Use .L prefix for all local labels.
This commit is contained in:
briggs
parent
8d5eb3e93d
commit
b98931f62e
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@ -1,4 +1,4 @@
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/* $NetBSD: divsi3.S,v 1.2 2001/11/13 20:06:40 chris Exp $ */
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/* $NetBSD: divsi3.S,v 1.3 2002/08/15 18:30:36 briggs Exp $ */
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/*
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/*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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@ -24,7 +24,7 @@
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ENTRY(__umodsi3)
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ENTRY(__umodsi3)
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stmfd sp!, {lr}
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stmfd sp!, {lr}
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sub sp, sp, #4 /* align stack */
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sub sp, sp, #4 /* align stack */
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bl L_udivide
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bl .L_udivide
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add sp, sp, #4 /* unalign stack */
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add sp, sp, #4 /* unalign stack */
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mov r0, r1
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mov r0, r1
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#ifdef __APCS_26__
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#ifdef __APCS_26__
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@ -36,7 +36,7 @@ ENTRY(__umodsi3)
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ENTRY(__modsi3)
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ENTRY(__modsi3)
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stmfd sp!, {lr}
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stmfd sp!, {lr}
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sub sp, sp, #4 /* align stack */
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sub sp, sp, #4 /* align stack */
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bl L_divide
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bl .L_divide
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add sp, sp, #4 /* unalign stack */
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add sp, sp, #4 /* unalign stack */
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mov r0, r1
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mov r0, r1
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#ifdef __APCS_26__
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#ifdef __APCS_26__
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@ -45,7 +45,7 @@ ENTRY(__modsi3)
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ldmfd sp!, {pc}
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ldmfd sp!, {pc}
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#endif
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#endif
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L_overflow:
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.L_overflow:
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#if !defined(_KERNEL) && !defined(_STANDALONE)
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#if !defined(_KERNEL) && !defined(_STANDALONE)
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mov r0, #8 /* SIGFPE */
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mov r0, #8 /* SIGFPE */
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bl PIC_SYM(_C_LABEL(raise), PLT) /* raise it */
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bl PIC_SYM(_C_LABEL(raise), PLT) /* raise it */
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@ -61,23 +61,23 @@ L_overflow:
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#endif
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#endif
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ENTRY(__udivsi3)
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ENTRY(__udivsi3)
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L_udivide: /* r0 = r0 / r1; r1 = r0 % r1 */
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.L_udivide: /* r0 = r0 / r1; r1 = r0 % r1 */
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eor r0, r1, r0
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eor r0, r1, r0
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eor r1, r0, r1
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eor r1, r0, r1
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eor r0, r1, r0
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eor r0, r1, r0
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/* r0 = r1 / r0; r1 = r1 % r0 */
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/* r0 = r1 / r0; r1 = r1 % r0 */
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cmp r0, #1
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cmp r0, #1
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bcc L_overflow
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bcc .L_overflow
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beq L_divide_l0
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beq .L_divide_l0
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mov ip, #0
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mov ip, #0
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movs r1, r1
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movs r1, r1
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bpl L_divide_l1
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bpl .L_divide_l1
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orr ip, ip, #0x20000000 /* ip bit 0x20000000 = -ve r1 */
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orr ip, ip, #0x20000000 /* ip bit 0x20000000 = -ve r1 */
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movs r1, r1, lsr #1
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movs r1, r1, lsr #1
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orrcs ip, ip, #0x10000000 /* ip bit 0x10000000 = bit 0 of r1 */
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orrcs ip, ip, #0x10000000 /* ip bit 0x10000000 = bit 0 of r1 */
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b L_divide_l1
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b .L_divide_l1
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L_divide_l0: /* r0 == 1 */
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.L_divide_l0: /* r0 == 1 */
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mov r0, r1
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mov r0, r1
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mov r1, #0
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mov r1, #0
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#ifdef __APCS_26__
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#ifdef __APCS_26__
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@ -87,14 +87,14 @@ L_divide_l0: /* r0 == 1 */
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#endif
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#endif
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ENTRY(__divsi3)
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ENTRY(__divsi3)
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L_divide: /* r0 = r0 / r1; r1 = r0 % r1 */
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.L_divide: /* r0 = r0 / r1; r1 = r0 % r1 */
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eor r0, r1, r0
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eor r0, r1, r0
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eor r1, r0, r1
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eor r1, r0, r1
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eor r0, r1, r0
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eor r0, r1, r0
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/* r0 = r1 / r0; r1 = r1 % r0 */
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/* r0 = r1 / r0; r1 = r1 % r0 */
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cmp r0, #1
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cmp r0, #1
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bcc L_overflow
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bcc .L_overflow
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beq L_divide_l0
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beq .L_divide_l0
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ands ip, r0, #0x80000000
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ands ip, r0, #0x80000000
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rsbmi r0, r0, #0
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rsbmi r0, r0, #0
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ands r2, r1, #0x80000000
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ands r2, r1, #0x80000000
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@ -103,7 +103,7 @@ L_divide: /* r0 = r0 / r1; r1 = r0 % r1 */
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orr ip, r2, ip, lsr #1 /* ip bit 0x40000000 = -ve division */
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orr ip, r2, ip, lsr #1 /* ip bit 0x40000000 = -ve division */
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/* ip bit 0x80000000 = -ve remainder */
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/* ip bit 0x80000000 = -ve remainder */
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L_divide_l1:
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.L_divide_l1:
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mov r2, #1
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mov r2, #1
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mov r3, #0
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mov r3, #0
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@ -112,276 +112,276 @@ L_divide_l1:
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* careful when shifting the divisor. Test this.
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* careful when shifting the divisor. Test this.
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*/
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*/
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movs r1,r1
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movs r1,r1
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bpl L_old_code
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bpl .L_old_code
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/*
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/*
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* At this point, the highest bit of r1 is known to be set.
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* At this point, the highest bit of r1 is known to be set.
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* We abuse this below in the tst instructions.
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* We abuse this below in the tst instructions.
