http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59343
Bug ID: 59343
Summary: miscompiled for loop in sh4 target (-Os)
Product: gcc
Version: 4.8.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: gcc-bugzilla-f5d8 at theblacksun dot eu
Created attachment 31327
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=31327&action=edit
miscompilation testcase
The attached testcase miscompiles on sh4 target if build with -Os
$ sh4-unknown-linux-gnu-g++ -Wall -Wextra -o for_loop_miscompile_O2 -O2
for_loop_miscompile.cpp
$ sh4-unknown-linux-gnu-g++ -Wall -Wextra -o for_loop_miscompile_Os -Os
for_loop_miscompile.cpp
target $ ./for_loop_miscompile_O2
teststring = 0x411068
teststring = 0x411068
target $ ./for_loop_miscompile_Os
teststring = 0x411068
teststring = 0x1
