: normal
Priority: P3
Component: rtl-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: bccheng at android dot com
I hit an ICE with GCC 4.7.2 and 4.7.3 on a function with lots of ARM NEON code.
The reduced input file is attached (I cannot seem to
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57479
--- Comment #1 from bccheng at android dot com ---
Created attachment 30232
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30232&action=edit
reduced test input
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57479
--- Comment #3 from bccheng at android dot com ---
Here is my configuration:
--target=arm-linux-androideabi --host=x86_64-linux-gnu --build=x86_64-linux-gnu
Please let me know if you need additional information.
Thanks!
ity: major
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: bccheng at android dot com
With GCC 4.8.1 we encountered a regression in linux 3.4 kernel code on ARM
devices. The problematic instruction sequence is below:
sub s
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58854
--- Comment #1 from bccheng at android dot com ---
Created attachment 31083
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=31083&action=edit
stripped from kernel 3.4 fs/dcache.c
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58854
--- Comment #6 from bccheng at android dot com ---
Patch appears to be working:
c012c7ec: e51b3034ldr r3, [fp, #-52] ; 0x34
c012c7f0: e51b203cldr r2, [fp, #-60] ; 0x3c
c012c7f4: e51b0038ldr
