5fafdf24ef
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3173 c046a42c-6fe2-441c-8c8c-71466251a162
168 lines
3.2 KiB
C
168 lines
3.2 KiB
C
/*
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* Alpha emulation cpu micro-operations templates for qemu.
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*
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* Copyright (c) 2007 Jocelyn Mayer
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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, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/* Optimized constant loads */
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#if REG < 3
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void OPPROTO glue(op_reset_T, REG) (void)
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{
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glue(T, REG) = 0;
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RETURN();
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}
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void OPPROTO glue(op_reset_FT, REG) (void)
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{
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glue(FT, REG) = 0;
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RETURN();
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}
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/* XXX: This can be great on most RISC machines */
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#if !defined(__i386__) && !defined(__x86_64__)
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void OPPROTO glue(op_set_s16_T, REG) (void)
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{
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glue(T, REG) = (int16_t)PARAM(1);
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RETURN();
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}
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void OPPROTO glue(op_set_u16_T, REG) (void)
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{
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glue(T, REG) = (uint16_t)PARAM(1);
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RETURN();
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}
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#endif
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void OPPROTO glue(op_set_s32_T, REG) (void)
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{
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glue(T, REG) = (int32_t)PARAM(1);
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RETURN();
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}
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void OPPROTO glue(op_set_u32_T, REG) (void)
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{
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glue(T, REG) = (uint32_t)PARAM(1);
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RETURN();
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}
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#if 0 // Qemu does not know how to do this...
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void OPPROTO glue(op_set_64_T, REG) (void)
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{
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glue(T, REG) = (int64_t)PARAM(1);
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RETURN();
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}
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#else
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void OPPROTO glue(op_set_64_T, REG) (void)
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{
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glue(T, REG) = ((int64_t)PARAM(1) << 32) | (int64_t)PARAM(2);
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RETURN();
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}
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#endif
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#endif /* REG < 3 */
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/* Fixed-point register moves */
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#if REG < 31
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void OPPROTO glue(op_load_T0_ir, REG) (void)
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{
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T0 = env->ir[REG];
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RETURN();
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}
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void OPPROTO glue(op_load_T1_ir, REG) (void)
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{
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T1 = env->ir[REG];
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RETURN();
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}
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void OPPROTO glue(op_load_T2_ir, REG) (void)
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{
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T2 = env->ir[REG];
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RETURN();
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}
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void OPPROTO glue(op_store_T0_ir, REG) (void)
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{
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env->ir[REG] = T0;
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RETURN();
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}
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void OPPROTO glue(op_store_T1_ir, REG) (void)
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{
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env->ir[REG] = T1;
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RETURN();
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}
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void OPPROTO glue(op_store_T2_ir, REG) (void)
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{
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env->ir[REG] = T2;
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RETURN();
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}
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void OPPROTO glue(op_cmov_ir, REG) (void)
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{
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if (T0)
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env->ir[REG] = T1;
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RETURN();
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}
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/* floating point registers moves */
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void OPPROTO glue(op_load_FT0_fir, REG) (void)
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{
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FT0 = env->fir[REG];
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RETURN();
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}
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void OPPROTO glue(op_load_FT1_fir, REG) (void)
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{
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FT1 = env->fir[REG];
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RETURN();
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}
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void OPPROTO glue(op_load_FT2_fir, REG) (void)
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{
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FT2 = env->fir[REG];
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RETURN();
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}
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void OPPROTO glue(op_store_FT0_fir, REG) (void)
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{
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env->fir[REG] = FT0;
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RETURN();
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}
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void OPPROTO glue(op_store_FT1_fir, REG) (void)
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{
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env->fir[REG] = FT1;
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RETURN();
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}
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void OPPROTO glue(op_store_FT2_fir, REG) (void)
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{
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env->fir[REG] = FT2;
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RETURN();
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}
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void OPPROTO glue(op_cmov_fir, REG) (void)
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{
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helper_cmov_fir(REG);
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RETURN();
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}
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#endif /* REG < 31 */
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#undef REG
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