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Jakub Jelinek fccef0c4ed function: Call do_pending_stack_adjust in assign_parms [PR117296]
Functions called by assign_parms call emit_block_move in two places,
so on some targets can be expanded as calls and can result in pending
stack adjustment.

Now, during expansion we normally call do_pending_stack_adjust at the end
of expansion of each basic block or before emitting code that will branch
and/or has labels, and when emitting labels we assert that there are no
pending stack adjustments.

assign_parms is expanded before the first basic block and if the first
basic block starts with a label and at least one of those emit_block_move
calls resulted in the need of pending stack adjustments, we ICE when
emitting that label.

The following patch fixes that by calling do_pending_stack_adjust after
after the assign_parms potential emit_block_move calls.

2024-10-30  Jakub Jelinek  <jakub@redhat.com>

	PR target/117296
	* function.cc (assign_parms): Call do_pending_stack_adjust.

	* gcc.target/i386/pr117296.c: New test.
2024-10-30 09:59:22 +01:00
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