Date:Wed, 29 Nov 2017 16:51:56 +
From:Taylor R Campbell
Message-ID: <20171129165637.6fa4960...@jupiter.mumble.net>
| This is starting to smell like a compiler bug in fp correctness...but
| I'm out of time to diagnose it further.
In case anyone missed it, the
> Date: Wed, 29 Nov 2017 09:14:26 +0100
> From: Martin Husemann
>
> (gdb) info float
> R7: Valid 0xc00cc0e6b7318fc50481 -12345.678979
> =>R6: Valid 0xc00cc0e6b7318fc50800 -12345.678979
> R5: Empty 0xc00cc0e6b7318fc50800
> [...]
> Control Word:0x037f
Hi,
From: Robert Elz , Date: Sat, 25 Nov 2017 21:16:56 +0700
> Date:Sat, 25 Nov 2017 18:11:22 +0900 (JST)
> From:Ryo ONODERA
> Message-ID: <20171125.181122.805047996391646417@tetera.org>
>
> | After the following commit, my IPv6 network does not work at all.
>
For the gcc 5.5 version:
30 if (!(d == t->double_value)) {
(gdb) x/16i $pc
=> 0x804887c : fldl 0x4(%ebx)
0x804887f : fucomp %st(2)
0x8048881 : fnstsw %ax
0x8048883 : sahf
0x8048884 : jp 0x8048891
0x8048886 : jne0x8048891
and
On Wed, Nov 29, 2017 at 09:03:50AM +0100, Martin Husemann wrote:
> On Wed, Nov 29, 2017 at 06:12:02AM +, Taylor R Campbell wrote:
> > (My guess is that there's something screwy with i387 long doubles, but
> > I don't have a good guess about where that screwiness might be
> > happening without s
On Wed, Nov 29, 2017 at 06:12:02AM +, Taylor R Campbell wrote:
> (My guess is that there's something screwy with i387 long doubles, but
> I don't have a good guess about where that screwiness might be
> happening without single-stepping through it.)
My blame is on qemu.
I added the missing pr