[Bug 22385] New: GCC 4.4.3 miscompiles GDI32 code on Intel Core i3/i5/i7 CPUs
http://bugs.winehq.org/show_bug.cgi?id=22385 Summary: GCC 4.4.3 miscompiles GDI32 code on Intel Core i3/i5/i7 CPUs Product: Wine Version: unspecified Platform: x86 OS/Version: Linux Status: UNCONFIRMED Severity: normal Priority: P2 Component: gdi32 AssignedTo: wine-bugs(a)winehq.org ReportedBy: t.artem(a)mailcity.com Created an attachment (id=27394) --> (http://bugs.winehq.org/attachment.cgi?id=27394) Miranda's dbtool.exe When wine is compiled with GCC 4.4.3 with the following compiler flags: export CFLAGS="-march=native -O2 -pipe -ftree-vectorize" on Intel Core i3/i5/i7 CPUs then some applications start crashing in gdi32 code. A sample application and a backtrace will be attached. -- Configure bugmail: http://bugs.winehq.org/userprefs.cgi?tab=email Do not reply to this email, post in Bugzilla using the above URL to reply. ------- You are receiving this mail because: ------- You are watching all bug changes.
http://bugs.winehq.org/show_bug.cgi?id=22385 --- Comment #1 from Artem S. Tashkinov <t.artem(a)mailcity.com> 2010-04-17 04:17:30 --- Created an attachment (id=27395) --> (http://bugs.winehq.org/attachment.cgi?id=27395) Backtrace -- Configure bugmail: http://bugs.winehq.org/userprefs.cgi?tab=email Do not reply to this email, post in Bugzilla using the above URL to reply. ------- You are receiving this mail because: ------- You are watching all bug changes.
http://bugs.winehq.org/show_bug.cgi?id=22385 --- Comment #2 from Artem S. Tashkinov <t.artem(a)mailcity.com> 2010-04-17 04:22:28 --- For -march=native on Intel Core CPUs GCC 4.4.3 uses the following options: -march=core2 -mcx16 -msahf -maes -mpclmul -mpopcnt -msse4.2 --param l1-cache-size=32 --param l1-cache-line-size=64 --param l2-cache-size=256 -mtune=core2 So in fact, this bug affects all Intel Core 2 and newer CPUs. -- Configure bugmail: http://bugs.winehq.org/userprefs.cgi?tab=email Do not reply to this email, post in Bugzilla using the above URL to reply. ------- You are receiving this mail because: ------- You are watching all bug changes.
http://bugs.winehq.org/show_bug.cgi?id=22385 Artem S. Tashkinov <t.artem(a)mailcity.com> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|GCC 4.4.3 miscompiles GDI32 |GCC 4.4.3 miscompiles GDI32 |code on Intel Core i3/i5/i7 |code for/on Intel Core 2 |CPUs |and newer CPUs -- Configure bugmail: http://bugs.winehq.org/userprefs.cgi?tab=email Do not reply to this email, post in Bugzilla using the above URL to reply. ------- You are receiving this mail because: ------- You are watching all bug changes.
http://bugs.winehq.org/show_bug.cgi?id=22385 Marcus Meissner <marcus(a)jet.franken.de> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |marcus(a)jet.franken.de Summary|GCC 4.4.3 miscompiles GDI32 |GDI bezier code has |code for/on Intel Core 2 |unaligned access for SSE |and newer CPUs |registers code for/on Intel | |Core 2 and newer CPUs --- Comment #3 from Marcus Meissner <marcus(a)jet.franken.de> 2010-04-17 04:37:23 --- Not a GCC Bug I think, but an unaligned access to a MMX/SSE register from Wine code. -- Configure bugmail: http://bugs.winehq.org/userprefs.cgi?tab=email Do not reply to this email, post in Bugzilla using the above URL to reply. ------- You are receiving this mail because: ------- You are watching all bug changes.
http://bugs.winehq.org/show_bug.cgi?id=22385 --- Comment #4 from Artem S. Tashkinov <t.artem(a)mailcity.com> 2010-04-17 04:44:43 --- GCC 4.2.4 resolves -march=native to "-march=nocona -mtune=generic" -- Configure bugmail: http://bugs.winehq.org/userprefs.cgi?tab=email Do not reply to this email, post in Bugzilla using the above URL to reply. ------- You are receiving this mail because: ------- You are watching all bug changes.
http://bugs.winehq.org/show_bug.cgi?id=22385 --- Comment #5 from Marcus Meissner <marcus(a)jet.franken.de> 2010-04-17 04:47:58 --- (the stack in GDI_Bezier we received is only 4 byte aligned so the stack value POINT is only 4 byte aligned and the SSE store from it then faults. Usual programs doing SSE need to be in alignment starting from main() on (only main auto aligns the stack). With Win32 code inbetween we would not be able to guarantee this alignment. So until gcc gets a stack alignment function attribute which it currently hasnt ... this can only work if you disable SSE. -- Configure bugmail: http://bugs.winehq.org/userprefs.cgi?tab=email Do not reply to this email, post in Bugzilla using the above URL to reply. ------- You are receiving this mail because: ------- You are watching all bug changes.
http://bugs.winehq.org/show_bug.cgi?id=22385 Dmitry Timoshkov <dmitry(a)codeweavers.com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Component|gdi32 |-unknown Resolution| |DUPLICATE --- Comment #6 from Dmitry Timoshkov <dmitry(a)codeweavers.com> 2010-04-17 04:53:21 --- That's a gcc bug. *** This bug has been marked as a duplicate of bug 22316 *** -- Configure bugmail: http://bugs.winehq.org/userprefs.cgi?tab=email Do not reply to this email, post in Bugzilla using the above URL to reply. ------- You are receiving this mail because: ------- You are watching all bug changes.
http://bugs.winehq.org/show_bug.cgi?id=22385 Dmitry Timoshkov <dmitry(a)codeweavers.com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |CLOSED --- Comment #7 from Dmitry Timoshkov <dmitry(a)codeweavers.com> 2010-04-17 04:54:05 --- In future please specify Wine version you are using. Closing duplicate. -- Configure bugmail: http://bugs.winehq.org/userprefs.cgi?tab=email Do not reply to this email, post in Bugzilla using the above URL to reply. ------- You are receiving this mail because: ------- You are watching all bug changes.
http://bugs.winehq.org/show_bug.cgi?id=22385 --- Comment #8 from Artem S. Tashkinov <t.artem(a)mailcity.com> 2010-04-17 05:06:07 --- I couldn't specify wine version, because I've tested last 7 Wine releases and they all have this problem. -- Configure bugmail: http://bugs.winehq.org/userprefs.cgi?tab=email Do not reply to this email, post in Bugzilla using the above URL to reply. ------- You are receiving this mail because: ------- You are watching all bug changes.
http://bugs.winehq.org/show_bug.cgi?id=22385 --- Comment #9 from Dmitry Timoshkov <dmitry(a)codeweavers.com> 2010-04-17 05:12:39 --- (In reply to comment #8)
I couldn't specify wine version, because I've tested last 7 Wine releases and they all have this problem.
At least reporting that, along with last tested version is enough. -- Configure bugmail: http://bugs.winehq.org/userprefs.cgi?tab=email Do not reply to this email, post in Bugzilla using the above URL to reply. ------- You are receiving this mail because: ------- You are watching all bug changes.
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