[Bug middle-end/67912] [6 Regression] ICE in gen_lowpart_common, at emit-rtl.c:1399

[aoliva at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67912

--- Comment #5 from Alexandre Oliva <aoliva at gcc dot gnu.org> ---
Author: aoliva
Date: Tue Oct 13 16:34:29 2015
New Revision: 228774

URL: https://gcc.gnu.org/viewcvs?rev=228774&root=gcc&view=rev
Log:
support BLKmode inputs for store_bit_field

Revision 228586 changed useless_type_conversion_p and added mode
changes for MEM:BLKmode inputs in store_expr_with_bounds, but it
missed store_bit_field.  This caused ada/rts/s-regpat.ads to fail
compilation on x86_64-linux-gnu.

for  gcc/ChangeLog

        PR middle-end/67912
        * expmed.c (store_bit_field_1): Adjust mode of BLKmode inputs.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/expmed.c