public inbox for gcc-bugs@sourceware.org help / color / mirror / Atom feed
* [Bug tree-optimization/21470] -fargument-noalias-global has no effect for the vectorizer [not found] <bug-21470-10391@http.gcc.gnu.org/bugzilla/> @ 2005-10-05 13:20 ` pinskia at gcc dot gnu dot org 2006-01-10 20:31 ` pinskia at gcc dot gnu dot org ` (3 subsequent siblings) 4 siblings, 0 replies; 8+ messages in thread From: pinskia at gcc dot gnu dot org @ 2005-10-05 13:20 UTC (permalink / raw) To: gcc-bugs ------- Comment #4 from pinskia at gcc dot gnu dot org 2005-10-05 13:20 ------- Talked to Daniel Berlin about the patch I had, it was in the wrong spot, I had it in the post process and not when analyzing the code. So unassigning for now. -- pinskia at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- AssignedTo|pinskia at gcc dot gnu dot |unassigned at gcc dot gnu |org |dot org Status|ASSIGNED |NEW http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21470 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug tree-optimization/21470] -fargument-noalias-global has no effect for the vectorizer [not found] <bug-21470-10391@http.gcc.gnu.org/bugzilla/> 2005-10-05 13:20 ` [Bug tree-optimization/21470] -fargument-noalias-global has no effect for the vectorizer pinskia at gcc dot gnu dot org @ 2006-01-10 20:31 ` pinskia at gcc dot gnu dot org 2006-01-16 17:09 ` pinskia at gcc dot gnu dot org ` (2 subsequent siblings) 4 siblings, 0 replies; 8+ messages in thread From: pinskia at gcc dot gnu dot org @ 2006-01-10 20:31 UTC (permalink / raw) To: gcc-bugs ------- Comment #5 from pinskia at gcc dot gnu dot org 2006-01-10 20:31 ------- I have a fix which comes from Richard Guenther and modified for -fargument-noalias-global instead of restrict as it was using the wrong test. -- pinskia at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- AssignedTo|unassigned at gcc dot gnu |pinskia at gcc dot gnu dot |dot org |org Status|NEW |ASSIGNED http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21470 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug tree-optimization/21470] -fargument-noalias-global has no effect for the vectorizer [not found] <bug-21470-10391@http.gcc.gnu.org/bugzilla/> 2005-10-05 13:20 ` [Bug tree-optimization/21470] -fargument-noalias-global has no effect for the vectorizer pinskia at gcc dot gnu dot org 2006-01-10 20:31 ` pinskia at gcc dot gnu dot org @ 2006-01-16 17:09 ` pinskia at gcc dot gnu dot org 2006-01-26 17:50 ` pinskia at gcc dot gnu dot org 2006-01-26 17:51 ` pinskia at gcc dot gnu dot org 4 siblings, 0 replies; 8+ messages in thread From: pinskia at gcc dot gnu dot org @ 2006-01-16 17:09 UTC (permalink / raw) To: gcc-bugs ------- Comment #6 from pinskia at gcc dot gnu dot org 2006-01-16 17:09 ------- Patch posted: http://gcc.gnu.org/ml/gcc-patches/2006-01/msg00864.html -- pinskia at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- URL| |http://gcc.gnu.org/ml/gcc- | |patches/2006- | |01/msg00864.html Keywords| |patch http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21470 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug tree-optimization/21470] -fargument-noalias-global has no effect for the vectorizer [not found] <bug-21470-10391@http.gcc.gnu.org/bugzilla/> ` (2 preceding siblings ...) 2006-01-16 17:09 ` pinskia at gcc dot gnu dot org @ 2006-01-26 17:50 ` pinskia at gcc dot gnu dot org 2006-01-26 17:51 ` pinskia at gcc dot gnu dot org 4 siblings, 0 replies; 8+ messages in thread From: pinskia at gcc dot gnu dot org @ 2006-01-26 17:50 UTC (permalink / raw) To: gcc-bugs ------- Comment #7 from pinskia at gcc dot gnu dot org 2006-01-26 17:50 ------- Fixed applied. -- pinskia at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution| |FIXED Target Milestone|--- |4.2.0 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21470 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug tree-optimization/21470] -fargument-noalias-global has no effect for the vectorizer [not found] <bug-21470-10391@http.gcc.gnu.org/bugzilla/> ` (3 preceding siblings ...) 2006-01-26 17:50 ` pinskia at gcc dot gnu dot org @ 2006-01-26 17:51 ` pinskia at gcc dot gnu dot org 4 siblings, 0 replies; 8+ messages in thread From: pinskia at gcc dot gnu dot org @ 2006-01-26 17:51 UTC (permalink / raw) To: gcc-bugs ------- Comment #8 from pinskia at gcc dot gnu dot org 2006-01-26 17:51 ------- Subject: Bug 21470 Author: pinskia Date: Thu Jan 26 17:51:25 2006 New Revision: 110263 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=110263 Log: 2006-01-26 Richard Guenther <rguenther@suse.de> Andrew Pinski <pinskia@physics.uc.edu> PR tree-opt/21470 partial PR tree-opt/17064 * tree-ssa-structalias.c (intra_create_variable_infos): Create heap variables for incoming parameters if flag_argument_noalias > 1. (find_what_p_points_to): Look through default defs of parameter decls. Modified: trunk/gcc/ChangeLog -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21470 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug fortran/21470] New: mark subroutine arguments __restrict__ @ 2005-05-09 14:47 tkoenig at gcc dot gnu dot org 2005-05-09 14:53 ` [Bug tree-optimization/21470] -fargument-noalias-global has no effect for the vectorizer pinskia at gcc dot gnu dot org ` (2 more replies) 0 siblings, 3 replies; 8+ messages in thread From: tkoenig at gcc dot gnu dot org @ 2005-05-09 14:47 