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Commit 38c821cf authored by Jakub Jelinek's avatar Jakub Jelinek Committed by Jakub Jelinek
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re PR rtl-optimization/57281 (x86_64-linux loop fails to terminate at -O3 -m32) 

	PR rtl-optimization/57281
	PR rtl-optimization/57300
	* config/i386/i386.md (extendsidi2_1 dead reg splitter): Remove.
	(extendsidi2_1 peephole2s): Add instead 2 new peephole2s, that undo
	what the other splitter did if the registers are dead.

	* gcc.dg/pr57300.c: New test.
	* gcc.c-torture/execute/pr57281.c: New test.

From-SVN: r199018
parent 2a293391
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