[Bug c++/83778] [8 regression] g++.dg/ext/altivec-cell-2.C fails starting with r256448

2018-01-13 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83778 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug c++/83778] [8 regression] g++.dg/ext/altivec-cell-2.C fails starting with r256448

2018-01-12 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83778 --- Comment #6 from Jakub Jelinek --- Author: jakub Date: Fri Jan 12 21:41:19 2018 New Revision: 256599 URL: https://gcc.gnu.org/viewcvs?rev=256599=gcc=rev Log: PR c++/83778 * config/rs6000/rs6000-c.c

[Bug c++/83778] [8 regression] g++.dg/ext/altivec-cell-2.C fails starting with r256448

2018-01-12 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83778 --- Comment #5 from Jakub Jelinek --- Created attachment 43118 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=43118=edit gcc8-pr83778.patch This restores the previous behavior for me. Note, the question is whether the 4 is really

[Bug c++/83778] [8 regression] g++.dg/ext/altivec-cell-2.C fails starting with r256448

2018-01-12 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83778 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment #4

[Bug c++/83778] [8 regression] g++.dg/ext/altivec-cell-2.C fails starting with r256448

2018-01-11 Thread dmalcolm at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83778 --- Comment #3 from David Malcolm --- I still haven't been able to reproduce this; sorry.

[Bug c++/83778] [8 regression] g++.dg/ext/altivec-cell-2.C fails starting with r256448

2018-01-11 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83778 Richard Biener changed: What|Removed |Added Priority|P3 |P1 Target Milestone|---

[Bug c++/83778] [8 regression] g++.dg/ext/altivec-cell-2.C fails starting with r256448

2018-01-10 Thread dmalcolm at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83778 --- Comment #2 from David Malcolm --- Presumably we should simply strip the location from arg, though there are some places with: /* Call get_element_number to validate arg1 if it is a constant. */ if (TREE_CODE (arg1) == INTEGER_CST)

[Bug c++/83778] [8 regression] g++.dg/ext/altivec-cell-2.C fails starting with r256448

2018-01-10 Thread dmalcolm at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83778 --- Comment #1 from David Malcolm --- It does look like an issue with r256448, but I haven't been able to reproduce it here yet. There are 3 in-tree copies of get_element_number, in 3 backends; each has 2 users per backend; they all look like: