* [PATCH] sna: Fix comment on GCC version check
@ 2013-02-26 14:27 Sedat Dilek
2013-02-26 14:35 ` Chris Wilson
0 siblings, 1 reply; 9+ messages in thread
From: Sedat Dilek @ 2013-02-26 14:27 UTC (permalink / raw)
To: Chris Wilson, intel-gfx; +Cc: Sedat Dilek
The comment was introduced with...
commit 528dbf9ebb2688f476ef283be59d0f2232159dcb
"sna: Fix build on older GCC for cpuid()"
...and is a bit misleading.
Signed-off-by: Sedat Dilek <sedat.dilek@gmail.com>
---
src/sna/sna_cpu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/sna/sna_cpu.c b/src/sna/sna_cpu.c
index 9110456..1097ea5 100644
--- a/src/sna/sna_cpu.c
+++ b/src/sna/sna_cpu.c
@@ -31,7 +31,7 @@
#include "sna.h"
-#if defined(__GNUC__) && (__GNUC__ >= 4) /* 4.4 */
+#if defined(__GNUC__) && (__GNUC__ >= 4) /* gcc >= v4 */
#include <cpuid.h>
--
1.8.1.4
^ permalink raw reply related [flat|nested] 9+ messages in thread
* Re: [PATCH] sna: Fix comment on GCC version check
2013-02-26 14:27 [PATCH] sna: Fix comment on GCC version check Sedat Dilek
@ 2013-02-26 14:35 ` Chris Wilson
2013-02-26 14:44 ` Sedat Dilek
0 siblings, 1 reply; 9+ messages in thread
From: Chris Wilson @ 2013-02-26 14:35 UTC (permalink / raw)
To: Sedat Dilek; +Cc: intel-gfx
On Tue, Feb 26, 2013 at 03:27:52PM +0100, Sedat Dilek wrote:
> The comment was introduced with...
>
> commit 528dbf9ebb2688f476ef283be59d0f2232159dcb
> "sna: Fix build on older GCC for cpuid()"
>
> ...and is a bit misleading.
The comment was a reminder to me as to whether I needed to check
__gnuc_minor__ for 4.4; not duplicating what was already expressed in
the code.
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [PATCH] sna: Fix comment on GCC version check
2013-02-26 14:35 ` Chris Wilson
@ 2013-02-26 14:44 ` Sedat Dilek
2013-02-27 17:37 ` Chris Wilson
0 siblings, 1 reply; 9+ messages in thread
From: Sedat Dilek @ 2013-02-26 14:44 UTC (permalink / raw)
To: Chris Wilson, Sedat Dilek, intel-gfx
On Tue, Feb 26, 2013 at 3:35 PM, Chris Wilson <chris@chris-wilson.co.uk> wrote:
> On Tue, Feb 26, 2013 at 03:27:52PM +0100, Sedat Dilek wrote:
>> The comment was introduced with...
>>
>> commit 528dbf9ebb2688f476ef283be59d0f2232159dcb
>> "sna: Fix build on older GCC for cpuid()"
>>
>> ...and is a bit misleading.
>
> The comment was a reminder to me as to whether I needed to check
> __gnuc_minor__ for 4.4; not duplicating what was already expressed in
> the code.
#if defined(__GNUC__) && (__GNUC__ >= 4) /* 4.4 */
I wanted to know what the above line means?
Check for gcc-4.4 or check for gcc-v4-compatibility?
- Sedat -
> -Chris
>
> --
> Chris Wilson, Intel Open Source Technology Centre
^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [PATCH] sna: Fix comment on GCC version check
2013-02-26 14:44 ` Sedat Dilek
@ 2013-02-27 17:37 ` Chris Wilson
2013-02-27 17:43 ` Sedat Dilek
0 siblings, 1 reply; 9+ messages in thread
From: Chris Wilson @ 2013-02-27 17:37 UTC (permalink / raw)
To: Sedat Dilek; +Cc: intel-gfx
On Tue, Feb 26, 2013 at 03:44:13PM +0100, Sedat Dilek wrote:
> On Tue, Feb 26, 2013 at 3:35 PM, Chris Wilson <chris@chris-wilson.co.uk> wrote:
> > On Tue, Feb 26, 2013 at 03:27:52PM +0100, Sedat Dilek wrote:
> >> The comment was introduced with...
> >>
> >> commit 528dbf9ebb2688f476ef283be59d0f2232159dcb
> >> "sna: Fix build on older GCC for cpuid()"
> >>
> >> ...and is a bit misleading.
> >
> > The comment was a reminder to me as to whether I needed to check
> > __gnuc_minor__ for 4.4; not duplicating what was already expressed in
> > the code.
>
>
> #if defined(__GNUC__) && (__GNUC__ >= 4) /* 4.4 */
>
> I wanted to know what the above line means?
> Check for gcc-4.4 or check for gcc-v4-compatibility?
Finally, found the information I was looking for - took ages to checkout
gcc.git. cpuid.h was first introduced in gcc-4.4
And I'll recant and fixup __cpuid to use __get_cpuid() instead.
