1 /* brig-inst-mod-handler.cc -- brig rounding moded instruction handling 2 Copyright (C) 2016-2018 Free Software Foundation, Inc. 3 Contributed by Pekka Jaaskelainen <pekka.jaaskelainen@parmance.com> 4 for General Processor Tech. 5 6 This file is part of GCC. 7 8 GCC is free software; you can redistribute it and/or modify it under 9 the terms of the GNU General Public License as published by the Free 10 Software Foundation; either version 3, or (at your option) any later 11 version. 12 13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY 14 WARRANTY; without even the implied warranty of MERCHANTABILITY or 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 16 for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with GCC; see the file COPYING3. If not see 20 <http://www.gnu.org/licenses/>. */ 21 22 #include "brig-code-entry-handler.h" 23 24 #include "gimple-expr.h" 25 #include "errors.h" 26 27 size_t generate(const BrigBase * base)28brig_inst_mod_handler::generate (const BrigBase *base) 29 { 30 brig_basic_inst_handler basic_handler (m_parent); 31 return basic_handler (base); 32 } 33 34 const BrigAluModifier8_t * modifier(const BrigBase * base) const35brig_inst_mod_handler::modifier (const BrigBase *base) const 36 { 37 const BrigInstMod *inst = (const BrigInstMod *) base; 38 return &inst->modifier; 39 } 40 41 const BrigRound8_t * round(const BrigBase * base) const42brig_inst_mod_handler::round (const BrigBase *base) const 43 { 44 const BrigInstMod *inst = (const BrigInstMod *) base; 45 return &inst->round; 46 } 47 48 /* This used to inject fesetround () calls to control the rounding mode of the 49 actual executed floating point operation. It turned out that supporting 50 conversions using fesetround calls won't work in gcc due to it not being 51 able to restrict code motions across calls at the moment. This 52 functionality is therefore disabled for now until a better solution is 53 found or if fesetround () is fixed in gcc. */ 54 size_t operator ()(const BrigBase * base)55brig_inst_mod_handler::operator () (const BrigBase *base) 56 { 57 return generate (base); 58 } 59