4e2d30079c
The architecture manual is unclear about this, but the or1ksim does writeback before the exception. This requires splitting the helpers in half, with the exception raised by the second. Acked-by: Stafford Horne <shorne@gmail.com> Reviewed-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> Signed-off-by: Richard Henderson <rth@twiddle.net>
61 lines
2.2 KiB
C
61 lines
2.2 KiB
C
/*
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* OpenRISC helper defines
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*
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* Copyright (c) 2011-2012 Jia Liu <proljc@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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/* exception */
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DEF_HELPER_FLAGS_2(exception, TCG_CALL_NO_WG, void, env, i32)
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DEF_HELPER_FLAGS_1(ove_cy, TCG_CALL_NO_WG, void, env)
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DEF_HELPER_FLAGS_1(ove_ov, TCG_CALL_NO_WG, void, env)
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DEF_HELPER_FLAGS_1(ove_cyov, TCG_CALL_NO_WG, void, env)
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/* float */
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DEF_HELPER_FLAGS_1(update_fpcsr, TCG_CALL_NO_WG, void, env)
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DEF_HELPER_FLAGS_2(itofd, TCG_CALL_NO_RWG, i64, env, i64)
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DEF_HELPER_FLAGS_2(itofs, TCG_CALL_NO_RWG, i32, env, i32)
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DEF_HELPER_FLAGS_2(ftoid, TCG_CALL_NO_RWG, i64, env, i64)
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DEF_HELPER_FLAGS_2(ftois, TCG_CALL_NO_RWG, i32, env, i32)
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DEF_HELPER_FLAGS_4(float_madd_s, TCG_CALL_NO_RWG, i32, env, i32, i32, i32)
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DEF_HELPER_FLAGS_4(float_madd_d, TCG_CALL_NO_RWG, i64, env, i64, i64, i64)
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#define FOP_CALC(op) \
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DEF_HELPER_FLAGS_3(float_ ## op ## _s, TCG_CALL_NO_RWG, i32, env, i32, i32) \
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DEF_HELPER_FLAGS_3(float_ ## op ## _d, TCG_CALL_NO_RWG, i64, env, i64, i64)
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FOP_CALC(add)
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FOP_CALC(sub)
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FOP_CALC(mul)
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FOP_CALC(div)
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FOP_CALC(rem)
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#undef FOP_CALC
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#define FOP_CMP(op) \
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DEF_HELPER_FLAGS_3(float_ ## op ## _s, TCG_CALL_NO_RWG, tl, env, i32, i32) \
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DEF_HELPER_FLAGS_3(float_ ## op ## _d, TCG_CALL_NO_RWG, tl, env, i64, i64)
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FOP_CMP(eq)
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FOP_CMP(lt)
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FOP_CMP(le)
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#undef FOP_CMP
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/* interrupt */
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DEF_HELPER_FLAGS_1(rfe, 0, void, env)
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/* sys */
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DEF_HELPER_FLAGS_4(mtspr, 0, void, env, tl, tl, tl)
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DEF_HELPER_FLAGS_4(mfspr, TCG_CALL_NO_WG, tl, env, tl, tl, tl)
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