808 lines
20 KiB
C
808 lines
20 KiB
C
/*
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SPARC micro operations
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Copyright (C) 2003 Thomas M. Ogrisegg <tom@fnord.at>
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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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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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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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#include "exec.h"
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#include "helper.h"
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/* Load and store */
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#define MEMSUFFIX _raw
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#include "op_mem.h"
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#if !defined(CONFIG_USER_ONLY)
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#define MEMSUFFIX _user
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#include "op_mem.h"
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#define MEMSUFFIX _kernel
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#include "op_mem.h"
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#ifdef TARGET_SPARC64
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#define MEMSUFFIX _hypv
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#include "op_mem.h"
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#endif
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#endif
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#ifndef TARGET_SPARC64
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/* XXX: use another pointer for %iN registers to avoid slow wrapping
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handling ? */
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void OPPROTO op_save(void)
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{
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uint32_t cwp;
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cwp = (env->cwp - 1) & (NWINDOWS - 1);
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if (env->wim & (1 << cwp)) {
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raise_exception(TT_WIN_OVF);
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}
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set_cwp(cwp);
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FORCE_RET();
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}
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void OPPROTO op_restore(void)
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{
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uint32_t cwp;
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cwp = (env->cwp + 1) & (NWINDOWS - 1);
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if (env->wim & (1 << cwp)) {
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raise_exception(TT_WIN_UNF);
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}
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set_cwp(cwp);
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FORCE_RET();
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}
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#else
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/* XXX: use another pointer for %iN registers to avoid slow wrapping
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handling ? */
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void OPPROTO op_save(void)
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{
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uint32_t cwp;
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cwp = (env->cwp - 1) & (NWINDOWS - 1);
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if (env->cansave == 0) {
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raise_exception(TT_SPILL | (env->otherwin != 0 ?
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(TT_WOTHER | ((env->wstate & 0x38) >> 1)):
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((env->wstate & 0x7) << 2)));
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} else {
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if (env->cleanwin - env->canrestore == 0) {
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// XXX Clean windows without trap
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raise_exception(TT_CLRWIN);
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} else {
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env->cansave--;
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env->canrestore++;
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set_cwp(cwp);
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}
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}
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FORCE_RET();
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}
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void OPPROTO op_restore(void)
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{
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uint32_t cwp;
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cwp = (env->cwp + 1) & (NWINDOWS - 1);
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if (env->canrestore == 0) {
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raise_exception(TT_FILL | (env->otherwin != 0 ?
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(TT_WOTHER | ((env->wstate & 0x38) >> 1)):
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((env->wstate & 0x7) << 2)));
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} else {
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env->cansave++;
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env->canrestore--;
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set_cwp(cwp);
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}
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FORCE_RET();
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}
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#endif
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void OPPROTO op_jmp_label(void)
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{
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GOTO_LABEL_PARAM(1);
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}
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#define F_OP(name, p) void OPPROTO op_f##name##p(void)
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#if defined(CONFIG_USER_ONLY)
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#define F_BINOP(name) \
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F_OP(name, s) \
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{ \
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FT0 = float32_ ## name (FT0, FT1, &env->fp_status); \
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} \
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F_OP(name, d) \
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{ \
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DT0 = float64_ ## name (DT0, DT1, &env->fp_status); \
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} \
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F_OP(name, q) \
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{ \
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QT0 = float128_ ## name (QT0, QT1, &env->fp_status); \
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}
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#else
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#define F_BINOP(name) \
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F_OP(name, s) \
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{ \
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FT0 = float32_ ## name (FT0, FT1, &env->fp_status); \
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} \
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F_OP(name, d) \
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{ \
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DT0 = float64_ ## name (DT0, DT1, &env->fp_status); \
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}
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#endif
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F_BINOP(add);
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F_BINOP(sub);
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F_BINOP(mul);
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F_BINOP(div);
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#undef F_BINOP
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void OPPROTO op_fsmuld(void)
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{
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DT0 = float64_mul(float32_to_float64(FT0, &env->fp_status),
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float32_to_float64(FT1, &env->fp_status),
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&env->fp_status);
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}
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#if defined(CONFIG_USER_ONLY)
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void OPPROTO op_fdmulq(void)
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{
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QT0 = float128_mul(float64_to_float128(DT0, &env->fp_status),
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float64_to_float128(DT1, &env->fp_status),
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&env->fp_status);
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}
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#endif
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#if defined(CONFIG_USER_ONLY)
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#define F_HELPER(name) \