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*/
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*/
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tst r1, r0 /*, lsl #0 */
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tst r1, r0 /*, lsl #0 */
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bmi L_divide_b1
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bmi .L_divide_b1
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tst r1, r0, lsl #1
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tst r1, r0, lsl #1
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bmi L_divide_b2
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bmi .L_divide_b2
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tst r1, r0, lsl #2
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tst r1, r0, lsl #2
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bmi L_divide_b3
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bmi .L_divide_b3
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tst r1, r0, lsl #3
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tst r1, r0, lsl #3
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bmi L_divide_b4
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bmi .L_divide_b4
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tst r1, r0, lsl #4
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tst r1, r0, lsl #4
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bmi L_divide_b5
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bmi .L_divide_b5
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tst r1, r0, lsl #5
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tst r1, r0, lsl #5
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bmi L_divide_b6
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bmi .L_divide_b6
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tst r1, r0, lsl #6
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tst r1, r0, lsl #6
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bmi L_divide_b7
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bmi .L_divide_b7
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tst r1, r0, lsl #7
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tst r1, r0, lsl #7
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bmi L_divide_b8
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bmi .L_divide_b8
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tst r1, r0, lsl #8
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tst r1, r0, lsl #8
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bmi L_divide_b9
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bmi .L_divide_b9
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tst r1, r0, lsl #9
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tst r1, r0, lsl #9
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bmi L_divide_b10
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bmi .L_divide_b10
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tst r1, r0, lsl #10
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tst r1, r0, lsl #10
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bmi L_divide_b11
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bmi .L_divide_b11
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tst r1, r0, lsl #11
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tst r1, r0, lsl #11
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bmi L_divide_b12
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bmi .L_divide_b12
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tst r1, r0, lsl #12
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tst r1, r0, lsl #12
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bmi L_divide_b13
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bmi .L_divide_b13
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tst r1, r0, lsl #13
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tst r1, r0, lsl #13
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bmi L_divide_b14
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bmi .L_divide_b14
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tst r1, r0, lsl #14
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tst r1, r0, lsl #14
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bmi L_divide_b15
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bmi .L_divide_b15
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tst r1, r0, lsl #15
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tst r1, r0, lsl #15
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bmi L_divide_b16
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bmi .L_divide_b16
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tst r1, r0, lsl #16
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tst r1, r0, lsl #16
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bmi L_divide_b17
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bmi .L_divide_b17
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tst r1, r0, lsl #17
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tst r1, r0, lsl #17
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bmi L_divide_b18
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bmi .L_divide_b18
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tst r1, r0, lsl #18
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tst r1, r0, lsl #18
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bmi L_divide_b19
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bmi .L_divide_b19
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tst r1, r0, lsl #19
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tst r1, r0, lsl #19
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bmi L_divide_b20
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bmi .L_divide_b20
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tst r1, r0, lsl #20
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tst r1, r0, lsl #20
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bmi L_divide_b21
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bmi .L_divide_b21
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tst r1, r0, lsl #21
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tst r1, r0, lsl #21
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bmi L_divide_b22
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bmi .L_divide_b22
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tst r1, r0, lsl #22
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tst r1, r0, lsl #22
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bmi L_divide_b23
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bmi .L_divide_b23
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tst r1, r0, lsl #23
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tst r1, r0, lsl #23
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bmi L_divide_b24
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bmi .L_divide_b24
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tst r1, r0, lsl #24
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tst r1, r0, lsl #24
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bmi L_divide_b25
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bmi .L_divide_b25
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tst r1, r0, lsl #25
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tst r1, r0, lsl #25
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bmi L_divide_b26
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bmi .L_divide_b26
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tst r1, r0, lsl #26
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tst r1, r0, lsl #26
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bmi L_divide_b27
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bmi .L_divide_b27
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tst r1, r0, lsl #27
