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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug target/99437] [11 Regression] Error: immediate value out of range 1 to 8 at operand 3 -- `shrn v1.8b,v1.8h,15' Date: Sun, 07 Mar 2021 00:29:06 +0000 [thread overview] Message-ID: <bug-99437-4-kLtoM5OMG1@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-99437-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99437 Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Last reconfirmed| |2021-03-07 Ever confirmed|0 |1 Status|UNCONFIRMED |NEW --- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Trying 144, 146 -> 148: 144: r159:V8HI=r165:V8HI 0>>const_vector REG_DEAD r165:V8HI 146: r155:V8QI=trunc(r159:V8HI) REG_DEAD r159:V8HI 148: r153:V16QI=vec_concat(r155:V8QI,const_vector) REG_DEAD r155:V8QI Successfully matched this instruction: (set (reg:V16QI 153 [ _101 ]) (vec_concat:V16QI (truncate:V8QI (lshiftrt:V8HI (reg:V8HI 165 [ _113 ]) (const_vector:V8HI [ (const_int 15 [0xf]) repeated x8 ]))) (const_vector:V8QI [ (const_int 0 [0]) repeated x8 ]))) I have not reduced it yet but the above shows where the problem is introduced inside combine. I think the constrants/predicates for aarch64_shrnv8hi_insn_le on the const_vect (shift) are incorrect.
next prev parent reply other threads:[~2021-03-07 0:29 UTC|newest] Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-03-06 23:09 [Bug target/99437] New: " raj.khem at gmail dot com 2021-03-06 23:13 ` [Bug target/99437] " raj.khem at gmail dot com 2021-03-07 0:07 ` [Bug target/99437] [11 Regression] " pinskia at gcc dot gnu.org 2021-03-07 0:29 ` pinskia at gcc dot gnu.org [this message] 2021-03-07 14:04 ` ktkachov at gcc dot gnu.org 2021-03-08 15:06 ` cvs-commit at gcc dot gnu.org 2021-03-08 18:57 ` raj.khem at gmail dot com
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