From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- arch/ia64/lib/xor.S | 181 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 181 insertions(+) create mode 100644 arch/ia64/lib/xor.S (limited to 'arch/ia64/lib/xor.S') diff --git a/arch/ia64/lib/xor.S b/arch/ia64/lib/xor.S new file mode 100644 index 000000000..5413dafe6 --- /dev/null +++ b/arch/ia64/lib/xor.S @@ -0,0 +1,181 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * arch/ia64/lib/xor.S + * + * Optimized RAID-5 checksumming functions for IA-64. + */ + +#include +#include + +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) -- cgit v1.2.3