X-Git-Url: https://oss.titaniummirror.com/gitweb/?a=blobdiff_plain;f=gmp%2Fmpn%2Fsparc32%2Fv8%2Fmul_1.asm;fp=gmp%2Fmpn%2Fsparc32%2Fv8%2Fmul_1.asm;h=d428debf1541d13661bd99d02031537fcb8d31e2;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=0000000000000000000000000000000000000000;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git diff --git a/gmp/mpn/sparc32/v8/mul_1.asm b/gmp/mpn/sparc32/v8/mul_1.asm new file mode 100644 index 00000000..d428debf --- /dev/null +++ b/gmp/mpn/sparc32/v8/mul_1.asm @@ -0,0 +1,101 @@ +dnl SPARC v8 mpn_mul_1 -- Multiply a limb vector with a single limb and +dnl store the product in a second limb vector. + +dnl Copyright 1992, 1994, 1995, 2000 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 INPUT PARAMETERS +C res_ptr o0 +C s1_ptr o1 +C size o2 +C s2_limb o3 + +ASM_START() +PROLOGUE(mpn_mul_1) + sll %o2,4,%g1 + and %g1,(4-1)<<4,%g1 +ifdef(`PIC', +` mov %o7,%g4 C Save return address register +0: call 1f + add %o7,L(1)-0b,%g3 +1: mov %g4,%o7 C Restore return address register +', +` sethi %hi(L(1)),%g3 + or %g3,%lo(L(1)),%g3 +') + jmp %g3+%g1 + ld [%o1+0],%o4 C 1 +L(1): +L(L00): add %o0,-4,%o0 + add %o1,-4,%o1 + b L(loop00) C 4, 8, 12, ... + orcc %g0,%g0,%g2 +L(L01): b L(loop01) C 1, 5, 9, ... + orcc %g0,%g0,%g2 + nop + nop +L(L10): add %o0,-12,%o0 C 2, 6, 10, ... + add %o1,4,%o1 + b L(loop10) + orcc %g0,%g0,%g2 + nop +L(L11): add %o0,-8,%o0 C 3, 7, 11, ... + add %o1,-8,%o1 + b L(loop11) + orcc %g0,%g0,%g2 + +L(loop): + addcc %g3,%g2,%g3 C 1 + ld [%o1+4],%o4 C 2 + st %g3,[%o0+0] C 1 + rd %y,%g2 C 1 +L(loop00): + umul %o4,%o3,%g3 C 2 + addxcc %g3,%g2,%g3 C 2 + ld [%o1+8],%o4 C 3 + st %g3,[%o0+4] C 2 + rd %y,%g2 C 2 +L(loop11): + umul %o4,%o3,%g3 C 3 + addxcc %g3,%g2,%g3 C 3 + ld [%o1+12],%o4 C 4 + add %o1,16,%o1 + st %g3,[%o0+8] C 3 + rd %y,%g2 C 3 +L(loop10): + umul %o4,%o3,%g3 C 4 + addxcc %g3,%g2,%g3 C 4 + ld [%o1+0],%o4 C 1 + st %g3,[%o0+12] C 4 + add %o0,16,%o0 + rd %y,%g2 C 4 + addx %g0,%g2,%g2 +L(loop01): + addcc %o2,-4,%o2 + bg L(loop) + umul %o4,%o3,%g3 C 1 + + addcc %g3,%g2,%g3 C 4 + st %g3,[%o0+0] C 4 + rd %y,%g2 C 4 + + retl + addx %g0,%g2,%o0 +EPILOGUE(mpn_mul_1)