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Annotation of OpenXM_contrib/gmp/mpn/powerpc32/sqr_diagonal.asm, Revision 1.1

1.1     ! ohara       1: dnl PowerPC-32 mpn_sqr_diagonal.
        !             2:
        !             3: dnl Copyright 2001, 2002 Free Software Foundation, Inc.
        !             4:
        !             5: dnl This file is part of the GNU MP Library.
        !             6:
        !             7: dnl The GNU MP Library is free software; you can redistribute it and/or modify
        !             8: dnl it under the terms of the GNU Lesser General Public License as published by
        !             9: dnl the Free Software Foundation; either version 2.1 of the License, or (at your
        !            10: dnl option) any later version.
        !            11:
        !            12: dnl The GNU MP Library is distributed in the hope that it will be useful, but
        !            13: dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
        !            14: dnl or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
        !            15: dnl License for more details.
        !            16:
        !            17: dnl You should have received a copy of the GNU Lesser General Public License
        !            18: dnl along with the GNU MP Library; see the file COPYING.LIB.  If not, write to
        !            19: dnl the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
        !            20: dnl MA 02111-1307, USA.
        !            21:
        !            22:
        !            23: dnl INPUT PARAMETERS
        !            24: dnl res_ptr    r3
        !            25: dnl s1_ptr     r4
        !            26: dnl size       r5
        !            27:
        !            28: dnl This runs at 4 cycles/limb on the PPC604.  That's saturating the multiply
        !            29: dnl unit.
        !            30:
        !            31: include(`../config.m4')
        !            32:
        !            33: ASM_START()
        !            34: PROLOGUE(mpn_sqr_diagonal)
        !            35:        lwz     r6,0(r4)
        !            36:        mtctr   r5
        !            37:
        !            38:        addi    r3,r3,-4
        !            39:        bdz     L(end1)
        !            40:
        !            41:        lwzu    r7,4(r4)
        !            42:        mullw   r9,r6,r6
        !            43:        mulhwu  r11,r6,r6
        !            44:        bdz     L(end2)
        !            45:
        !            46:        lwzu    r6,4(r4)
        !            47:        mullw   r8,r7,r7
        !            48:        mulhwu  r10,r7,r7
        !            49:        bdz     L(ende)
        !            50:
        !            51: L(oop):        lwzu    r7,4(r4)
        !            52:        stw     r9,4(r3)
        !            53:        mullw   r9,r6,r6
        !            54:        stwu    r11,8(r3)
        !            55:        mulhwu  r11,r6,r6
        !            56:        bdz     L(endo)
        !            57:        lwzu    r6,4(r4)
        !            58:        stw     r8,4(r3)
        !            59:        mullw   r8,r7,r7
        !            60:        stwu    r10,8(r3)
        !            61:        mulhwu  r10,r7,r7
        !            62:        bdnz    L(oop)
        !            63:
        !            64: L(ende):
        !            65:        stw     r9,4(r3)
        !            66:        mullw   r9,r6,r6
        !            67:        stw     r11,8(r3)
        !            68:        mulhwu  r11,r6,r6
        !            69:        stw     r8,12(r3)
        !            70:        stw     r10,16(r3)
        !            71:        stw     r9,20(r3)
        !            72:        stw     r11,24(r3)
        !            73:        blr
        !            74: L(endo):
        !            75:        stw     r8,4(r3)
        !            76:        mullw   r8,r7,r7
        !            77:        stw     r10,8(r3)
        !            78:        mulhwu  r10,r7,r7
        !            79:        stw     r9,12(r3)
        !            80:        stw     r11,16(r3)
        !            81:        stw     r8,20(r3)
        !            82:        stw     r10,24(r3)
        !            83:        blr
        !            84:
        !            85: L(end2):
        !            86:        mullw   r8,r7,r7
        !            87:        stw     r9,4(r3)
        !            88:        mulhwu  r10,r7,r7
        !            89:        stw     r11,8(r3)
        !            90:        stw     r8,12(r3)
        !            91:        stw     r10,16(r3)
        !            92:        blr
        !            93: L(end1):
        !            94:        mullw   r9,r6,r6
        !            95:        mulhwu  r11,r6,r6
        !            96:        stw     r9,4(r3)
        !            97:        stw     r11,8(r3)
        !            98:        blr
        !            99: EPILOGUE(mpn_sqr_diagonal)