qemu-e2k/target/openrisc/helper.h
Richard Henderson 762e22edcd target/openrisc: Fix madd
Note that the specification for lf.madd.s is confused.  It's
the only mention of supposed FPMADDHI/FPMADDLO special registers.
On the other hand, or1ksim implements a somewhat normal non-fused
multiply and add.  Mirror that.

Reviewed-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Signed-off-by: Richard Henderson <rth@twiddle.net>
2017-02-14 08:15:00 +11:00

62 lines
2.1 KiB
C

/*
* OpenRISC helper defines
*
* Copyright (c) 2011-2012 Jia Liu <proljc@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
/* exception */
DEF_HELPER_FLAGS_2(exception, TCG_CALL_NO_WG, void, env, i32)
DEF_HELPER_FLAGS_1(ove_cy, TCG_CALL_NO_WG, void, env)
DEF_HELPER_FLAGS_1(ove_ov, TCG_CALL_NO_WG, void, env)
DEF_HELPER_FLAGS_1(ove_cyov, TCG_CALL_NO_WG, void, env)
/* float */
DEF_HELPER_FLAGS_2(itofd, TCG_CALL_NO_WG, i64, env, i64)
DEF_HELPER_FLAGS_2(itofs, TCG_CALL_NO_WG, i32, env, i32)
DEF_HELPER_FLAGS_2(ftoid, TCG_CALL_NO_WG, i64, env, i64)
DEF_HELPER_FLAGS_2(ftois, TCG_CALL_NO_WG, i32, env, i32)
DEF_HELPER_FLAGS_4(float_madd_s, TCG_CALL_NO_WG, i32, env, i32, i32, i32)
DEF_HELPER_FLAGS_4(float_madd_d, TCG_CALL_NO_WG, i64, env, i64, i64, i64)
#define FOP_CALC(op) \
DEF_HELPER_FLAGS_3(float_ ## op ## _s, TCG_CALL_NO_WG, i32, env, i32, i32) \
DEF_HELPER_FLAGS_3(float_ ## op ## _d, TCG_CALL_NO_WG, i64, env, i64, i64)
FOP_CALC(add)
FOP_CALC(sub)
FOP_CALC(mul)
FOP_CALC(div)
FOP_CALC(rem)
#undef FOP_CALC
#define FOP_CMP(op) \
DEF_HELPER_FLAGS_3(float_ ## op ## _s, TCG_CALL_NO_WG, i32, env, i32, i32) \
DEF_HELPER_FLAGS_3(float_ ## op ## _d, TCG_CALL_NO_WG, i64, env, i64, i64)
FOP_CMP(eq)
FOP_CMP(lt)
FOP_CMP(le)
FOP_CMP(ne)
FOP_CMP(gt)
FOP_CMP(ge)
#undef FOP_CMP
/* interrupt */
DEF_HELPER_FLAGS_1(rfe, 0, void, env)
/* sys */
DEF_HELPER_FLAGS_4(mtspr, 0, void, env, tl, tl, tl)
DEF_HELPER_FLAGS_4(mfspr, TCG_CALL_NO_WG, tl, env, tl, tl, tl)