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[PATCH] ARM fix earlyclobber problems with if-then-elsezero-extract patterns

From: Richard Earnshaw <rearnsha at gcc dot gnu dot org>
To: gcc-patches at gcc dot gnu dot org
Date: Thu, 20 May 2004 16:03:08 +0100
Subject: [PATCH] ARM fix earlyclobber problems with if-then-elsezero-extract patterns
Organization: GNU

The patterns I committed at the weekend had a bug whereby an input
operand could be clobbered before it was used if the output overlapped. 
Fixed thusly:

Tested on arm-linux.

2004-05-20  Richard Earnshaw <rearnsha@arm.com>

	* arm.md (ite_ne_zeroextractsi, ite_ne_zeroextractsi_shifted): Ensure
	we don't earlyclobber operands used in the second insn.

Attachment: ite.patch
Description: Text document

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