/* jit/x86_64/codegen.c - machine code generator for x86_64 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 Institut f. Computersprachen, TU Wien R. Grafl, A. Krall, C. Kruegel, C. Oates, R. Obermaisser, M. Probst, S. Ring, E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, J. Wenninger This file is part of CACAO. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. Contact: cacao@complang.tuwien.ac.at Authors: Andreas Krall Christian Thalinger $Id: codegen.c 1427 2004-11-01 12:22:52Z twisti $ */ #define _GNU_SOURCE #include "global.h" #include #include #include #include "builtin.h" #include "asmpart.h" #include "jni.h" #include "loader.h" #include "tables.h" #include "native.h" #include "jit/jit.h" #include "jit/reg.h" #include "jit/parse.h" #include "jit/x86_64/codegen.h" #include "jit/x86_64/emitfuncs.h" #include "jit/x86_64/types.h" /* include independent code generation stuff */ #include "jit/codegen.inc" #include "jit/reg.inc" /* register descripton - array ************************************************/ /* #define REG_RES 0 reserved register for OS or code generator */ /* #define REG_RET 1 return value register */ /* #define REG_EXC 2 exception value register (only old jit) */ /* #define REG_SAV 3 (callee) saved register */ /* #define REG_TMP 4 scratch temporary register (caller saved) */ /* #define REG_ARG 5 argument register (caller saved) */ /* #define REG_END -1 last entry in tables */ int nregdescint[] = { REG_RET, REG_ARG, REG_ARG, REG_TMP, REG_RES, REG_SAV, REG_ARG, REG_ARG, REG_ARG, REG_ARG, REG_RES, REG_RES, REG_SAV, REG_SAV, REG_SAV, REG_SAV, REG_END }; int nregdescfloat[] = { /* REG_ARG, REG_ARG, REG_ARG, REG_ARG, REG_TMP, REG_TMP, REG_TMP, REG_TMP, */ /* REG_RES, REG_RES, REG_RES, REG_SAV, REG_SAV, REG_SAV, REG_SAV, REG_SAV, */ REG_ARG, REG_ARG, REG_ARG, REG_ARG, REG_TMP, REG_TMP, REG_TMP, REG_TMP, REG_RES, REG_RES, REG_RES, REG_TMP, REG_TMP, REG_TMP, REG_TMP, REG_TMP, REG_END }; #if defined(USE_THREADS) && defined(NATIVE_THREADS) void thread_restartcriticalsection(ucontext_t *uc) { void *critical; critical = thread_checkcritical((void *) uc->uc_mcontext.gregs[REG_RIP]); if (critical) uc->uc_mcontext.gregs[REG_RIP] = (u8) critical; } #endif /* NullPointerException signal handler for hardware null pointer check */ void catch_NullPointerException(int sig, siginfo_t *siginfo, void *_p) { sigset_t nsig; /* int instr; */ /* long faultaddr; */ struct ucontext *_uc = (struct ucontext *) _p; struct sigcontext *sigctx = (struct sigcontext *) &_uc->uc_mcontext; struct sigaction act; java_objectheader *xptr; /* Reset signal handler - necessary for SysV, does no harm for BSD */ /* instr = *((int*)(sigctx->rip)); */ /* faultaddr = sigctx->sc_regs[(instr >> 16) & 0x1f]; */ /* if (faultaddr == 0) { */ act.sa_sigaction = (void *) catch_NullPointerException; /* reinstall handler */ act.sa_flags = SA_SIGINFO; sigaction(sig, &act, NULL); sigemptyset(&nsig); sigaddset(&nsig, sig); sigprocmask(SIG_UNBLOCK, &nsig, NULL); /* unblock signal */ xptr = new_exception(string_java_lang_NullPointerException); sigctx->rax = (u8) xptr; /* REG_ITMP1_XPTR */ sigctx->r10 = sigctx->rip; /* REG_ITMP2_XPC */ sigctx->rip = (u8) asm_handle_exception; return; /* } else { */ /* faultaddr += (long) ((instr << 16) >> 16); */ /* fprintf(stderr, "faulting address: 0x%08x\n", faultaddr); */ /* panic("Stack overflow"); */ /* } */ } /* ArithmeticException signal handler for hardware divide by zero check */ void catch_ArithmeticException(int sig, siginfo_t *siginfo, void *_p) { sigset_t nsig; struct ucontext *_uc = (struct ucontext *) _p; struct sigcontext *sigctx = (struct sigcontext *) &_uc->uc_mcontext; struct sigaction act; java_objectheader *xptr; /* Reset signal handler - necessary for SysV, does no harm for BSD */ act.sa_sigaction = (void *) catch_ArithmeticException; /* reinstall handler */ act.sa_flags = SA_SIGINFO; sigaction(sig, &act, NULL); sigemptyset(&nsig); sigaddset(&nsig, sig); sigprocmask(SIG_UNBLOCK, &nsig, NULL); /* unblock signal */ xptr = new_exception_message(string_java_lang_ArithmeticException, string_java_lang_ArithmeticException_message); sigctx->rax = (u8) xptr; /* REG_ITMP1_XPTR */ sigctx->r10 = sigctx->rip; /* REG_ITMP2_XPC */ sigctx->rip = (u8) asm_handle_exception; return; } void init_exceptions(void) { struct sigaction act; /* install signal handlers we need to convert to exceptions */ sigemptyset(&act.sa_mask); if (!checknull) { #if defined(SIGSEGV) act.sa_sigaction = (void *) catch_NullPointerException; act.sa_flags = SA_SIGINFO; sigaction(SIGSEGV, &act, NULL); #endif #if defined(SIGBUS) act.sa_sigaction = (void *) catch_NullPointerException; act.sa_flags = SA_SIGINFO; sigaction(SIGBUS, &act, NULL); #endif } act.sa_sigaction = (void *) catch_ArithmeticException; act.sa_flags = SA_SIGINFO; sigaction(SIGFPE, &act, NULL); } /* function gen_mcode ********************************************************** generates machine code *******************************************************************************/ void codegen(methodinfo *m) { s4 len, s1, s2, s3, d; s8 a; s4 parentargs_base; stackptr src; varinfo *var; basicblock *bptr; instruction *iptr; exceptiontable *ex; registerdata *r; codegendata *cd; /* keep code size smaller */ r = m->registerdata; cd = m->codegendata; { s4 i, p, pa, t, l; s4 savedregs_num; savedregs_num = 0; /* space to save used callee saved registers */ savedregs_num += (r->savintregcnt - r->maxsavintreguse); savedregs_num += (r->savfltregcnt - r->maxsavfltreguse); parentargs_base = r->maxmemuse + savedregs_num; #if defined(USE_THREADS) /* space to save argument of monitor_enter */ if (checksync && (m->flags & ACC_SYNCHRONIZED)) parentargs_base++; #endif /* keep stack 16-byte aligned for calls into libc */ if (!m->isleafmethod || runverbose) { if ((parentargs_base % 2) == 0) { parentargs_base++; } } /* create method header */ (void) dseg_addaddress(m, m); /* MethodPointer */ (void) dseg_adds4(m, parentargs_base * 8); /* FrameSize */ #if defined(USE_THREADS) /* IsSync contains the offset relative to the stack pointer for the argument of monitor_exit used in the exception handler. Since the