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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
/*
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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, 0, void, env, i32)
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DEF_HELPER_FLAGS_2(ove, TCG_CALL_NO_WG, void, env, tl)
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/* float */
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DEF_HELPER_FLAGS_2(itofd, 0, i64, env, i64)
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DEF_HELPER_FLAGS_2(itofs, 0, i32, env, i32)
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DEF_HELPER_FLAGS_2(ftoid, 0, i64, env, i64)
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DEF_HELPER_FLAGS_2(ftois, 0, i32, env, i32)
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#define FOP_MADD(op) \
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DEF_HELPER_FLAGS_3(float_ ## op ## _s, 0, i32, env, i32, i32) \
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DEF_HELPER_FLAGS_3(float_ ## op ## _d, 0, i64, env, i64, i64)
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FOP_MADD(muladd)
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#undef FOP_MADD
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#define FOP_CALC(op) \
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DEF_HELPER_FLAGS_3(float_ ## op ## _s, 0, i32, env, i32, i32) \
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DEF_HELPER_FLAGS_3(float_ ## op ## _d, 0, 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, 0, i32, env, i32, i32) \
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DEF_HELPER_FLAGS_3(float_ ## op ## _d, 0, i64, 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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FOP_CMP(ne)
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FOP_CMP(gt)
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FOP_CMP(ge)
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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, 0, tl, env, tl, tl, tl)
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