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F_OP(name, s) \
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{ \
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do_f##name##s(); \
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} \
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F_OP(name, d) \
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{ \
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do_f##name##d(); \
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} \
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F_OP(name, q) \
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{ \
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do_f##name##q(); \
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}
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#else
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#define F_HELPER(name) \
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F_OP(name, s) \
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{ \
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do_f##name##s(); \
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} \
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F_OP(name, d) \
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{ \
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do_f##name##d(); \
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}
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#endif
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F_OP(neg, s)
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{
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FT0 = float32_chs(FT1);
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}
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#ifdef TARGET_SPARC64
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F_OP(neg, d)
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{
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DT0 = float64_chs(DT1);
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}
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#if defined(CONFIG_USER_ONLY)
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F_OP(neg, q)
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{
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QT0 = float128_chs(QT1);
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}
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#endif
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#endif
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/* Integer to float conversion. */
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#ifdef USE_INT_TO_FLOAT_HELPERS
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F_HELPER(ito);
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#ifdef TARGET_SPARC64
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F_HELPER(xto);
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#endif
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#else
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F_OP(ito, s)
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{
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FT0 = int32_to_float32(*((int32_t *)&FT1), &env->fp_status);
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}
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F_OP(ito, d)
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{
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DT0 = int32_to_float64(*((int32_t *)&FT1), &env->fp_status);
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}
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#if defined(CONFIG_USER_ONLY)
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F_OP(ito, q)
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{
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QT0 = int32_to_float128(*((int32_t *)&FT1), &env->fp_status);
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}
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#endif
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#ifdef TARGET_SPARC64
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F_OP(xto, s)
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{
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FT0 = int64_to_float32(*((int64_t *)&DT1), &env->fp_status);
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}
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F_OP(xto, d)
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{
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DT0 = int64_to_float64(*((int64_t *)&DT1), &env->fp_status);
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}
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#if defined(CONFIG_USER_ONLY)
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F_OP(xto, q)
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{
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QT0 = int64_to_float128(*((int64_t *)&DT1), &env->fp_status);
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}
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#endif
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#endif
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#endif
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#undef F_HELPER
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/* floating point conversion */
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void OPPROTO op_fdtos(void)
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{
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FT0 = float64_to_float32(DT1, &env->fp_status);
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}
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void OPPROTO op_fstod(void)
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{
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DT0 = float32_to_float64(FT1, &env->fp_status);
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}
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#if defined(CONFIG_USER_ONLY)
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void OPPROTO op_fqtos(void)
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{
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FT0 = float128_to_float32(QT1, &env->fp_status);
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}
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void OPPROTO op_fstoq(void)
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{
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QT0 = float32_to_float128(FT1, &env->fp_status);
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}
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void OPPROTO op_fqtod(void)
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{
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DT0 = float128_to_float64(QT1, &env->fp_status);
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}
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void OPPROTO op_fdtoq(void)
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{
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QT0 = float64_to_float128(DT1, &env->fp_status);
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}
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#endif
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/* Float to integer conversion. */
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void OPPROTO op_fstoi(void)
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{
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*((int32_t *)&FT0) = float32_to_int32_round_to_zero(FT1, &env->fp_status);
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}
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void OPPROTO op_fdtoi(void)
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{
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*((int32_t *)&FT0) = float64_to_int32_round_to_zero(DT1, &env->fp_status);
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}
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#if defined(CONFIG_USER_ONLY)
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void OPPROTO op_fqtoi(void)
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{
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*((int32_t *)&FT0) = float128_to_int32_round_to_zero(QT1, &env->fp_status);
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}
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#endif
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#ifdef TARGET_SPARC64
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void OPPROTO op_fstox(void)
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{
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*((int64_t *)&DT0) = float32_to_int64_round_to_zero(FT1, &env->fp_status);
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}
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void OPPROTO op_fdtox(void)
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{
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*((int64_t *)&DT0) = float64_to_int64_round_to_zero(DT1, &env->fp_status);
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}
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#if defined(CONFIG_USER_ONLY)
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void OPPROTO op_fqtox(void)
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{
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*((int64_t *)&DT0) = float128_to_int64_round_to_zero(QT1, &env->fp_status);
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}
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#endif
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void OPPROTO op_flushw(void)
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{
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if (env->cansave != NWINDOWS - 2) {
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raise_exception(TT_SPILL | (env->otherwin != 0 ?
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(TT_WOTHER | ((env->wstate & 0x38) >> 1)):
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((env->wstate & 0x7) << 2)));
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}
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}
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void OPPROTO op_saved(void)
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{
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env->cansave++;
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if (env->otherwin == 0)
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env->canrestore--;
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else
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env->otherwin--;
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FORCE_RET();
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}
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void OPPROTO op_restored(void)
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{
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env->canrestore++;
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if (env->cleanwin < NWINDOWS - 1)
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env->cleanwin++;
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if (env->otherwin == 0)
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env->cansave--;
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else
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env->otherwin--;
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FORCE_RET();
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}
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#endif
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#ifdef TARGET_SPARC64
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void OPPROTO op_faligndata()
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{
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uint64_t tmp;
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tmp = (*((uint64_t *)&DT0)) << ((env->gsr & 7) * 8);
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tmp |= (*((uint64_t *)&DT1)) >> (64 - (env->gsr & 7) * 8);
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*((uint64_t *)&DT0) = tmp;
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}
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void OPPROTO op_movl_FT0_0(void)
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{
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*((uint32_t *)&FT0) = 0;
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}
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void OPPROTO op_movl_DT0_0(void)
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{
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*((uint64_t *)&DT0) = 0;
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}
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void OPPROTO op_movl_FT0_1(void)
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{
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*((uint32_t *)&FT0) = 0xffffffff;
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}
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void OPPROTO op_movl_DT0_1(void)
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{
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*((uint64_t *)&DT0) = 0xffffffffffffffffULL;
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}
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void OPPROTO op_fnot(void)
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{
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*(uint64_t *)&DT0 = ~*(uint64_t *)&DT1;
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}
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void OPPROTO op_fnots(void)
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{
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*(uint32_t *)&FT0 = ~*(uint32_t *)&FT1;
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}
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void OPPROTO op_fnor(void)
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{
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*(uint64_t *)&DT0 = ~(*(uint64_t *)&DT0 | *(uint64_t *)&DT1);
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}
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void OPPROTO op_fnors(void)
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{
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*(uint32_t *)&FT0 = ~(*(uint32_t *)&FT0 | *(uint32_t *)&FT1);