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [PATCH] sna: Fix comment on GCC version check
2013-02-27 17:37 ` Chris Wilson
@ 2013-02-27 17:43 ` Sedat Dilek
2013-02-27 17:59 ` Sedat Dilek
0 siblings, 1 reply; 9+ messages in thread
From: Sedat Dilek @ 2013-02-27 17:43 UTC (permalink / raw)
To: Chris Wilson, Sedat Dilek, intel-gfx
On Wed, Feb 27, 2013 at 6:37 PM, Chris Wilson <chris@chris-wilson.co.uk> wrote:
> On Tue, Feb 26, 2013 at 03:44:13PM +0100, Sedat Dilek wrote:
>> On Tue, Feb 26, 2013 at 3:35 PM, Chris Wilson <chris@chris-wilson.co.uk> wrote:
>> > On Tue, Feb 26, 2013 at 03:27:52PM +0100, Sedat Dilek wrote:
>> >> The comment was introduced with...
>> >>
>> >> commit 528dbf9ebb2688f476ef283be59d0f2232159dcb
>> >> "sna: Fix build on older GCC for cpuid()"
>> >>
>> >> ...and is a bit misleading.
>> >
>> > The comment was a reminder to me as to whether I needed to check
>> > __gnuc_minor__ for 4.4; not duplicating what was already expressed in
>> > the code.
>>
>>
>> #if defined(__GNUC__) && (__GNUC__ >= 4) /* 4.4 */
>>
>> I wanted to know what the above line means?
>> Check for gcc-4.4 or check for gcc-v4-compatibility?
>
> Finally, found the information I was looking for - took ages to checkout
> gcc.git. cpuid.h was first introduced in gcc-4.4
>
> And I'll recant and fixup __cpuid to use __get_cpuid() instead.
Thanks for taking a look into gcc sources.
Be glad the GNU folk uses Git besides CVS... The subject-line and
changelog from binutils/gcc/etc, is still strange to me.
Cloning is slow, unfortunately. I keep tarballs of all my cloned local
GIT repositories.
- Sedat -
> -Chris
>
> --
> Chris Wilson, Intel Open Source Technology Centre
^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [PATCH] sna: Fix comment on GCC version check
2013-02-27 17:43 ` Sedat Dilek
@ 2013-02-27 17:59 ` Sedat Dilek
2013-02-27 22:27 ` Chris Wilson
0 siblings, 1 reply; 9+ messages in thread
From: Sedat Dilek @ 2013-02-27 17:59 UTC (permalink / raw)
To: Chris Wilson, Sedat Dilek, intel-gfx
[-- Attachment #1: Type: text/plain, Size: 1625 bytes --]
On Wed, Feb 27, 2013 at 6:43 PM, Sedat Dilek <sedat.dilek@gmail.com> wrote:
> On Wed, Feb 27, 2013 at 6:37 PM, Chris Wilson <chris@chris-wilson.co.uk> wrote:
>> On Tue, Feb 26, 2013 at 03:44:13PM +0100, Sedat Dilek wrote:
>>> On Tue, Feb 26, 2013 at 3:35 PM, Chris Wilson <chris@chris-wilson.co.uk> wrote:
>>> > On Tue, Feb 26, 2013 at 03:27:52PM +0100, Sedat Dilek wrote:
>>> >> The comment was introduced with...
>>> >>
>>> >> commit 528dbf9ebb2688f476ef283be59d0f2232159dcb
>>> >> "sna: Fix build on older GCC for cpuid()"
>>> >>
>>> >> ...and is a bit misleading.
>>> >
>>> > The comment was a reminder to me as to whether I needed to check
>>> > __gnuc_minor__ for 4.4; not duplicating what was already expressed in
>>> > the code.
>>>
>>>
>>> #if defined(__GNUC__) && (__GNUC__ >= 4) /* 4.4 */
>>>
>>> I wanted to know what the above line means?
>>> Check for gcc-4.4 or check for gcc-v4-compatibility?
>>
>> Finally, found the information I was looking for - took ages to checkout
>> gcc.git. cpuid.h was first introduced in gcc-4.4
>>
>> And I'll recant and fixup __cpuid to use __get_cpuid() instead.
>
> Thanks for taking a look into gcc sources.
>
> Be glad the GNU folk uses Git besides CVS... The subject-line and
> changelog from binutils/gcc/etc, is still strange to me.
> Cloning is slow, unfortunately. I keep tarballs of all my cloned local
> GIT repositories.
>
> - Sedat -
>
>> -Chris
>>
>> --
>> Chris Wilson, Intel Open Source Technology Centre
/o\ ... Latest GIT is like ice-cream.
How can I compare a gcc-4.6 and clang-3.2 compiled binaries?
Thinking of miscompiling and/or benchmarking.