offset could be zero and give a wrong meaning of the flag it is offset by one. */ if (checksync && (m->flags & ACC_SYNCHRONIZED)) (void) dseg_adds4(m, (r->maxmemuse + 1) * 8); /* IsSync */ else #endif (void) dseg_adds4(m, 0); /* IsSync */ (void) dseg_adds4(m, m->isleafmethod); /* IsLeaf */ (void) dseg_adds4(m, r->savintregcnt - r->maxsavintreguse);/* IntSave */ (void) dseg_adds4(m, r->savfltregcnt - r->maxsavfltreguse);/* FltSave */ (void) dseg_adds4(m, cd->exceptiontablelength); /* ExTableSize */ /* create exception table */ for (ex = cd->exceptiontable; ex != NULL; ex = ex->down) { dseg_addtarget(m, ex->start); dseg_addtarget(m, ex->end); dseg_addtarget(m, ex->handler); (void) dseg_addaddress(m, ex->catchtype); } /* initialize mcode variables */ cd->mcodeptr = (u1 *) cd->mcodebase; cd->mcodeend = (s4 *) (cd->mcodebase + cd->mcodesize); MCODECHECK(128 + m->paramcount); /* create stack frame (if necessary) */ if (parentargs_base) { x86_64_alu_imm_reg(cd, X86_64_SUB, parentargs_base * 8, REG_SP); } /* save return address and used callee saved registers */ p = parentargs_base; for (i = r->savintregcnt - 1; i >= r->maxsavintreguse; i--) { p--; x86_64_mov_reg_membase(cd, r->savintregs[i], REG_SP, p * 8); } for (i = r->savfltregcnt - 1; i >= r->maxsavfltreguse; i--) { p--; x86_64_movq_reg_membase(cd, r->savfltregs[i], REG_SP, p * 8); } /* save monitorenter argument */ #if defined(USE_THREADS) if (checksync && (m->flags & ACC_SYNCHRONIZED)) { if (m->flags & ACC_STATIC) { x86_64_mov_imm_reg(cd, (s8) m->class, REG_ITMP1); x86_64_mov_reg_membase(cd, REG_ITMP1, REG_SP, r->maxmemuse * 8); } else { x86_64_mov_reg_membase(cd, r->argintregs[0], REG_SP, r->maxmemuse * 8); } } #endif /* copy argument registers to stack and call trace function with pointer to arguments on stack. */ if (runverbose) { x86_64_alu_imm_reg(cd, X86_64_SUB, (6 + 8 + 1 + 1) * 8, REG_SP); x86_64_mov_reg_membase(cd, r->argintregs[0], REG_SP, 1 * 8); x86_64_mov_reg_membase(cd, r->argintregs[1], REG_SP, 2 * 8); x86_64_mov_reg_membase(cd, r->argintregs[2], REG_SP, 3 * 8); x86_64_mov_reg_membase(cd, r->argintregs[3], REG_SP, 4 * 8); x86_64_mov_reg_membase(cd, r->argintregs[4], REG_SP, 5 * 8); x86_64_mov_reg_membase(cd, r->argintregs[5], REG_SP, 6 * 8); x86_64_movq_reg_membase(cd, r->argfltregs[0], REG_SP, 7 * 8); x86_64_movq_reg_membase(cd, r->argfltregs[1], REG_SP, 8 * 8); x86_64_movq_reg_membase(cd, r->argfltregs[2], REG_SP, 9 * 8); x86_64_movq_reg_membase(cd, r->argfltregs[3], REG_SP, 10 * 8); /* x86_64_movq_reg_membase(cd, r->argfltregs[4], REG_SP, 11 * 8); */ /* x86_64_movq_reg_membase(cd, r->argfltregs[5], REG_SP, 12 * 8); */ /* x86_64_movq_reg_membase(cd, r->argfltregs[6], REG_SP, 13 * 8); */ /* x86_64_movq_reg_membase(cd, r->argfltregs[7], REG_SP, 14 * 8); */ for (p = 0, l = 0; p < m->paramcount; p++) { t = m->paramtypes[p]; if (IS_FLT_DBL_TYPE(t)) { for (s1 = (m->paramcount > INT_ARG_CNT) ? INT_ARG_CNT - 2 : m->paramcount - 2; s1 >= p; s1--) { x86_64_mov_reg_reg(cd, r->argintregs[s1], r->argintregs[s1 + 