800 	unsigned i, byte, bit_offset, align, shl, shr;  in compile_bkey_field()  local
847 	bit_offset = format->key_u64s * 64;  in compile_bkey_field()
849 		bit_offset -= format->bits_per_field[i];  in compile_bkey_field()
851 	byte = bit_offset / 8;  in compile_bkey_field()
852 	bit_offset -= byte * 8;  in compile_bkey_field()
856 	if (bit_offset == 0 && bits == 8) {  in compile_bkey_field()
859 	} else if (bit_offset == 0 && bits == 16) {  in compile_bkey_field()
862 	} else if (bit_offset + bits <= 32) {  in compile_bkey_field()
863 		align = min(4 - DIV_ROUND_UP(bit_offset + bits, 8), byte & 3);  in compile_bkey_field()
865 		bit_offset += align * 8;  in compile_bkey_field()
867 		BUG_ON(bit_offset + bits > 32);  in compile_bkey_field()
872 		if (bit_offset) {  in compile_bkey_field()
874 			I3(0xc1, 0xe8, bit_offset);  in compile_bkey_field()
877 		if (bit_offset + bits < 32) {  in compile_bkey_field()
885 	} else if (bit_offset + bits <= 64) {  in compile_bkey_field()
886 		align = min(8 - DIV_ROUND_UP(bit_offset + bits, 8), byte & 7);  in compile_bkey_field()
888 		bit_offset += align * 8;  in compile_bkey_field()
890 		BUG_ON(bit_offset + bits > 64);  in compile_bkey_field()
895 		shl = 64 - bit_offset - bits;  in compile_bkey_field()
896 		shr = bit_offset + shl;  in compile_bkey_field()
908 		align = min(4 - DIV_ROUND_UP(bit_offset + bits, 8), byte & 3);  in compile_bkey_field()
910 		bit_offset += align * 8;  in compile_bkey_field()
912 		BUG_ON(bit_offset + bits > 96);  in compile_bkey_field()
921 		shr = bit_offset + bits - 64;  in compile_bkey_field()
922 		BUG_ON(shr > bit_offset);  in compile_bkey_field()
924 		/* shr rax, bit_offset */  in compile_bkey_field()
933 		shr = bit_offset - shr;  in compile_bkey_field()