Re: LTO bootstrap compare errors for ARM64

2014-08-11 Thread Venkataramanan Kumar
Hi Honza, I did not find any differences in tree level dumps. These are the dump differences in IPA In gimple-fold.c.000i.cgraph (--Snip--) < _Z25gimple_build_omp_continueP9tree_nodeS0_/761 (gimple_build_omp_continue(tree_node*, tree_node*)) @0x3ff7ebda548 --- > _Z25gimple_build_omp_continueP9tr

Re: -x assembler-with-cpp behavior different on different unixes.

2014-08-11 Thread Rainer Orth
Hi Karel, >>> With Solaris 9 support gone on mainline, this can be revisited now, but >>> this won't change anything for released versions. >> >> What shall I do for this to be at least considered? > > Nothing: it's already on my agenda to fix this for 4.10/5.0, thanks to > your report :-) The on

Re: [GSoC] replacing op in c_expr

2014-08-11 Thread Richard Biener
On Sun, Aug 10, 2014 at 11:17 PM, Prathamesh Kulkarni wrote: > On Mon, Aug 4, 2014 at 2:13 PM, Richard Biener > wrote: >> On Sun, Aug 3, 2014 at 6:58 PM, Prathamesh Kulkarni >> wrote: >>> On Tue, Jul 29, 2014 at 4:29 PM, Richard Biener >>> wrote: On Mon, Jul 28, 2014 at 10:02 PM, Prathames

Re: [GSoC] CSE result-ops

2014-08-11 Thread Richard Biener
On Sun, Aug 10, 2014 at 11:33 PM, Prathamesh Kulkarni wrote: > Should we CSE result-op (if result-op is not c_expr) ? I think that's a premature optimization at this point. Richard. > for example: > > match-op1 -> result-op1 > match-op2 -> result-op1 > > we generate code as: > match-op1 > res

Re: writing patterns

2014-08-11 Thread Richard Biener
On Mon, Aug 11, 2014 at 1:06 AM, Prathamesh Kulkarni wrote: > On Mon, Aug 11, 2014 at 2:53 AM, Prathamesh Kulkarni > wrote: >> On Tue, Aug 5, 2014 at 3:15 PM, Richard Biener >> wrote: >>> On Mon, Aug 4, 2014 at 4:44 PM, Prathamesh Kulkarni >>> wrote: On Mon, Aug 4, 2014 at 2:59 PM, Richard

Conditional negation elimination in tree-ssa-phiopt.c

2014-08-11 Thread Kyrill Tkachov
Hi all, The aarch64 target has a conditional negation instruction CSNEG Rd, Rs1, Rs2, cond with semantics Rd = if cond then Rs1 else -Rs2. This, however doesn't get end up getting matched for code such as: int foo2 (unsigned a, unsigned b) { int r = 0; r = a & b; if (a & b) return -r;

Re: Missing tags in the Git mirror

2014-08-11 Thread Роман Донченко
Jonathan Wakely писал в своём письме Wed, 06 Aug 2014 15:07:11 +0400: On 5 August 2014 19:32, Роман Донченко wrote: Hello, Tags for the following releases are not in the Git mirror repository: * 3.3 * 3.3.1 * 3.3.5 * 3.3.6 * 4.7.4 * 4.8.3 * 4.9.1 I figure this is the place to report it?

Re: Conditional negation elimination in tree-ssa-phiopt.c

2014-08-11 Thread Jeff Law
On 08/11/14 07:41, Kyrill Tkachov wrote: I haven't been able to get combine to match the comparison+xor+neg+plus RTL and it seems like it would be just a workaround to undo the tree-level transformation. Yea, it'd just be a workaround, but it's probably the easiest way to deal with this problem

Ann: MELT 1.1.1 plugin for GCC 4.8 & 4.9

2014-08-11 Thread Basile Starynkevitch
It is my pleasure to announce the MELT 1.1.1 plugin for GCC 4.8 and 4.9 The MELT plugin 1.1.1 release (for GCC 4.8 or 4.9) is available (since august 11th, 2014) from http://gcc-melt.org/melt-1.1.1-plugin-for-gcc-4.8-or-4.9.tar.bz2 as a bzip2-ed tar source file of md5sum 5879dd6931d169bb643

Where does GCC pick passes for different opt. levels

2014-08-11 Thread Steve Ellcey
I have a basic question about optimization selection in GCC. There used to be some code in GCC (passes.c?) that would set various optimize pass flags depending on if the 'optimize' flag was > 0, > 1, or > 2; later I think there may have been a table. This code seems gone now and I can't figure ou

Re: Where does GCC pick passes for different opt. levels

2014-08-11 Thread Marc Glisse
On Mon, 11 Aug 2014, Steve Ellcey wrote: I have a basic question about optimization selection in GCC. There used to be some code in GCC (passes.c?) that would set various optimize pass flags depending on if the 'optimize' flag was > 0, > 1, or > 2; later I think there may have been a table.

Re: Where does GCC pick passes for different opt. levels

2014-08-11 Thread Andrew Pinski
On Mon, Aug 11, 2014 at 1:58 PM, Steve Ellcey wrote: > I have a basic question about optimization selection in GCC. There used to > be some code in GCC (passes.c?) that would set various optimize pass flags > depending on if the 'optimize' flag was > 0, > 1, or > 2; later I think > there may have

Re: Where does GCC pick passes for different opt. levels

2014-08-11 Thread Steve Ellcey
> default_options_table in opts.c. Thanks Andrew and Marc, I knew it would be obvious once I saw it. Steve

Re: writing patterns

2014-08-11 Thread Prathamesh Kulkarni
On Mon, Aug 11, 2014 at 5:52 PM, Richard Biener wrote: > On Mon, Aug 11, 2014 at 1:06 AM, Prathamesh Kulkarni > wrote: >> On Mon, Aug 11, 2014 at 2:53 AM, Prathamesh Kulkarni >> wrote: >>> On Tue, Aug 5, 2014 at 3:15 PM, Richard Biener >>> wrote: On Mon, Aug 4, 2014 at 4:44 PM, Prathamesh

Re: current NEON status

2014-08-11 Thread Marat Zakirov
Hi Vladimir! I think you are as the main IRA contributor would be appropriate person to answer question bellow. Please confirm or refute my statement about unsplittable register ranges in GCC IRA. On 07/30/2014 05:38 PM, Marat Zakirov wrote: Hi there! My question came from bug https://gcc.g

Re: current NEON status

2014-08-11 Thread Andrew Pinski
On Mon, Aug 11, 2014 at 11:44 PM, Marat Zakirov wrote: > Hi Vladimir! > > I think you are as the main IRA contributor would be appropriate person to > answer question bellow. Please confirm or refute my statement about > unsplittable register ranges in GCC IRA. > > > On 07/30/2014 05:38 PM, Marat