Re: [PATCH][4/4][v2] RPO-style value-numbering for FRE/PRE

2018-09-14 Thread Gerald Pfeifer
On Thu, 13 Sep 2018, Richard Biener wrote: > If it reproduces with clang as a host compiler maybe you can > use ASAN with it? That's an ancient version of clang (3.4), so not too useful, but... On Thu, 13 Sep 2018, Richard Biener wrote: > PR bootstrap/87134 > * tree-ssa-sccvn.c (vn_na

Re: [PATCH][4/4][v2] RPO-style value-numbering for FRE/PRE

2018-09-13 Thread Richard Biener
On Thu, 13 Sep 2018, Richard Biener wrote: > On Thu, 13 Sep 2018, Richard Biener wrote: > > > On Thu, 13 Sep 2018, Gerald Pfeifer wrote: > > > > > On Mon, 10 Sep 2018, Martin Liška wrote: > > > > Works for me! One needed to add --wrapper gdb81,--args. So now > > > > I see a nice back-trace. > >

Re: [PATCH][4/4][v2] RPO-style value-numbering for FRE/PRE

2018-09-13 Thread Richard Biener
On Thu, 13 Sep 2018, Richard Biener wrote: > On Thu, 13 Sep 2018, Gerald Pfeifer wrote: > > > On Mon, 10 Sep 2018, Martin Liška wrote: > > > Works for me! One needed to add --wrapper gdb81,--args. So now > > > I see a nice back-trace. > > > > Great! This appears to be a tough one, though breaki

Re: [PATCH][4/4][v2] RPO-style value-numbering for FRE/PRE

2018-09-13 Thread Richard Biener
On Thu, 13 Sep 2018, Gerald Pfeifer wrote: > On Mon, 10 Sep 2018, Martin Liška wrote: > > Works for me! One needed to add --wrapper gdb81,--args. So now > > I see a nice back-trace. > > Great! This appears to be a tough one, though breaking FreeBSD/i386 > with clang, GCC 6 and GCC 9 (two weeks o

Re: [PATCH][4/4][v2] RPO-style value-numbering for FRE/PRE

2018-09-13 Thread Gerald Pfeifer
On Mon, 10 Sep 2018, Martin Liška wrote: > Works for me! One needed to add --wrapper gdb81,--args. So now > I see a nice back-trace. Great! This appears to be a tough one, though breaking FreeBSD/i386 with clang, GCC 6 and GCC 9 (two weeks old), Solaris, HP/UX, so looks like something around glib

Re: [PATCH][4/4][v2] RPO-style value-numbering for FRE/PRE

2018-09-12 Thread John David Anglin
On Wed, Sep 05, 2018 at 12:12:39AM +0200, Gerald Pfeifer wrote: > On Fri, 24 Aug 2018, Richard Biener wrote: > > Comments are still welcome - I've re-bootstrapped and tested the series > > on x86_64-unknown-linux-gnu for all languages and will talk about > > this work@the Cauldron in more detail. >

Re: [PATCH][4/4][v2] RPO-style value-numbering for FRE/PRE

2018-09-10 Thread Martin Liška
On 09/10/2018 02:19 PM, Gerald Pfeifer wrote: > On Mon, 10 Sep 2018, Martin Liška wrote: >> I can reproduce that locally in a KVM machine running FreeBSD test >> 10.4-RELEASE. I used gcc version 6.4.0 (FreeBSD Ports Collection) to >> build stage1 compiler and I can see Segfaults happening. > > G

Re: [PATCH][4/4][v2] RPO-style value-numbering for FRE/PRE

2018-09-10 Thread Gerald Pfeifer
On Mon, 10 Sep 2018, Martin Liška wrote: > I can reproduce that locally in a KVM machine running FreeBSD test > 10.4-RELEASE. I used gcc version 6.4.0 (FreeBSD Ports Collection) to > build stage1 compiler and I can see Segfaults happening. Great, thanks for helping look into this, Martin! > Iss

Re: [PATCH][4/4][v2] RPO-style value-numbering for FRE/PRE

2018-09-10 Thread Martin Liška
On 09/05/2018 09:48 AM, Richard Biener wrote: > On Wed, 5 Sep 2018, Gerald Pfeifer wrote: > >> On Tue, 4 Sep 2018, Jeff Law wrote: On the other hand, this ICE has been consistent across a week of daily builds now. >>> An FYI, My i686 builds have been running OK. But given what you've >>

Re: [PATCH][4/4][v2] RPO-style value-numbering for FRE/PRE

2018-09-05 Thread Richard Biener
On Wed, 5 Sep 2018, Gerald Pfeifer wrote: > On Tue, 4 Sep 2018, Jeff Law wrote: > >> On the other hand, this ICE has been consistent across a week of > >> daily builds now. > > An FYI, My i686 builds have been running OK. But given what you've > > described this could well be an uninitialized rea

Re: [PATCH][4/4][v2] RPO-style value-numbering for FRE/PRE

2018-09-05 Thread Gerald Pfeifer
On Tue, 4 Sep 2018, Jeff Law wrote: >> On the other hand, this ICE has been consistent across a week of >> daily builds now. > An FYI, My i686 builds have been running OK. But given what you've > described this could well be an uninitialized read, dangling pointer, > out of bounds write or some si

Re: [PATCH][4/4][v2] RPO-style value-numbering for FRE/PRE

2018-09-05 Thread Richard Biener
On Wed, 5 Sep 2018, Gerald Pfeifer wrote: > On Fri, 24 Aug 2018, Richard Biener wrote: > > Comments are still welcome - I've re-bootstrapped and tested the series > > on x86_64-unknown-linux-gnu for all languages and will talk about > > this work at the Cauldron in more detail. > > Is there any c

Re: [PATCH][4/4][v2] RPO-style value-numbering for FRE/PRE

2018-09-04 Thread Jeff Law
On 09/04/2018 04:12 PM, Gerald Pfeifer wrote: > On Fri, 24 Aug 2018, Richard Biener wrote: >> Comments are still welcome - I've re-bootstrapped and tested the series >> on x86_64-unknown-linux-gnu for all languages and will talk about >> this work at the Cauldron in more detail. > > Is there any c

Re: [PATCH][4/4][v2] RPO-style value-numbering for FRE/PRE

2018-09-04 Thread Gerald Pfeifer
On Fri, 24 Aug 2018, Richard Biener wrote: > Comments are still welcome - I've re-bootstrapped and tested the series > on x86_64-unknown-linux-gnu for all languages and will talk about > this work at the Cauldron in more detail. Is there any chance you can test this on i586 as well? Since around