#version 310 es

void main()
{
	int signed_value = 0;
	uint unsigned_value = 0u;

	ivec3 signed_values = ivec3(0);
	uvec3 unsigned_values = uvec3(0u);

	{
		int s = bitfieldExtract(signed_value, 5, 20);
		uint u = bitfieldExtract(unsigned_value, 6, 21);

		s = bitfieldInsert(s, 40, 5, 4);
		u = bitfieldInsert(u, 60u, 5, 4);

		u = bitfieldReverse(u);
		s = bitfieldReverse(s);

		int v0 = bitCount(u);
		int v1 = bitCount(s);

		int v2 = findMSB(u);
		int v3 = findLSB(s);
	}

	{
		ivec3 s = bitfieldExtract(signed_values, 5, 20);
		uvec3 u = bitfieldExtract(unsigned_values, 6, 21);

		s = bitfieldInsert(s, ivec3(40), 5, 4);
		u = bitfieldInsert(u, uvec3(60u), 5, 4);

		u = bitfieldReverse(u);
		s = bitfieldReverse(s);

		ivec3 v0 = bitCount(u);
		ivec3 v1 = bitCount(s);

		ivec3 v2 = findMSB(u);
		ivec3 v3 = findLSB(s);
	}
}