- Sedat -
[-- Attachment #2: build-and-install-log_XF86-Video-Intel-v2-21-3+git20130227-f08ad3f.txt --]
[-- Type: text/plain, Size: 43817 bytes --]
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config.status: creating src/sna/Makefile
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make all-recursive
make[1]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git'
Making all in man
make[2]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/man'
GEN intel.4
make[2]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/man'
Making all in uxa
make[2]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/uxa'
CC uxa.lo
CC uxa-render.lo
CC uxa-glyphs.lo
CC uxa-accel.lo
uxa-render.c:930:9: warning: implicit conversion from enumeration type 'enum _PictFormatShort' to different enumeration type 'pixman_format_code_t' [-Wenum-conversion]
PICT_a8r8g8b8,
^~~~~~~~~~~~~
uxa-render.c:944:9: warning: implicit conversion from enumeration type 'enum _PictFormatShort' to different enumeration type 'pixman_format_code_t' [-Wenum-conversion]
PICT_a8,
^~~~~~~
uxa-accel.c:959:10: warning: variable 'region' is uninitialized when used here [-Wuninitialized]
return region;
^~~~~~
uxa-accel.c:947:19: note: initialize the variable 'region' to silence this warning
RegionPtr region;
^
= NULL
CC uxa-unaccel.lo
1 warning generated.
2 warnings generated.
CCLD libuxa.la
make[2]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/uxa'
Making all in src
make[2]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src'
Making all in xvmc
make[3]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/xvmc'
Making all in shader
make[4]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/xvmc/shader'
Making all in mc
make[5]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/xvmc/shader/mc'
make all-am
make[6]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/xvmc/shader/mc'
make[6]: Nothing to be done for `all-am'.
make[6]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/xvmc/shader/mc'
make[5]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/xvmc/shader/mc'
Making all in vld
make[5]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/xvmc/shader/vld'
make all-am
make[6]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/xvmc/shader/vld'
make[6]: Nothing to be done for `all-am'.
make[6]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/xvmc/shader/vld'
make[5]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/xvmc/shader/vld'
make[5]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/xvmc/shader'
make[5]: Nothing to be done for `all-am'.
make[5]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/xvmc/shader'
make[4]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/xvmc/shader'
make[4]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/xvmc'
make[4]: Nothing to be done for `all-am'.
make[4]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/xvmc'
make[3]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/xvmc'
Making all in render_program
make[3]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/render_program'
make all-am
make[4]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/render_program'
make[4]: Nothing to be done for `all-am'.
make[4]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/render_program'
make[3]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/render_program'
Making all in legacy
make[3]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/legacy'
Making all in i810
make[4]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/legacy/i810'
Making all in xvmc
make[5]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/legacy/i810/xvmc'
make[5]: Nothing to be done for `all'.
make[5]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/legacy/i810/xvmc'
make[5]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/legacy/i810'
CC i810_accel.lo
CC i810_cursor.lo
CC i810_driver.lo
CC i810_memory.lo
CC i810_video.lo
CC i810_wmark.lo
CC i810_xaa.lo
CC i810_dga.lo
CCLD liblegacy-i810.la
make[5]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/legacy/i810'
make[4]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/legacy/i810'
make[4]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/legacy'
CCLD liblegacy.la
make[4]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/legacy'
make[3]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/legacy'
Making all in sna
make[3]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/sna'
Making all in brw
make[4]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/sna/brw'
CC brw_disasm.lo
CC brw_eu_emit.lo
CC brw_eu.lo
CC brw_sf.lo
CC brw_wm.lo
CC brw_test.o
CC brw_test_gen4.o
CC brw_test_gen5.o
CC brw_test_gen6.o
CC brw_test_gen7.o
CCLD libbrw.la
CCLD brw_test
make[4]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/sna/brw'
Making all in fb
make[4]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/sna/fb'
CC libfb_la-fbarc.lo
CC libfb_la-fbbitmap.lo
CC libfb_la-fbblt.lo
CC libfb_la-fbbltone.lo
CC libfb_la-fbclip.lo
CC libfb_la-fbcopy.lo
CC libfb_la-fbfill.lo
CC libfb_la-fbgc.lo
CC libfb_la-fbglyph.lo
CC libfb_la-fbimage.lo
CC libfb_la-fbline.lo
CC libfb_la-fbpict.lo
CC libfb_la-fbpoint.lo
CC libfb_la-fbpush.lo
CC libfb_la-fbseg.lo
CC libfb_la-fbspan.lo
CC libfb_la-fbstipple.lo
CC libfb_la-fbtile.lo
CC libfb_la-fbutil.lo
CCLD libfb.la
make[4]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/sna/fb'
make[4]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/sna'
CC blt.lo
CC kgem.lo
CC sna_accel.lo
CC sna_blt.lo