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tst r1, r0, lsl #27
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bmi L_divide_b28
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bmi .L_divide_b28
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tst r1, r0, lsl #28
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tst r1, r0, lsl #28
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bmi L_divide_b29
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bmi .L_divide_b29
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tst r1, r0, lsl #29
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tst r1, r0, lsl #29
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bmi L_divide_b30
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bmi .L_divide_b30
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tst r1, r0, lsl #30
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tst r1, r0, lsl #30
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bmi L_divide_b31
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bmi .L_divide_b31
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/*
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/*
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* instead of:
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* instead of:
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* tst r1, r0, lsl #31
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* tst r1, r0, lsl #31
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* bmi L_divide_b32
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* bmi .L_divide_b32
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*/
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*/
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b L_divide_b32
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b .L_divide_b32
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L_old_code:
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.L_old_code:
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cmp r1, r0
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cmp r1, r0
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bcc L_divide_b0
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bcc .L_divide_b0
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cmp r1, r0, lsl #1
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cmp r1, r0, lsl #1
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bcc L_divide_b1
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bcc .L_divide_b1
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cmp r1, r0, lsl #2
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cmp r1, r0, lsl #2
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bcc L_divide_b2
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bcc .L_divide_b2
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cmp r1, r0, lsl #3
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cmp r1, r0, lsl #3
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bcc L_divide_b3
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bcc .L_divide_b3
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cmp r1, r0, lsl #4
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cmp r1, r0, lsl #4
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bcc L_divide_b4
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bcc .L_divide_b4
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cmp r1, r0, lsl #5
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cmp r1, r0, lsl #5
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bcc L_divide_b5
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bcc .L_divide_b5
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cmp r1, r0, lsl #6
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cmp r1, r0, lsl #6
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bcc L_divide_b6
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bcc .L_divide_b6
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cmp r1, r0, lsl #7
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cmp r1, r0, lsl #7
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bcc L_divide_b7
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bcc .L_divide_b7
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cmp r1, r0, lsl #8
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cmp r1, r0, lsl #8
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bcc L_divide_b8
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bcc .L_divide_b8
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cmp r1, r0, lsl #9
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cmp r1, r0, lsl #9
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bcc L_divide_b9
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bcc .L_divide_b9
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cmp r1, r0, lsl #10
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cmp r1, r0, lsl #10
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bcc L_divide_b10
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bcc .L_divide_b10
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cmp r1, r0, lsl #11
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cmp r1, r0, lsl #11
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bcc L_divide_b11
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bcc .L_divide_b11
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cmp r1, r0, lsl #12
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cmp r1, r0, lsl #12
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bcc L_divide_b12
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bcc .L_divide_b12
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cmp r1, r0, lsl #13
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cmp r1, r0, lsl #13
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bcc L_divide_b13
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bcc .L_divide_b13
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cmp r1, r0, lsl #14
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cmp r1, r0, lsl #14
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bcc L_divide_b14
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bcc .L_divide_b14
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cmp r1, r0, lsl #15
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cmp r1, r0, lsl #15
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bcc L_divide_b15
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bcc .L_divide_b15
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cmp r1, r0, lsl #16
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cmp r1, r0, lsl #16
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bcc L_divide_b16
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bcc .L_divide_b16
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cmp r1, r0, lsl #17
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cmp r1, r0, lsl #17
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bcc L_divide_b17
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bcc .L_divide_b17
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cmp r1, r0, lsl #18
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cmp r1, r0, lsl #18
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bcc L_divide_b18
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bcc .L_divide_b18
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cmp r1, r0, lsl #19
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cmp r1, r0, lsl #19
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bcc L_divide_b19
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bcc .L_divide_b19
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cmp r1, r0, lsl #20
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cmp r1, r0, lsl #20
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bcc L_divide_b20
