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