CC sna_composite.lo
CC sna_cpu.lo
kgem.c:1676:22: warning: variable 'bo' is uninitialized when used here [-Wuninitialized]
list_for_each_entry(bo, &kgem->snoop, list) {
^~
/usr/include/xorg/list.h:297:45: note: expanded from macro 'list_for_each_entry'
for (pos = __container_of((head)->next, pos, member); \
^
/usr/include/xorg/list.h:278:20: note: expanded from macro '__container_of'
- ((char *)&(sample)->member - (char *)(sample)))
^
kgem.c:1661:20: note: initialize the variable 'bo' to silence this warning
struct kgem_bo *bo, *first = NULL;
^
= NULL
kgem.c:1866:27: warning: variable 'bo' is uninitialized when used here [-Wuninitialized]
list_for_each_entry_safe(bo, next, &kgem->flushing, request) {
^~
/usr/include/xorg/list.h:309:45: note: expanded from macro 'list_for_each_entry_safe'
for (pos = __container_of((head)->next, pos, member), \
^
/usr/include/xorg/list.h:278:20: note: expanded from macro '__container_of'
- ((char *)&(sample)->member - (char *)(sample)))
^
kgem.c:1863:20: note: initialize the variable 'bo' to silence this warning
struct kgem_bo *bo, *next;
^
= NULL
kgem.c:2070:27: warning: variable 'bo' is uninitialized when used here [-Wuninitialized]
list_for_each_entry_safe(bo, next, &rq->buffers, request) {
^~
/usr/include/xorg/list.h:309:45: note: expanded from macro 'list_for_each_entry_safe'
for (pos = __container_of((head)->next, pos, member), \
^
/usr/include/xorg/list.h:278:20: note: expanded from macro '__container_of'
- ((char *)&(sample)->member - (char *)(sample)))
^
kgem.c:2068:20: note: initialize the variable 'bo' to silence this warning
struct kgem_bo *bo, *next;
^
= NULL
kgem.c:2151:27: warning: variable 'bo' is uninitialized when used here [-Wuninitialized]
list_for_each_entry_safe(bo, next, &kgem->batch_buffers, base.list) {
^~
/usr/include/xorg/list.h:309:45: note: expanded from macro 'list_for_each_entry_safe'
for (pos = __container_of((head)->next, pos, member), \
^
/usr/include/xorg/list.h:278:20: note: expanded from macro '__container_of'
- ((char *)&(sample)->member - (char *)(sample)))
^
kgem.c:2149:24: note: initialize the variable 'bo' to silence this warning
struct kgem_buffer *bo, *next;
^
= NULL
kgem.c:3048:23: warning: variable 'bo' is uninitialized when used here [-Wuninitialized]
list_for_each_entry(bo, cache, vma) {
^~
/usr/include/xorg/list.h:297:45: note: expanded from macro 'list_for_each_entry'
for (pos = __container_of((head)->next, pos, member); \
^
/usr/include/xorg/list.h:278:20: note: expanded from macro '__container_of'
- ((char *)&(sample)->member - (char *)(sample)))
^
kgem.c:2958:20: note: initialize the variable 'bo' to silence this warning
struct kgem_bo *bo, *first = NULL;
^
= NULL
kgem.c:3542:31: warning: variable 'bo' is uninitialized when used here [-Wuninitialized]
list_for_each_entry_reverse(bo, &kgem->scanout, list) {
^~
../../src/intel_list.h:396:45: note: expanded from macro 'list_for_each_entry_reverse'
for (pos = __container_of((head)->prev, pos, member); \
^
/usr/include/xorg/list.h:278:20: note: expanded from macro '__container_of'
- ((char *)&(sample)->member - (char *)(sample)))
^
kgem.c:3516:20: note: initialize the variable 'bo' to silence this warning
struct kgem_bo *bo;
^
= NULL
kgem.c:4831:22: warning: variable 'bo' is uninitialized when used here [-Wuninitialized]
list_for_each_entry(bo, buffers, request) {
^~
/usr/include/xorg/list.h:297:45: note: expanded from macro 'list_for_each_entry'
for (pos = __container_of((head)->next, pos, member); \
^
/usr/include/xorg/list.h:278:20: note: expanded from macro '__container_of'
- ((char *)&(sample)->member - (char *)(sample)))
^
kgem.c:4829:20: note: initialize the variable 'bo' to silence this warning
struct kgem_bo *bo;
^
= NULL
kgem.c:5081:22: warning: variable 'bo' is uninitialized when used here [-Wuninitialized]
list_for_each_entry(bo, &kgem->batch_buffers, base.list) {
^~
/usr/include/xorg/list.h:297:45: note: expanded from macro 'list_for_each_entry'
for (pos = __container_of((head)->next, pos, member); \
^
/usr/include/xorg/list.h:278:20: note: expanded from macro '__container_of'
- ((char *)&(sample)->member - (char *)(sample)))
^
kgem.c:5067:24: note: initialize the variable 'bo' to silence this warning
struct kgem_buffer *bo;
^
= NULL
CC sna_damage.lo
8 warnings generated.
CC sna_display.lo
Recording git-tree used for compilation: 2.21.3-45-gf08ad3f
CC sna_glyphs.lo
sna_damage.c:421:22: warning: variable 'iter' is uninitialized when used here [-Wuninitialized]
list_for_each_entry(iter, &damage->embedded_box.list, list)
^~~~
/usr/include/xorg/list.h:297:45: note: expanded from macro 'list_for_each_entry'
for (pos = __container_of((head)->next, pos, member); \
^
/usr/include/xorg/list.h:278:20: note: expanded from macro '__container_of'
- ((char *)&(sample)->member - (char *)(sample)))
^
sna_damage.c:413:29: note: initialize the variable 'iter' to silence this warning
struct sna_damage_box *iter;
^
= NULL
sna_damage.c:1681:22: warning: variable 'iter' is uninitialized when used here [-Wuninitialized]
list_for_each_entry(iter, &damage->embedded_box.list, list)
^~~~
/usr/include/xorg/list.h:297:45: note: expanded from macro 'list_for_each_entry'
for (pos = __container_of((head)->next, pos, member); \
^
/usr/include/xorg/list.h:278:20: note: expanded from macro '__container_of'
- ((char *)&(sample)->member - (char *)(sample)))
^
sna_damage.c:1674:29: note: initialize the variable 'iter' to silence this warning
struct sna_damage_box *iter;
^
= NULL
2 warnings generated.
