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dnl Alpha mpn_sqr_diagonal.
dnl Copyright 2001, 2002, 2006 Free Software Foundation, Inc.
dnl This file is part of the GNU MP Library.
dnl The GNU MP Library is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU Lesser General Public License as published
dnl by the Free Software Foundation; either version 3 of the License, or (at
dnl your option) any later version.
dnl The GNU MP Library is distributed in the hope that it will be useful, but
dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
dnl License for more details.
dnl You should have received a copy of the GNU Lesser General Public License
dnl along with the GNU MP Library. If not, see http://www.gnu.org/licenses/.
include(`../config.m4')
C cycles/limb
C EV4: ?
C EV5: ?
C EV6: 2.3
C INPUT PARAMETERS
C rp r16
C up r17
C n r18
ASM_START()
PROLOGUE(mpn_sqr_diagonal)
lda r18, -2(r18) C n -= 2
ldq r0, 0(r17)
mulq r0, r0, r4
umulh r0, r0, r20
blt r18, L(ex1)
ldq r1, 8(r17)
mulq r1, r1, r5
umulh r1, r1, r21
beq r18, L(ex2)
lda r18, -2(r18) C n -= 2
ldq r0, 16(r17)
blt r18, L(ex3)
ldq r1, 24(r17)
beq r18, L(ex4)
ALIGN(16)
L(top): lda r18, -2(r18) C n -= 2
stq r4, 0(r16)
mulq r0, r0, r4
stq r20, 8(r16)
umulh r0, r0, r20
ldq r0, 32(r17)
blt r18, L(x)
stq r5, 16(r16)
mulq r1, r1, r5
stq r21, 24(r16)
umulh r1, r1, r21
ldq r1, 40(r17)
lda r16, 32(r16) C rp += 4
lda r17, 16(r17) C up += 2
bne r18, L(top)
ALIGN(16)
L(ex4): stq r4, 0(r16)
mulq r0, r0, r4
stq r20, 8(r16)
umulh r0, r0, r20
stq r5, 16(r16)
mulq r1, r1, r5
stq r21, 24(r16)
umulh r1, r1, r21
stq r4, 32(r16)
stq r20, 40(r16)
stq r5, 48(r16)
stq r21, 56(r16)
ret r31, (r26), 1
ALIGN(16)
L(x): stq r5, 16(r16)
mulq r1, r1, r5
stq r21, 24(r16)
umulh r1, r1, r21
stq r4, 32(r16)
mulq r0, r0, r4
stq r20, 40(r16)
umulh r0, r0, r20
stq r5, 48(r16)
stq r21, 56(r16)
stq r4, 64(r16)
stq r20, 72(r16)
ret r31, (r26), 1
L(ex1): stq r4, 0(r16)
stq r20, 8(r16)
ret r31, (r26), 1
ALIGN(16)
L(ex2): stq r4, 0(r16)
stq r20, 8(r16)
stq r5, 16(r16)
stq r21, 24(r16)
ret r31, (r26), 1
ALIGN(16)
L(ex3): stq r4, 0(r16)
mulq r0, r0, r4
stq r20, 8(r16)
umulh r0, r0, r20
stq r5, 16(r16)
stq r21, 24(r16)
stq r4, 32(r16)
stq r20, 40(r16)
ret r31, (r26), 1
EPILOGUE()
ASM_END()
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