrote:
> Not sure since I saw MASK_STORE/LEN_STORE didn't compute size.
Also OK after a re-review on my part. The code sets the size to -1
after doing the ao_ref_init_from_ptr_and_size, meaning it's not a known
size.
jeff
^ permalink raw reply [flat|nested] 4+ messages in thread
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2023-06-23 14:15 [PATCH] SSA ALIAS: Apply LEN_MASK_STORE to 'ref_maybe_used_by_call_p_1' juzhe.zhong
2023-06-23 16:27 ` Jeff Law
2023-06-23 23:20 ` 钟居哲
2023-06-24 14:12 ` Jeff Law
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