CC sna_gradient.lo
CC sna_io.lo
CC sna_render.lo
CC sna_stream.lo
CC sna_trapezoids.lo
sna_render.c:1603:43: warning: implicit conversion from enumeration type 'PictFormatShort' (aka 'enum _PictFormatShort') to different enumeration type 'pixman_format_code_t' [-Wenum-conversion]
dst = pixman_image_create_bits(picture->format, w, h, NULL, 0);
~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~^~~~~~
sna_render.c:1790:43: warning: implicit conversion from enumeration type 'PictFormatShort' (aka 'enum _PictFormatShort') to different enumeration type 'pixman_format_code_t' [-Wenum-conversion]
src = pixman_image_create_bits(picture->format,
~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~^~~~~~
CC sna_tiling.lo
CC sna_transform.lo
2 warnings generated.
CC sna_threads.lo
sna_trapezoids.c:6877:44: warning: implicit conversion from enumeration type 'PictFormatShort' (aka 'enum _PictFormatShort') to different enumeration type 'pixman_format_code_t' [-Wenum-conversion]
image = pixman_image_create_bits(picture->format, width, height,
~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~^~~~~~
CC sna_vertex.lo
CC sna_video.lo
CC sna_video_overlay.lo
1 warning generated.
CC sna_video_sprite.lo
CC sna_video_textured.lo
CC gen2_render.lo
CC gen3_render.lo
CC gen4_source.lo
CC gen4_render.lo
CC gen4_vertex.lo
CC gen5_render.lo
CC gen6_render.lo
CC gen7_render.lo
CC sna_dri.lo
CC sna_driver.lo
sna_dri.c:2018:6: warning: variable 'pipe' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized]
if (get_private(front)->pixmap != get_drawable_pixmap(draw))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sna_dri.c:2150:42: note: uninitialized use occurs here
DRI2SwapComplete(client, draw, 0, 0, 0, pipe, func, data);
^~~~
sna_dri.c:2018:2: note: remove the 'if' if its condition is always false
if (get_private(front)->pixmap != get_drawable_pixmap(draw))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sna_dri.c:1992:10: note: initialize the variable 'pipe' to silence this warning
int pipe;
^
= 0
1 warning generated.
CCLD libsna.la
make[4]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/sna'
make[3]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/sna'
make[3]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src'
CC intel_options.lo
CC intel_module.lo
CC intel_batchbuffer.lo
CC intel_display.lo
CC intel_driver.lo
intel_module.c:350:16: warning: assigning to 'char *' from 'const char *' discards qualifiers [-Wincompatible-pointer-types]
scrn->chipset = name;
^ ~~~~
intel_module.c:363:6: warning: passing 'const SymTabRec [86]' to parameter of type 'SymTabPtr' (aka 'struct _SymTabRec *') discards qualifiers [-Wincompatible-pointer-types]
intel_chipsets);
^~~~~~~~~~~~~~
/usr/include/xorg/xf86.h:240:20: note: passing argument to parameter 'chips' here
SymTabPtr chips);
^
2 warnings generated.
CC intel_memory.lo
intel_batchbuffer.c:146:22: warning: variable 'priv' is uninitialized when used here [-Wuninitialized]
list_for_each_entry(priv, &intel->batch_pixmaps, batch)
^~~~
/usr/include/xorg/list.h:297:45: note: expanded from macro 'list_for_each_entry'
for (pos = __container_of((head)->next, pos, member); \
^
/usr/include/xorg/list.h:278:20: note: expanded from macro '__container_of'
- ((char *)&(sample)->member - (char *)(sample)))
^
intel_batchbuffer.c:144:27: note: initialize the variable 'priv' to silence this warning
struct intel_pixmap *priv;
^
= NULL
1 warning generated.
CC intel_uxa.lo
intel_display.c:1698:22: warning: variable 'iterator' is uninitialized when used here [-Wuninitialized]
list_for_each_entry(iterator, &mode->outputs, link)
^~~~~~~~
/usr/include/xorg/list.h:297:45: note: expanded from macro 'list_for_each_entry'
for (pos = __container_of((head)->next, pos, member); \
^
/usr/include/xorg/list.h:278:20: note: expanded from macro '__container_of'
- ((char *)&(sample)->member - (char *)(sample)))
^
intel_display.c:1695:31: note: initialize the variable 'iterator' to silence this warning
struct intel_output *iterator;
^
= NULL
1 warning generated.
