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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/114513] [11/12/13/14 Regression] [aarch64] floating-point registers are used when GPRs are preferred Date: Thu, 28 Mar 2024 21:55:36 +0000 [thread overview] Message-ID: <bug-114513-4-A1FUVOyvv0@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-114513-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114513 Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Known to work| |8.5.0 Status|UNCONFIRMED |NEW Known to fail| |9.3.0 Target Milestone|--- |11.5 Ever confirmed|0 |1 Summary|[aarch64] floating-point |[11/12/13/14 Regression] |registers are used when |[aarch64] floating-point |GPRs are preferred |registers are used when | |GPRs are preferred Last reconfirmed| |2024-03-28 --- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- So we have: ``` ;; Equal width integer to fp conversion. (define_insn "<optab><fcvt_target><GPF:mode>2" [(set (match_operand:GPF 0 "register_operand") (FLOATUORS:GPF (match_operand:<FCVT_TARGET> 1 "register_operand")))] "TARGET_FLOAT" {@ [ cons: =0 , 1 ; attrs: type , arch ] [ w , w ; neon_int_to_fp_<Vetype> , simd ] <su_optab>cvtf\t%<GPF:s>0, %<s>1 [ w , ?r ; f_cvti2f , fp ] <su_optab>cvtf\t%<GPF:s>0, %<w1>1 } ) ``` Notice the ? in there for r. Reading https://gcc.gnu.org/onlinedocs/gccint/Multi-Alternative.html maybe this should be ^ instead of ?. ^ is new as of GCC 5
next prev parent reply other threads:[~2024-03-28 21:55 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2024-03-28 9:10 [Bug rtl-optimization/114513] New: " dizhao at os dot amperecomputing.com 2024-03-28 9:17 ` [Bug rtl-optimization/114513] " dizhao at os dot amperecomputing.com 2024-03-28 21:55 ` pinskia at gcc dot gnu.org [this message] 2024-03-28 22:01 ` [Bug target/114513] [11/12/13/14 Regression] " pinskia at gcc dot gnu.org 2024-03-29 23:47 ` law at gcc dot gnu.org 2024-04-18 10:51 ` tnfchris at gcc dot gnu.org
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