[Bug middle-end/66462] GCC isinf/isnan/... builtins cause sNaN exceptions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66462 --- Comment #19 from Tamar Christina --- > It *was* committed (r249005). Then reverted (r249050). > reported "a > large number of new failures on AIX, including compiler ICEs". I

[Bug middle-end/66462] GCC isinf/isnan/... builtins cause sNaN exceptions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66462 --- Comment #18 from joseph at codesourcery dot com --- On Wed, 4 Sep 2019, tnfchris at gcc dot gnu.org wrote: > As far as I am aware, the final version of the patch had no regressions for > any > target, including PowerPC which I used the GCC

[Bug middle-end/66462] GCC isinf/isnan/... builtins cause sNaN exceptions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66462 --- Comment #17 from Segher Boessenkool --- (In reply to Tamar Christina from comment #16) > > Do you have a link to those problems? And no, please don't regress us for > > no > > reason at all, it's really easy to *not* regress this on

[Bug middle-end/66462] GCC isinf/isnan/... builtins cause sNaN exceptions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66462 --- Comment #16 from Tamar Christina --- > Do you have a link to those problems? And no, please don't regress us for no reason at all, it's really easy to *not* regress this on double-double. As far as I am aware, the final version of the

[Bug middle-end/66462] GCC isinf/isnan/... builtins cause sNaN exceptions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66462 --- Comment #15 from Segher Boessenkool --- (In reply to jos...@codesourcery.com from comment #13) > These functions have to be expanded inline, unconditionally; there are no > library functions they can reliably fall back on in general. Ugh,

[Bug middle-end/66462] GCC isinf/isnan/... builtins cause sNaN exceptions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66462 --- Comment #14 from Segher Boessenkool --- (In reply to Wilco from comment #12) > > but we should really handle this with some non-signaling insns, not punt > > it to libm to do. > > Well we should simply commit Tamar's patch again since it

[Bug middle-end/66462] GCC isinf/isnan/... builtins cause sNaN exceptions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66462 --- Comment #13 from joseph at codesourcery dot com --- These functions have to be expanded inline, unconditionally; there are no library functions they can reliably fall back on in general.

[Bug middle-end/66462] GCC isinf/isnan/... builtins cause sNaN exceptions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66462 --- Comment #12 from Wilco --- (In reply to Segher Boessenkool from comment #11) > I currently have > > === > diff --git a/gcc/builtins.c b/gcc/builtins.c > index ad5135c..bc3d318 100644 > --- a/gcc/builtins.c > +++ b/gcc/builtins.c > @@

[Bug middle-end/66462] GCC isinf/isnan/... builtins cause sNaN exceptions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66462 Segher Boessenkool changed: What|Removed |Added CC||segher at gcc dot gnu.org ---

[Bug middle-end/66462] GCC isinf/isnan/... builtins cause sNaN exceptions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66462 Wilco changed: What|Removed |Added CC||wilco at gcc dot gnu.org --- Comment #10 from

[Bug middle-end/66462] GCC isinf/isnan/... builtins cause sNaN exceptions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66462 Bill Sacks changed: What|Removed |Added CC||sacks at ucar dot edu --- Comment #9 from

[Bug middle-end/66462] GCC isinf/isnan/... builtins cause sNaN exceptions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66462 tnfchris at gcc dot gnu.org changed: What|Removed |Added Status|VERIFIED|REOPENED Last

[Bug middle-end/66462] GCC isinf/isnan/... builtins cause sNaN exceptions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66462 tnfchris at gcc dot gnu.org changed: What|Removed |Added Status|RESOLVED|VERIFIED --- Comment #7

[Bug middle-end/66462] GCC isinf/isnan/... builtins cause sNaN exceptions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66462 --- Comment #6 from joseph at codesourcery dot com --- I thought this was fixed only for certain floating-point formats - and even for those, not globally for all targets (not for binary128 on 32-bit targets)?

[Bug middle-end/66462] GCC isinf/isnan/... builtins cause sNaN exceptions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66462 tnfchris at gcc dot gnu.org changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED

[Bug middle-end/66462] GCC isinf/isnan/... builtins cause sNaN exceptions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66462 --- Comment #4 from tnfchris at gcc dot gnu.org --- Author: tnfchris Date: Thu Jun 8 07:38:42 2017 New Revision: 249005 URL: https://gcc.gnu.org/viewcvs?rev=249005=gcc=rev Log: 2017-06-08 Tamar Christina PR

[Bug middle-end/66462] GCC isinf/isnan/... builtins cause sNaN exceptions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66462 Andrew Pinski changed: What|Removed |Added CC||cam888eron at yahoo dot com --- Comment

[Bug middle-end/66462] GCC isinf/isnan/... builtins cause sNaN exceptions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66462 Richard Biener changed: What|Removed |Added CC||gmc at synopsys dot com --- Comment #2

[Bug middle-end/66462] GCC isinf/isnan/... builtins cause sNaN exceptions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66462 --- Comment #1 from Wilco wdijkstr at arm dot com --- Note when this is fixed, GLIBC math/math.h should be updated to enable the isinf builtins even with -fsignaling-nans.