797 	unsigned i, byte, bit_offset, align, shl, shr;  in compile_bkey_field()  local
844 	bit_offset = format->key_u64s * 64;  in compile_bkey_field()
846 		bit_offset -= format->bits_per_field[i];  in compile_bkey_field()
848 	byte = bit_offset / 8;  in compile_bkey_field()
849 	bit_offset -= byte * 8;  in compile_bkey_field()
853 	if (bit_offset == 0 && bits == 8) {  in compile_bkey_field()
856 	} else if (bit_offset == 0 && bits == 16) {  in compile_bkey_field()
859 	} else if (bit_offset + bits <= 32) {  in compile_bkey_field()
860 		align = min(4 - DIV_ROUND_UP(bit_offset + bits, 8), byte & 3);  in compile_bkey_field()
862 		bit_offset += align * 8;  in compile_bkey_field()
864 		BUG_ON(bit_offset + bits > 32);  in compile_bkey_field()
869 		if (bit_offset) {  in compile_bkey_field()
871 			I3(0xc1, 0xe8, bit_offset);  in compile_bkey_field()
874 		if (bit_offset + bits < 32) {  in compile_bkey_field()
882 	} else if (bit_offset + bits <= 64) {  in compile_bkey_field()
883 		align = min(8 - DIV_ROUND_UP(bit_offset + bits, 8), byte & 7);  in compile_bkey_field()
885 		bit_offset += align * 8;  in compile_bkey_field()
887 		BUG_ON(bit_offset + bits > 64);  in compile_bkey_field()
892 		shl = 64 - bit_offset - bits;  in compile_bkey_field()
893 		shr = bit_offset + shl;  in compile_bkey_field()
905 		align = min(4 - DIV_ROUND_UP(bit_offset + bits, 8), byte & 3);  in compile_bkey_field()
907 		bit_offset += align * 8;  in compile_bkey_field()
909 		BUG_ON(bit_offset + bits > 96);  in compile_bkey_field()
918 		shr = bit_offset + bits - 64;  in compile_bkey_field()
919 		BUG_ON(shr > bit_offset);  in compile_bkey_field()
921 		/* shr rax, bit_offset */  in compile_bkey_field()
930 		shr = bit_offset - shr;  in compile_bkey_field()