From: Richard Biener <rguenther@suse.de>
To: gcc-patches@gcc.gnu.org
Subject: [PATCH 2/2] Revert maybe_ne -> known_ne change in vn_reference_lookup_3
Date: Fri, 1 Jul 2022 14:19:51 +0200 (CEST) [thread overview]
Message-ID: <20220701121951.C85F413A20@imap2.suse-dmz.suse.de> (raw)
This reverts the change as discussed.
Bootstrapped and tested on x86_64-unknown-linux-gnu, pushed.
2022-07-01 Richard Biener <rguenther@suse.de>
* tree-ssa-sccvn.cc (vn_reference_lookup_3): Revert
back to using maybe_ne (off, -1).
---
gcc/tree-ssa-sccvn.cc | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/gcc/tree-ssa-sccvn.cc b/gcc/tree-ssa-sccvn.cc
index c40c45ed840..f41d5031365 100644
--- a/gcc/tree-ssa-sccvn.cc
+++ b/gcc/tree-ssa-sccvn.cc
@@ -3243,12 +3243,12 @@ vn_reference_lookup_3 (ao_ref *ref, tree vuse, void *data_,
poly_int64 extra_off = 0;
if (j == 0 && i >= 0
&& lhs_ops[0].opcode == MEM_REF
- && known_ne (lhs_ops[0].off, -1))
+ && maybe_ne (lhs_ops[0].off, -1))
{
if (known_eq (lhs_ops[0].off, vr->operands[i].off))
i--, j--;
else if (vr->operands[i].opcode == MEM_REF
- && known_ne (vr->operands[i].off, -1))
+ && maybe_ne (vr->operands[i].off, -1))
{
extra_off = vr->operands[i].off - lhs_ops[0].off;
i--, j--;
--
2.35.3
next reply other threads:[~2022-07-01 12:19 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-01 12:19 Richard Biener [this message]
2022-07-01 12:34 ` Richard Sandiford
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