public inbox for gcc-bugs@sourceware.org help / color / mirror / Atom feed
* [Bug tree-optimization/90087] Suboptimal codegen for x < 0 ? x - INT_MIN : x [not found] <bug-90087-4@http.gcc.gnu.org/bugzilla/> @ 2022-01-01 9:24 ` pinskia at gcc dot gnu.org 2023-05-16 2:55 ` pinskia at gcc dot gnu.org 2023-05-24 7:57 ` pinskia at gcc dot gnu.org 2 siblings, 0 replies; 3+ messages in thread From: pinskia at gcc dot gnu.org @ 2022-01-01 9:24 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90087 Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Assignee|unassigned at gcc dot gnu.org |pinskia at gcc dot gnu.org Status|NEW |ASSIGNED --- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Mine. ^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug tree-optimization/90087] Suboptimal codegen for x < 0 ? x - INT_MIN : x [not found] <bug-90087-4@http.gcc.gnu.org/bugzilla/> 2022-01-01 9:24 ` [Bug tree-optimization/90087] Suboptimal codegen for x < 0 ? x - INT_MIN : x pinskia at gcc dot gnu.org @ 2023-05-16 2:55 ` pinskia at gcc dot gnu.org 2023-05-24 7:57 ` pinskia at gcc dot gnu.org 2 siblings, 0 replies; 3+ messages in thread From: pinskia at gcc dot gnu.org @ 2023-05-16 2:55 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90087 --- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> --- THis way with type_min and type_max filled out correctly. (simplify (cond (lt @0 integer_zero_p) (minus @0 INTEGER_CST@1) @0) (if (TYPE_SIGNED (type) && wi::to_widest(@0) == type_min(@0)) (bit_ior @0 { build_int_cst (type_max(type), type); } ))) Note I think TYPE_PRECISION needs to be a power of 2 but I could be wrong ... ^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug tree-optimization/90087] Suboptimal codegen for x < 0 ? x - INT_MIN : x [not found] <bug-90087-4@http.gcc.gnu.org/bugzilla/> 2022-01-01 9:24 ` [Bug tree-optimization/90087] Suboptimal codegen for x < 0 ? x - INT_MIN : x pinskia at gcc dot gnu.org 2023-05-16 2:55 ` pinskia at gcc dot gnu.org @ 2023-05-24 7:57 ` pinskia at gcc dot gnu.org 2 siblings, 0 replies; 3+ messages in thread From: pinskia at gcc dot gnu.org @ 2023-05-24 7:57 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90087 Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Depends on| |78115 Status|ASSIGNED |RESOLVED Resolution|--- |DUPLICATE --- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Basically a dup of bug 78115. *** This bug has been marked as a duplicate of bug 78115 *** Referenced Bugs: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78115 [Bug 78115] Missed optimization for "int modulo 2^31" ^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2023-05-24 7:57 UTC | newest] Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- [not found] <bug-90087-4@http.gcc.gnu.org/bugzilla/> 2022-01-01 9:24 ` [Bug tree-optimization/90087] Suboptimal codegen for x < 0 ? x - INT_MIN : x pinskia at gcc dot gnu.org 2023-05-16 2:55 ` pinskia at gcc dot gnu.org 2023-05-24 7:57 ` pinskia at gcc dot gnu.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).