9ecaa27e71
Fix incorrect overflow calculation. Move overflow exception check to a helper function, to eliminate inline branches. Remove some incorrect special casing of R0. Implement multiply inline. Reviewed-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> Signed-off-by: Richard Henderson <rth@twiddle.net>
63 lines
2.0 KiB
C
63 lines
2.0 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, 0, void, env, i32)
|
|
DEF_HELPER_FLAGS_2(ove, TCG_CALL_NO_WG, void, env, tl)
|
|
|
|
/* float */
|
|
DEF_HELPER_FLAGS_2(itofd, 0, i64, env, i64)
|
|
DEF_HELPER_FLAGS_2(itofs, 0, i32, env, i32)
|
|
DEF_HELPER_FLAGS_2(ftoid, 0, i64, env, i64)
|
|
DEF_HELPER_FLAGS_2(ftois, 0, i32, env, i32)
|
|
|
|
#define FOP_MADD(op) \
|
|
DEF_HELPER_FLAGS_3(float_ ## op ## _s, 0, i32, env, i32, i32) \
|
|
DEF_HELPER_FLAGS_3(float_ ## op ## _d, 0, i64, env, i64, i64)
|
|
FOP_MADD(muladd)
|
|
#undef FOP_MADD
|
|
|
|
#define FOP_CALC(op) \
|
|
DEF_HELPER_FLAGS_3(float_ ## op ## _s, 0, i32, env, i32, i32) \
|
|
DEF_HELPER_FLAGS_3(float_ ## op ## _d, 0, 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, 0, i32, env, i32, i32) \
|
|
DEF_HELPER_FLAGS_3(float_ ## op ## _d, 0, 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, 0, tl, env, tl, tl, tl)
|