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altivec: vec_splat_* is actually not at all what I thought it was lol
author Paper <paper@tflc.us>
date Tue, 29 Apr 2025 16:54:13 -0400
parents 4b5a557aa64f
children
line wrap: on
line source

static int test_shift(void)
{
	int ret = 0;

	ret |= (vec_urshift(0xFFFFFFFF, 16) != 0xFFFF);
	ret |= (vec_ulshift(0xFFFF, 16) != 0xFFFF0000);
	ret |= (vec_rshift(-0xFFFF, 8) != -0x100);
	ret |= (vec_lshift(-0xFFFF, 8) != -0xFFFF00);

	return ret;
}