1]); } x86_64_movd_freg_reg(cd, r->argfltregs[l], r->argintregs[p]); l++; } } x86_64_mov_imm_reg(cd, (s8) m, REG_ITMP2); x86_64_mov_reg_membase(cd, REG_ITMP2, REG_SP, 0 * 8); x86_64_mov_imm_reg(cd, (s8) builtin_trace_args, REG_ITMP1); x86_64_call_reg(cd, REG_ITMP1); x86_64_mov_membase_reg(cd, REG_SP, 1 * 8, r->argintregs[0]); x86_64_mov_membase_reg(cd, REG_SP, 2 * 8, r->argintregs[1]); x86_64_mov_membase_reg(cd, REG_SP, 3 * 8, r->argintregs[2]); x86_64_mov_membase_reg(cd, REG_SP, 4 * 8, r->argintregs[3]); x86_64_mov_membase_reg(cd, REG_SP, 5 * 8, r->argintregs[4]); x86_64_mov_membase_reg(cd, REG_SP, 6 * 8, r->argintregs[5]); x86_64_movq_membase_reg(cd, REG_SP, 7 * 8, r->argfltregs[0]); x86_64_movq_membase_reg(cd, REG_SP, 8 * 8, r->argfltregs[1]); x86_64_movq_membase_reg(cd, REG_SP, 9 * 8, r->argfltregs[2]); x86_64_movq_membase_reg(cd, REG_SP, 10 * 8, r->argfltregs[3]); /* x86_64_movq_membase_reg(cd, REG_SP, 11 * 8, r->argfltregs[4]); */ /* x86_64_movq_membase_reg(cd, REG_SP, 12 * 8, r->argfltregs[5]); */ /* x86_64_movq_membase_reg(cd, REG_SP, 13 * 8, r->argfltregs[6]); */ /* x86_64_movq_membase_reg(cd, REG_SP, 14 * 8, r->argfltregs[7]); */ x86_64_alu_imm_reg(cd, X86_64_ADD, (6 + 8 + 1 + 1) * 8, REG_SP); } /* take arguments out of register or stack frame */ for (p = 0, l = 0, s1 = 0, s2 = 0; p < m->paramcount; p++) { t = m->paramtypes[p]; var = &(r->locals[l][t]); l++; if (IS_2_WORD_TYPE(t)) /* increment local counter for 2 word types */ l++; if (var->type < 0) { if (IS_INT_LNG_TYPE(t)) { s1++; } else { s2++; } continue; } if (IS_INT_LNG_TYPE(t)) { /* integer args */ if (s1 < INT_ARG_CNT) { /* register arguments */ if (!(var->flags & INMEMORY)) { /* reg arg -> register */ M_INTMOVE(r->argintregs[s1], var->regoff); } else { /* reg arg -> spilled */ x86_64_mov_reg_membase(cd, r->argintregs[s1], REG_SP, var->regoff * 8); } } else { /* stack arguments */ pa = s1 - INT_ARG_CNT; if (s2 >= FLT_ARG_CNT) { pa += s2 - FLT_ARG_CNT; } if (!(var->flags & INMEMORY)) { /* stack arg -> register */ x86_64_mov_membase_reg(cd, REG_SP, (parentargs_base + pa) * 8 + 8, var->regoff); /* + 8 for return address */ } else { /* stack arg -> spilled */ x86_64_mov_membase_reg(cd, REG_SP, (parentargs_base + pa) * 8 + 8, REG_ITMP1); /* + 8 for return address */ x86_64_mov_reg_membase(cd, REG_ITMP1, REG_SP, var->regoff * 8); } } s1++; } else { /* floating args */ if (s2 < FLT_ARG_CNT) { /* register arguments */ if (!(var->flags & INMEMORY)) { /* reg arg -> register */ M_FLTMOVE(r->argfltregs[s2], var->regoff); } else { /* reg arg -> spilled */ x86_64_movq_reg_membase(cd, r->argfltregs[s2], REG_SP, var->regoff * 8); } } else { /* stack arguments */ pa = s2 - FLT_ARG_CNT; if (s1 >= INT_ARG_CNT) { pa += s1 - INT_ARG_CNT; } if (!