GSOC -willing to work on a project idea for GCC

2019-03-12 Thread Dinesh ch
Hello, I'm Dinesh aspiring to work on one of the project ideas -"Add new math.h and complex.h functions as built-ins" of GCC for GSOC. I believe that I have the required skills stated in the project idea. It would be great if I can get some help to start working on it so I could write the propo

GIMPLE type and Architecture

2019-03-12 Thread dalas
Hi, I am new to GCC Infrastructure for this year. I have an interest on GCC Intermediate Language System, and got into GIMPLE topic. One question i got in mind is whether this GIMPLE is used for all front-end that GCC supports for now? Seem the GIMPLE types are so generic that it even inclu

Re: GCC turns &~ into | due to undefined bit-shift without warning

2019-03-12 Thread Vincent Lefevre
On 2019-03-12 21:56:59 +0100, David Brown wrote: > I disagree. To generate an unconditional error (rejecting the program), the > compiler would need such proof - such as by tracing execution from main(). > But to generate a warning activated specifically by the user, there is no > such requirement

Re: GCC turns &~ into | due to undefined bit-shift without warning

2019-03-12 Thread David Brown
On 12/03/2019 16:40, Vincent Lefevre wrote: On 2019-03-11 13:51:21 +0100, David Brown wrote: On 11/03/2019 12:24, Vincent Lefevre wrote: It already does by default: -Wshift-count-negative Warn if shift count is negative. This warning is enabled by default.

Re: [RFC] split of i386.c

2019-03-12 Thread Jeff Law
On 3/12/19 2:50 PM, Eric Gallager wrote: > On 3/12/19, Martin Liška wrote: >> Hi. >> >> I've thinking about the file split about quite some time, mainly >> in context of PR84402. I would like to discuss if it's fine for >> maintainers of the target to make such split and into which logical >> comp

Re: How to add %' into gfc_fatal_error

2019-03-12 Thread Eric Gallager
On 3/11/19, Martin Sebor wrote: > On 3/11/19 8:18 AM, Martin Liška wrote: >> Hi. >> >> I would like to add %' into __gcc_gfc__ in order to handle: >> >> ./xgcc -B. /tmp/module.ii -Wformat -c >> /home/marxin/Programming/gcc/gcc/fortran/module.c: In function ‘void >> dump_module(const char*, int)’:

Re: [RFC] split of i386.c

2019-03-12 Thread Eric Gallager
On 3/12/19, Martin Liška wrote: > Hi. > > I've thinking about the file split about quite some time, mainly > in context of PR84402. I would like to discuss if it's fine for > maintainers of the target to make such split and into which logical > components can the file be split? > > I'm suggesting

Re: debugging libgo failures

2019-03-12 Thread Ian Lance Taylor
On Tue, Mar 12, 2019 at 11:20 AM Aldy Hernandez wrote: > > I have some libgo failures which I'm pretty sure I caused (see below for > details), but I can't seem to figure out how to reproduce. Before I go > down the rabbit hole, is there an easy way of reproducing say: > > FAIL: database/sql > FA

debugging libgo failures

2019-03-12 Thread Aldy Hernandez
Hi Ian. Hi folks. I have some libgo failures which I'm pretty sure I caused (see below for details), but I can't seem to figure out how to reproduce. Before I go down the rabbit hole, is there an easy way of reproducing say: FAIL: database/sql FAIL: net/http I'm used to scouring x86_64-pc

Re: GCC turns &~ into | due to undefined bit-shift without warning

2019-03-12 Thread Vincent Lefevre
On 2019-03-11 13:51:21 +0100, David Brown wrote: > On 11/03/2019 12:24, Vincent Lefevre wrote: > > It already does by default: > > > >-Wshift-count-negative > >Warn if shift count is negative. This warning is enabled > >by default. > > > >-Wshift-count-over

Re: How to add %' into gfc_fatal_error

2019-03-12 Thread Martin Liška
On 3/12/19 3:17 PM, Steve Kargl wrote: > On Tue, Mar 12, 2019 at 12:15:01PM +0100, Martin Liška wrote: >> On 3/11/19 6:23 PM, Steve Kargl wrote: >>> On Mon, Mar 11, 2019 at 12:07:55PM -0400, David Malcolm wrote: On Mon, 2019-03-11 at 15:18 +0100, Martin Liška wrote: > Hi. > > I wou

Re: How to add %' into gfc_fatal_error

2019-03-12 Thread Steve Kargl
On Tue, Mar 12, 2019 at 12:15:01PM +0100, Martin Liška wrote: > On 3/11/19 6:23 PM, Steve Kargl wrote: > > On Mon, Mar 11, 2019 at 12:07:55PM -0400, David Malcolm wrote: > >> On Mon, 2019-03-11 at 15:18 +0100, Martin Liška wrote: > >>> Hi. > >>> > >>> I would like to add %' into __gcc_gfc__ in orde

Re: How to add %' into gfc_fatal_error

2019-03-12 Thread Martin Liška
On 3/11/19 6:23 PM, Steve Kargl wrote: > On Mon, Mar 11, 2019 at 12:07:55PM -0400, David Malcolm wrote: >> On Mon, 2019-03-11 at 15:18 +0100, Martin Liška wrote: >>> Hi. >>> >>> I would like to add %' into __gcc_gfc__ in order to handle: >>> >>> ./xgcc -B. /tmp/module.ii -Wformat -c >>> /home/marxi

Re:2018-12-26

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[GSoC 2019]: Interested in "Make C/C++ not automatically promote memory_order_consume to memory_order_acquire"

2019-03-12 Thread Akshatg
Hello all, I'm a 2nd year Master's student at IIT Bombay. I have taken advance compiler related courses in the past semesters. I'm interested to work on the project "Make C/C++ not automatically promote memory_order_consume to memory_order_acquire" this summer. I have read the documents share