* Re: [Qemu-devel] [PATCH] tcg-optimize: Fold sub r,0,x to neg r,x [not found] ` <CAAu8pHsNXkhxrZAiYpCNpsGgktA_T9vv1U6k0Ovcg1-AKdtyuw@mail.gmail.com> @ 2013-03-20 0:13 ` Richard Henderson 2013-03-20 20:59 ` Blue Swirl 0 siblings, 1 reply; 2+ messages in thread From: Richard Henderson @ 2013-03-20 0:13 UTC (permalink / raw) To: Blue Swirl; +Cc: qemu-devel, aurelien On 2013-02-23 08:43, Blue Swirl wrote: >> Signed-off-by: Richard Henderson<rth@twiddle.net> >> >--- >> > tcg/optimize.c | 33 ++++++++++++++++++++++++++++++++- >> > 1 file changed, 32 insertions(+), 1 deletion(-) >> > >> >I noticed this while looking at other dumps. This seems like it >> >should be considered independently of the other patch series. > This breaks Sparc32 boot, only a few first instructions are executed. > I can't replicate any failure with the sparc-test image. Can you expand on a method to replicate this? r~ ^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [Qemu-devel] [PATCH] tcg-optimize: Fold sub r,0,x to neg r,x 2013-03-20 0:13 ` [Qemu-devel] [PATCH] tcg-optimize: Fold sub r,0,x to neg r,x Richard Henderson @ 2013-03-20 20:59 ` Blue Swirl 0 siblings, 0 replies; 2+ messages in thread From: Blue Swirl @ 2013-03-20 20:59 UTC (permalink / raw) To: Richard Henderson; +Cc: qemu-devel, aurelien On Wed, Mar 20, 2013 at 12:13 AM, Richard Henderson <rth@twiddle.net> wrote: > On 2013-02-23 08:43, Blue Swirl wrote: >>> >>> Signed-off-by: Richard Henderson<rth@twiddle.net> >>> >--- >>> > tcg/optimize.c | 33 ++++++++++++++++++++++++++++++++- >>> > 1 file changed, 32 insertions(+), 1 deletion(-) >>> > >>> >I noticed this while looking at other dumps. This seems like it >>> >should be considered independently of the other patch series. >> >> This breaks Sparc32 boot, only a few first instructions are executed. >> > > I can't replicate any failure with the sparc-test image. > Can you expand on a method to replicate this? It was just with qemu-system-sparc -d in_asm. Unpatched can get to OpenBIOS prompt, patched does not leave boot mode, PC always < 0x6000. > > > r~ ^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2013-03-20 21:00 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
[not found] <1361300601-12649-1-git-send-email-rth@twiddle.net>
[not found] ` <CAAu8pHsNXkhxrZAiYpCNpsGgktA_T9vv1U6k0Ovcg1-AKdtyuw@mail.gmail.com>
2013-03-20 0:13 ` [Qemu-devel] [PATCH] tcg-optimize: Fold sub r,0,x to neg r,x Richard Henderson
2013-03-20 20:59 ` Blue Swirl
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox; as well as URLs for NNTP newsgroup(s).