- t2 = jit_get_reg(jit_class_gpr);
- movi(rn(t0), __WORDSIZE == 32 ? 0x55555555L : 0x5555555555555555L);
- rshi_u(rn(t1), r0, 1); /* t1 = v >> 1 */
- andr(rn(t1), rn(t1), rn(t0)); /* t1 &= t0 */
- andr(rn(t2), r0, rn(t0)); /* t2 = v & t0*/
- lshi(rn(t2), rn(t2), 1); /* t2 <<= 1 */
- orr(r0, rn(t1), rn(t2)); /* v = t1 | t2 */
- movi(rn(t0), __WORDSIZE == 32 ? 0x33333333L : 0x3333333333333333L);
- rshi_u(rn(t1), r0, 2); /* t1 = v >> 2 */
- andr(rn(t1), rn(t1), rn(t0)); /* t1 &= t0 */
- andr(rn(t2), r0, rn(t0)); /* t2 = v & t0*/
- lshi(rn(t2), rn(t2), 2); /* t2 <<= 2 */
- orr(r0, rn(t1), rn(t2)); /* v = t1 | t2 */
- movi(rn(t0), __WORDSIZE == 32 ? 0x0f0f0f0fL : 0x0f0f0f0f0f0f0f0fL);
- rshi_u(rn(t1), r0, 4); /* t1 = v >> 4 */
- andr(rn(t1), rn(t1), rn(t0)); /* t1 &= t0 */
- andr(rn(t2), r0, rn(t0)); /* t2 = v & t0*/
- lshi(rn(t2), rn(t2), 4); /* t2 <<= 4 */
- orr(r0, rn(t1), rn(t2)); /* v = t1 | t2 */
- movi(rn(t0), __WORDSIZE == 32 ? 0x00ff00ffL : 0x00ff00ff00ff00ffL);
- rshi_u(rn(t1), r0, 8); /* t1 = v >> 8 */
- andr(rn(t1), rn(t1), rn(t0)); /* t1 &= t0 */
- andr(rn(t2), r0, rn(t0)); /* t2 = v & t0*/
- lshi(rn(t2), rn(t2), 8); /* t2 <<= 8 */
- orr(r0, rn(t1), rn(t2)); /* v = t1 | t2 */
-# if __WORDSIZE == 32
- rshi_u(rn(t1), r0, 16); /* t1 = v >> 16 */
- lshi(rn(t2), r0, 16); /* t2 = v << 16 */
- orr(r0, rn(t1), rn(t2)); /* v = t1 | t2 */
-# else
- movi(rn(t0), 0x0000ffff0000ffffL);
- rshi_u(rn(t1), r0, 16); /* t1 = v >> 16 */
- andr(rn(t1), rn(t1), rn(t0)); /* t1 &= t0 */
- andr(rn(t2), r0, rn(t0)); /* t2 = v & t0*/
- lshi(rn(t2), rn(t2), 16); /* t2 <<= 16 */
- orr(r0, rn(t1), rn(t2)); /* v = t1 | t2 */
- rshi_u(rn(t1), r0, 32); /* t1 = v >> 32 */
- lshi(rn(t2), r0, 32); /* t2 = v << 32 */
- orr(r0, rn(t1), rn(t2)); /* v = t1 | t2 */
-# endif
- jit_unget_reg(t2);
- jit_unget_reg(t1);