------- Comment #5 from hjl dot tools at gmail dot com 2008-08-04 05:52 -------
It is the problem with -mno-accumulate-outgoing-args:
bash-3.2$ /export/build/gnu/gcc-avx/build-x86_64-linux/gcc/xgcc
-B/export/build/gnu/gcc-avx/build-x86_64-linux/gcc/ -m32 -msse2 -DDEBUG
-mno-accumulate-outgoing-args -mpreferred-stack-boundary=2 y.c -o y
bash-3.2$ ./y
Segmentation fault
bash-3.2$ /export/build/gnu/gcc-avx/build-x86_64-linux/gcc/xgcc
-B/export/build/gnu/gcc-avx/build-x86_64-linux/gcc/ -m32 -msse2 -DDEBUG
-mpreferred-stack-boundary=2 y.c -o y
bash-3.2$ ./y
bash-3.2$
--
hjl dot tools at gmail dot com changed:
What |Removed |Added
----------------------------------------------------------------------------
URL|http://gcc.gnu.org/ml/gcc- |
|patches/2008- |
|08/msg00123.html |
Summary|-Os passes __m128 on stack |-mno-accumulate-outgoing-
|with wrong alignment |args doesn't work with stack
| |alignment
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37010