CC intel_video.lo
CC i830_3d.lo
CC i830_render.lo
CC i915_3d.lo
CC i915_render.lo
CC i915_video.lo
CC i965_3d.lo
CC i965_video.lo
CC i965_render.lo
CC intel_dri.lo
intel_dri.c:865:28: warning: declaration shadows a local variable [-Wshadow]
I830DRI2BufferPrivatePtr priv;
^
intel_dri.c:843:27: note: previous declaration is here
I830DRI2BufferPrivatePtr priv = info->back->driverPrivate;
^
intel_dri.c:1532:6: warning: declaration shadows a variable in the global scope [-Wshadow]
int dri2_major = 1;
^
/usr/include/xorg/dri2.h:49:14: note: previous declaration is here
extern CARD8 dri2_major; /* version of DRI2 supported by DDX */
^
intel_dri.c:1533:6: warning: declaration shadows a variable in the global scope [-Wshadow]
int dri2_minor = 0;
^
/usr/include/xorg/dri2.h:50:14: note: previous declaration is here
extern CARD8 dri2_minor;
^
3 warnings generated.
CCLD intel_drv.la
make[3]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src'
make[2]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src'
Making all in test
make[2]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/test'
CC test_display.lo
CC test_image.lo
CC test_render.lo
CC test_log.lo
test_log.c:12:19: warning: format string is not a string literal [-Wformat-nonliteral]
vfprintf(stderr, fmt, va);
^~~
test_log.c:8:1: warning: function 'die' could be declared with attribute 'noreturn' [-Wmissing-noreturn]
{
^
2 warnings generated.
CC dri2.lo
CC lowlevel-blt-bench.o
CCLD libtest.la
CCLD lowlevel-blt-bench
make[2]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/test'
make[2]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git'
make[2]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git'
make[1]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git'
Making install in man
make[1]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/man'
make[2]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/man'
make[2]: Nothing to be done for `install-exec-am'.
test -z "/opt/xorg/share/man/man4" || /bin/mkdir -p "/opt/xorg/share/man/man4"
/usr/bin/install -c -m 644 intel.4 '/opt/xorg/share/man/man4'
make[2]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/man'
make[1]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/man'
Making install in uxa
make[1]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/uxa'
make[2]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/uxa'
make[2]: Nothing to be done for `install-exec-am'.
make[2]: Nothing to be done for `install-data-am'.
make[2]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/uxa'
make[1]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/uxa'
Making install in src
make[1]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src'
Making install in xvmc
make[2]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/xvmc'
Making install in shader
make[3]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/xvmc/shader'
Making install in mc
make[4]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/xvmc/shader/mc'
make install-am
make[5]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/xvmc/shader/mc'
make[6]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/xvmc/shader/mc'
make[6]: Nothing to be done for `install-exec-am'.
make[6]: Nothing to be done for `install-data-am'.
make[6]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/xvmc/shader/mc'
make[5]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/xvmc/shader/mc'
make[4]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/xvmc/shader/mc'
Making install in vld
make[4]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/xvmc/shader/vld'
make install-am
make[5]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/xvmc/shader/vld'
make[6]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/xvmc/shader/vld'
make[6]: Nothing to be done for `install-exec-am'.
make[6]: Nothing to be done for `install-data-am'.
make[6]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/xvmc/shader/vld'
make[5]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/xvmc/shader/vld'
make[4]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/xvmc/shader/vld'
make[4]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/xvmc/shader'
make[5]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/xvmc/shader'
make[5]: Nothing to be done for `install-exec-am'.
make[5]: Nothing to be done for `install-data-am'.
make[5]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/xvmc/shader'
make[4]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/xvmc/shader'
make[3]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/xvmc/shader'
make[3]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/xvmc'
make[4]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/xvmc'
test -z "/opt/xorg/lib" || /bin/mkdir -p "/opt/xorg/lib"
make[4]: Nothing to be done for `install-data-am'.
make[4]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/xvmc'
make[3]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/xvmc'
make[2]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/xvmc'
Making install in render_program
make[2]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/render_program'
make install-am
make[3]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/render_program'
make[4]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/render_program'
make[4]: Nothing to be done for `install-exec-am'.
make[4]: Nothing to be done for `install-data-am'.
make[4]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/render_program'
make[3]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/render_program'
make[2]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/render_program'
Making install in legacy
make[2]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/legacy'
Making install in i810
make[3]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/legacy/i810'
Making install in xvmc
make[4]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/legacy/i810/xvmc'
make[5]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/legacy/i810/xvmc'
test -z "/opt/xorg/lib" || /bin/mkdir -p "/opt/xorg/lib"
make[5]: Nothing to be done for `install-data-am'.
make[5]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/legacy/i810/xvmc'
make[4]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/legacy/i810/xvmc'
make[4]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/legacy/i810'
make[5]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/legacy/i810'
make[5]: Nothing to be done for `install-exec-am'.
make[5]: Nothing to be done for `install-data-am'.
make[5]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/legacy/i810'
make[4]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/legacy/i810'
make[3]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/legacy/i810'
make[3]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/legacy'
make[4]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/legacy'
make[4]: Nothing to be done for `install-exec-am'.
make[4]: Nothing to be done for `install-data-am'.
