Function Replicate

arch/arm64/disassembler/pcode.c:533–570

Mozilla MPL TODO: evaluate license, possibly rewrite https://github.com/Siguza/iometa/blob/master/src/a64.c */

  TODO: evaluate license, possibly rewrite
  https://github.com/Siguza/iometa/blob/master/src/a64.c */
uint64_t Replicate(uint64_t val, uint8_t times, uint64_t width)
{
	// Fast path
	switch (times)
	{
	case 64:
		val |= val << width;
		width <<= 1;
	case 32:
		val |= val << width;
		width <<= 1;
	case 16:
		val |= val << width;
		width <<= 1;
	case 8:
		val |= val << width;
		width <<= 1;
	case 4:
		val |= val << width;
		width <<= 1;
	case 2:
		val |= val << width;
	case 1:
		return val;
	case 0:
		return 0;
	default:
		break;
	}
	// Slow path
	uint64_t orig = val;
	for (size_t i = 0; i < times; ++i)
	{
		val <<= width;
		val |= orig;
	}
	return val;
}

/* Mozilla MPL
  TODO: evaluate license, possibly rewrite