Imported gcc-4.4.3

[msp430-gcc.git] / gmp / mpn / sparc64 / submul_1.asm

diff --git a/gmp/mpn/sparc64/submul_1.asm b/gmp/mpn/sparc64/submul_1.asm
new file mode 100644 (file)
index 0000000..ba91200
--- /dev/null
+++ b/gmp/mpn/sparc64/submul_1.asm
@@ -0,0 +1,57 @@
+dnl  SPARC v9 64-bit mpn_submul_1 -- Multiply a limb vector with a limb and
+dnl  subtract the result from a second limb vector.
+
+dnl  Copyright 2001, 2002, 2003 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 UltraSPARC 1&2:     18
+C UltraSPARC 3:              23
+
+C INPUT PARAMETERS
+C rp   i0
+C up   i1
+C n    i2
+C v    i3
+
+ASM_START()
+       REGISTER(%g2,#scratch)
+
+PROLOGUE(mpn_submul_1)
+       save    %sp,-176,%sp
+
+       sllx    %i2, 3, %g2
+       or      %g0, %i1, %o1
+       add     %g2, 15, %o0
+       or      %g0, %i2, %o2
+       and     %o0, -16, %o0
+       sub     %sp, %o0, %sp
+       add     %sp, 2223, %o0
+       or      %g0, %o0, %l0
+       call    mpn_mul_1
+       or      %g0, %i3, %o3
+       or      %g0, %o0, %l1           C preserve carry value from mpn_mul_1
+       or      %g0, %i0, %o0
+       or      %g0, %i0, %o1
+       or      %g0, %l0, %o2
+       call    mpn_sub_n
+       or      %g0, %i2, %o3
+       ret
+       restore %l1, %o0, %o0           C sum carry values
+EPILOGUE(mpn_submul_1)