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Re: re: toolchain/45673: gcc on i386 current generates bad code for assembler code in lock.h
The following reply was made to PR toolchain/45673; it has been noted by GNATS.
From: David Laight <david%l8s.co.uk@localhost>
To: Kai-Uwe Eckhardt <kuehro%gmx.de@localhost>
Subject: Re: re: toolchain/45673: gcc on i386 current generates bad code for
assembler code in lock.h
Date: Tue, 13 Mar 2012 19:03:31 +0000
On Tue, Mar 13, 2012 at 04:44:45PM +0100, Kai-Uwe Eckhardt wrote:
> > fortunately, the real bug seems to be the register constraints.
> I have tested building lang/gcc46 with qQ in lock.h on 6.0_BETA i386
> as suggested by J?rg Sonnenberger and it built fine, with no regressions
> in the gcc testsuite compared to using q alone.
That just avoid the bug - it really shouldn't happen.
David Laight: david%l8s.co.uk@localhost
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