(var->flags & INMEMORY)) { /* stack-arg -> register */ x86_64_movq_membase_reg(cd, REG_SP, (parentargs_base + pa) * 8 + 8, var->regoff); } else { x86_64_movq_membase_reg(cd, REG_SP, (parentargs_base + pa) * 8 + 8, REG_FTMP1); x86_64_movq_reg_membase(cd, REG_FTMP1, REG_SP, var->regoff * 8); } } s2++; } } /* end for */ /* call monitorenter function */ #if defined(USE_THREADS) if (checksync && (m->flags & ACC_SYNCHRONIZED)) { s8 func_enter = (m->flags & ACC_STATIC) ? (s8) builtin_staticmonitorenter : (s8) builtin_monitorenter; x86_64_mov_membase_reg(cd, REG_SP, r->maxmemuse * 8, r->argintregs[0]); x86_64_mov_imm_reg(cd, func_enter, REG_ITMP1); x86_64_call_reg(cd, REG_ITMP1); } #endif } /* end of header generation */ /* walk through all basic blocks */ for (bptr = m->basicblocks; bptr != NULL; bptr = bptr->next) { bptr->mpc = (u4) ((u1 *) cd->mcodeptr - cd->mcodebase); if (bptr->flags >= BBREACHED) { /* branch resolving */ branchref *bref; for (bref = bptr->branchrefs; bref != NULL; bref = bref->next) { gen_resolvebranch((u1 *) cd->mcodebase + bref->branchpos, bref->branchpos, bptr->mpc); } /* copy interface registers to their destination */ src = bptr->instack; len = bptr->indepth; MCODECHECK(64 + len); while (src != NULL) { len--; if ((len == 0) && (bptr->type != BBTYPE_STD)) { if (bptr->type == BBTYPE_SBR) { d = reg_of_var(m, src, REG_ITMP1); x86_64_pop_reg(cd, d); store_reg_to_var_int(src, d); } else if (bptr->type == BBTYPE_EXH) { d = reg_of_var(m, src, REG_ITMP1); M_INTMOVE(REG_ITMP1, d); store_reg_to_var_int(src, d); } } else { d = reg_of_var(m, src, REG_ITMP1); if ((src->varkind != STACKVAR)) { s2 = src->type; if (IS_FLT_DBL_TYPE(s2)) { s1 = r->interfaces[len][s2].regoff; if (!(r->interfaces[len][s2].flags & INMEMORY)) { M_FLTMOVE(s1, d); } else { x86_64_movq_membase_reg(cd, REG_SP, s1 * 8, d); } store_reg_to_var_flt(src, d); } else { s1 = r->interfaces[len][s2].regoff; if (!(r->interfaces[len][s2].flags & INMEMORY)) { M_INTMOVE(s1, d); } else { x86_64_mov_membase_reg(cd, REG_SP, s1 * 8, d); } store_reg_to_var_int(src, d); } } } src = src->prev; } /* walk through all instructions */ src = bptr->instack; len = bptr->icount; for (iptr = bptr->iinstr; len > 0; src = iptr->dst, len--, iptr++) { MCODECHECK(64); /* an instruction usually needs < 64 words */ switch (iptr->opc) { case ICMD_NOP: /* ... ==> ... */ break; case ICMD_NULLCHECKPOP: /* ..., objectref ==> ... */ if (src->flags & INMEMORY) { x86_64_alu_imm_membase(cd, X86_64_CMP, 0, REG_SP, src->regoff * 8); } else { x86_64_test_reg_reg(cd, src->regoff, src->regoff); } x86_64_jcc(cd, X86_64_CC_E, 0); codegen_addxnullrefs(m, cd->mcodeptr); break; /* constant operations ************************************************/ case ICMD_ICONST: /* ... ==> ..., constant */ /* op1 = 0, val.i = constant */ d = reg_of_var(m, iptr->dst, REG_ITMP1); if (iptr->val.i == 0) { x86_64_alu_reg_reg(cd, X86_64_XOR, d, d); } else { x86_64_movl_imm_reg(cd, iptr->val.i, d); } store_reg_to_var_int(iptr->dst, d); break; case ICMD_ACONST: /* ... ==> ..., constant */ /* op1 = 0, val.a = constant */ d = reg_of_var(m, iptr->dst, REG_ITMP1); if (iptr->val.a == 0) { x86_64_alu_reg_reg(cd, X86_64_XOR, d, d); } else { x86_64_mov_imm_reg(cd, (s8) iptr->val.a, d); } store_reg_to_var_int(iptr->dst, d); break; case ICMD_LCONST: /* ... ==> ..., constant */ /* op1 = 0, val.l = constant */ d = reg_of_var(m, iptr->dst, REG_ITMP1); if (iptr->val.l == 0) { x86_64_alu_reg_reg(cd, X86_64_XOR, d, d); } else { x86_64_mov_imm_reg(cd, iptr->val.l, d); } store_reg_to_var_int(iptr->dst, d); break; case ICMD_FCONST: /* ... ==> ..., constant */ /* op1 = 0, val.f = constant */ d = reg_of_var(m, iptr->dst, REG_FTMP1); a = dseg_addfloat(m, iptr->val.f); x86_64_movdl_membase_reg(cd, RIP, -(((s8) cd->mcodeptr + ((d > 7) ? 