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* [Bug target/102068] New: [AIX] field alignment ignores packed @ 2021-08-25 15:58 dje at gcc dot gnu.org 2021-08-25 15:58 ` [Bug target/102068] " dje at gcc dot gnu.org ` (2 more replies) 0 siblings, 3 replies; 4+ messages in thread From: dje at gcc dot gnu.org @ 2021-08-25 15:58 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102068 Bug ID: 102068 Summary: [AIX] field alignment ignores packed Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: dje at gcc dot gnu.org Target Milestone: --- Target: powerpc-ibm-aix* struct __attribute__((packed, aligned(2))) S { double a; char b; }; extern "C" int printf(const char*, ...); int main() { printf("alignof %s is \t\t%lu\n","S\t",__alignof__(S)); } GCC: S = 8 XLC: S = 2 typedef double Dbl __attribute__((__aligned__(2))); struct S { Dbl d; }; S s; extern "C" int printf(const char*, ...); int main() { printf("alignof %s is \t\t%lu\n","D\t",__alignof__(D)); printf("alignof %s is \t\t%lu\n","S\t",__alignof__(S)); } D = 2 GCC: S = 8 XLC: S = 2 ^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug target/102068] [AIX] field alignment ignores packed 2021-08-25 15:58 [Bug target/102068] New: [AIX] field alignment ignores packed dje at gcc dot gnu.org @ 2021-08-25 15:58 ` dje at gcc dot gnu.org 2021-08-27 1:16 ` cvs-commit at gcc dot gnu.org 2021-08-27 14:13 ` dje at gcc dot gnu.org 2 siblings, 0 replies; 4+ messages in thread From: dje at gcc dot gnu.org @ 2021-08-25 15:58 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102068 David Edelsohn <dje at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Ever confirmed|0 |1 Last reconfirmed| |2021-08-25 Status|UNCONFIRMED |NEW --- Comment #1 from David Edelsohn <dje at gcc dot gnu.org> --- Confirmed. ^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug target/102068] [AIX] field alignment ignores packed 2021-08-25 15:58 [Bug target/102068] New: [AIX] field alignment ignores packed dje at gcc dot gnu.org 2021-08-25 15:58 ` [Bug target/102068] " dje at gcc dot gnu.org @ 2021-08-27 1:16 ` cvs-commit at gcc dot gnu.org 2021-08-27 14:13 ` dje at gcc dot gnu.org 2 siblings, 0 replies; 4+ messages in thread From: cvs-commit at gcc dot gnu.org @ 2021-08-27 1:16 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102068 --- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by David Edelsohn <dje@gcc.gnu.org>: https://gcc.gnu.org/g:5faf7120398c9bf290758891a975da1f727d631a commit r12-3178-g5faf7120398c9bf290758891a975da1f727d631a Author: David Edelsohn <dje.gcc@gmail.com> Date: Thu Aug 26 17:14:18 2021 -0400 aix: packed struct alignment [PR102068] Further fixes to structure alignment when the structure is packed and contains double. This patch checks for packed attribute at the top level. gcc/ChangeLog: PR target/102068 * config/rs6000/rs6000.c (rs6000_adjust_field_align): Use computed alignment if the entire struct has attribute packed. ^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug target/102068] [AIX] field alignment ignores packed 2021-08-25 15:58 [Bug target/102068] New: [AIX] field alignment ignores packed dje at gcc dot gnu.org 2021-08-25 15:58 ` [Bug target/102068] " dje at gcc dot gnu.org 2021-08-27 1:16 ` cvs-commit at gcc dot gnu.org @ 2021-08-27 14:13 ` dje at gcc dot gnu.org 2 siblings, 0 replies; 4+ messages in thread From: dje at gcc dot gnu.org @ 2021-08-27 14:13 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102068 David Edelsohn <dje at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED --- Comment #3 from David Edelsohn <dje at gcc dot gnu.org> --- Fixed partially. ^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2021-08-27 14:13 UTC | newest] Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2021-08-25 15:58 [Bug target/102068] New: [AIX] field alignment ignores packed dje at gcc dot gnu.org 2021-08-25 15:58 ` [Bug target/102068] " dje at gcc dot gnu.org 2021-08-27 1:16 ` cvs-commit at gcc dot gnu.org 2021-08-27 14:13 ` dje at gcc dot gnu.org
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