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bcc .L_divide_b20
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cmp r1, r0, lsl #21
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cmp r1, r0, lsl #21
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bcc L_divide_b21
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bcc .L_divide_b21
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cmp r1, r0, lsl #22
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cmp r1, r0, lsl #22
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bcc L_divide_b22
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bcc .L_divide_b22
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cmp r1, r0, lsl #23
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cmp r1, r0, lsl #23
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bcc L_divide_b23
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bcc .L_divide_b23
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cmp r1, r0, lsl #24
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cmp r1, r0, lsl #24
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bcc L_divide_b24
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bcc .L_divide_b24
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cmp r1, r0, lsl #25
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cmp r1, r0, lsl #25
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bcc L_divide_b25
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bcc .L_divide_b25
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cmp r1, r0, lsl #26
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cmp r1, r0, lsl #26
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bcc L_divide_b26
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bcc .L_divide_b26
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cmp r1, r0, lsl #27
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cmp r1, r0, lsl #27
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bcc L_divide_b27
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bcc .L_divide_b27
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cmp r1, r0, lsl #28
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cmp r1, r0, lsl #28
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bcc L_divide_b28
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bcc .L_divide_b28
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cmp r1, r0, lsl #29
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cmp r1, r0, lsl #29
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bcc L_divide_b29
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bcc .L_divide_b29
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cmp r1, r0, lsl #30
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cmp r1, r0, lsl #30
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bcc L_divide_b30
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bcc .L_divide_b30
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L_divide_b32:
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.L_divide_b32:
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cmp r1, r0, lsl #31
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cmp r1, r0, lsl #31
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subhs r1, r1,r0, lsl #31
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subhs r1, r1,r0, lsl #31
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addhs r3, r3,r2, lsl #31
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addhs r3, r3,r2, lsl #31
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L_divide_b31:
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.L_divide_b31:
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cmp r1, r0, lsl #30
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cmp r1, r0, lsl #30
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subhs r1, r1,r0, lsl #30
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subhs r1, r1,r0, lsl #30
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addhs r3, r3,r2, lsl #30
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addhs r3, r3,r2, lsl #30
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L_divide_b30:
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.L_divide_b30:
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cmp r1, r0, lsl #29
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cmp r1, r0, lsl #29
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subhs r1, r1,r0, lsl #29
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subhs r1, r1,r0, lsl #29
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addhs r3, r3,r2, lsl #29
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addhs r3, r3,r2, lsl #29
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L_divide_b29:
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.L_divide_b29:
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cmp r1, r0, lsl #28
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cmp r1, r0, lsl #28
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subhs r1, r1,r0, lsl #28
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subhs r1, r1,r0, lsl #28
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addhs r3, r3,r2, lsl #28
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addhs r3, r3,r2, lsl #28
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L_divide_b28:
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.L_divide_b28:
|
||||||
cmp r1, r0, lsl #27
|
cmp r1, r0, lsl #27
|
||||||
subhs r1, r1,r0, lsl #27
|
subhs r1, r1,r0, lsl #27
|
||||||
addhs r3, r3,r2, lsl #27
|
addhs r3, r3,r2, lsl #27
|
||||||
L_divide_b27:
|
.L_divide_b27:
|
||||||
cmp r1, r0, lsl #26
|
cmp r1, r0, lsl #26
|
||||||
subhs r1, r1,r0, lsl #26
|
subhs r1, r1,r0, lsl #26
|
||||||
addhs r3, r3,r2, lsl #26
|
addhs r3, r3,r2, lsl #26
|
||||||
L_divide_b26:
|
.L_divide_b26:
|
||||||
cmp r1, r0, lsl #25
|
cmp r1, r0, lsl #25
|
||||||
subhs r1, r1,r0, lsl #25
|
subhs r1, r1,r0, lsl #25
|
||||||
addhs r3, r3,r2, lsl #25
|
addhs r3, r3,r2, lsl #25
|
||||||
L_divide_b25:
|
.L_divide_b25:
|
||||||
cmp r1, r0, lsl #24
|
cmp r1, r0, lsl #24
|
||||||
subhs r1, r1,r0, lsl #24
|
subhs r1, r1,r0, lsl #24
|
||||||
addhs r3, r3,r2, lsl #24
|
addhs r3, r3,r2, lsl #24
|
||||||
L_divide_b24:
|
.L_divide_b24:
|
||||||
cmp r1, r0, lsl #23
|
cmp r1, r0, lsl #23
|
||||||
subhs r1, r1,r0, lsl #23
|
subhs r1, r1,r0, lsl #23
|
||||||
addhs r3, r3,r2, lsl #23
|
addhs r3, r3,r2, lsl #23
|
||||||
L_divide_b23:
|
.L_divide_b23:
|
||||||
cmp r1, r0, lsl #22
|
cmp r1, r0, lsl #22
|
||||||
subhs r1, r1,r0, lsl #22
|
subhs r1, r1,r0, lsl #22
|
||||||
addhs r3, r3,r2, lsl #22
|
addhs r3, r3,r2, lsl #22
|
||||||
L_divide_b22:
|
.L_divide_b22:
|
||||||
cmp r1, r0, lsl #21
|
cmp r1, r0, lsl #21
|
||||||
subhs r1, r1,r0, lsl #21
|
subhs r1, r1,r0, lsl #21
|
||||||
addhs r3, r3,r2, lsl #21
|
addhs r3, r3,r2, lsl #21
|
||||||
L_divide_b21:
|
.L_divide_b21:
|
||||||
cmp r1, r0, lsl #20
|
cmp r1, r0, lsl #20
|
||||||
subhs r1, r1,r0, lsl #20
|
subhs r1, r1,r0, lsl #20
|
||||||
addhs r3, r3,r2, lsl #20
|
addhs r3, r3,r2, lsl #20
|
||||||
L_divide_b20:
|
.L_divide_b20:
|
||||||
cmp r1, r0, lsl #19
|
cmp r1, r0, lsl #19
|
||||||
subhs r1, r1,r0, lsl #19
|
subhs r1, r1,r0, lsl #19
|
||||||
addhs r3, r3,r2, lsl #19
|
addhs r3, r3,r2, lsl #19
|
||||||
L_divide_b19:
|
.L_divide_b19:
|
||||||
cmp r1, r0, lsl #18
|
cmp r1, r0, lsl #18
|
||||||
subhs r1, r1,r0, lsl #18
|
subhs r1, r1,r0, lsl #18
|
||||||
addhs r3, r3,r2, lsl #18
|
addhs r3, r3,r2, lsl #18
|
||||||
L_divide_b18:
|
.L_divide_b18:
|
||||||
cmp r1, r0, lsl #17
|
cmp r1, r0, lsl #17
|
||||||
subhs r1, r1,r0, lsl #17
|
subhs r1, r1,r0, lsl #17
|
||||||
addhs r3, r3,r2, lsl #17
|
addhs r3, r3,r2, lsl #17
|
||||||
L_divide_b17:
|
.L_divide_b17:
|
||||||
cmp r1, r0, lsl #16
|
cmp r1, r0, lsl #16
|
||||||
subhs r1, r1,r0, lsl #16
|
subhs r1, r1,r0, lsl #16
|
||||||
addhs r3, r3,r2, lsl #16
