[Bug c/65892] gcc fails to implement N685 aliasing of union members

2018-04-19 Thread jameskuyper at verizon dot net
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65892 --- Comment #31 from James Kuyper Jr. --- (In reply to rguent...@suse.de from comment #29) > On Thu, 19 Apr 2018, jameskuyper at verizon dot net wrote: ... > > The relevant wording is "anywhere that a declaration of the complete

[Bug c/65892] gcc fails to implement N685 aliasing of union members

2018-04-18 Thread jameskuyper at verizon dot net
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65892 James Kuyper Jr. changed: What|Removed |Added CC||jameskuyper at verizon dot net

[Bug rtl-optimization/14319] incorrect optimization of union of structs with common initial sequences

2018-04-18 Thread jameskuyper at verizon dot net
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=14319 --- Comment #12 from James Kuyper Jr. --- (In reply to Wolfgang Bangerth from comment #2) > I can't believe the wording means what you imply. Assume that caller > and callee are in different translation units, then there is no > way for the com

[Bug rtl-optimization/14319] incorrect optimization of union of structs with common initial sequences

2018-04-18 Thread jameskuyper at verizon dot net
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=14319 James Kuyper Jr. changed: What|Removed |Added CC||jameskuyper at verizon dot net

[Bug c/46926] Paired sin() cos() calls optimized to sincos() call.

2010-12-13 Thread jameskuyper at verizon dot net
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46926 --- Comment #2 from James Kuyper Jr. 2010-12-13 18:41:55 UTC --- info gcc says: Functions which would normally be built in but do not have semantics defined by ISO C (such as `alloca' and `ffs') are not built-in functions with `-ansi'

[Bug c/46926] New: Paired sin() cos() calls optimized to sincos() call.

2010-12-13 Thread jameskuyper at verizon dot net
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46926 Summary: Paired sin() cos() calls optimized to sincos() call. Product: gcc Version: 4.4.4 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c AssignedTo: u