Imported gcc-4.4.3

[msp430-gcc.git] / gmp / mpn / alpha / ev6 / sqr_diagonal.asm

diff --git a/gmp/mpn/alpha/ev6/sqr_diagonal.asm b/gmp/mpn/alpha/ev6/sqr_diagonal.asm
new file mode 100644 (file)
index 0000000..58d086e
--- /dev/null
+++ b/gmp/mpn/alpha/ev6/sqr_diagonal.asm
@@ -0,0 +1,115 @@
+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()