From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 101484] [regression, bisected] Steam fails to render content, if mesa is compiled with -O2 -march=haswell Date: Wed, 26 Jul 2017 19:30:35 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1106683667==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id 71C7F6E898 for ; Wed, 26 Jul 2017 19:30:35 +0000 (UTC) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org --===============1106683667== Content-Type: multipart/alternative; boundary="15010974352.8DaB60e2d.13494"; charset="UTF-8" --15010974352.8DaB60e2d.13494 Date: Wed, 26 Jul 2017 19:30:35 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated https://bugs.freedesktop.org/show_bug.cgi?id=3D101484 --- Comment #14 from LoneVVolf --- (In reply to Gregor M=C3=BCnch from comment #5) > Ive tested this now, and again its a compiler flags issue. > Arch standard clfags are: > CFLAGS=3D"-march=3Dnative -O2 -pipe -fstack-protector-strong" >=20 for clarity, default on archlinux is NOT -march=3Dnative . The current pacman version is 5.0.2-2 and it has these defaults : # ARCHITECTURE, COMPILE FLAGS ######################################################################### # CARCH=3D"x86_64" CHOST=3D"x86_64-pc-linux-gnu" #-- Compiler and Linker Flags # -march (or -mcpu) builds exclusively for an architecture # -mtune optimizes for an architecture, but builds for whole processor fami= ly CPPFLAGS=3D"-D_FORTIFY_SOURCE=3D2" CFLAGS=3D"-march=3Dx86-64 -mtune=3Dgeneric -O2 -pipe -fstack-protector-stro= ng -fno-plt" CXXFLAGS=3D"-march=3Dx86-64 -mtune=3Dgeneric -O2 -pipe -fstack-protector-st= rong -fno-plt" LDFLAGS=3D"-Wl,-O1,--sort-common,--as-needed,-z,relro,-z,now" #-- Make Flags: change this for DistCC/SMP systems #MAKEFLAGS=3D"-j2" #-- Debugging flags DEBUG_CFLAGS=3D"-g -fvar-tracking-assignments" DEBUG_CXXFLAGS=3D"-g -fvar-tracking-assignments" -------------------------------------------------- --=20 You are receiving this mail because: You are the assignee for the bug.= --15010974352.8DaB60e2d.13494 Date: Wed, 26 Jul 2017 19:30:35 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated

Comme= nt # 14 on bug 10148= 4 from = LoneVVolf 
(In reply to Gregor M=C3=BCnch from comment #5)
> Ive tested this now, and again its a compiler fl=
ags issue.
> Arch standard clfags are:
> CFLAGS=3D"-march=3Dnative -O2 -pipe -fstack-protector-strong"
> 

for clarity, default on archlinux is NOT -march=3Dnative .

The current pacman version is 5.0.2-2 and it has these defaults :

# ARCHITECTURE, COMPILE FLAGS
#########################################################################
#
CARCH=3D"x86_64"
CHOST=3D"x86_64-pc-linux-gnu"

#-- Compiler and Linker Flags
# -march (or -mcpu) builds exclusively for an architecture
# -mtune optimizes for an architecture, but builds for whole processor fami=
ly
CPPFLAGS=3D"-D_FORTIFY_SOURCE=3D2"
CFLAGS=3D"-march=3Dx86-64 -mtune=3Dgeneric -O2 -pipe -fstack-protector=
-strong
-fno-plt"
CXXFLAGS=3D"-march=3Dx86-64 -mtune=3Dgeneric -O2 -pipe -fstack-protect=
or-strong
-fno-plt"
LDFLAGS=3D"-Wl,-O1,--sort-common,--as-needed,-z,relro,-z,now"
#-- Make Flags: change this for DistCC/SMP systems
#MAKEFLAGS=3D"-j2"
#-- Debugging flags
DEBUG_CFLAGS=3D"-g -fvar-tracking-assignments"
DEBUG_CXXFLAGS=3D"-g -fvar-tracking-assignments"

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