3df8980f1f
Bugfix for loop-distribution, semi-relayout and MULL64. (cherry picked from commit 206c98c7c8ceca539ffc063e8c09135fb5cf1248)
59 lines
1.6 KiB
Diff
59 lines
1.6 KiB
Diff
From d73cd8783ca930724def3e9909fc484ec15404f5 Mon Sep 17 00:00:00 2001
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From: benniaobufeijiushiji <linda7@huawei.com>
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Date: Mon, 19 Dec 2022 11:48:12 +0800
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Subject: [PATCH 1/3] [loop-distribution] Bugfix for loop-distribution Add
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exception in function BUILD_QUEUE when there is a null pointer in
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grouped_loads.
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---
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gcc/tree-loop-distribution.c | 16 ++++++++++++++++
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1 file changed, 16 insertions(+)
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diff --git a/gcc/tree-loop-distribution.c b/gcc/tree-loop-distribution.c
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index 88b56379c..b68b9c7eb 100644
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--- a/gcc/tree-loop-distribution.c
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+++ b/gcc/tree-loop-distribution.c
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@@ -3208,16 +3208,31 @@ build_queue (loop_vec_info vinfo, unsigned vf,
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{
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unsigned group_size = stmt_info->size;
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stmt_vec_info c_stmt_info = stmt_info;
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+ bool succ = true;
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while (group_size >= vf)
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{
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vec_alloc (worklist, vf);
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for (unsigned j = 0; j < vf; ++j)
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{
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+ if (c_stmt_info == NULL)
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+ {
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+ succ = false;
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+ break;
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+ }
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ginfo = new _group_info ();
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ginfo->stmt = c_stmt_info->stmt;
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worklist->safe_push (ginfo);
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c_stmt_info = c_stmt_info->next_element;
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}
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+ if (!succ)
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+ {
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+ unsigned k = 0;
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+ ginfo = NULL;
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+ FOR_EACH_VEC_ELT (*worklist, k, ginfo)
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+ delete ginfo;
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+ vec_free (worklist);
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+ break;
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+ }
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worklists.safe_push (worklist);
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group_size -= vf;
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}
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@@ -3711,6 +3726,7 @@ free_ginfos (vec<vec<group_info> *> &worklists)
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unsigned j = 0;
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FOR_EACH_VEC_ELT (*worklist, j, ginfo)
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delete ginfo;
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+ vec_free (worklist);
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}
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}
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--
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2.27.0.windows.1
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