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}
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void OPPROTO op_for(void)
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{
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*(uint64_t *)&DT0 |= *(uint64_t *)&DT1;
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}
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void OPPROTO op_fors(void)
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{
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*(uint32_t *)&FT0 |= *(uint32_t *)&FT1;
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}
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void OPPROTO op_fxor(void)
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{
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*(uint64_t *)&DT0 ^= *(uint64_t *)&DT1;
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}
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void OPPROTO op_fxors(void)
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{
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*(uint32_t *)&FT0 ^= *(uint32_t *)&FT1;
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}
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void OPPROTO op_fand(void)
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{
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*(uint64_t *)&DT0 &= *(uint64_t *)&DT1;
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}
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void OPPROTO op_fands(void)
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{
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*(uint32_t *)&FT0 &= *(uint32_t *)&FT1;
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}
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void OPPROTO op_fornot(void)
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{
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*(uint64_t *)&DT0 = *(uint64_t *)&DT0 | ~*(uint64_t *)&DT1;
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}
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void OPPROTO op_fornots(void)
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{
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*(uint32_t *)&FT0 = *(uint32_t *)&FT0 | ~*(uint32_t *)&FT1;
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}
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void OPPROTO op_fandnot(void)
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{
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*(uint64_t *)&DT0 = *(uint64_t *)&DT0 & ~*(uint64_t *)&DT1;
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}
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void OPPROTO op_fandnots(void)
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{
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*(uint32_t *)&FT0 = *(uint32_t *)&FT0 & ~*(uint32_t *)&FT1;
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}
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void OPPROTO op_fnand(void)
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{
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*(uint64_t *)&DT0 = ~(*(uint64_t *)&DT0 & *(uint64_t *)&DT1);
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}
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void OPPROTO op_fnands(void)
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{
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*(uint32_t *)&FT0 = ~(*(uint32_t *)&FT0 & *(uint32_t *)&FT1);
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}
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void OPPROTO op_fxnor(void)
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{
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*(uint64_t *)&DT0 ^= ~*(uint64_t *)&DT1;
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}
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void OPPROTO op_fxnors(void)
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{
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*(uint32_t *)&FT0 ^= ~*(uint32_t *)&FT1;
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}
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#ifdef WORDS_BIGENDIAN
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#define VIS_B64(n) b[7 - (n)]
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#define VIS_W64(n) w[3 - (n)]
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#define VIS_SW64(n) sw[3 - (n)]
