| divsi3.S (139815) | divsi3.S (245548) |
|---|---|
| 1/* $NetBSD: divsi3.S,v 1.4 2003/04/05 23:27:15 bjh21 Exp $ */ 2 3/*- 4 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 5 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 6 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 7 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 8 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 9 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 10 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 11 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 12 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 13 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 14 * SUCH DAMAGE. 15 */ 16 17#include <machine/asm.h> | 1/* $NetBSD: divsi3.S,v 1.4 2003/04/05 23:27:15 bjh21 Exp $ */ 2 3/*- 4 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 5 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 6 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 7 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 8 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 9 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 10 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 11 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 12 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 13 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 14 * SUCH DAMAGE. 15 */ 16 17#include <machine/asm.h> |
| 18__FBSDID("$FreeBSD: head/sys/libkern/arm/divsi3.S 139815 2005-01-07 00:24:33Z imp $"); | 18__FBSDID("$FreeBSD: head/sys/libkern/arm/divsi3.S 245548 2013-01-17 09:37:42Z andrew $"); |
| 19 20/* 21 * stack is aligned as there's a possibility of branching to L_overflow 22 * which makes a C call 23 */ 24 25ENTRY_NP(__umodsi3) 26 stmfd sp!, {lr} --- 17 unchanged lines hidden (view full) --- 44 bl PIC_SYM(_C_LABEL(raise), PLT) /* raise it */ 45 mov r0, #0 46#else 47 /* XXX should cause a fatal error */ 48 mvn r0, #0 49#endif 50 RET 51 | 19 20/* 21 * stack is aligned as there's a possibility of branching to L_overflow 22 * which makes a C call 23 */ 24 25ENTRY_NP(__umodsi3) 26 stmfd sp!, {lr} --- 17 unchanged lines hidden (view full) --- 44 bl PIC_SYM(_C_LABEL(raise), PLT) /* raise it */ 45 mov r0, #0 46#else 47 /* XXX should cause a fatal error */ 48 mvn r0, #0 49#endif 50 RET 51 |
| 52#ifdef __ARM_EABI__ 53ENTRY_NP(__aeabi_uidiv) 54ENTRY_NP(__aeabi_uidivmod) 55#endif |
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| 52ENTRY_NP(__udivsi3) 53.L_udivide: /* r0 = r0 / r1; r1 = r0 % r1 */ 54 eor r0, r1, r0 55 eor r1, r0, r1 56 eor r0, r1, r0 57 /* r0 = r1 / r0; r1 = r1 % r0 */ 58 cmp r0, #1 59 bcc .L_overflow --- 6 unchanged lines hidden (view full) --- 66 orrcs ip, ip, #0x10000000 /* ip bit 0x10000000 = bit 0 of r1 */ 67 b .L_divide_l1 68 69.L_divide_l0: /* r0 == 1 */ 70 mov r0, r1 71 mov r1, #0 72 RET 73 | 56ENTRY_NP(__udivsi3) 57.L_udivide: /* r0 = r0 / r1; r1 = r0 % r1 */ 58 eor r0, r1, r0 59 eor r1, r0, r1 60 eor r0, r1, r0 61 /* r0 = r1 / r0; r1 = r1 % r0 */ 62 cmp r0, #1 63 bcc .L_overflow --- 6 unchanged lines hidden (view full) --- 70 orrcs ip, ip, #0x10000000 /* ip bit 0x10000000 = bit 0 of r1 */ 71 b .L_divide_l1 72 73.L_divide_l0: /* r0 == 1 */ 74 mov r0, r1 75 mov r1, #0 76 RET 77 |
| 78#ifdef __ARM_EABI__ 79ENTRY_NP(__aeabi_idiv) 80ENTRY_NP(__aeabi_idivmod) 81#endif |
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| 74ENTRY_NP(__divsi3) 75.L_divide: /* r0 = r0 / r1; r1 = r0 % r1 */ 76 eor r0, r1, r0 77 eor r1, r0, r1 78 eor r0, r1, r0 79 /* r0 = r1 / r0; r1 = r1 % r0 */ 80 cmp r0, #1 81 bcc .L_overflow --- 306 unchanged lines hidden --- | 82ENTRY_NP(__divsi3) 83.L_divide: /* r0 = r0 / r1; r1 = r0 % r1 */ 84 eor r0, r1, r0 85 eor r1, r0, r1 86 eor r0, r1, r0 87 /* r0 = r1 / r0; r1 = r1 % r0 */ 88 cmp r0, #1 89 bcc .L_overflow --- 306 unchanged lines hidden --- |