Lines Matching +full:half +full:-
1 /* SPDX-License-Identifier: GPL-2.0 */
3 /*---------------------------------------------------------------------------+
10 | Australia. E-mail billm@suburbia.net |
20 | Return value is the tag of the answer, or-ed with FPU_Exception if |
21 | one was raised, or -1 on internal error. |
26 +---------------------------------------------------------------------------*/
28 /*---------------------------------------------------------------------------+
47 | must be non-zero. |
48 | If the significand extension is non-zero then the significand is |
52 | non-zero values: |
63 +---------------------------------------------------------------------------*/
65 /*---------------------------------------------------------------------------+
73 +---------------------------------------------------------------------------*/
90 /* Make the code re-entrant by putting
96 /* Not re-entrant, so we can gain speed by putting
138 jle L_Make_denorm /* The number is a de-normal */
140 movb $0,FPU_denormal /* 0 -> not a de-normal */
184 cmpl RC_DOWN,%ecx /* Towards -infinity */
214 jc LCheck_truncate_24 /* less than half, no increment needed */
216 jne LGreater_Half_24 /* greater than half, increment needed */
218 /* Possibly half, we need to check the ls bits */
220 jnz LGreater_Half_24 /* greater than half, increment needed */
223 jnz LGreater_Half_24 /* greater than half, increment needed */
225 /* Exactly half, increment only if 24th bit is 1 (round to even) */
264 cmpl RC_DOWN,%ecx /* Towards -infinity */
293 jc LCheck_truncate_53 /* less than half, no increment needed */
295 jnz LGreater_Half_53 /* greater than half, increment needed */
297 /* Possibly half, we need to check the ls bits */
299 jnz LGreater_Half_53 /* greater than half, increment needed */
301 /* Exactly half, increment only if 53rd bit is 1 (round to even) */
338 cmpl RC_DOWN,%ecx /* Towards -infinity */
367 /* Now test for round-to-even */
445 * round-up.
493 * is for a small de-normalising shift.
498 setne %ch /* Save whether %edx is non-zero */
550 /* This is easy, %eax must be non-zero, so.. */
563 /* Undo the de-normalisation. */
645 /* The number may have been changed to a non-denormal */
707 mov $-1,%eax