From: Paul Brook <paul@codesourcery.com>
To: qemu-devel@nongnu.org
Cc: Blue Swirl <blauwirbel@gmail.com>
Subject: Re: [Qemu-devel] qemu fpu/softfloat-specialize.h fpu/softfloat.c...
Date: Tue, 20 Nov 2007 20:42:41 +0000 [thread overview]
Message-ID: <200711202042.42465.paul@codesourcery.com> (raw)
In-Reply-To: <f43fc5580711201217q7c96a02m427431bbef86b035@mail.gmail.com>
> > Log message:
> > Add strict checking mode for softfp code.
>
> This commit has broken sparc-softmmu,
Strange. My intention was for this commit to have absolutely no functional
changes.
FWIW I verified that the debian-sparc installer image booted successfully. I
guess this probably doesn't stress the FPU much though.
> This and a couple similar changes look suspicious:
> && ( (sbits64) ( zSig + roundIncrement ) < 0 ) )
> ) {
> float_raise( float_flag_overflow | float_flag_inexact STATUS_VAR);
> - return packFloat64( zSign, 0x7FF, 0 ) - ( roundIncrement == 0 );
> + return packFloat64( zSign, 0x7FF, - ( roundIncrement == 0 )); }
I'm pretty sure this change is correct. ie. it has no effect on the result.
Paul
next prev parent reply other threads:[~2007-11-20 20:42 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-18 14:33 [Qemu-devel] qemu fpu/softfloat-specialize.h fpu/softfloat.c Paul Brook
2007-11-20 20:17 ` Blue Swirl
2007-11-20 20:42 ` Paul Brook [this message]
2007-11-21 8:51 ` Aurelien Jarno
2007-11-21 10:40 ` Aurelien Jarno
2007-11-21 15:10 ` Aurelien Jarno
2007-11-21 15:32 ` Paul Brook
2007-11-21 15:55 ` Eduardo Felipe
2007-11-21 18:58 ` Blue Swirl
2007-11-22 0:48 ` Thiemo Seufer
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