On 03/09/2012 04:20 PM, Aurelien Buhrig wrote: > I'm not used to work at tree level for now and it is unclear for me what > part of the code should be tweaked. Can you tell me which part of the > code you are fixing/looking at, so that I can have a better > understanding of ptr_mode vs Pmode before your fix?
I'm thinking the bitfield code in expmed.c (extract_bit_field_1 etc.) needs a subreg_offset_representable_p check, followed by looking for the next larger integer mode if that fails. Then, if necessary, cast the result back to the original mode in case of extraction. Bernd
