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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/64821] [AArch64] Improve target folding for vsqrt_f64 intrinsic Date: Mon, 10 Jan 2022 07:35:40 +0000 [thread overview] Message-ID: <bug-64821-4-jCm81wd3Or@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-64821-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64821 --- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> --- One more testcase where we get folding now: /* { dg-do compile } */ /* { dg-options "-O2 -fdump-tree-optimized" } */ /* { dg-final { scan-tree-dump-times ".SQRT" 0 "optimized" } } */ /* { dg-final { scan-tree-dump-times "2.0" 1 "optimized" } } */ /* { dg-final { scan-assembler-times "fsqrt" 0 } } */ /* We should produce a fmov to d0 with 2.0 but currently don't, see PR 103959. */ /* { dg-final { scan-assembler-times "\n\tfmov\td0, 2.0e.0" 1 { xfail *-*-* } } } */ #include <arm_neon.h> float64x1_t f64(void) { float64x1_t a = (float64x1_t){4.0}; return vsqrt_f64 (a); }
next prev parent reply other threads:[~2022-01-10 7:35 UTC|newest] Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-01-27 9:43 [Bug target/64821] New: " ktkachov at gcc dot gnu.org 2015-02-16 0:42 ` [Bug target/64821] " pinskia at gcc dot gnu.org 2022-01-10 1:05 ` pinskia at gcc dot gnu.org 2022-01-10 1:19 ` pinskia at gcc dot gnu.org 2022-01-10 7:15 ` pinskia at gcc dot gnu.org 2022-01-10 7:35 ` pinskia at gcc dot gnu.org [this message] 2022-01-10 7:53 ` pinskia at gcc dot gnu.org 2022-01-10 11:35 ` pinskia at gcc dot gnu.org 2022-01-23 22:18 ` cvs-commit at gcc dot gnu.org 2022-01-23 22:19 ` pinskia at gcc dot gnu.org
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