[Bug middle-end/60429] [4.7 Regression] Miscompilation (aliasing) with -finline-functions
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60429 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|--- |FIXED Target Milestone|4.7.4 |4.8.3 Known to fail||4.7.4 --- Comment #32 from Richard Biener --- Fixed for 4.8.3.
[Bug middle-end/60429] [4.7 Regression] Miscompilation (aliasing) with -finline-functions
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60429 --- Comment #31 from rguenther at suse dot de --- On Sat, 22 Mar 2014, mikpelinux at gmail dot com wrote: > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60429 > > Mikael Pettersson changed: > >What|Removed |Added > > CC||mikpelinux at gmail dot com > > --- Comment #29 from Mikael Pettersson --- > Richard, your 4.8 backport performs the same call twice in a row on lines 3017 > and 3018 in tree-ssa-structalias.c; is that really intentional? > > + /* We have to include all fields that overlap the current > + field shifted by rhsoffset. And we include at least > + the last or the first field of the variable to represent > + reachability of off-bound addresses, in particular &object + 1, > + conservatively correct. */ > + temp = first_or_preceding_vi_for_offset (curr, offset); > + temp = first_or_preceding_vi_for_offset (curr, offset); No, fixed.
[Bug middle-end/60429] [4.7 Regression] Miscompilation (aliasing) with -finline-functions
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60429 --- Comment #30 from Richard Biener --- Author: rguenth Date: Mon Mar 24 08:42:37 2014 New Revision: 208784 URL: http://gcc.gnu.org/viewcvs?rev=208784&root=gcc&view=rev Log: 2014-03-24 Richard Biener PR tree-optimization/60429 * tree-ssa-structalias.c (get_constraint_for_ptr_offset): Remove duplicated line. Modified: branches/gcc-4_8-branch/gcc/ChangeLog branches/gcc-4_8-branch/gcc/tree-ssa-structalias.c --- Comment #31 from rguenther at suse dot de --- On Sat, 22 Mar 2014, mikpelinux at gmail dot com wrote: > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60429 > > Mikael Pettersson changed: > >What|Removed |Added > > CC||mikpelinux at gmail dot com > > --- Comment #29 from Mikael Pettersson --- > Richard, your 4.8 backport performs the same call twice in a row on lines 3017 > and 3018 in tree-ssa-structalias.c; is that really intentional? > > + /* We have to include all fields that overlap the current > + field shifted by rhsoffset. And we include at least > + the last or the first field of the variable to represent > + reachability of off-bound addresses, in particular &object + 1, > + conservatively correct. */ > + temp = first_or_preceding_vi_for_offset (curr, offset); > + temp = first_or_preceding_vi_for_offset (curr, offset); No, fixed.
[Bug middle-end/60429] [4.7 Regression] Miscompilation (aliasing) with -finline-functions
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60429 --- Comment #30 from Richard Biener --- Author: rguenth Date: Mon Mar 24 08:42:37 2014 New Revision: 208784 URL: http://gcc.gnu.org/viewcvs?rev=208784&root=gcc&view=rev Log: 2014-03-24 Richard Biener PR tree-optimization/60429 * tree-ssa-structalias.c (get_constraint_for_ptr_offset): Remove duplicated line. Modified: branches/gcc-4_8-branch/gcc/ChangeLog branches/gcc-4_8-branch/gcc/tree-ssa-structalias.c
[Bug middle-end/60429] [4.7 Regression] Miscompilation (aliasing) with -finline-functions
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60429 Mikael Pettersson changed: What|Removed |Added CC||mikpelinux at gmail dot com --- Comment #29 from Mikael Pettersson --- Richard, your 4.8 backport performs the same call twice in a row on lines 3017 and 3018 in tree-ssa-structalias.c; is that really intentional? + /* We have to include all fields that overlap the current + field shifted by rhsoffset. And we include at least + the last or the first field of the variable to represent + reachability of off-bound addresses, in particular &object + 1, + conservatively correct. */ + temp = first_or_preceding_vi_for_offset (curr, offset); + temp = first_or_preceding_vi_for_offset (curr, offset);
[Bug middle-end/60429] [4.7 Regression] Miscompilation (aliasing) with -finline-functions
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60429 Richard Biener changed: What|Removed |Added Known to work||4.8.3, 4.9.0 Summary|[4.7/4.8 Regression]|[4.7 Regression] |Miscompilation (aliasing) |Miscompilation (aliasing) |with -finline-functions |with -finline-functions Known to fail||4.7.3, 4.8.2 --- Comment #28 from Richard Biener --- Also fixed on the 4.8 branch.
