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* [gcc r12-7429] Clear currently_expanding_gimple_stmt properly
@ 2022-03-01 14:18 H.J. Lu
0 siblings, 0 replies; only message in thread
From: H.J. Lu @ 2022-03-01 14:18 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:88f91d8ccc8fec3a811975e3e4765b9a94d3f764
commit r12-7429-g88f91d8ccc8fec3a811975e3e4765b9a94d3f764
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Feb 28 15:18:04 2022 -0800
Clear currently_expanding_gimple_stmt properly
commit a5883ba0de68efad36db145e75c86394d8bd44ea
Author: Michael Matz <matz@gcc.gnu.org>
Date: Tue Nov 24 15:37:32 2009 +0000
introduced currently_expanding_gimple_stmt, which was set and cleared in
expand_gimple_basic_block when expanding gimple statement to RTL. But it
isn't cleared when expand_gimple_basic_block returns inside the loop.
PR middle-end/104721
* cfgexpand.cc (expand_gimple_basic_block): Clear
currently_expanding_gimple_stmt when returning inside the loop.
Diff:
---
gcc/cfgexpand.cc | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/gcc/cfgexpand.cc b/gcc/cfgexpand.cc
index d51af2e3084..87536ec7ccd 100644
--- a/gcc/cfgexpand.cc
+++ b/gcc/cfgexpand.cc
@@ -5927,7 +5927,10 @@ expand_gimple_basic_block (basic_block bb, bool disable_tail_calls)
{
new_bb = expand_gimple_cond (bb, as_a <gcond *> (stmt));
if (new_bb)
- return new_bb;
+ {
+ currently_expanding_gimple_stmt = NULL;
+ return new_bb;
+ }
}
else if (is_gimple_debug (stmt))
{
@@ -6049,7 +6052,10 @@ expand_gimple_basic_block (basic_block bb, bool disable_tail_calls)
if (can_fallthru)
bb = new_bb;
else
- return new_bb;
+ {
+ currently_expanding_gimple_stmt = NULL;
+ return new_bb;
+ }
}
}
else
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