gistfile1.txt

/Users/torarne/dev/qt/5.x/qtbase/src/gui/image/qimage_neon.cpp:78:17: error: vector register expected
                "vld3.8     { d0, d1, d2 }, [%[SRC]] !\n\t"
                ^
<inline asm>:1:15: note: instantiated into assembly here
        vld3.8     { d0, d1, d2 }, [x1] !
                     ^
/Users/torarne/dev/qt/5.x/qtbase/src/gui/image/qimage_neon.cpp:78:57: error: unrecognized instruction mnemonic
                "vld3.8     { d0, d1, d2 }, [%[SRC]] !\n\t"
                                                        ^
<inline asm>:2:2: note: instantiated into assembly here
        vswp d0, d2
        ^
/Users/torarne/dev/qt/5.x/qtbase/src/gui/image/qimage_neon.cpp:79:31: error: vector register expected
                "vswp d0, d2\n\t"
                              ^
<inline asm>:3:15: note: instantiated into assembly here
        vst4.8     { d0, d1, d2, d3 }, [x8,:64] !
                     ^

gistfile2.txt

Q_GUI_EXPORT void QT_FASTCALL qt_convert_rgb888_to_rgb32_neon(quint32 *dst, const uchar *src, int len)
{
    if (!len)
        return;

    const quint32 *const end = dst + len;

    // align dst on 64 bits
    const int offsetToAlignOn8Bytes = (reinterpret_cast<quintptr>(dst) >> 2) & 0x1;
    for (int i = 0; i < offsetToAlignOn8Bytes; ++i) {
        *dst++ = qRgb(src[0], src[1], src[2]);
        src += 3;
    }

    if ((len - offsetToAlignOn8Bytes) >= 8) {
        const quint32 *const simdEnd = end - 7;
        register uint8x8_t fullVector asm ("d3") = vdup_n_u8(0xff);
        do {
#if Q_BYTE_ORDER == Q_BIG_ENDIAN
            asm volatile (
                "vld3.8     { d4, d5, d6 }, [%[SRC]] !\n\t"
                "vst4.8     { d3, d4, d5, d6 }, [%[DST],:64] !\n\t"
                : [DST]"+r" (dst), [SRC]"+r" (src)
                : "w"(fullVector)
                : "memory", "d4", "d5", "d6"
            );
#else
            asm volatile (
                "vld3.8     { d0, d1, d2 }, [%[SRC]] !\n\t"
                "vswp d0, d2\n\t"
                "vst4.8     { d0, d1, d2, d3 }, [%[DST],:64] !\n\t"
                : [DST]"+r" (dst), [SRC]"+r" (src)
                : "w"(fullVector)
                : "memory", "d0", "d1", "d2"
            );
#endif
        } while (dst < simdEnd);
    }

    while (dst != end) {
        *dst++ = qRgb(src[0], src[1], src[2]);
        src += 3;
    }
}