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From: "liuhongt at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/98856] [12/13/14/15 Regression] botan AES-128/XTS is slower by ~17% since r11-6649-g285fa338b06b804e72997c4d876ecf08a9c083af Date: Wed, 24 Jul 2024 05:32:49 +0000 [thread overview] Message-ID: <bug-98856-4-8Ku6cYh5iX@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-98856-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98856 Hongtao Liu <liuhongt at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |liuhongt at gcc dot gnu.org --- Comment #47 from Hongtao Liu <liuhongt at gcc dot gnu.org> --- Created attachment 58746 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=58746&action=edit Accoate v2di with GPR The attached patch can allocated V2DI with GPR to avoid spill. poly_double_le2: .LFB0: .cfi_startproc movq %rdi, %rdx movq 8(%rsi), %rdi movq (%rsi), %rsi movq %rdi, %rax movq %rsi, %rcx vmovq %rsi, %xmm4 sarq $63, %rax shrq $63, %rcx vpinsrq $1, %rdi, %xmm4, %xmm3 andl $135, %eax vpsllq $1, %xmm3, %xmm1 vmovq %rax, %xmm2 vpinsrq $1, %rcx, %xmm2, %xmm0 vpxor %xmm1, %xmm0, %xmm0 vmovdqu %xmm0, (%rdx) ret .cfi_endproc But when there's (subreg:V (reg:TI 0)) for other vector modes, the issue could be still there.
next prev parent reply other threads:[~2024-07-24 5:32 UTC|newest] Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-01-27 14:28 [Bug tree-optimization/98856] New: [11 " marxin at gcc dot gnu.org 2021-01-27 14:29 ` [Bug tree-optimization/98856] " marxin at gcc dot gnu.org 2021-01-27 14:44 ` rguenth at gcc dot gnu.org 2021-01-28 7:47 ` rguenth at gcc dot gnu.org 2021-01-28 8:44 ` marxin at gcc dot gnu.org 2021-01-28 9:40 ` rguenth at gcc dot gnu.org 2021-01-28 11:03 ` rguenth at gcc dot gnu.org 2021-01-28 11:19 ` rguenth at gcc dot gnu.org 2021-01-28 11:57 ` rguenth at gcc dot gnu.org 2021-02-05 10:18 ` rguenth at gcc dot gnu.org 2021-02-05 11:52 ` jakub at gcc dot gnu.org 2021-02-05 12:52 ` rguenth at gcc dot gnu.org 2021-02-05 13:43 ` jakub at gcc dot gnu.org 2021-02-05 14:36 ` jakub at gcc dot gnu.org 2021-02-05 16:29 ` jakub at gcc dot gnu.org 2021-02-05 17:55 ` jakub at gcc dot gnu.org 2021-02-05 19:48 ` jakub at gcc dot gnu.org 2021-02-08 15:14 ` jakub at gcc dot gnu.org 2021-03-04 12:14 ` rguenth at gcc dot gnu.org 2021-03-04 15:36 ` rguenth at gcc dot gnu.org 2021-03-04 16:12 ` rguenth at gcc dot gnu.org 2021-03-04 17:56 ` ubizjak at gmail dot com 2021-03-04 18:12 ` ubizjak at gmail dot com 2021-03-05 7:44 ` rguenth at gcc dot gnu.org 2021-03-05 7:46 ` rguenth at gcc dot gnu.org 2021-03-05 8:29 ` ubizjak at gmail dot com 2021-03-05 10:04 ` rguenther at suse dot de 2021-03-05 10:43 ` rguenth at gcc dot gnu.org 2021-03-05 11:56 ` ubizjak at gmail dot com 2021-03-05 12:25 ` ubizjak at gmail dot com 2021-03-05 12:27 ` rguenth at gcc dot gnu.org 2021-03-05 12:49 ` jakub at gcc dot gnu.org 2021-03-05 12:52 ` ubizjak at gmail dot com 2021-03-05 12:55 ` rguenther at suse dot de 2021-03-05 13:06 ` rguenth at gcc dot gnu.org 2021-03-05 13:08 ` ubizjak at gmail dot com 2021-03-05 14:35 ` rguenth at gcc dot gnu.org 2021-03-08 10:41 ` rguenth at gcc dot gnu.org 2021-03-08 13:20 ` rguenth at gcc dot gnu.org 2021-03-08 15:46 ` amonakov at gcc dot gnu.org 2021-04-27 11:40 ` [Bug tree-optimization/98856] [11/12 " jakub at gcc dot gnu.org 2021-05-13 10:17 ` cvs-commit at gcc dot gnu.org 2021-07-28 7:05 ` rguenth at gcc dot gnu.org 2022-01-21 13:20 ` rguenth at gcc dot gnu.org 2022-04-21 7:48 ` rguenth at gcc dot gnu.org 2023-04-17 21:43 ` [Bug tree-optimization/98856] [11/12/13/14 " lukebenes at hotmail dot com 2023-04-18 9:07 ` rguenth at gcc dot gnu.org 2023-05-29 10:04 ` jakub at gcc dot gnu.org 2024-07-19 13:10 ` [Bug tree-optimization/98856] [12/13/14/15 " rguenth at gcc dot gnu.org 2024-07-24 5:32 ` liuhongt at gcc dot gnu.org [this message] 2024-07-24 5:48 ` liuhongt at gcc dot gnu.org
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