acpi/acpica/utmath.c

23 	struct uint64_struct part;
62 	ACPI_MUL_64_BY_32(0, multiplicand_ovl.part.hi, multiplier,
63 			  product.part.hi, carry32);
65 	ACPI_MUL_64_BY_32(0, multiplicand_ovl.part.lo, multiplier,
66 			  product.part.lo, carry32);
68 	product.part.hi += carry32;
100 		operand_ovl.part.hi = operand_ovl.part.lo;
101 		operand_ovl.part.lo = 0;
104 	ACPI_SHIFT_LEFT_64_BY_32(operand_ovl.part.hi,
105 				 operand_ovl.part.lo, count);
137 		operand_ovl.part.lo = operand_ovl.part.hi;
138 		operand_ovl.part.hi = 0;
141 	ACPI_SHIFT_RIGHT_64_BY_32(operand_ovl.part.hi,
142 				  operand_ovl.part.lo, count);
278 	ACPI_DIV_64_BY_32(0, dividend_ovl.part.hi, divisor,
279 			  quotient.part.hi, remainder32);
281 	ACPI_DIV_64_BY_32(remainder32, dividend_ovl.part.lo, divisor,
282 			  quotient.part.lo, remainder32);
336 	if (divisor.part.hi == 0) {
341 		remainder.part.hi = 0;
347 		ACPI_DIV_64_BY_32(0, dividend.part.hi, divisor.part.lo,
348 				  quotient.part.hi, partial1);
350 		ACPI_DIV_64_BY_32(partial1, dividend.part.lo, divisor.part.lo,
351 				  quotient.part.lo, remainder.part.lo);
359 		quotient.part.hi = 0;
366 			ACPI_SHIFT_RIGHT_64(normalized_divisor.part.hi,
367 					    normalized_divisor.part.lo);
368 			ACPI_SHIFT_RIGHT_64(normalized_dividend.part.hi,
369 					    normalized_dividend.part.lo);
371 		} while (normalized_divisor.part.hi != 0);
375 		ACPI_DIV_64_BY_32(normalized_dividend.part.hi,
376 				  normalized_dividend.part.lo,
377 				  normalized_divisor.part.lo, quotient.part.lo,
384 		partial1 = quotient.part.lo * divisor.part.hi;
385 		partial2.full = (u64) quotient.part.lo * divisor.part.lo;
386 		partial3.full = (u64) partial2.part.hi + partial1;
388 		remainder.part.hi = partial3.part.lo;
389 		remainder.part.lo = partial2.part.lo;
391 		if (partial3.part.hi == 0) {
392 			if (partial3.part.lo >= dividend.part.hi) {
393 				if (partial3.part.lo == dividend.part.hi) {
394 					if (partial2.part.lo > dividend.part.lo) {
395 						quotient.part.lo--;
399 					quotient.part.lo--;
405 			remainder.part.hi = (u32)-((s32)remainder.part.hi);
406 			remainder.part.lo = (u32)-((s32)remainder.part.lo);
408 			if (remainder.part.lo) {
409 				remainder.part.hi--;