Please try 2013.11 release:
http://releases.linaro.org/13.11/components/toolchain/binaries
** Changed in: gcc-linaro
Status: In Progress = Fix Released
** Changed in: linaro-toolchain-binaries
Status: Confirmed = Fix Released
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Patch is committed in trunk. Will backport the Linaro gcc.
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https://bugs.launchpad.net/bugs/1243022
Title:
function with stack arrays corrupts saved registers on stack
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Patch is sent out for review.
** Changed in: gcc-linaro
Status: New = In Progress
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https://bugs.launchpad.net/bugs/1243022
Title:
function with stack arrays corrupts saved
I had confirmed with 2013.06 release configured by --enable-languages=c,c++
--with-arch=armv7-a --with-float=hard --with-fpu=vfpv3-d16 --with-mode=thumb on
Chrome book.
The root cause is the same as pr57637.
The failed functions is gtk_css_style_property_register.
** Changed in: gcc-linaro
The unrecognizable insn is a tail call. In 2013.05 release, it matches
sibcall_value_insn. But in 2013.06 release, it can not match it.
Recently there were some changes for tail call. 2013.06 release might
merge some of the changes.
Please try FSF trunk, if it also fails, please submit a bug
I have no environment to reproduce it.
Would you please try option -fno-shrink-wrap? If it works, the root
cause maybe the same as
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57637. In this case, would
you please try the update patch at pr57637? If it still fails (without
-fno-shrink-wrap
Created attachment 28512
gdb backtrace
Root cause:
PRE bases on the result of value numbering (run_scc_vn). At the end, it
free_scc_vn. But before free_scc_vn, it might call cleanup_tree_cfg ();
if (do_eh_cleanup || do_ab_cleanup)
cleanup_tree_cfg ();
cleanup_tree_cfg might call
** Changed in: gcc-linaro
Status: Confirmed = In Progress
** Changed in: gcc-linaro
Importance: Undecided = Medium
** Changed in: gcc-linaro
Assignee: (unassigned) = Matthew Gretton-Dann (matthew-gretton-dann)
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Fix had committed to trunk:
URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=192609
And FSF 4.7:
URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=192610
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** Changed in: gcc-linaro
Status: Confirmed = Triaged
** Changed in: gcc-linaro
Importance: Undecided = Medium
** Changed in: gcc-linaro
Assignee: (unassigned) = Zhenqiang Chen (zhenqiang-chen)
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Thank you for the bug report. I've confirmed this with gcc-
linaro-4.7-2012.09 on ARM:
arm-linux-gnueabihf-gcc -c -g cluster.ii
cluster.cc: In member function ‘bool rpc::node::set_role(rpc::role_type)’:
cluster.cc:88:1: error: unrecognizable insn:
(insn 16 15 17 3 (parallel [
(set
Thank you for the bug report. I've confirmed this with gcc-
linaro-4.7-2012.10 on ARM:
g++ -c [-g] -O[123] myserver.ii
myserver.C: In static member function ‘static bool
myServer::eventloop(myServer::Callback*)’:
myserver.C:168:6: internal compiler error: Segmentation fault
Please submit a full
Thank you for the bug report. I can not reproduce it with gcc-
linaro-4.7-2012.[09|10] on ARM.
Could you provide the following information so that we can reproduce the fault?
* Which linaro gcc version did you use?
* How it was configured?
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** Changed in: gcc-linaro
Status: New = Confirmed
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https://bugs.launchpad.net/bugs/1065559
Title:
[regression] cone ftbfs on armel/armhf using GCC 4.7
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Thank you for the bug report. I've confirmed this with gcc-
linaro-4.6-2012.08 and gcc-linaro-4.7-2012.08 on ARM:
./arm-linux-gnueabi-g++ -Wall t.cc
t.cc:3:32: warning: missing braces around initializer for ‘char [0]’
[-Wmissing-braces]
t.cc:3:32: warning: missing braces around initializer for
Thank you for the bug report. I can not reproduce this with gcc-
linaro-4.6-2012.08 and gcc-linaro-4.7-2012.08 on ARM.
** Changed in: gcc-linaro
Status: New = Incomplete
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Thank you for the bug report. I've confirmed this with gcc-
linaro-4.6-2012.08 on ARM:
./arm-linux-gnueabi-g++ -g --static -W -Wall -Wextra -std=c++0x -pedantic
-pedantic-errors -ofast -ftree-vectorize -fno-exceptions -fno-rtti -ffast-math
-flto -funsafe-loop-optimizations
Reproduce this with FSF gcc-4.6.3.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51432 records the issue.
c++0x is experimental in 4.6 and mildly less experimental in 4.7.
For this case, you can workaround it with no -std=c++0x or -flto.
I've set it to low priority as it uses experimental
Created attachment 6435
failed case
Assembler fail.
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https://bugs.launchpad.net/bugs/947111
Title:
-march bug when building kernel
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The attached case is from kernel. We still get fail:
head2.s: Assembler messages:
head2.s:60: Error: selected processor does not support requested special
purpose register -- `mrs r2,cpsr'
head2.s:67: Error: selected processor does not support requested special
purpose register -- `mrs r2,cpsr'
Here is a reference patch based on your previous one.
Both function do_t_mrs and do_t_msr need update.
diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c
index 6ff64a6..7f69ffa 100644
--- a/gas/config/tc-arm.c
+++ b/gas/config/tc-arm.c
@@ -11201,8 +11201,14 @@ do_t_mrs (void)
int
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