@Test
	public void testFloatNegOpGen() throws Exception {
		long d0dot5 = Double.doubleToLongBits(0.5);
		int f0dot5 = Float.floatToIntBits(0.5f);
		runEquivalenceTest(translateSleigh(ID_TOYBE64, """
				r0 = f-r1;
				r6l = f-r7l;
				"""),
			List.of(
				new Case("num", """
						r1l =0x%x;
						r7  =0x%x;
						""".formatted(f0dot5, d0dot5), List.of("r0", "r6"))));
	}
The size swap is not necessary, but test anyway.
Ghidra/Test/IntegrationTest/src/test.slow/java/ghidra/pcode/emu/jit/gen/JitCodeGeneratorTest.java