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From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/113459] ICE: in as_a, at machmode.h:381 with memset() on a _BitInt() at -O1 and above Date: Thu, 18 Jan 2024 09:34:21 +0000 [thread overview] Message-ID: <bug-113459-4-lqlOMIRx5h@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-113459-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113459 --- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> --- (In reply to Richard Biener from comment #2) > unsigned buflen = TREE_INT_CST_LOW (TYPE_SIZE_UNIT (vr->type)) > + 1; > if (INTEGRAL_TYPE_P (vr->type)) > buflen = GET_MODE_SIZE (SCALAR_INT_TYPE_MODE (vr->type)) + 1; > > there's other spots using the pattern > > if (INTEGRAL_TYPE_P (type)) > sz = GET_MODE_SIZE (SCALAR_INT_TYPE_MODE (type)); > > I wonder when GET_MODE_SIZE differs from TYPE_SIZE_UNIT? PSImode? I'm afraid I don't know either. > Packed bitfields? r10-6885-g5f9cd512c42786 added the INTEGRAL_TYPE_P > special-casing we now run into with the TYPE_SIZE_UNIT code being there > before. > > Jakub, do you remember? I bet the above comes from what the native_{encode,interpret}_int has been doing (and which has been tweaked for BITINT_TYPE). If we don't want to throw it away, we could just change it to if (INTEGRAL_TYPE_P (...) && TYPE_MODE (...) != BLKmode)
next prev parent reply other threads:[~2024-01-18 9:34 UTC|newest] Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top 2024-01-17 20:33 [Bug tree-optimization/113459] New: " zsojka at seznam dot cz 2024-01-18 8:14 ` [Bug tree-optimization/113459] " rguenth at gcc dot gnu.org 2024-01-18 8:20 ` rguenth at gcc dot gnu.org 2024-01-18 9:34 ` jakub at gcc dot gnu.org [this message] 2024-01-18 10:06 ` rguenther at suse dot de 2024-01-18 11:45 ` jakub at gcc dot gnu.org 2024-01-19 9:02 ` cvs-commit at gcc dot gnu.org 2024-01-19 9:05 ` jakub at gcc dot gnu.org 2024-01-20 17:07 ` pinskia at gcc dot gnu.org
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