78 lines
4.5 KiB
C
78 lines
4.5 KiB
C
/***********************************************************************/
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/* */
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/* Objective Caml */
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/* */
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/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
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/* */
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/* Copyright 2003 Institut National de Recherche en Informatique et */
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/* en Automatique. All rights reserved. This file is distributed */
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/* under the terms of the GNU Library General Public License, with */
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/* the special exception on linking described in file ../../LICENSE. */
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/* */
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/***********************************************************************/
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/* $Id$ */
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/* Code specific to the SPARC (V8 and above) architecture. */
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#define BngAdd2(res,carryout,arg1,arg2) \
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asm("addcc %2, %3, %0 \n\t" \
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"addx %%g0, 0, %1" \
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: "=r" (res), "=r" (carryout) \
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: "r" (arg1), "r" (arg2) \
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: "cc")
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#define BngAdd2Carry(res,carryout,arg1,arg2,carryin) \
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asm("subcc %%g0, %4, %%g0 \n\t" \
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"addxcc %2, %3, %0 \n\t" \
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"addx %%g0, 0, %1" \
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: "=r" (res), "=r" (carryout) \
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: "r" (arg1), "r" (arg2), "r" (carryin) \
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: "cc")
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#define BngAdd3(res,carryaccu,arg1,arg2,arg3) \
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asm("addcc %2, %3, %0 \n\t" \
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"addx %1, 0, %1 \n\t" \
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"addcc %0, %4, %0 \n\t" \
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"addx %1, 0, %1" \
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: "=r" (res), "=r" (carryaccu) \
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: "r" (arg1), "r" (arg2), "r" (arg3), "1" (carryaccu) \
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: "cc")
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#define BngSub2(res,carryout,arg1,arg2) \
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asm("subcc %2, %3, %0 \n\t" \
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"addx %%g0, 0, %1" \
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: "=r" (res), "=r" (carryout) \
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: "r" (arg1), "r" (arg2) \
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: "cc")
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#define BngSub2Carry(res,carryout,arg1,arg2,carryin) \
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asm("subcc %%g0, %4, %%g0 \n\t" \
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"subxcc %2, %3, %0 \n\t" \
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"addx %%g0, 0, %1" \
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: "=r" (res), "=r" (carryout) \
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: "r" (arg1), "r" (arg2), "r" (carryin) \
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: "cc")
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#define BngSub3(res,carryaccu,arg1,arg2,arg3) \
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asm("subcc %2, %3, %0 \n\t" \
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"addx %1, 0, %1 \n\t" \
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"subcc %0, %4, %0 \n\t" \
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"addx %1, 0, %1" \
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: "=r" (res), "=r" (carryaccu) \
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: "r" (arg1), "r" (arg2), "r" (arg3), "1" (carryaccu) \
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: "cc")
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#define BngMult(resh,resl,arg1,arg2) \
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asm("umul %2, %3, %0 \n\t" \
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"rd %%y, %1" \
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: "=r" (resl), "=r" (resh) \
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: "r" (arg1), "r" (arg2))
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#define BngDiv(quo,rem,nh,nl,d) \
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asm("wr %1, %%y \n\t" \
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"udiv %2, %3, %0" \
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: "=r" (quo) \
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: "r" (nh), "r" (nl), "r" (d)); \
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rem = nl - d * quo
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