Re: LRA reloads of subregs

2015-09-03 Thread David Miller
From: Segher Boessenkool Date: Thu, 3 Sep 2015 20:26:51 -0500 > On Thu, Sep 03, 2015 at 03:33:56PM -0700, David Miller wrote: >> (insn 18631 1099 1100 14 (set (reg:SI 13423) >> (subreg:SI (mem/c:QI (plus:SI (reg/f:SI 101 %sfp) >> (const_int -14269 [0xc843])

Re: LRA reloads of subregs

2015-09-03 Thread Segher Boessenkool
On Thu, Sep 03, 2015 at 03:33:56PM -0700, David Miller wrote: > (insn 18631 1099 1100 14 (set (reg:SI 13423) > (subreg:SI (mem/c:QI (plus:SI (reg/f:SI 101 %sfp) > (const_int -14269 [0xc843])) [0 %sfp+-14269 > S1 A8]) 0)) x.c:104 63 {*movsi_insn} > (expr

LRA reloads of subregs

2015-09-03 Thread David Miller
I'm working on converting sparc to LRA, and thanks probably to the work the powerpc folks did this is going much better than when I last tried this. The first major stumbling block I've run into is when LRA forces a reload for a SUBREG, and specifically there is a MEM involved that itself needs a

RFC: Support x86 interrupt and exception handlers

2015-09-03 Thread H.J. Lu
The interrupt and exception handlers are called by x86 processors. X86 hardware puts information on stack and calls the handler. The requirements are 1. Both interrupt and exception handlers must use the 'IRET' instruction, instead of the 'RET' instruction, to return from the handlers. 2. All re

Re: incremental compiler project

2015-09-03 Thread Jeff Law
On 09/03/2015 10:36 AM, Manuel López-Ibáñez wrote: On 02/09/15 22:44, David Kunsman wrote: Hello, I just read over the incremental compiler project on the gcc wiki...and I am excited to try to finish it. I am just wondering if it is even wanted anymore because it is 7-8 years old. Does anybody

Re: incremental compiler project

2015-09-03 Thread Manuel López-Ibáñez
On 02/09/15 22:44, David Kunsman wrote: Hello, I just read over the incremental compiler project on the gcc wiki...and I am excited to try to finish it. I am just wondering if it is even wanted anymore because it is 7-8 years old. Does anybody know if this project is wanted anymore? The overa

Re: Acceptance criteria for the git conversion

2015-09-03 Thread Jason Merrill
On 09/03/2015 02:59 AM, Trevor Saunders wrote: On Tue, Sep 01, 2015 at 06:06:33PM +0200, Andreas Schwab wrote: "Eric S. Raymond" writes: There is no way to maintain those links for git, so yes, you want to keep a read-only Subversion instance around. The mapping can also be put in some git

RE: Live range Analysis based on tree representations

2015-09-03 Thread Ajit Kumar Agarwal
-Original Message- From: Aaron Sawdey [mailto:acsaw...@linux.vnet.ibm.com] Sent: Wednesday, September 02, 2015 8:23 PM To: Ajit Kumar Agarwal Cc: Jeff Law; vmaka...@redhat.com; Richard Biener; gcc@gcc.gnu.org; Vinod Kathail; Shail Aditya Gupta; Vidhumouli Hunsigida; Nagaraju Mekala Subj

Re: Acceptance criteria for the git conversion

2015-09-03 Thread Joseph Myers
On Thu, 3 Sep 2015, shmeel gutl wrote: > I am working from a clone of the current git repository. Is there an automated > procedure that will enable me to switch to the new repository and still keep > all of the commit history of my local branches? Well, the "git fetch" command I proposed in

Re: Acceptance criteria for the git conversion

2015-09-03 Thread Andreas Schwab
"Eric S. Raymond" writes: > (I'm pretty sure there's also a way to do this using the obscure "git bundle" > feature, but I've never learned it in detail.) git bundle cannot help here because it cannot rewrite commits. It's just an implementation of the git protocol over some unspecified file tr

Re: Acceptance criteria for the git conversion

2015-09-03 Thread Andreas Schwab
shmeel gutl writes: > I am working from a clone of the current git repository. Is there an > automated procedure that will enable me to switch to the new repository > and still keep all of the commit history of my local branches? The easiest way to do that is to fetch the new repository into you

Re: Acceptance criteria for the git conversion

2015-09-03 Thread Eric S. Raymond
shmeel gutl : > On 01-Sep-15 01:54 PM, Eric S. Raymond wrote: > >What kind of mechanical transformation or hand-editing would add value for > >you? > I am working from a clone of the current git repository. Is there an > automated procedure that will enable me to switch to the new repository and >

Re: Acceptance criteria for the git conversion

2015-09-03 Thread shmeel gutl
On 01-Sep-15 01:54 PM, Eric S. Raymond wrote: What kind of mechanical transformation or hand-editing would add value for you? I am working from a clone of the current git repository. Is there an automated procedure that will enable me to switch to the new repository and still keep all of the co

Re: Acceptance criteria for the git conversion

2015-09-03 Thread Trevor Saunders
On Tue, Sep 01, 2015 at 06:06:33PM +0200, Andreas Schwab wrote: > "Eric S. Raymond" writes: > > > There is no way to maintain those links for git, so yes, you want to > > keep a read-only Subversion instance around. > > The mapping can also be put in some git notes tree for use by bugzilla. > Th