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#define VIS_L64(n) l[1 - (n)]
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#define VIS_B32(n) b[3 - (n)]
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#define VIS_W32(n) w[1 - (n)]
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#else
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#define VIS_B64(n) b[n]
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#define VIS_W64(n) w[n]
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#define VIS_SW64(n) sw[n]
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#define VIS_L64(n) l[n]
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#define VIS_B32(n) b[n]
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#define VIS_W32(n) w[n]
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#endif
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typedef union {
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uint8_t b[8];
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uint16_t w[4];
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int16_t sw[4];
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uint32_t l[2];
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float64 d;
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} vis64;
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typedef union {
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uint8_t b[4];
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uint16_t w[2];
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uint32_t l;
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float32 f;
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} vis32;
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void OPPROTO op_fpmerge(void)
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{
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vis64 s, d;
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s.d = DT0;
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d.d = DT1;
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// Reverse calculation order to handle overlap
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d.VIS_B64(7) = s.VIS_B64(3);
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d.VIS_B64(6) = d.VIS_B64(3);
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d.VIS_B64(5) = s.VIS_B64(2);
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d.VIS_B64(4) = d.VIS_B64(2);
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d.VIS_B64(3) = s.VIS_B64(1);
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d.VIS_B64(2) = d.VIS_B64(1);
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d.VIS_B64(1) = s.VIS_B64(0);
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//d.VIS_B64(0) = d.VIS_B64(0);
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DT0 = d.d;
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}
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void OPPROTO op_fmul8x16(void)
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{
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vis64 s, d;
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uint32_t tmp;
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s.d = DT0;
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d.d = DT1;
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#define PMUL(r) \
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tmp = (int32_t)d.VIS_SW64(r) * (int32_t)s.VIS_B64(r); \
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if ((tmp & 0xff) > 0x7f) \
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tmp += 0x100; \
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d.VIS_W64(r) = tmp >> 8;
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PMUL(0);
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PMUL(1);
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PMUL(2);
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PMUL(3);
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#undef PMUL
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DT0 = d.d;
|
|
}
|
|
|
|
void OPPROTO op_fmul8x16al(void)
|
|
{
|
|
vis64 s, d;
|
|
uint32_t tmp;
|
|
|
|
s.d = DT0;
|
|
d.d = DT1;
|
|
|
|
#define PMUL(r) \
|
|
tmp = (int32_t)d.VIS_SW64(1) * (int32_t)s.VIS_B64(r); \
|
|
if ((tmp & 0xff) > 0x7f) \
|
|
tmp += 0x100; \
|
|
d.VIS_W64(r) = tmp >> 8;
|
|
|
|
PMUL(0);
|
|
PMUL(1);
|
|
PMUL(2);
|
|
PMUL(3);
|
|
#undef PMUL
|
|
|
|
DT0 = d.d;
|
|
}
|
|
|
|
void OPPROTO op_fmul8x16au(void)
|
|
{
|
|
vis64 s, d;
|
|
uint32_t tmp;
|
|
|
|
s.d = DT0;
|
|
d.d = DT1;
|
|
|
|
