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From: "ubizjak at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/110311] [14 Regression] regression in tree-optimizer
Date: Fri, 30 Jun 2023 19:47:54 +0000 [thread overview]
Message-ID: <bug-110311-4-RZ3jQxgKaa@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-110311-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110311
--- Comment #39 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to anlauf from comment #36)
> Breakpoint 2, rng_stream.rng_stream_s::mmm_mod (x1=330289839997,
> x2=4294967087) at rng_stream_sub.f90:336
> 336 res = mod (x1, x2)
> (gdb) info float
> R7: Valid 0x401be51fb57800000000 +480507567
> R6: Valid 0x401be51fb57800000000 +480507567
> R5: Zero 0x00000000000000000000 +0
> R4: Zero 0x00000000000000000000 +0
> R3: Zero 0x00000000000000000000 +0
> R2: Zero 0x00000000000000000000 +0
> R1: Zero 0x00000000000000000000 +0
> =>R0: Special 0xffff0000000004f5dc90 Unsupported
Here is the problem. FPREM chokes on invalid input in R0.
[1] Says that IA (invalid arithmetic) exception is generated for unsupported
format, and this is what happened above:
#IA Source operand is an SNaN value, modulus is 0, dividend is ∞, or
unsupported format.
[1] https://www.felixcloutier.com/x86/fprem
next prev parent reply other threads:[~2023-06-30 19:47 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-19 12:45 [Bug fortran/110311] New: [gfortran 14.0 regression] juergen.reuter at desy dot de
2023-06-20 6:29 ` [Bug fortran/110311] " juergen.reuter at desy dot de
2023-06-20 7:48 ` juergen.reuter at desy dot de
2023-06-20 8:08 ` [Bug fortran/110311] [14 Regression] gfortran 14.0 regression rguenth at gcc dot gnu.org
2023-06-20 10:13 ` juergen.reuter at desy dot de
2023-06-20 17:35 ` anlauf at gcc dot gnu.org
2023-06-20 17:38 ` juergen.reuter at desy dot de
2023-06-21 6:43 ` manolis.tsamis at vrull dot eu
2023-06-21 12:53 ` juergen.reuter at desy dot de
2023-06-21 23:37 ` pinskia at gcc dot gnu.org
2023-06-22 11:48 ` juergen.reuter at desy dot de
2023-06-22 11:54 ` [Bug fortran/110311] [14 Regression] regression in tree-optimizer juergen.reuter at desy dot de
2023-06-23 22:01 ` juergen.reuter at desy dot de
2023-06-23 23:23 ` juergen.reuter at desy dot de
2023-06-24 9:21 ` [Bug tree-optimization/110311] " juergen.reuter at desy dot de
2023-06-24 10:33 ` juergen.reuter at desy dot de
2023-06-24 11:47 ` anlauf at gcc dot gnu.org
2023-06-24 13:04 ` juergen.reuter at desy dot de
2023-06-24 13:09 ` juergen.reuter at desy dot de
2023-06-24 13:41 ` anlauf at gcc dot gnu.org
2023-06-24 13:43 ` juergen.reuter at desy dot de
2023-06-24 13:46 ` anlauf at gcc dot gnu.org
2023-06-24 18:21 ` anlauf at gcc dot gnu.org
2023-06-24 18:54 ` juergen.reuter at desy dot de
2023-06-24 19:16 ` anlauf at gcc dot gnu.org
2023-06-29 14:39 ` juergen.reuter at desy dot de
2023-06-29 17:29 ` anlauf at gcc dot gnu.org
2023-06-29 17:47 ` juergen.reuter at desy dot de
2023-06-29 18:59 ` anlauf at gcc dot gnu.org
2023-06-29 19:33 ` anlauf at gcc dot gnu.org
2023-06-29 19:35 ` juergen.reuter at desy dot de
2023-06-29 20:07 ` anlauf at gcc dot gnu.org
2023-06-30 17:45 ` anlauf at gcc dot gnu.org
2023-06-30 17:50 ` jakub at gcc dot gnu.org
2023-06-30 18:32 ` anlauf at gcc dot gnu.org
2023-06-30 18:57 ` anlauf at gcc dot gnu.org
2023-06-30 19:25 ` ubizjak at gmail dot com
2023-06-30 19:30 ` anlauf at gcc dot gnu.org
2023-06-30 19:32 ` anlauf at gcc dot gnu.org
2023-06-30 19:46 ` juergen.reuter at desy dot de
2023-06-30 19:47 ` ubizjak at gmail dot com [this message]
2023-06-30 20:19 ` anlauf at gcc dot gnu.org
2023-06-30 21:09 ` jakub at gcc dot gnu.org
2023-06-30 21:48 ` juergen.reuter at desy dot de
2023-07-01 7:55 ` anlauf at gcc dot gnu.org
2023-07-01 8:09 ` juergen.reuter at desy dot de
2023-07-06 19:40 ` juergen.reuter at desy dot de
2023-07-06 19:44 ` juergen.reuter at desy dot de
2023-07-06 21:18 ` anlauf at gcc dot gnu.org
2023-07-06 21:38 ` anlauf at gcc dot gnu.org
2023-07-07 12:44 ` juergen.reuter at desy dot de
2023-08-09 9:02 ` juergen.reuter at desy dot de
2023-08-09 9:24 ` jakub at gcc dot gnu.org
2023-08-25 21:17 ` juergen.reuter at desy dot de
2023-08-25 21:18 ` juergen.reuter at desy dot de
2023-08-25 21:23 ` juergen.reuter at desy dot de
2023-08-30 12:34 ` juergen.reuter at desy dot de
2023-09-22 14:56 ` juergen.reuter at desy dot de
2023-10-17 11:07 ` rguenth at gcc dot gnu.org
2024-03-27 13:41 ` rguenth at gcc dot gnu.org
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