|
addhs r3, r3,r2, lsl #16
|
||||||
L_divide_b16:
|
.L_divide_b16:
|
||||||
cmp r1, r0, lsl #15
|
cmp r1, r0, lsl #15
|
||||||
subhs r1, r1,r0, lsl #15
|
subhs r1, r1,r0, lsl #15
|
||||||
addhs r3, r3,r2, lsl #15
|
addhs r3, r3,r2, lsl #15
|
||||||
L_divide_b15:
|
.L_divide_b15:
|
||||||
cmp r1, r0, lsl #14
|
cmp r1, r0, lsl #14
|
||||||
subhs r1, r1,r0, lsl #14
|
subhs r1, r1,r0, lsl #14
|
||||||
addhs r3, r3,r2, lsl #14
|
addhs r3, r3,r2, lsl #14
|
||||||
L_divide_b14:
|
.L_divide_b14:
|
||||||
cmp r1, r0, lsl #13
|
cmp r1, r0, lsl #13
|
||||||
subhs r1, r1,r0, lsl #13
|
subhs r1, r1,r0, lsl #13
|
||||||
addhs r3, r3,r2, lsl #13
|
addhs r3, r3,r2, lsl #13
|
||||||
L_divide_b13:
|
.L_divide_b13:
|
||||||
cmp r1, r0, lsl #12
|
cmp r1, r0, lsl #12
|
||||||
subhs r1, r1,r0, lsl #12
|
subhs r1, r1,r0, lsl #12
|
||||||
addhs r3, r3,r2, lsl #12
|
addhs r3, r3,r2, lsl #12
|
||||||
L_divide_b12:
|
.L_divide_b12:
|
||||||
cmp r1, r0, lsl #11
|
cmp r1, r0, lsl #11
|
||||||
subhs r1, r1,r0, lsl #11
|
subhs r1, r1,r0, lsl #11
|
||||||
addhs r3, r3,r2, lsl #11
|
addhs r3, r3,r2, lsl #11
|
||||||
L_divide_b11:
|
.L_divide_b11:
|
||||||
cmp r1, r0, lsl #10
|
cmp r1, r0, lsl #10
|
||||||
subhs r1, r1,r0, lsl #10
|
subhs r1, r1,r0, lsl #10
|
||||||
addhs r3, r3,r2, lsl #10
|
addhs r3, r3,r2, lsl #10
|
||||||
L_divide_b10:
|
.L_divide_b10:
|
||||||
cmp r1, r0, lsl #9
|
cmp r1, r0, lsl #9
|
||||||
subhs r1, r1,r0, lsl #9
|
subhs r1, r1,r0, lsl #9
|
||||||
addhs r3, r3,r2, lsl #9
|
addhs r3, r3,r2, lsl #9
|
||||||
L_divide_b9:
|
.L_divide_b9:
|
||||||
cmp r1, r0, lsl #8
|
cmp r1, r0, lsl #8
|
||||||
subhs r1, r1,r0, lsl #8
|
subhs r1, r1,r0, lsl #8
|
||||||
addhs r3, r3,r2, lsl #8
|
addhs r3, r3,r2, lsl #8
|
||||||
L_divide_b8:
|
.L_divide_b8:
|
||||||
cmp r1, r0, lsl #7
|
cmp r1, r0, lsl #7
|
||||||
subhs r1, r1,r0, lsl #7
|
subhs r1, r1,r0, lsl #7
|
||||||
addhs r3, r3,r2, lsl #7
|
addhs r3, r3,r2, lsl #7
|
||||||
L_divide_b7:
|
.L_divide_b7:
|
||||||
cmp r1, r0, lsl #6
|
cmp r1, r0, lsl #6
|
||||||
subhs r1, r1,r0, lsl #6
|
subhs r1, r1,r0, lsl #6
|
||||||
addhs r3, r3,r2, lsl #6
|
addhs r3, r3,r2, lsl #6
|
||||||
L_divide_b6:
|
.L_divide_b6:
|
||||||
cmp r1, r0, lsl #5
|
cmp r1, r0, lsl #5
|
||||||
subhs r1, r1,r0, lsl #5
|
subhs r1, r1,r0, lsl #5
|
||||||
addhs r3, r3,r2, lsl #5
|
addhs r3, r3,r2, lsl #5
|
||||||
L_divide_b5:
|
.L_divide_b5:
|
||||||
cmp r1, r0, lsl #4
|
cmp r1, r0, lsl #4
|
||||||
subhs r1, r1,r0, lsl #4
|
subhs r1, r1,r0, lsl #4
|
||||||
addhs r3, r3,r2, lsl #4
|
addhs r3, r3,r2, lsl #4
|
||||||
L_divide_b4:
|
.L_divide_b4:
|
||||||
cmp r1, r0, lsl #3
|
cmp r1, r0, lsl #3
|
||||||
subhs r1, r1,r0, lsl #3
|
subhs r1, r1,r0, lsl #3
|
||||||
addhs r3, r3,r2, lsl #3
|
addhs r3, r3,r2, lsl #3
|
||||||
L_divide_b3:
|
.L_divide_b3:
|
||||||
cmp r1, r0, lsl #2
|
cmp r1, r0, lsl #2
|
||||||
subhs r1, r1,r0, lsl #2
|
subhs r1, r1,r0, lsl #2
|
||||||
addhs r3, r3,r2, lsl #2
|
addhs r3, r3,r2, lsl #2
|
||||||
L_divide_b2:
|
.L_divide_b2:
|
||||||
cmp r1, r0, lsl #1
|
cmp r1, r0, lsl #1
|
||||||
subhs r1, r1,r0, lsl #1
|
subhs r1, r1,r0, lsl #1
|
||||||
addhs r3, r3,r2, lsl #1
|
addhs r3, r3,r2, lsl #1
|
||||||
L_divide_b1:
|
.L_divide_b1:
|
||||||
cmp r1, r0
|
cmp r1, r0
|
||||||
subhs r1, r1, r0
|
subhs r1, r1, r0
|
||||||
addhs r3, r3, r2
|
addhs r3, r3, r2
|
||||||
L_divide_b0:
|
.L_divide_b0:
|
||||||
|
|
||||||
tst ip, #0x20000000
|
tst ip, #0x20000000
|
||||||
bne L_udivide_l1
|
bne .L_udivide_l1
|
||||||
mov r0, r3
|
mov r0, r3
|
||||||
cmp ip, #0
|
cmp ip, #0
|
||||||
rsbmi r1, r1, #0
|
rsbmi r1, r1, #0
|
||||||
|
|
@ -394,7 +394,7 @@ L_divide_b0:
|
||||||
mov pc, lr
|
mov pc, lr
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
L_udivide_l1:
|
.L_udivide_l1:
|
||||||
tst ip, #0x10000000
|
tst ip, #0x10000000
|
||||||
mov r1, r1, lsl #1
|
mov r1, r1, lsl #1
|
||||||
orrne r1, r1, #1
|
orrne r1, r1, #1
|
||||||
|
|
|
||||||
|
|
@ -1,4 +1,4 @@
|
||||||
/* $NetBSD: memcpy.S,v 1.2 2001/11/20 00:29:20 chris Exp $ */
|
/* $NetBSD: memcpy.S,v 1.3 2002/08/15 18:30:36 briggs Exp $ */
|
||||||
|
|
||||||
/*-
|
/*-
|
||||||
* Copyright (c) 1997 The NetBSD Foundation, Inc.
|
* Copyright (c) 1997 The NetBSD Foundation, Inc.
|
||||||
|
|
@ -84,33 +84,33 @@ ENTRY_NP(memmove)
|
||||||
/* save leaf functions having to store this away */
|
/* save leaf functions having to store this away */
|
||||||
stmdb sp!, {r0, lr} /* memcpy() returns dest addr */
|
stmdb sp!, {r0, lr} /* memcpy() returns dest addr */
|
||||||
|
|
||||||
bcc Lmemcpy_backwards
|
bcc .Lmemcpy_backwards
|
||||||
|
|
||||||
/* start of forwards copy */
|
/* start of forwards copy */
|
||||||
subs r2, r2, #4
|
subs r2, r2, #4
|
||||||
blt Lmemcpy_fl4 /* less than 4 bytes */
|
blt .Lmemcpy_fl4 /* less than 4 bytes */
|
||||||
ands r12, r0, #3
|
ands r12, r0, #3
|
||||||
bne Lmemcpy_fdestul /* oh unaligned destination addr */
|
bne .Lmemcpy_fdestul /* oh unaligned destination addr */
|
||||||
ands r12, r1, #3
|
ands r12, r1, #3
|
||||||
bne Lmemcpy_fsrcul /* oh unaligned source addr */
|
bne .Lmemcpy_fsrcul /* oh unaligned source addr */
|
||||||
|
|
||||||
Lmemcpy_ft8:
|
.Lmemcpy_ft8:
|
||||||
/* We have aligned source and destination */
|
/* We have aligned source and destination */
|
||||||
subs r2, r2, #8
|
subs r2, r2, #8
|
||||||
blt Lmemcpy_fl12 /* less than 12 bytes (4 from above) */
|
blt .Lmemcpy_fl12 /* less than 12 bytes (4 from above) */
|
||||||
subs r2, r2, #0x14
|
subs r2, r2, #0x14
|
||||||
blt Lmemcpy_fl32 /* less than 32 bytes (12 from above) */
|
blt .Lmemcpy_fl32 /* less than 32 bytes (12 from above) */
|
||||||
stmdb sp!, {r4} /* borrow r4 */
|
stmdb sp!, {r4} /* borrow r4 */
|
||||||
|
|
||||||
/* blat 32 bytes at a time */
|
/* blat 32 bytes at a time */
|
||||||
/* XXX for really big copies perhaps we should use more registers */
|
/* XXX for really big copies perhaps we should use more registers */
|
||||||
Lmemcpy_floop32:
|
.Lmemcpy_floop32:
|
||||||
ldmia r1!, {r3, r4, r12, lr}
|
ldmia r1!, {r3, r4, r12, lr}
|
||||||
stmia r0!, {r3, r4, r12, lr}
|
stmia r0!, {r3, r4, r12, lr}
|
||||||
ldmia r1!, {r3, r4, r12, lr}
|
ldmia r1!, {r3, r4, r12, lr}
|
||||||
stmia r0!, {r3, r4, r12, lr}
|
stmia r0!, {r3, r4, r12, lr}
|
||||||
subs r2, r2, #0x20
|
subs r2, r2, #0x20
|
||||||
bge Lmemcpy_floop32
|
bge .Lmemcpy_floop32
|
||||||
|
|
||||||
cmn r2, #0x10
|
cmn r2, #0x10
|
||||||
ldmgeia r1!, {r3, r4, r12, lr} /* blat a remaining 16 bytes */
|
ldmgeia r1!, {r3, r4, r12, lr} /* blat a remaining 16 bytes */
|
||||||
|
|
@ -118,19 +118,19 @@ Lmemcpy_floop32:
|
||||||
subge r2, r2, #0x10
|
subge r2, r2, #0x10
|
||||||
ldmia sp!, {r4} /* return r4 */
|
ldmia sp!, {r4} /* return r4 */
|
||||||
|
|
||||||
Lmemcpy_fl32:
|
.Lmemcpy_fl32:
|
||||||
adds r2, r2, #0x14
|
adds r2, r2, #0x14
|
||||||
|
|
||||||
/* blat 12 bytes at a time */
|
/* blat 12 bytes at a time */
|
||||||
Lmemcpy_floop12:
|
.Lmemcpy_floop12:
|
||||||
ldmgeia r1!, {r3, r12, lr}
|
ldmgeia r1!, {r3, r12, lr}
|
||||||
stmgeia r0!, {r3, r12, lr}
|
stmgeia r0!, {r3, r12, lr}
|
||||||
subges r2, r2, #0x0c
|
subges r2, r2, #0x0c
|
||||||
bge Lmemcpy_floop12
|
bge .Lmemcpy_floop12
|
||||||
|
|
||||||
Lmemcpy_fl12:
|
.Lmemcpy_fl12:
|
||||||
adds r2, r2, #8
|
adds r2, r2, #8
|
||||||
blt Lmemcpy_fl4
|
blt .Lmemcpy_fl4
|
||||||
|
|
||||||
subs r2, r2, #4
|
subs r2, r2, #4
|
||||||
ldrlt r3, [r1], #4
|
ldrlt r3, [r1], #4
|
||||||
|
|
@ -139,7 +139,7 @@ Lmemcpy_fl12:
|
||||||
stmgeia r0!, {r3, r12}
|
stmgeia r0!, {r3, r12}
|
||||||
subge r2, r2, #4
|
subge r2, r2, #4
|
||||||
|
|
||||||
Lmemcpy_fl4:
|
.Lmemcpy_fl4:
|
||||||
/* less than 4 bytes to go */
|
/* less than 4 bytes to go */
|
||||||
adds r2, r2, #4
|
adds r2, r2, #4
|
||||||
#ifdef __APCS_26_
|
#ifdef __APCS_26_
|
||||||
|
|
@ -162,7 +162,7 @@ Lmemcpy_fl4:
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/* erg - unaligned destination */
|
/* erg - unaligned destination */
