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| /* SPDX-License-Identifier: GPL-2.0-or-later */
| /*
| * arch/ia64/lib/xor.S
| *
| * Optimized RAID-5 checksumming functions for IA-64.
| */
|
| #include <asm/asmmacro.h>
| #include <asm/export.h>
|
| GLOBAL_ENTRY(xor_ia64_2)
| .prologue
| .fframe 0
| .save ar.pfs, r31
| alloc r31 = ar.pfs, 3, 0, 13, 16
| .save ar.lc, r30
| mov r30 = ar.lc
| .save pr, r29
| mov r29 = pr
| ;;
| .body
| mov r8 = in1
| mov ar.ec = 6 + 2
| shr in0 = in0, 3
| ;;
| adds in0 = -1, in0
| mov r16 = in1
| mov r17 = in2
| ;;
| mov ar.lc = in0
| mov pr.rot = 1 << 16
| ;;
| .rotr s1[6+1], s2[6+1], d[2]
| .rotp p[6+2]
| 0:
| (p[0]) ld8.nta s1[0] = [r16], 8
| (p[0]) ld8.nta s2[0] = [r17], 8
| (p[6]) xor d[0] = s1[6], s2[6]
| (p[6+1])st8.nta [r8] = d[1], 8
| nop.f 0
| br.ctop.dptk.few 0b
| ;;
| mov ar.lc = r30
| mov pr = r29, -1
| br.ret.sptk.few rp
| END(xor_ia64_2)
| EXPORT_SYMBOL(xor_ia64_2)
|
| GLOBAL_ENTRY(xor_ia64_3)
| .prologue
| .fframe 0
| .save ar.pfs, r31
| alloc r31 = ar.pfs, 4, 0, 20, 24
| .save ar.lc, r30
| mov r30 = ar.lc
| .save pr, r29
| mov r29 = pr
| ;;
| .body
| mov r8 = in1
| mov ar.ec = 6 + 2
| shr in0 = in0, 3
| ;;
| adds in0 = -1, in0
| mov r16 = in1
| mov r17 = in2
| ;;
| mov r18 = in3
| mov ar.lc = in0
| mov pr.rot = 1 << 16
| ;;
| .rotr s1[6+1], s2[6+1], s3[6+1], d[2]
| .rotp p[6+2]
| 0:
| (p[0]) ld8.nta s1[0] = [r16], 8
| (p[0]) ld8.nta s2[0] = [r17], 8
| (p[6]) xor d[0] = s1[6], s2[6]
| ;;
| (p[0]) ld8.nta s3[0] = [r18], 8
| (p[6+1])st8.nta [r8] = d[1], 8
| (p[6]) xor d[0] = d[0], s3[6]
| br.ctop.dptk.few 0b
| ;;
| mov ar.lc = r30
| mov pr = r29, -1
| br.ret.sptk.few rp
| END(xor_ia64_3)
| EXPORT_SYMBOL(xor_ia64_3)
|
| GLOBAL_ENTRY(xor_ia64_4)
| .prologue
| .fframe 0
| .save ar.pfs, r31
| alloc r31 = ar.pfs, 5, 0, 27, 32
| .save ar.lc, r30
| mov r30 = ar.lc
| .save pr, r29
| mov r29 = pr
| ;;
| .body
| mov r8 = in1
| mov ar.ec = 6 + 2
| shr in0 = in0, 3
| ;;
| adds in0 = -1, in0
| mov r16 = in1
| mov r17 = in2
| ;;
| mov r18 = in3
| mov ar.lc = in0
| mov pr.rot = 1 << 16
| mov r19 = in4
| ;;
| .rotr s1[6+1], s2[6+1], s3[6+1], s4[6+1], d[2]
| .rotp p[6+2]
| 0:
| (p[0]) ld8.nta s1[0] = [r16], 8
| (p[0]) ld8.nta s2[0] = [r17], 8
| (p[6]) xor d[0] = s1[6], s2[6]
| (p[0]) ld8.nta s3[0] = [r18], 8
| (p[0]) ld8.nta s4[0] = [r19], 8
| (p[6]) xor r20 = s3[6], s4[6]
| ;;
| (p[6+1])st8.nta [r8] = d[1], 8
| (p[6]) xor d[0] = d[0], r20
| br.ctop.dptk.few 0b
| ;;
| mov ar.lc = r30
| mov pr = r29, -1
| br.ret.sptk.few rp
| END(xor_ia64_4)
| EXPORT_SYMBOL(xor_ia64_4)
|
| GLOBAL_ENTRY(xor_ia64_5)
| .prologue
| .fframe 0
| .save ar.pfs, r31
| alloc r31 = ar.pfs, 6, 0, 34, 40
| .save ar.lc, r30
| mov r30 = ar.lc
| .save pr, r29
| mov r29 = pr
| ;;
| .body
| mov r8 = in1
| mov ar.ec = 6 + 2
| shr in0 = in0, 3
| ;;
| adds in0 = -1, in0
| mov r16 = in1
| mov r17 = in2
| ;;
| mov r18 = in3
| mov ar.lc = in0
| mov pr.rot = 1 << 16
| mov r19 = in4
| mov r20 = in5
| ;;
| .rotr s1[6+1], s2[6+1], s3[6+1], s4[6+1], s5[6+1], d[2]
| .rotp p[6+2]
| 0:
| (p[0]) ld8.nta s1[0] = [r16], 8
| (p[0]) ld8.nta s2[0] = [r17], 8
| (p[6]) xor d[0] = s1[6], s2[6]
| (p[0]) ld8.nta s3[0] = [r18], 8
| (p[0]) ld8.nta s4[0] = [r19], 8
| (p[6]) xor r21 = s3[6], s4[6]
| ;;
| (p[0]) ld8.nta s5[0] = [r20], 8
| (p[6+1])st8.nta [r8] = d[1], 8
| (p[6]) xor d[0] = d[0], r21
| ;;
| (p[6]) xor d[0] = d[0], s5[6]
| nop.f 0
| br.ctop.dptk.few 0b
| ;;
| mov ar.lc = r30
| mov pr = r29, -1
| br.ret.sptk.few rp
| END(xor_ia64_5)
| EXPORT_SYMBOL(xor_ia64_5)
|
|