make[4]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/legacy'
make[3]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/legacy'
make[2]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/legacy'
Making install in sna
make[2]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/sna'
Making install in brw
make[3]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/sna/brw'
make[4]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/sna/brw'
make[4]: Nothing to be done for `install-exec-am'.
make[4]: Nothing to be done for `install-data-am'.
make[4]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/sna/brw'
make[3]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/sna/brw'
Making install in fb
make[3]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/sna/fb'
make[4]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/sna/fb'
make[4]: Nothing to be done for `install-exec-am'.
make[4]: Nothing to be done for `install-data-am'.
make[4]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/sna/fb'
make[3]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/sna/fb'
make[3]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/sna'
make[4]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/sna'
make[4]: Nothing to be done for `install-exec-am'.
make[4]: Nothing to be done for `install-data-am'.
make[4]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/sna'
make[3]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/sna'
make[2]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src/sna'
make[2]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src'
make[3]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src'
make[3]: Nothing to be done for `install-exec-am'.
test -z "/opt/xorg/lib/xorg/modules/drivers" || /bin/mkdir -p "/opt/xorg/lib/xorg/modules/drivers"
/bin/bash ../libtool --mode=install /usr/bin/install -c intel_drv.la '/opt/xorg/lib/xorg/modules/drivers'
libtool: install: /usr/bin/install -c .libs/intel_drv.so /opt/xorg/lib/xorg/modules/drivers/intel_drv.so
libtool: install: /usr/bin/install -c .libs/intel_drv.lai /opt/xorg/lib/xorg/modules/drivers/intel_drv.la
libtool: finish: PATH="/opt/llvm/bin:/opt/llvm/bin:/opt/xorg/bin:/opt/llvm/bin:/usr/lib/lightdm/lightdm:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/sbin" ldconfig -n /opt/xorg/lib/xorg/modules/drivers
----------------------------------------------------------------------
Libraries have been installed in:
/opt/xorg/lib/xorg/modules/drivers
If you ever happen to want to link against installed libraries
in a given directory, LIBDIR, you must either use libtool, and
specify the full pathname of the library, or use the `-LLIBDIR'
flag during linking and do at least one of the following:
- add LIBDIR to the `LD_LIBRARY_PATH' environment variable
during execution
- add LIBDIR to the `LD_RUN_PATH' environment variable
during linking
- use the `-Wl,-rpath -Wl,LIBDIR' linker flag
- have your system administrator add LIBDIR to `/etc/ld.so.conf'
See any operating system documentation about shared libraries for
more information, such as the ld(1) and ld.so(8) manual pages.
----------------------------------------------------------------------
make[3]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src'
make[2]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src'
make[1]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/src'
Making install in test
make[1]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/test'
make[2]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/test'
make[2]: Nothing to be done for `install-exec-am'.
make[2]: Nothing to be done for `install-data-am'.
make[2]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/test'
make[1]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git/test'
make[1]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git'
make[2]: Entering directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git'
make[2]: Nothing to be done for `install-exec-am'.
make[2]: Nothing to be done for `install-data-am'.
make[2]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git'
make[1]: Leaving directory `/home/wearefam/src/xserver-xorg-video-intel/xf86-video-intel-git'
libdrm_intel.so.1 => /opt/xorg/lib/libdrm_intel.so.1 (0x00007fca1d3a3000)
libdrm.so.2 => /opt/xorg/lib/libdrm.so.2 (0x00007fca1d192000)
[-- Attachment #3: Type: text/plain, Size: 159 bytes --]
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [PATCH] sna: Fix comment on GCC version check
2013-02-27 17:59 ` Sedat Dilek
@ 2013-02-27 22:27 ` Chris Wilson
2013-02-27 23:33 ` Sedat Dilek
0 siblings, 1 reply; 9+ messages in thread
From: Chris Wilson @ 2013-02-27 22:27 UTC (permalink / raw)
To: Sedat Dilek; +Cc: intel-gfx
On Wed, Feb 27, 2013 at 06:59:58PM +0100, Sedat Dilek wrote:
> How can I compare a gcc-4.6 and clang-3.2 compiled binaries?
> Thinking of miscompiling and/or benchmarking.
The real test is whether you can measure a difference in a benchmark
like cairo-perf-trace. There are a few traces that are sensitive to CPU
optimisations.
To maximise the likelihood of spotting a difference though you will want
to use microbenchmarks like x11perf, x11perf -aa10text would be a prime
candidate.
The last set of errors reported when compiled with Clang were during
trapezoid rasterisation triggered whilst using normal Gtk+ and Qt apps.
They have a tendency to hit all the corner cases.
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [PATCH] sna: Fix comment on GCC version check
2013-02-27 22:27 ` Chris Wilson
@ 2013-02-27 23:33 ` Sedat Dilek
0 siblings, 0 replies; 9+ messages in thread
From: Sedat Dilek @ 2013-02-27 23:33 UTC (permalink / raw)
To: Chris Wilson, Sedat Dilek, intel-gfx
[-- Attachment #1: Type: text/plain, Size: 921 bytes --]
On Wed, Feb 27, 2013 at 11:27 PM, Chris Wilson <chris@chris-wilson.co.uk> wrote:
> On Wed, Feb 27, 2013 at 06:59:58PM +0100, Sedat Dilek wrote:
>> How can I compare a gcc-4.6 and clang-3.2 compiled binaries?