|
||||||
Lmemcpy_fdestul:
|
.Lmemcpy_fdestul:
|
||||||
rsb r12, r12, #4
|
rsb r12, r12, #4
|
||||||
cmp r12, #2
|
cmp r12, #2
|
||||||
|
|
||||||
|
|
@ -174,25 +174,25 @@ Lmemcpy_fdestul:
|
||||||
ldrgtb r3, [r1], #1
|
ldrgtb r3, [r1], #1
|
||||||
strgtb r3, [r0], #1
|
strgtb r3, [r0], #1
|
||||||
subs r2, r2, r12
|
subs r2, r2, r12
|
||||||
blt Lmemcpy_fl4 /* less the 4 bytes */
|
blt .Lmemcpy_fl4 /* less the 4 bytes */
|
||||||
|
|
||||||
ands r12, r1, #3
|
ands r12, r1, #3
|
||||||
beq Lmemcpy_ft8 /* we have an aligned source */
|
beq .Lmemcpy_ft8 /* we have an aligned source */
|
||||||
|
|
||||||
/* erg - unaligned source */
|
/* erg - unaligned source */
|
||||||
/* This is where it gets nasty ... */
|
/* This is where it gets nasty ... */
|
||||||
Lmemcpy_fsrcul:
|
.Lmemcpy_fsrcul:
|
||||||
bic r1, r1, #3
|
bic r1, r1, #3
|
||||||
ldr lr, [r1], #4
|
ldr lr, [r1], #4
|
||||||
cmp r12, #2
|
cmp r12, #2
|
||||||
bgt Lmemcpy_fsrcul3
|
bgt .Lmemcpy_fsrcul3
|
||||||
beq Lmemcpy_fsrcul2
|
beq .Lmemcpy_fsrcul2
|
||||||
cmp r2, #0x0c
|
cmp r2, #0x0c
|
||||||
blt Lmemcpy_fsrcul1loop4
|
blt .Lmemcpy_fsrcul1loop4
|
||||||
sub r2, r2, #0x0c
|
sub r2, r2, #0x0c
|
||||||
stmdb sp!, {r4, r5}
|
stmdb sp!, {r4, r5}
|
||||||
|
|
||||||
Lmemcpy_fsrcul1loop16:
|
.Lmemcpy_fsrcul1loop16:
|
||||||
mov r3, lr, lsr #8
|
mov r3, lr, lsr #8
|
||||||
ldmia r1!, {r4, r5, r12, lr}
|
ldmia r1!, {r4, r5, r12, lr}
|
||||||
orr r3, r3, r4, lsl #24
|
orr r3, r3, r4, lsl #24
|
||||||
|
|
@ -204,30 +204,30 @@ Lmemcpy_fsrcul1loop16:
|
||||||
orr r12, r12, lr, lsl #24
|
orr r12, r12, lr, lsl #24
|
||||||
stmia r0!, {r3-r5, r12}
|
stmia r0!, {r3-r5, r12}
|
||||||
subs r2, r2, #0x10
|
subs r2, r2, #0x10
|
||||||
bge Lmemcpy_fsrcul1loop16
|
bge .Lmemcpy_fsrcul1loop16
|
||||||
ldmia sp!, {r4, r5}
|
ldmia sp!, {r4, r5}
|
||||||
adds r2, r2, #0x0c
|
adds r2, r2, #0x0c
|
||||||
blt Lmemcpy_fsrcul1l4
|
blt .Lmemcpy_fsrcul1l4
|
||||||
|
|
||||||
Lmemcpy_fsrcul1loop4:
|
.Lmemcpy_fsrcul1loop4:
|
||||||
mov r12, lr, lsr #8
|
mov r12, lr, lsr #8
|
||||||
ldr lr, [r1], #4
|
ldr lr, [r1], #4
|
||||||
orr r12, r12, lr, lsl #24
|
orr r12, r12, lr, lsl #24
|
||||||
str r12, [r0], #4
|
str r12, [r0], #4
|
||||||
subs r2, r2, #4
|
subs r2, r2, #4
|
||||||
bge Lmemcpy_fsrcul1loop4
|
bge .Lmemcpy_fsrcul1loop4
|
||||||
|
|
||||||
Lmemcpy_fsrcul1l4:
|
.Lmemcpy_fsrcul1l4:
|
||||||
sub r1, r1, #3
|
sub r1, r1, #3
|
||||||
b Lmemcpy_fl4
|
b .Lmemcpy_fl4
|
||||||
|
|
||||||
Lmemcpy_fsrcul2:
|
.Lmemcpy_fsrcul2:
|
||||||
cmp r2, #0x0c
|
cmp r2, #0x0c
|
||||||
blt Lmemcpy_fsrcul2loop4
|
blt .Lmemcpy_fsrcul2loop4
|
||||||
sub r2, r2, #0x0c
|
sub r2, r2, #0x0c
|
||||||
stmdb sp!, {r4, r5}
|
stmdb sp!, {r4, r5}
|
||||||
|
|
||||||
Lmemcpy_fsrcul2loop16:
|
.Lmemcpy_fsrcul2loop16:
|
||||||
mov r3, lr, lsr #16
|
mov r3, lr, lsr #16
|
||||||
ldmia r1!, {r4, r5, r12, lr}
|
ldmia r1!, {r4, r5, r12, lr}
|
||||||
orr r3, r3, r4, lsl #16
|
orr r3, r3, r4, lsl #16
|
||||||
|
|
@ -239,30 +239,30 @@ Lmemcpy_fsrcul2loop16:
|
||||||
orr r12, r12, lr, lsl #16
|
orr r12, r12, lr, lsl #16
|
||||||
stmia r0!, {r3-r5, r12}
|
stmia r0!, {r3-r5, r12}
|
||||||
subs r2, r2, #0x10
|
subs r2, r2, #0x10
|
||||||
bge Lmemcpy_fsrcul2loop16
|
bge .Lmemcpy_fsrcul2loop16
|
||||||
ldmia sp!, {r4, r5}
|
ldmia sp!, {r4, r5}
|
||||||
adds r2, r2, #0x0c
|
adds r2, r2, #0x0c
|
||||||
blt Lmemcpy_fsrcul2l4
|
blt .Lmemcpy_fsrcul2l4
|
||||||
|
|
||||||
Lmemcpy_fsrcul2loop4:
|
.Lmemcpy_fsrcul2loop4:
|
||||||
mov r12, lr, lsr #16
|
mov r12, lr, lsr #16
|
||||||
ldr lr, [r1], #4
|
ldr lr, [r1], #4
|
||||||
orr r12, r12, lr, lsl #16
|
orr r12, r12, lr, lsl #16
|
||||||
str r12, [r0], #4
|
str r12, [r0], #4
|
||||||
subs r2, r2, #4
|
subs r2, r2, #4
|
||||||
bge Lmemcpy_fsrcul2loop4
|
bge .Lmemcpy_fsrcul2loop4
|
||||||
|
|
||||||
Lmemcpy_fsrcul2l4:
|
.Lmemcpy_fsrcul2l4:
|
||||||
sub r1, r1, #2
|
sub r1, r1, #2
|
||||||
b Lmemcpy_fl4
|
b .Lmemcpy_fl4
|
||||||
|
|
||||||
Lmemcpy_fsrcul3:
|
.Lmemcpy_fsrcul3:
|
||||||
cmp r2, #0x0c
|
cmp r2, #0x0c
|
||||||
blt Lmemcpy_fsrcul3loop4
|
blt .Lmemcpy_fsrcul3loop4
|
||||||
sub r2, r2, #0x0c
|
sub r2, r2, #0x0c
|
||||||
stmdb sp!, {r4, r5}
|
stmdb sp!, {r4, r5}
|
||||||
|
|
||||||
Lmemcpy_fsrcul3loop16:
|
.Lmemcpy_fsrcul3loop16:
|
||||||
mov r3, lr, lsr #24
|
mov r3, lr, lsr #24
|
||||||
ldmia r1!, {r4, r5, r12, lr}
|
ldmia r1!, {r4, r5, r12, lr}
|
||||||
orr r3, r3, r4, lsl #8
|
orr r3, r3, r4, lsl #8
|
||||||
|
|
@ -274,52 +274,52 @@ Lmemcpy_fsrcul3loop16:
|
||||||
orr r12, r12, lr, lsl #8
|
orr r12, r12, lr, lsl #8
|
||||||
stmia r0!, {r3-r5, r12}
|
stmia r0!, {r3-r5, r12}
|
||||||
subs r2, r2, #0x10
|
subs r2, r2, #0x10
|
||||||
bge Lmemcpy_fsrcul3loop16
|
bge .Lmemcpy_fsrcul3loop16
|
||||||
ldmia sp!, {r4, r5}
|
ldmia sp!, {r4, r5}
|
||||||
adds r2, r2, #0x0c
|
adds r2, r2, #0x0c
|
||||||
blt Lmemcpy_fsrcul3l4
|
blt .Lmemcpy_fsrcul3l4
|
||||||
|
|
||||||
Lmemcpy_fsrcul3loop4:
|
.Lmemcpy_fsrcul3loop4:
|
||||||
mov r12, lr, lsr #24
|
mov r12, lr, lsr #24
|
||||||
ldr lr, [r1], #4
|
ldr lr, [r1], #4
|
||||||
orr r12, r12, lr, lsl #8
|
orr r12, r12, lr, lsl #8
|
||||||
str r12, [r0], #4
|
str r12, [r0], #4
|
||||||
subs r2, r2, #4
|
subs r2, r2, #4
|
||||||
bge Lmemcpy_fsrcul3loop4
|
bge .Lmemcpy_fsrcul3loop4
|
||||||
|
|
||||||
Lmemcpy_fsrcul3l4:
|
.Lmemcpy_fsrcul3l4:
|
||||||
sub r1, r1, #1
|
sub r1, r1, #1
|
||||||
b Lmemcpy_fl4
|
b .Lmemcpy_fl4
|
||||||
|
|
||||||
Lmemcpy_backwards:
|
.Lmemcpy_backwards:
|
||||||
add r1, r1, r2
|
add r1, r1, r2
|
||||||
add r0, r0, r2
|
add r0, r0, r2
|
||||||
subs r2, r2, #4
|
subs r2, r2, #4
|
||||||
blt Lmemcpy_bl4 /* less than 4 bytes */
|
blt .Lmemcpy_bl4 /* less than 4 bytes */
|
||||||
ands r12, r0, #3
|
ands r12, r0, #3
|
||||||
bne Lmemcpy_bdestul /* oh unaligned destination addr */
|
bne .Lmemcpy_bdestul /* oh unaligned destination addr */
|
||||||
ands r12, r1, #3
|
ands r12, r1, #3
|
||||||
bne Lmemcpy_bsrcul /* oh unaligned source addr */
|
bne .Lmemcpy_bsrcul /* oh unaligned source addr */
|
||||||
|
|
||||||
Lmemcpy_bt8:
|
.Lmemcpy_bt8:
|
||||||
/* We have aligned source and destination */
|
/* We have aligned source and destination */
|
||||||
subs r2, r2, #8
|
subs r2, r2, #8
|
||||||
blt Lmemcpy_bl12 /* less than 12 bytes (4 from above) */
|
blt .Lmemcpy_bl12 /* less than 12 bytes (4 from above) */
|
||||||
stmdb sp!, {r4}
|
stmdb sp!, {r4}
|
||||||
subs r2, r2, #0x14 /* less than 32 bytes (12 from above) */
|
subs r2, r2, #0x14 /* less than 32 bytes (12 from above) */
|
||||||
blt Lmemcpy_bl32
|
blt .Lmemcpy_bl32
|
||||||
|
|
||||||
/* blat 32 bytes at a time */
|
/* blat 32 bytes at a time */
|
||||||
/* XXX for really big copies perhaps we should use more registers */
|
/* XXX for really big copies perhaps we should use more registers */
|
||||||
Lmemcpy_bloop32:
|
.Lmemcpy_bloop32:
|
||||||
ldmdb r1!, {r3, r4, r12, lr}
|
ldmdb r1!, {r3, r4, r12, lr}
|
||||||
stmdb r0!, {r3, r4, r12, lr}
|
stmdb r0!, {r3, r4, r12, lr}
|
||||||
ldmdb r1!, {r3, r4, r12, lr}
|
ldmdb r1!, {r3, r4, r12, lr}
|
||||||
stmdb r0!, {r3, r4, r12, lr}
|
stmdb r0!, {r3, r4, r12, lr}
|
||||||
subs r2, r2, #0x20
|
subs r2, r2, #0x20
|
||||||
bge Lmemcpy_bloop32
|
bge .Lmemcpy_bloop32
|
||||||
|
|
||||||
Lmemcpy_bl32:
|
.Lmemcpy_bl32:
|
||||||
cmn r2, #0x10
|
cmn r2, #0x10
|
||||||
ldmgedb r1!, {r3, r4, r12, lr} /* blat a remaining 16 bytes */
|
ldmgedb r1!, {r3, r4, r12, lr} /* blat a remaining 16 bytes */
|
||||||
stmgedb r0!, {r3, r4, r12, lr}
|
stmgedb r0!, {r3, r4, r12, lr}
|
||||||
|
|
@ -330,9 +330,9 @@ Lmemcpy_bl32:
|
||||||
subge r2, r2, #0x0c
|
subge r2, r2, #0x0c
|
||||||
ldmia sp!, {r4}
|
ldmia sp!, {r4}
|
||||||
|
|
||||||
Lmemcpy_bl12:
|
.Lmemcpy_bl12:
|
||||||
adds r2, r2, #8
|
adds r2, r2, #8
|
||||||
blt Lmemcpy_bl4
|
blt .Lmemcpy_bl4
|
||||||
subs r2, r2, #4
|
subs r2, r2, #4
|
||||||
ldrlt r3, [r1, #-4]!
|
ldrlt r3, [r1, #-4]!
|
||||||
strlt r3, [r0, #-4]!
|
strlt r3, [r0, #-4]!