9 : 8)) - (s8) cd->mcodebase) + a, d); store_reg_to_var_flt(iptr->dst, d); break; case ICMD_DCONST: /* ... ==> ..., constant */ /* op1 = 0, val.d = constant */ d = reg_of_var(m, iptr->dst, REG_FTMP1); a = dseg_adddouble(m, iptr->val.d); x86_64_movd_membase_reg(cd, RIP, -(((s8) cd->mcodeptr + 9) - (s8) cd->mcodebase) + a, d); store_reg_to_var_flt(iptr->dst, d); break; /* load/store operations **********************************************/ case ICMD_ILOAD: /* ... ==> ..., content of local variable */ /* op1 = local variable */ d = reg_of_var(m, iptr->dst, REG_ITMP1); if ((iptr->dst->varkind == LOCALVAR) && (iptr->dst->varnum == iptr->op1)) { break; } var = &(r->locals[iptr->op1][iptr->opc - ICMD_ILOAD]); if (var->flags & INMEMORY) { x86_64_movl_membase_reg(cd, REG_SP, var->regoff * 8, d); store_reg_to_var_int(iptr->dst, d); } else { if (iptr->dst->flags & INMEMORY) { x86_64_mov_reg_membase(cd, var->regoff, REG_SP, iptr->dst->regoff * 8); } else { M_INTMOVE(var->regoff, d); } } break; case ICMD_LLOAD: /* ... ==> ..., content of local variable */ case ICMD_ALOAD: /* op1 = local variable */ d = reg_of_var(m, iptr->dst, REG_ITMP1); if ((iptr->dst->varkind == LOCALVAR) && (iptr->dst->varnum == iptr->op1)) { break; } var = &(r->locals[iptr->op1][iptr->opc - ICMD_ILOAD]); if (var->flags & INMEMORY) { x86_64_mov_membase_reg(cd, REG_SP, var->regoff * 8, d); store_reg_to_var_int(iptr->dst, d); } else { if (iptr->dst->flags & INMEMORY) { x86_64_mov_reg_membase(cd, var->regoff, REG_SP, iptr->dst->regoff * 8); } else { M_INTMOVE(var->regoff, d); } } break; case ICMD_FLOAD: /* ... ==> ..., content of local variable */ case ICMD_DLOAD: /* op1 = local variable */ d = reg_of_var(m, iptr->dst, REG_FTMP1); if ((iptr->dst->varkind == LOCALVAR) && (iptr->dst->varnum == iptr->op1)) { break; } var = &(r->locals[iptr->op1][iptr->opc - ICMD_ILOAD]); if (var->flags & INMEMORY) { x86_64_movq_membase_reg(cd, REG_SP, var->regoff * 8, d); store_reg_to_var_flt(iptr->dst, d); } else { if (iptr->dst->flags & INMEMORY) { x86_64_movq_reg_membase(cd, var->regoff, REG_SP, iptr->dst->regoff * 8); } else { M_FLTMOVE(var->regoff, d); } } break; case ICMD_ISTORE: /* ..., value ==> ... */ case ICMD_LSTORE: /* op1 = local variable */ case ICMD_ASTORE: if ((src->varkind == LOCALVAR) && (src->varnum == iptr->op1)) { break; } var = &(r->locals[iptr->op1][iptr->opc - ICMD_ISTORE]); if (var->flags & INMEMORY) { var_to_reg_int(s1, src, REG_ITMP1); x86_64_mov_reg_membase(cd, s1, REG_SP, var->regoff * 8); } else { var_to_reg_int(s1, src, var->regoff); M_INTMOVE(s1, var->regoff); } break; case ICMD_FSTORE: /* ..., value ==> ... */ case ICMD_DSTORE: /* op1 = local variable */ if ((src->varkind == LOCALVAR) && (src->varnum == iptr->op1)) { break; } var = &(r->locals[iptr->op1][iptr->opc - ICMD_ISTORE]); if (var->flags & INMEMORY) { var_to_reg_flt(s1, src, REG_FTMP1); x86_64_movq_reg_membase(cd, s1, REG_SP, var->regoff * 8); } else { var_to_reg_flt(s1, src, var->regoff); M_FLTMOVE(s1, var->regoff); } break; /* pop/dup/swap operations ********************************************/ /* attention: double and longs are only one entry in CACAO ICMDs */ case ICMD_POP: /* ..., value ==> ... */ case ICMD_POP2: /* ..., value, value ==> ... */ break; case ICMD_DUP: /* ..., a ==> ..., a, a */ M_COPY(src, iptr->dst); break; case ICMD_DUP_X1: /* ..., a, b ==> ..., b, a, b */ M_COPY(src, iptr->dst); M_COPY(src->prev, iptr->dst->prev); M_COPY(iptr->dst, iptr->dst->prev->prev); break; case ICMD_DUP_X2: /* ..., a, b, c ==> ..., c, a, b, c */ M_COPY(src, iptr->dst); M_COPY(src->prev, iptr->dst->prev); M_COPY(src->prev->prev, iptr->dst->prev->prev); M_COPY(iptr->dst, iptr->dst->prev->prev->prev); break; case ICMD_DUP2: /* ..., a, b ==> ..., a, b, a, b */ M_COPY(src, iptr->dst); M_COPY(src->prev, iptr->dst->prev); break; case ICMD_DUP2_X1: /* ..., a, b, c ==> ..., b, c, a, b, c */ M_COPY(src, iptr->dst); M_COPY(src->prev, iptr->dst->prev); M_COPY(src->prev->prev, iptr->dst->prev->prev); M_COPY(iptr->dst, iptr->dst->prev->prev->prev); M_COPY(iptr->dst->prev, iptr->dst->prev->prev->prev->prev); break; case ICMD_DUP2_X2: /* ..., a, b, c, d ==> ..., c, d, a, b, c, d */ M_COPY(src, iptr->dst); M_COPY(src->prev, iptr->dst->prev); M_COPY(src->prev->prev, iptr->dst->prev->prev); M_COPY(src->prev->prev->prev, iptr->dst->prev->prev->prev); M_COPY(iptr->dst, iptr->dst->prev->prev->prev->prev); M_COPY(iptr->dst->prev, iptr->dst->prev->prev->prev->prev->prev); break; case ICMD_SWAP: /* ..., a, b ==> ..., b, a */ M_COPY(src, iptr->dst->prev); M_COPY(src->prev, iptr->dst); break; /* integer operations *************************************************/ case ICMD_INEG: /* ..., value ==> ..., - value */ d = reg_of_var(m, iptr->dst, REG_NULL); if (iptr->dst->flags & INMEMORY) { if (src->flags & INMEMORY) { if (src->regoff == iptr->dst->regoff) { x86_64_negl_membase(cd, REG_SP, iptr->dst->regoff * 8); } else { x86_64_movl_membase_reg(cd, REG_SP, src->regoff * 8, REG_ITMP1); x86_64_negl_reg(cd, REG_ITMP1); x86_64_movl_reg_membase(cd, REG_ITMP1, REG_SP, iptr->dst->regoff * 8); } } else { x86_64_movl_reg_membase(cd, src->regoff, REG_SP, iptr->dst->regoff * 8); x86_64_negl_membase(cd, REG_SP, iptr->dst->regoff * 8); } } else { if (src->flags & INMEMORY) { x86_64_movl_membase_reg(cd, REG_SP, src->regoff * 8, iptr->dst->regoff); x86_64_negl_reg(cd, d); } else { M_INTMOVE(src->regoff, iptr->dst->regoff); x86_64_negl_reg(cd, iptr->dst->regoff); } } break; case ICMD_LNEG: /* ..., value ==> ..., - value */ d = reg_of_var(m, iptr->dst, REG_NULL); if (iptr->dst->flags & INMEMORY) { if (src->flags & INMEMORY) { if (src->regoff == iptr->dst->regoff) { x86_64_neg_membase(cd, REG_SP, iptr->dst->regoff * 8); } else { x86_64_mov_membase_reg(cd, REG_SP, src->regoff * 