>> Thinking of miscompiling and/or benchmarking.
>
> The real test is whether you can measure a difference in a benchmark
> like cairo-perf-trace. There are a few traces that are sensitive to CPU
> optimisations.
>
> To maximise the likelihood of spotting a difference though you will want
> to use microbenchmarks like x11perf, x11perf -aa10text would be a prime
> candidate.
>
> The last set of errors reported when compiled with Clang were during
> trapezoid rasterisation triggered whilst using normal Gtk+ and Qt apps.
> They have a tendency to hit all the corner cases.
> -Chris
>
> --
> Chris Wilson, Intel Open Source Technology Centre
Attached 'x11perf -aa10text' with clang-3.2 and gcc-4.6.
- Sedat .
[-- Attachment #2: x11perf-aa10text_clang-3-2.txt --]
[-- Type: text/plain, Size: 719 bytes --]
$ x11perf -aa10text
x11perf - X11 performance program, version 1.2
The X.Org Foundation server version 11103000 on :0
from fambox
Thu Feb 28 00:25:23 2013
Sync time adjustment is 0.0446 msecs.
6400000 reps @ 0.0008 msec (1240000.0/sec): Char in 80-char aa line (Charter 10)
6400000 reps @ 0.0008 msec (1240000.0/sec): Char in 80-char aa line (Charter 10)
6400000 reps @ 0.0008 msec (1240000.0/sec): Char in 80-char aa line (Charter 10)
6400000 reps @ 0.0008 msec (1240000.0/sec): Char in 80-char aa line (Charter 10)
6400000 reps @ 0.0008 msec (1240000.0/sec): Char in 80-char aa line (Charter 10)
32000000 trep @ 0.0008 msec (1240000.0/sec): Char in 80-char aa line (Charter 10)
-dileks // 28-Feb-2013
[-- Attachment #3: x11perf-aa10text_gcc-4-6.txt --]
[-- Type: text/plain, Size: 724 bytes --]
$ x11perf -aa10text
x11perf - X11 performance program, version 1.2
The X.Org Foundation server version 11103000 on :1
from fambox
Thu Feb 28 00:29:02 2013
Sync time adjustment is 0.0390 msecs.
16000000 reps @ 0.0005 msec (2110000.0/sec): Char in 80-char aa line (Charter 10)
16000000 reps @ 0.0005 msec (2120000.0/sec): Char in 80-char aa line (Charter 10)
16000000 reps @ 0.0005 msec (2110000.0/sec): Char in 80-char aa line (Charter 10)
16000000 reps @ 0.0005 msec (2010000.0/sec): Char in 80-char aa line (Charter 10)
16000000 reps @ 0.0005 msec (2050000.0/sec): Char in 80-char aa line (Charter 10)
80000000 trep @ 0.0005 msec (2080000.0/sec): Char in 80-char aa line (Charter 10)
-dileks // 28-Feb-2013
[-- Attachment #4: Type: text/plain, Size: 159 bytes --]
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply [flat|nested] 9+ messages in thread
* [PATCH] sna: Fix comment on GCC version check
@ 2013-02-26 14:33 Sedat Dilek
0 siblings, 0 replies; 9+ messages in thread
From: Sedat Dilek @ 2013-02-26 14:33 UTC (permalink / raw)
To: Chris Wilson, intel-gfx; +Cc: Sedat Dilek
The comment was introduced with...
commit 528dbf9ebb2688f476ef283be59d0f2232159dcb
"sna: Fix build on older GCC for cpuid()"
...and is a bit misleading.
[ v2: Point to compatibility with gcc-v4 (e.g. clang) ]
Signed-off-by: Sedat Dilek <sedat.dilek@gmail.com>
---
src/sna/sna_cpu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/sna/sna_cpu.c b/src/sna/sna_cpu.c
index 9110456..3ee4be0 100644
--- a/src/sna/sna_cpu.c
+++ b/src/sna/sna_cpu.c
@@ -31,7 +31,7 @@
#include "sna.h"
-#if defined(__GNUC__) && (__GNUC__ >= 4) /* 4.4 */
+#if defined(__GNUC__) && (__GNUC__ >= 4) /* compiler compatible with gcc-v4 */
#include <cpuid.h>
--
1.8.1.4
^ permalink raw reply related [flat|nested] 9+ messages in thread
end of thread, other threads:[~2013-02-27 23:33 UTC | newest]
Thread overview: 9+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2013-02-26 14:27 [PATCH] sna: Fix comment on GCC version check Sedat Dilek
2013-02-26 14:35 ` Chris Wilson
2013-02-26 14:44 ` Sedat Dilek
2013-02-27 17:37 ` Chris Wilson
2013-02-27 17:43 ` Sedat Dilek
2013-02-27 17:59 ` Sedat Dilek
2013-02-27 22:27 ` Chris Wilson
2013-02-27 23:33 ` Sedat Dilek
2013-02-26 14:33 Sedat Dilek
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