|
||||||
|
|
@ -340,7 +340,7 @@ Lmemcpy_bl12:
|
||||||
stmgedb r0!, {r3, r12}
|
stmgedb r0!, {r3, r12}
|
||||||
subge r2, r2, #4
|
subge r2, r2, #4
|
||||||
|
|
||||||
Lmemcpy_bl4:
|
.Lmemcpy_bl4:
|
||||||
/* less than 4 bytes to go */
|
/* less than 4 bytes to go */
|
||||||
adds r2, r2, #4
|
adds r2, r2, #4
|
||||||
#ifdef __APCS_26__
|
#ifdef __APCS_26__
|
||||||
|
|
@ -364,7 +364,7 @@ Lmemcpy_bl4:
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/* erg - unaligned destination */
|
/* erg - unaligned destination */
|
||||||
Lmemcpy_bdestul:
|
.Lmemcpy_bdestul:
|
||||||
cmp r12, #2
|
cmp r12, #2
|
||||||
|
|
||||||
/* align destination with byte copies */
|
/* align destination with byte copies */
|
||||||
|
|
@ -375,24 +375,24 @@ Lmemcpy_bdestul:
|
||||||
ldrgtb r3, [r1, #-1]!
|
ldrgtb r3, [r1, #-1]!
|
||||||
strgtb r3, [r0, #-1]!
|
strgtb r3, [r0, #-1]!
|
||||||
subs r2, r2, r12
|
subs r2, r2, r12
|
||||||
blt Lmemcpy_bl4 /* less than 4 bytes to go */
|
blt .Lmemcpy_bl4 /* less than 4 bytes to go */
|
||||||
ands r12, r1, #3
|
ands r12, r1, #3
|
||||||
beq Lmemcpy_bt8 /* we have an aligned source */
|
beq .Lmemcpy_bt8 /* we have an aligned source */
|
||||||
|
|
||||||
/* erg - unaligned source */
|
/* erg - unaligned source */
|
||||||
/* This is where it gets nasty ... */
|
/* This is where it gets nasty ... */
|
||||||
Lmemcpy_bsrcul:
|
.Lmemcpy_bsrcul:
|
||||||
bic r1, r1, #3
|
bic r1, r1, #3
|
||||||
ldr r3, [r1, #0]
|
ldr r3, [r1, #0]
|
||||||
cmp r12, #2
|
cmp r12, #2
|
||||||
blt Lmemcpy_bsrcul1
|
blt .Lmemcpy_bsrcul1
|
||||||
beq Lmemcpy_bsrcul2
|
beq .Lmemcpy_bsrcul2
|
||||||
cmp r2, #0x0c
|
cmp r2, #0x0c
|
||||||
blt Lmemcpy_bsrcul3loop4
|
blt .Lmemcpy_bsrcul3loop4
|
||||||
sub r2, r2, #0x0c
|
sub r2, r2, #0x0c
|
||||||
stmdb sp!, {r4, r5}
|
stmdb sp!, {r4, r5}
|
||||||
|
|
||||||
Lmemcpy_bsrcul3loop16:
|
.Lmemcpy_bsrcul3loop16:
|
||||||
mov lr, r3, lsl #8
|
mov lr, r3, lsl #8
|
||||||
ldmdb r1!, {r3-r5, r12}
|
ldmdb r1!, {r3-r5, r12}
|
||||||
orr lr, lr, r12, lsr #24
|
orr lr, lr, r12, lsr #24
|
||||||
|
|
@ -404,30 +404,30 @@ Lmemcpy_bsrcul3loop16:
|
||||||
orr r4, r4, r3, lsr #24
|
orr r4, r4, r3, lsr #24
|
||||||
stmdb r0!, {r4, r5, r12, lr}
|
stmdb r0!, {r4, r5, r12, lr}
|
||||||
subs r2, r2, #0x10
|
subs r2, r2, #0x10
|
||||||
bge Lmemcpy_bsrcul3loop16
|
bge .Lmemcpy_bsrcul3loop16
|
||||||
ldmia sp!, {r4, r5}
|
ldmia sp!, {r4, r5}
|
||||||
adds r2, r2, #0x0c
|
adds r2, r2, #0x0c
|
||||||
blt Lmemcpy_bsrcul3l4
|
blt .Lmemcpy_bsrcul3l4
|
||||||
|
|
||||||
Lmemcpy_bsrcul3loop4:
|
.Lmemcpy_bsrcul3loop4:
|
||||||
mov r12, r3, lsl #8
|
mov r12, r3, lsl #8
|
||||||
ldr r3, [r1, #-4]!
|
ldr r3, [r1, #-4]!
|
||||||
orr r12, r12, r3, lsr #24
|
orr r12, r12, r3, lsr #24
|
||||||
str r12, [r0, #-4]!
|
str r12, [r0, #-4]!
|
||||||
subs r2, r2, #4
|
subs r2, r2, #4
|
||||||
bge Lmemcpy_bsrcul3loop4
|
bge .Lmemcpy_bsrcul3loop4
|
||||||
|
|
||||||
Lmemcpy_bsrcul3l4:
|
.Lmemcpy_bsrcul3l4:
|
||||||
add r1, r1, #3
|
add r1, r1, #3
|
||||||
b Lmemcpy_bl4
|
b .Lmemcpy_bl4
|
||||||
|
|
||||||
Lmemcpy_bsrcul2:
|
.Lmemcpy_bsrcul2:
|
||||||
cmp r2, #0x0c
|
cmp r2, #0x0c
|
||||||
blt Lmemcpy_bsrcul2loop4
|
blt .Lmemcpy_bsrcul2loop4
|
||||||
sub r2, r2, #0x0c
|
sub r2, r2, #0x0c
|
||||||
stmdb sp!, {r4, r5}
|
stmdb sp!, {r4, r5}
|
||||||
|
|
||||||
Lmemcpy_bsrcul2loop16:
|
.Lmemcpy_bsrcul2loop16:
|
||||||
mov lr, r3, lsl #16
|
mov lr, r3, lsl #16
|
||||||
ldmdb r1!, {r3-r5, r12}
|
ldmdb r1!, {r3-r5, r12}
|
||||||
orr lr, lr, r12, lsr #16
|
orr lr, lr, r12, lsr #16
|
||||||
|
|
@ -439,30 +439,30 @@ Lmemcpy_bsrcul2loop16:
|
||||||
orr r4, r4, r3, lsr #16
|
orr r4, r4, r3, lsr #16
|
||||||
stmdb r0!, {r4, r5, r12, lr}
|
stmdb r0!, {r4, r5, r12, lr}
|
||||||
subs r2, r2, #0x10
|
subs r2, r2, #0x10
|
||||||
bge Lmemcpy_bsrcul2loop16
|
bge .Lmemcpy_bsrcul2loop16
|
||||||
ldmia sp!, {r4, r5}
|
ldmia sp!, {r4, r5}
|
||||||
adds r2, r2, #0x0c
|
adds r2, r2, #0x0c
|
||||||
blt Lmemcpy_bsrcul2l4
|
blt .Lmemcpy_bsrcul2l4
|
||||||
|
|
||||||
Lmemcpy_bsrcul2loop4:
|
.Lmemcpy_bsrcul2loop4:
|
||||||
mov r12, r3, lsl #16
|
mov r12, r3, lsl #16
|
||||||
ldr r3, [r1, #-4]!
|
ldr r3, [r1, #-4]!
|
||||||
orr r12, r12, r3, lsr #16
|
orr r12, r12, r3, lsr #16
|
||||||
str r12, [r0, #-4]!
|
str r12, [r0, #-4]!
