[Bug middle-end/51893] Wrong subword index computation in store_bit_field_1 on BIG_ENDIAN targets

[aurelien.buhrig.gcc at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51893

--- Comment #4 from Aurelien Buhrig <aurelien.buhrig.gcc at gmail dot com> 2012-01-20 09:00:38 UTC ---
After modifying this patch for 4.6.1 this patch doesn't work (bitfld-3.c
testcase).

It doesn't affect the value subword offset computation (wordnum) when calling
operand_subword_force.