#define PMUL(r) \
|
|
tmp = (int32_t)d.VIS_SW64(0) * (int32_t)s.VIS_B64(r); \
|
|
if ((tmp & 0xff) > 0x7f) \
|
|
tmp += 0x100; \
|
|
d.VIS_W64(r) = tmp >> 8;
|
|
|
|
PMUL(0);
|
|
PMUL(1);
|
|
PMUL(2);
|
|
PMUL(3);
|
|
#undef PMUL
|
|
|
|
DT0 = d.d;
|
|
}
|
|
|
|
void OPPROTO op_fmul8sux16(void)
|
|
{
|
|
vis64 s, d;
|
|
uint32_t tmp;
|
|
|
|
s.d = DT0;
|
|
d.d = DT1;
|
|
|
|
#define PMUL(r) \
|
|
tmp = (int32_t)d.VIS_SW64(r) * ((int32_t)s.VIS_SW64(r) >> 8); \
|
|
if ((tmp & 0xff) > 0x7f) \
|
|
tmp += 0x100; \
|
|
d.VIS_W64(r) = tmp >> 8;
|
|
|
|
PMUL(0);
|
|
PMUL(1);
|
|
PMUL(2);
|
|
PMUL(3);
|
|
#undef PMUL
|
|
|
|
DT0 = d.d;
|
|
}
|
|
|
|
void OPPROTO op_fmul8ulx16(void)
|
|
{
|
|
vis64 s, d;
|
|
uint32_t tmp;
|
|
|
|
s.d = DT0;
|
|
d.d = DT1;
|
|
|
|
#define PMUL(r) \
|
|
tmp = (int32_t)d.VIS_SW64(r) * ((uint32_t)s.VIS_B64(r * 2)); \
|
|
if ((tmp & 0xff) > 0x7f) \
|
|
tmp += 0x100; \
|
|
d.VIS_W64(r) = tmp >> 8;
|
|
|
|
PMUL(0);
|
|
PMUL(1);
|
|
PMUL(2);
|
|
PMUL(3);
|
|
#undef PMUL
|
|
|
|
DT0 = d.d;
|
|
}
|
|
|
|
void OPPROTO op_fmuld8sux16(void)
|
|
{
|
|
vis64 s, d;
|
|
uint32_t tmp;
|
|
|
|
s.d = DT0;
|
|
d.d = DT1;
|
|
|
|
#define PMUL(r) \
|
|
tmp = (int32_t)d.VIS_SW64(r) * ((int32_t)s.VIS_SW64(r) >> 8); \
|
|
if ((tmp & 0xff) > 0x7f) \
|
|
tmp += 0x100; \
|
|
d.VIS_L64(r) = tmp;
|
|
|
|
// Reverse calculation order to handle overlap
|
|
PMUL(1);
|
|
PMUL(0);
|
|
#undef PMUL
|
|
|
|
DT0 = d.d;
|
|
}
|
|
|
|
void OPPROTO op_fmuld8ulx16(void)
|
|
{
|
|
vis64 s, d;
|
|
uint32_t tmp;
|
|
|
|
s.d = DT0;
|
|
d.d = DT1;
|
|
|
|
#define PMUL(r) \
|
|
tmp = (int32_t)d.VIS_SW64(r) * ((uint32_t)s.VIS_B64(r * 2)); \
|
|
if ((tmp & 0xff) > 0x7f) \
|
|
tmp += 0x100; \
|
|
d.VIS_L64(r) = tmp;
|
|
|
|
// Reverse calculation order to handle overlap
|
|
PMUL(1);
|
|
PMUL(0);
|
|
#undef PMUL
|
|
|
|
DT0 = d.d;
|
|
}
|
|
|
|
void OPPROTO op_fexpand(void)
|
|
{
|
|
vis32 s;
|
|
vis64 d;
|
|
|
|
s.l = (uint32_t)(*(uint64_t *)&DT0 & 0xffffffff);
|
|
d.d = DT1;
|
|
d.VIS_L64(0) = s.VIS_W32(0) << 4;
|
|
d.VIS_L64(1) = s.VIS_W32(1) << 4;
|
|
d.VIS_L64(2) = s.VIS_W32(2) << 4;
|
|
d.VIS_L64(3) = s.VIS_W32(3) << 4;
|
|
|
|
DT0 = d.d;
|
|
}
|
|
|
|
#define VIS_OP(name, F) \
|
|
void OPPROTO name##16(void) \
|
|
{ \
|
|
vis64 s, d; \
|
|
\
|
|
s.d = DT0; \
|
|
d.d = DT1; \
|
|
\
|
|
d.VIS_W64(0) = F(d.VIS_W64(0), s.VIS_W64(0)); \
|
|
d.VIS_W64(1) = F(d.VIS_W64(1), s.VIS_W64(1)); \
|
|
d.VIS_W64(2) = F(d.VIS_W64(2), s.VIS_W64(2)); \
|
|
d.VIS_W64(3) = F(d.VIS_W64(3), s.VIS_W64(3)); \
|
|
\
|
|
DT0 = d.d; \
|
|
} \
|
|
\
|
|
void OPPROTO name##16s(void) \
|
|
{ \
|
|
vis32 s, d; \
|
|
\
|
|
s.f = FT0; \
|
|
d.f = FT1; \
|
|
\
|
|
d.VIS_W32(0) = F(d.VIS_W32(0), s.VIS_W32(0)); \
|
|
d.VIS_W32(1) = F(d.VIS_W32(1), s.VIS_W32(1)); \
|
|
\
|
|
FT0 = d.f; \
|
|
} \
|
|
\
|
|
void OPPROTO name##32(void) \
|
|
{ \
|
|
vis64 s, d; \
|
|
\
|
|
s.d = DT0; \
|
|
d.d = DT1; \
|
|
\
|
|
d.VIS_L64(0) = F(d.VIS_L64(0), s.VIS_L64(0)); \
|
|
d.VIS_L64(1) = F(d.VIS_L64(1), s.VIS_L64(1)); \
|
|
\
|
|
DT0 = d.d; \
|
|
} \
|
|
\
|
|
void OPPROTO name##32s(void) \
|
|
{ \
|
|
vis32 s, d; \
|
|
\
|
|
s.f = FT0; \
|
|
d.f = FT1; \
|
|
\
|
|
d.l = F(d.l, s.l); \
|
|
\
|
|
FT0 = d.f; \
|
|
}
|
|
|
|
#define FADD(a, b) ((a) + (b))
|
|
#define FSUB(a, b) ((a) - (b))
|
|
VIS_OP(op_fpadd, FADD)
|
|
VIS_OP(op_fpsub, FSUB)
|
|
|
|
#define VIS_CMPOP(name, F) \
|
|
void OPPROTO name##16(void) \
|
|
{ \
|
|
vis64 s, d; \
|
|
\
|
|
s.d = DT0; \
|
|
d.d = DT1; \
|
|
\
|
|
d.VIS_W64(0) = F(d.VIS_W64(0), s.VIS_W64(0))? 1: 0; \
|
|
d.VIS_W64(0) |= F(d.VIS_W64(1), s.VIS_W64(1))? 2: 0; \
|
|
d.VIS_W64(0) |= F(d.VIS_W64(2), s.VIS_W64(2))? 4: 0; \
|
|
d.VIS_W64(0) |= F(d.VIS_W64(3), s.VIS_W64(3))? 8: 0; \
|
|
\
|
|
DT0 = d.d; \
|
|
} \
|
|
\
|
|
void OPPROTO name##32(void) \
|
|
{ \
|
|
vis64 s, d; \
|
|
\
|
|
s.d = DT0; \
|
|
d.d = DT1; \
|
|
\
|
|
d.VIS_L64(0) = F(d.VIS_L64(0), s.VIS_L64(0))? 1: 0; \
|
|
d.VIS_L64(0) |= F(d.VIS_L64(1), s.VIS_L64(1))? 2: 0; \
|
|
\
|
|
DT0 = d.d; \
|
|
}
|
|
|
|
#define FCMPGT(a, b) ((a) > (b))
|
|
#define FCMPEQ(a, b) ((a) == (b))
|
|
#define FCMPLE(a, b) ((a) <= (b))
|
|
#define FCMPNE(a, b) ((a) != (b))
|
|
|
|
VIS_CMPOP(op_fcmpgt, FCMPGT)
|
|
VIS_CMPOP(op_fcmpeq, FCMPEQ)
|
|
VIS_CMPOP(op_fcmple, FCMPLE)
|
|
VIS_CMPOP(op_fcmpne, FCMPNE)
|
|
|
|
#endif
|
|
|
|
#define CHECK_ALIGN_OP(align) \
|
|
void OPPROTO op_check_align_T0_ ## align (void) \
|
|
{ \
|
|
if (T0 & align) \
|
|
raise_exception(TT_UNALIGNED); \
|
|
FORCE_RET(); \
|
|
}
|
|
|
|
CHECK_ALIGN_OP(1)
|
|
CHECK_ALIGN_OP(3)
|
|
CHECK_ALIGN_OP(7)
|