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From: "msebor at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug testsuite/63175] [4.9/5 regression] FAIL: gcc.dg/vect/costmodel/ppc/costmodel-bb-slp-9a.c scan-tree-dump-times slp2" basic block vectorized using SLP" 1 Date: Mon, 02 Mar 2015 16:58:00 -0000 [thread overview] Message-ID: <bug-63175-4-Q4aXhZtxhO@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-63175-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63175 --- Comment #20 from Martin Sebor <msebor at gcc dot gnu.org> --- (In reply to rguenther@suse.de from comment #19) Please remove the extern from the first test and try again (it's a vestige of the second test). Here's the assembly emitted by 4.8.3 for the first test (without the extern): $ cat u.c && gcc -DT="int" -O2 -ftree-vectorize -maltivec -S u.c && cat u.s const T a [] = { 1, 2, 3, 4, 5 }; T b[sizeof a / sizeof *a]; void g (void) { const T *p = a; T *q = b + 1; *q++ = *p++; *q++ = *p++; *q++ = *p++; *q++ = *p++; } .file "u.c" .section ".toc","aw" .section ".text" .section ".toc","aw" .LC0: .quad b .section ".text" .align 2 .p2align 4,,15 .globl g .section ".opd","aw" .align 3 g: .quad .L.g,.TOC.@tocbase .previous .type g, @function .L.g: addis 9,2,.LC1@toc@ha addis 10,2,.LC0@toc@ha addi 9,9,.LC1@toc@l lxvw4x 32,0,9 ld 9,.LC0@toc@l(10) li 10,4 stxvw4x 32,9,10 blr .long 0 .byte 0,0,0,0,0,0,0,0 .size g,.-.L.g .comm b,20,4 .globl a .section .rodata .align 4 .type a, @object .size a, 20 a: .long 1 .long 2 .long 3 .long 4 .long 5 .section .rodata.cst16,"aM",@progbits,16 .align 4 .LC1: .4byte 1 .4byte 2 .4byte 3 .4byte 4 .ident "GCC: (GNU) 4.8.3 20140911 (Red Hat 4.8.3-9)" .section .note.GNU-stack,"",@progbits
next prev parent reply other threads:[~2015-03-02 16:58 UTC|newest] Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top [not found] <bug-63175-4@http.gcc.gnu.org/bugzilla/> 2014-09-05 8:47 ` rguenth at gcc dot gnu.org 2014-10-30 10:42 ` jakub at gcc dot gnu.org 2014-11-24 13:16 ` rguenth at gcc dot gnu.org 2015-02-21 20:07 ` msebor at gcc dot gnu.org 2015-02-22 20:38 ` macro@linux-mips.org 2015-02-24 6:56 ` msebor at gcc dot gnu.org 2015-02-25 20:45 ` msebor at gcc dot gnu.org 2015-02-26 10:19 ` rguenth at gcc dot gnu.org 2015-02-26 10:56 ` rguenth at gcc dot gnu.org 2015-02-27 9:18 ` rguenth at gcc dot gnu.org 2015-02-27 9:49 ` rguenth at gcc dot gnu.org 2015-02-27 11:23 ` rguenth at gcc dot gnu.org 2015-02-27 11:24 ` rguenth at gcc dot gnu.org 2015-02-28 9:26 ` msebor at gcc dot gnu.org 2015-03-02 14:14 ` rguenth at gcc dot gnu.org 2015-03-02 14:24 ` rguenth at gcc dot gnu.org 2015-03-02 16:24 ` msebor at gcc dot gnu.org 2015-03-02 16:48 ` rguenther at suse dot de 2015-03-02 16:50 ` rguenther at suse dot de 2015-03-02 16:58 ` msebor at gcc dot gnu.org [this message] 2015-03-02 17:47 ` rguenther at suse dot de 2015-03-02 18:13 ` msebor at gcc dot gnu.org 2015-03-02 18:23 ` rguenther at suse dot de 2015-03-03 5:10 ` msebor at gcc dot gnu.org 2015-03-03 9:21 ` rguenther at suse dot de 2015-03-03 9:42 ` rguenth at gcc dot gnu.org 2015-03-03 15:05 ` dje at gcc dot gnu.org 2015-03-03 16:19 ` wschmidt at gcc dot gnu.org 2015-03-03 16:22 ` wschmidt at gcc dot gnu.org 2015-03-04 1:15 ` msebor at gcc dot gnu.org 2015-03-04 9:17 ` rguenth at gcc dot gnu.org 2015-03-04 13:42 ` dje at gcc dot gnu.org 2015-03-04 13:55 ` rguenther at suse dot de 2015-03-06 18:44 ` msebor at gcc dot gnu.org 2015-03-07 16:19 ` [Bug testsuite/63175] [4.9 " law at redhat dot com 2015-03-10 21:07 ` msebor at gcc dot gnu.org 2015-03-11 10:09 ` rguenth at gcc dot gnu.org 2015-03-23 18:58 ` msebor at gcc dot gnu.org 2015-05-29 16:49 ` wschmidt at gcc dot gnu.org
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