|
||||||
subs r2, r2, #4
|
subs r2, r2, #4
|
||||||
bge Lmemcpy_bsrcul2loop4
|
bge .Lmemcpy_bsrcul2loop4
|
||||||
|
|
||||||
Lmemcpy_bsrcul2l4:
|
.Lmemcpy_bsrcul2l4:
|
||||||
add r1, r1, #2
|
add r1, r1, #2
|
||||||
b Lmemcpy_bl4
|
b .Lmemcpy_bl4
|
||||||
|
|
||||||
Lmemcpy_bsrcul1:
|
.Lmemcpy_bsrcul1:
|
||||||
cmp r2, #0x0c
|
cmp r2, #0x0c
|
||||||
blt Lmemcpy_bsrcul1loop4
|
blt .Lmemcpy_bsrcul1loop4
|
||||||
sub r2, r2, #0x0c
|
sub r2, r2, #0x0c
|
||||||
stmdb sp!, {r4, r5}
|
stmdb sp!, {r4, r5}
|
||||||
|
|
||||||
Lmemcpy_bsrcul1loop32:
|
.Lmemcpy_bsrcul1loop32:
|
||||||
mov lr, r3, lsl #24
|
mov lr, r3, lsl #24
|
||||||
ldmdb r1!, {r3-r5, r12}
|
ldmdb r1!, {r3-r5, r12}
|
||||||
orr lr, lr, r12, lsr #8
|
orr lr, lr, r12, lsr #8
|
||||||
|
|
@ -474,20 +474,20 @@ Lmemcpy_bsrcul1loop32:
|
||||||
orr r4, r4, r3, lsr #8
|
orr r4, r4, r3, lsr #8
|
||||||
stmdb r0!, {r4, r5, r12, lr}
|
stmdb r0!, {r4, r5, r12, lr}
|
||||||
subs r2, r2, #0x10
|
subs r2, r2, #0x10
|
||||||
bge Lmemcpy_bsrcul1loop32
|
bge .Lmemcpy_bsrcul1loop32
|
||||||
ldmia sp!, {r4, r5}
|
ldmia sp!, {r4, r5}
|
||||||
adds r2, r2, #0x0c
|
adds r2, r2, #0x0c
|
||||||
blt Lmemcpy_bsrcul1l4
|
blt .Lmemcpy_bsrcul1l4
|
||||||
|
|
||||||
Lmemcpy_bsrcul1loop4:
|
.Lmemcpy_bsrcul1loop4:
|
||||||
mov r12, r3, lsl #24
|
mov r12, r3, lsl #24
|
||||||
ldr r3, [r1, #-4]!
|
ldr r3, [r1, #-4]!
|
||||||
orr r12, r12, r3, lsr #8
|
orr r12, r12, r3, lsr #8
|
||||||
str r12, [r0, #-4]!
|
str r12, [r0, #-4]!
|
||||||
subs r2, r2, #4
|
subs r2, r2, #4
|
||||||
bge Lmemcpy_bsrcul1loop4
|
bge .Lmemcpy_bsrcul1loop4
|
||||||
|
|
||||||
Lmemcpy_bsrcul1l4:
|
.Lmemcpy_bsrcul1l4:
|
||||||
add r1, r1, #1
|
add r1, r1, #1
|
||||||
b Lmemcpy_bl4
|
b .Lmemcpy_bl4
|
||||||
|
|
||||||
|
|
|
||||||
|
|
@ -1,4 +1,4 @@
|
||||||
/* $NetBSD: memset.S,v 1.1 2000/12/29 20:51:57 bjh21 Exp $ */
|
/* $NetBSD: memset.S,v 1.2 2002/08/15 18:30:36 briggs Exp $ */
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Copyright (c) 1995 Mark Brinicombe.
|
* Copyright (c) 1995 Mark Brinicombe.
|
||||||
|
|
@ -51,12 +51,12 @@ ENTRY(memset)
|
||||||
and r1, r1, #0x000000ff /* We write bytes */
|
and r1, r1, #0x000000ff /* We write bytes */
|
||||||
|
|
||||||
cmp r2, #0x00000004 /* Do we have less than 4 bytes */
|
cmp r2, #0x00000004 /* Do we have less than 4 bytes */
|
||||||
blt Lmemset_lessthanfour
|
blt .Lmemset_lessthanfour
|
||||||
|
|
||||||
/* Ok first we will word align the address */
|
/* Ok first we will word align the address */
|
||||||
|
|
||||||
ands r3, r0, #0x00000003 /* Get the bottom two bits */
|
ands r3, r0, #0x00000003 /* Get the bottom two bits */
|
||||||
beq Lmemset_addraligned /* The address is word aligned */
|
beq .Lmemset_addraligned /* The address is word aligned */
|
||||||
|
|
||||||
rsb r3, r3, #0x00000004
|
rsb r3, r3, #0x00000004
|
||||||
sub r2, r2, r3
|
sub r2, r2, r3
|
||||||
|
|
@ -66,11 +66,11 @@ ENTRY(memset)
|
||||||
strgtb r1, [r0], #0x0001 /* and a third */
|
strgtb r1, [r0], #0x0001 /* and a third */
|
||||||
|
|
||||||
cmp r2, #0x00000004
|
cmp r2, #0x00000004
|
||||||
blt Lmemset_lessthanfour
|
blt .Lmemset_lessthanfour
|
||||||
|
|
||||||
/* Now we must be word aligned */
|
/* Now we must be word aligned */
|
||||||
|
|
||||||
Lmemset_addraligned:
|
.Lmemset_addraligned:
|
||||||
|
|
||||||
orr r3, r1, r1, lsl #8 /* Repeat the byte into a word */
|
orr r3, r1, r1, lsl #8 /* Repeat the byte into a word */
|
||||||
orr r3, r3, r3, lsl #16
|
orr r3, r3, r3, lsl #16
|
||||||
|
|
@ -78,7 +78,7 @@ Lmemset_addraligned:
|
||||||
/* We know we have at least 4 bytes ... */
|
/* We know we have at least 4 bytes ... */
|
||||||
|
|
||||||
cmp r2, #0x00000020 /* If less than 32 then use words */
|
cmp r2, #0x00000020 /* If less than 32 then use words */
|
||||||
blt Lmemset_lessthan32
|
blt .Lmemset_lessthan32
|
||||||
|
|
||||||
/* We have at least 32 so lets use quad words */
|
/* We have at least 32 so lets use quad words */
|
||||||
|
|
||||||
|
|
@ -87,32 +87,32 @@ Lmemset_addraligned:
|
||||||
mov r5, r3
|
mov r5, r3
|
||||||
mov r6, r3
|
mov r6, r3
|
||||||
|
|
||||||
Lmemset_loop16:
|
.Lmemset_loop16:
|
||||||
stmia r0!, {r3-r6} /* Store 16 bytes */
|
stmia r0!, {r3-r6} /* Store 16 bytes */
|
||||||
sub r2, r2, #0x00000010 /* Adjust count */
|
sub r2, r2, #0x00000010 /* Adjust count */
|
||||||
cmp r2, #0x00000010 /* Still got at least 16 bytes ? */
|
cmp r2, #0x00000010 /* Still got at least 16 bytes ? */
|
||||||
bgt Lmemset_loop16
|
bgt .Lmemset_loop16
|
||||||
|
|
||||||
ldmfd sp!, {r4-r6} /* Restore registers */
|
ldmfd sp!, {r4-r6} /* Restore registers */
|
||||||
|
|
||||||
/* Do we need to set some words as well ? */
|
/* Do we need to set some words as well ? */
|
||||||
|
|
||||||
cmp r2, #0x00000004
|
cmp r2, #0x00000004
|
||||||
blt Lmemset_lessthanfour
|
blt .Lmemset_lessthanfour
|
||||||
|
|
||||||
/* Have either less than 16 or less than 32 depending on route taken */
|
/* Have either less than 16 or less than 32 depending on route taken */
|
||||||
|
|
||||||
Lmemset_lessthan32:
|
.Lmemset_lessthan32:
|
||||||
|
|
||||||
/* We have at least 4 bytes so copy as words */
|
/* We have at least 4 bytes so copy as words */
|
||||||
|
|
||||||
Lmemset_loop4:
|
.Lmemset_loop4:
|
||||||
str r3, [r0], #0x0004
|
str r3, [r0], #0x0004
|
||||||
sub r2, r2, #0x0004
|
sub r2, r2, #0x0004
|
||||||
cmp r2, #0x00000004
|
cmp r2, #0x00000004
|
||||||
bge Lmemset_loop4
|
bge .Lmemset_loop4
|
||||||
|
|
||||||
Lmemset_lessthanfour:
|
.Lmemset_lessthanfour:
|
||||||
cmp r2, #0x00000000
|
cmp r2, #0x00000000
|
||||||
ldmeqfd sp!, {r0}
|
ldmeqfd sp!, {r0}
|
||||||
#ifdef __APCS_26__
|
#ifdef __APCS_26__
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue