NMULSD	F0, F1             // ERROR "illegal combination"
	NMULSF	F0, F1             // ERROR "illegal combination"
	FMULAD	F0, F1             // ERROR "illegal combination"
	FMULAF	F0, F1             // ERROR "illegal combination"
	FMULSD	F0, F1             // ERROR "illegal combination"
	FMULSF	F0, F1             // ERROR "illegal combination"
	FNMULAD	F0, F1             // ERROR "illegal combination"

	MOVF	F2, 0x00ffffff(R2) // MOVF F2, 16777215(R2)
	MOVD	F2, 0x00ffffff(R2) // MOVD F2, 16777215(R2)
	MOVF	F0, math·Exp(SB)   // MOVF F0, math.Exp(SB)
	MOVF	math·Exp(SB), F0   // MOVF math.Exp(SB), F0
	MOVD	F0, math·Exp(SB)   // MOVD F0, math.Exp(SB)
	MOVD	math·Exp(SB), F0   // MOVD math.Exp(SB), F0
	MOVF	F4, F5                                    // 445ab0ee
	MOVD	F6, F7                                    // 467bb0ee

	FCVTLS.RUP	F0, X5				// d33220c0
	FCVTLS.RMM	F0, X5				// d34220c0
	FCVTSW	X5, F0					// 538002d0
	FCVTSL	X5, F0					// 538022d0
	FCVTWUS	F0, X5					// d31210c0
	FCVTWUS.RNE	F0, X5				// d30210c0
	FCVTWUS.RTZ	F0, X5				// d31210c0
	FCVTWUS.RDN	F0, X5				// d32210c0
	FCVTWUS.RUP	F0, X5				// d33210c0
	FCVTWUS.RMM	F0, X5				// d34210c0
	FCVTLUS	F0, X5					// d31230c0
	FCVTLUS.RNE	F0, X5				// d30230c0

	FCLASSD		F4, F5		// 85381401

	FFINTFW		F0, F1		// 01101d01
	FFINTFV		F0, F1		// 01181d01
	FFINTDW		F0, F1		// 01201d01
	FFINTDV		F0, F1		// 01281d01
	FTINTWF		F0, F1		// 01041b01
	FTINTWD		F0, F1		// 01081b01
	FTINTVF		F0, F1		// 01241b01
	FTINTVD		F0, F1		// 01281b01

	FTINTRMWF	F0, F2		// 02041a01
	FTINTRMWD	F0, F2		// 02081a01
	FTINTRMVF	F0, F2		// 02241a01
	FTINTRMVD	F0, F2		// 02281a01

	FMOVS	4095(R2)(R3), F13      // 78d32fff
	FMOVS	4096(R2)(R4), F15      // edf420000164
	FMOVD	F0, 4095(R1)           // 60001fff
	FMOVD	F0, 4096(R1)           // ed0010000167
	FMOVS	F13, 4095(R2)(R3)      // 70d32fff
	FMOVS	F13, 4096(R2)(R3)      // edd320000166

	FADDS	F0, F15                // b30a00f0
	FADD	F1, F14                // b31a00e1
	FSUBS	F2, F13                // b30b00d2

		t.Fatal(err)
	}

	// read back zip file and check that we get to the end of it
	r, err := NewReader(buf, buf.Size())
	if err != nil {
		t.Fatal("reader:", err)
	}
	f0 := r.File[0]
	rc, err := f0.Open()
	if err != nil {
		t.Fatal("opening:", err)
	}
	rc.(*checksumReader).hash = fakeHash32{}
	for i := 0; i < chunks; i++ {
		_, err := io.ReadFull(rc, chunk)
		if err != nil {

    assertEscaping(e, "%E0%A0%80", '\u0800'); // xxx-0000,x-100000,x-00,0000
    assertEscaping(e, "%EF%BF%BF", '\uffff'); // xxx-1111,x-111111,x-11,1111
    assertUnicodeEscaping(e, "%F0%90%80%80", '\uD800', '\uDC00');
    assertUnicodeEscaping(e, "%F4%8F%BF%BF", '\uDBFF', '\uDFFF');

    assertEquals("", e.escape(""));
    assertEquals("safestring", e.escape("safestring"));

    assertEscaping(e, "%E0%A0%80", '\u0800'); // xxx-0000,x-100000,x-00,0000
    assertEscaping(e, "%EF%BF%BF", '\uffff'); // xxx-1111,x-111111,x-11,1111
    assertUnicodeEscaping(e, "%F0%90%80%80", '\uD800', '\uDC00');
    assertUnicodeEscaping(e, "%F4%8F%BF%BF", '\uDBFF', '\uDFFF');

    // simple string tests
    assertEquals("", e.escape(""));
    assertEquals("safestring", e.escape("safestring"));

    assertEscaping(e, "%E0%A0%80", '\u0800'); // xxx-0000,x-100000,x-00,0000
    assertEscaping(e, "%EF%BF%BF", '\uffff'); // xxx-1111,x-111111,x-11,1111
    assertUnicodeEscaping(e, "%F0%90%80%80", '\uD800', '\uDC00');
    assertUnicodeEscaping(e, "%F4%8F%BF%BF", '\uDBFF', '\uDFFF');

    assertEquals("", e.escape(""));
    assertEquals("safestring", e.escape("safestring"));

    assertEscaping(e, "%E0%A0%80", '\u0800'); // xxx-0000,x-100000,x-00,0000
    assertEscaping(e, "%EF%BF%BF", '\uffff'); // xxx-1111,x-111111,x-11,1111
    assertUnicodeEscaping(e, "%F0%90%80%80", '\uD800', '\uDC00');
    assertUnicodeEscaping(e, "%F4%8F%BF%BF", '\uDBFF', '\uDFFF');

    // simple string tests
    assertEquals("", e.escape(""));
    assertEquals("safestring", e.escape("safestring"));