--- Comment #9 from dje at gcc dot gnu dot org 2008-01-22 15:59 ---
GCC does not use the load and store multiple instructions because the source
file declares r29 a global variable:
register volatile gd_t *gd asm ("r29");
The bug fix mentioned above inhibits GCC from using lmw/stmw if
--- Comment #8 from sposelenov at emcraft dot com 2008-01-22 10:55 ---
(In reply to comment #7)
> First, please stop changing the categorization of this bug.
>
Sorry.
> The patch which changed this behavior is
>
> http://gcc.gnu.org/ml/gcc-patches/2005-06/msg00276.html
>
Thanks.
>
--- Comment #7 from dje at gcc dot gnu dot org 2008-01-21 16:37 ---
First, please stop changing the categorization of this bug.
The patch which changed this behavior is
http://gcc.gnu.org/ml/gcc-patches/2005-06/msg00276.html
--
dje at gcc dot gnu dot org changed:
What
--- Comment #5 from dje at gcc dot gnu dot org 2008-01-21 15:54 ---
The "regression" is due to a wrong-code bug fix. To reduce the code size, the
prologue and epilogue need to emit lwm/stwm for two ranges of registers, which
does not correspond to a standard PowerPC ABI.
--
dje at g