UTC (permalink / raw) To: gcc-bugs Fortran subroutine arguments should be marked as __restrict__. Currently, the following code isn't vectorized: $ cat loopsum.f90 subroutine foo(a,b,c,n) real, dimension(n), intent(in) :: a,b real, dimension(n), intent(out) :: c do i=1,n c(i) = a(i)+b(i) end do end $ gfortran -O -S -ftree-vectorize -ftree-vectorizer-verbose=5 loopsum.f90 loopsum.f90:4: note: not vectorized: can't determine dependence between: (*a_18) [D.527_17] and (*c_25)[D.527_17] loopsum.f90:1: note: vectorized 0 loops in function. $ gfortran -v Using built-in specs. Target: ia64-unknown-linux-gnu Configured with: ../gcc-4.1-20050508/configure --prefix=/home/zfkts --enable- languages=c,f95 Thread model: posix gcc version 4.1.0 20050508 (experimental) -- Summary: mark subroutine arguments __restrict__ Product: gcc Version: 4.1.0 Status: UNCONFIRMED Keywords: missed-optimization Severity: normal Priority: P2 Component: fortran AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: tkoenig at gcc dot gnu dot org CC: gcc-bugs at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21470 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug tree-optimization/21470] -fargument-noalias-global has no effect for the vectorizer 2005-05-09 14:47 [Bug fortran/21470] New: mark subroutine arguments __restrict__ tkoenig at gcc dot gnu dot org @ 2005-05-09 14:53 ` pinskia at gcc dot gnu dot org 2005-05-09 15:54 ` pinskia at gcc dot gnu dot org 2005-08-06 19:47 ` pinskia at gcc dot gnu dot org 2 siblings, 0 replies; 8+ messages in thread From: pinskia at gcc dot gnu dot org @ 2005-05-09 14:53 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From pinskia at gcc dot gnu dot org 2005-05-09 14:53 ------- Actually -fargument-noalias-global is set to true for fortran and should be respected instead of marking them as restrict. -- What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Component|fortran |tree-optimization Ever Confirmed| |1 Last reconfirmed|0000-00-00 00:00:00 |2005-05-09 14:53:51 date| | Summary|mark subroutine arguments |-fargument-noalias-global |__restrict__ |has no effect for the | |vectorizer http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21470 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug tree-optimization/21470] -fargument-noalias-global has no effect for the vectorizer 2005-05-09 14:47 [Bug fortran/21470] New: mark subroutine arguments __restrict__ tkoenig at gcc dot gnu dot org 2005-05-09 14:53 ` [Bug tree-optimization/21470] -fargument-noalias-global has no effect for the vectorizer pinskia at gcc dot gnu dot org @ 2005-05-09 15:54 ` pinskia at gcc dot gnu dot org 2005-08-06 19:47 ` pinskia at gcc dot gnu dot org 2 siblings, 0 replies; 8+ messages in thread From: pinskia at gcc dot gnu dot org @ 2005-05-09 15:54 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From pinskia at gcc dot gnu dot org 2005-05-09 15:54 ------- If the aliasing information is correct on the VOPS, I would assume that the vectorizer would not have problems with it. Note there is another bug about this option, see PR 17064. -- What |Removed |Added ---------------------------------------------------------------------------- CC| |pinskia at gcc dot gnu dot | |org BugsThisDependsOn| |17064 Keywords| |alias http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21470 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug tree-optimization/21470] -fargument-noalias-global has no effect for the vectorizer 2005-05-09 14:47 [Bug fortran/21470] New: mark subroutine arguments __restrict__ tkoenig at gcc dot gnu dot org 2005-05-09 14:53 ` [Bug tree-optimization/21470] -fargument-noalias-global has no effect for the vectorizer pinskia at gcc dot gnu dot org 2005-05-09 15:54 ` pinskia at gcc dot gnu dot org @ 2005-08-06 19:47 ` pinskia at gcc dot gnu dot org 2 siblings, 0 replies; 8+ messages in thread From: pinskia at gcc dot gnu dot org @ 2005-08-06 19:47 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From pinskia at gcc dot gnu dot org 2005-08-06 19:47 ------- I have a fix which I need to bootstrap/test. -- What |Removed |Added ---------------------------------------------------------------------------- AssignedTo|unassigned at gcc dot gnu |pinskia at gcc dot gnu dot |dot org |org Status|NEW |ASSIGNED http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21470 ^ permalink raw reply [flat|nested] 8+ messages in thread
end of thread, other threads:[~2006-01-26 17:51 UTC | newest] Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- [not found] <bug-21470-10391@http.gcc.gnu.org/bugzilla/> 2005-10-05 13:20 ` [Bug tree-optimization/21470] -fargument-noalias-global has no effect for the vectorizer pinskia at gcc dot gnu dot org 2006-01-10 20:31 ` pinskia at gcc dot gnu dot org 2006-01-16 17:09 ` pinskia at gcc dot gnu dot org 2006-01-26 17:50 ` pinskia at gcc dot gnu dot org 2006-01-26 17:51 ` pinskia at gcc dot gnu dot org 2005-05-09 14:47 [Bug fortran/21470] New: mark subroutine arguments __restrict__ tkoenig at gcc dot gnu dot org 2005-05-09 14:53 ` [Bug tree-optimization/21470] -fargument-noalias-global has no effect for the vectorizer pinskia at gcc dot gnu dot org 2005-05-09 15:54 ` pinskia at gcc dot gnu dot org 2005-08-06 19:47 ` pinskia at gcc dot gnu dot org
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 read-only IMAP folder(s) and NNTP newsgroup(s).