8, REG_ITMP1); x86_64_neg_reg(cd, REG_ITMP1); x86_64_mov_reg_membase(cd, REG_ITMP1, REG_SP, iptr->dst->regoff * 8); } } else { x86_64_mov_reg_membase(cd, src->regoff, REG_SP, iptr->dst->regoff * 8); x86_64_neg_membase(cd, REG_SP, iptr->dst->regoff * 8); } } else { if (src->flags & INMEMORY) { x86_64_mov_membase_reg(cd, REG_SP, src->regoff * 8, iptr->dst->regoff); x86_64_neg_reg(cd, iptr->dst->regoff); } else { M_INTMOVE(src->regoff, iptr->dst->regoff); x86_64_neg_reg(cd, iptr->dst->regoff); } } break; case ICMD_I2L: /* ..., value ==> ..., value */ d = reg_of_var(m, iptr->dst, REG_ITMP3); if (src->flags & INMEMORY) { x86_64_movslq_membase_reg(cd, REG_SP, src->regoff * 8, d); } else { x86_64_movslq_reg_reg(cd, src->regoff, d); } store_reg_to_var_int(iptr->dst, d); break; case ICMD_L2I: /* ..., value ==> ..., value */ var_to_reg_int(s1, src, REG_ITMP1); d = reg_of_var(m, iptr->dst, REG_ITMP3); M_INTMOVE(s1, d); store_reg_to_var_int(iptr->dst, d); break; case ICMD_INT2BYTE: /* ..., value ==> ..., value */ d = reg_of_var(m, iptr->dst, REG_ITMP3); if (src->flags & INMEMORY) { x86_64_movsbq_membase_reg(cd, REG_SP, src->regoff * 8, d); } else { x86_64_movsbq_reg_reg(cd, src->regoff, d); } store_reg_to_var_int(iptr->dst, d); break; case ICMD_INT2CHAR: /* ..., value ==> ..., value */ d = reg_of_var(m, iptr->dst, REG_ITMP3); if (src->flags & INMEMORY) { x86_64_movzwq_membase_reg(cd, REG_SP, src->regoff * 8, d); } else { x86_64_movzwq_reg_reg(cd, src->regoff, d); } store_reg_to_var_int(iptr->dst, d); break; case ICMD_INT2SHORT: /* ..., value ==> ..., value */ d = reg_of_var(m, iptr->dst, REG_ITMP3); if (src->flags & INMEMORY) { x86_64_movswq_membase_reg(cd, REG_SP, src->regoff * 8, d); } else { x86_64_movswq_reg_reg(cd, src->regoff, d); } store_reg_to_var_int(iptr->dst, d); break; case ICMD_IADD: /* ..., val1, val2 ==> ..., val1 + val2 */ d = reg_of_var(m, iptr->dst, REG_NULL); x86_64_emit_ialu(m, X86_64_ADD, src, iptr); break; case ICMD_IADDCONST: /* ..., value ==> ..., value + constant */ /* val.i = constant */ d = reg_of_var(m, iptr->dst, REG_NULL); x86_64_emit_ialuconst(m, X86_64_ADD, src, iptr); break; case ICMD_LADD: /* ..., val1, val2 ==> ..., val1 + val2 */ d = reg_of_var(m, iptr->dst, REG_NULL); x86_64_emit_lalu(m, X86_64_ADD, src, iptr); break; case ICMD_LADDCONST: /* ..., value ==> ..., value + constant */ /* val.l = constant */ d = reg_of_var(m, iptr->dst, REG_NULL); x86_64_emit_laluconst(m, X86_64_ADD, src, iptr); break; case ICMD_ISUB: /* ..., val1, val2 ==> ..., val1 - val2 */ d = reg_of_var(m, iptr->dst, REG_NULL); if (iptr->dst->flags & INMEMORY) { if ((src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) { if (src->prev->regoff == iptr->dst->regoff) { x86_64_movl_membase_reg(cd, REG_SP, src->regoff * 8, REG_ITMP1); x86_64_alul_reg_membase(cd, X86_64_SUB, REG_ITMP1, REG_SP, iptr->dst->regoff * 8); } else { x86_64_movl_membase_reg(cd, REG_SP, src->prev->regoff * 8, REG_ITMP1); x86_64_alul_membase_reg(cd, X86_64_SUB, REG_SP, src->regoff * 8, REG_ITMP1); x86_64_movl_reg_membase(cd, REG_ITMP1, REG_SP, iptr->dst->regoff * 8); } } else if ((src->flags & INMEMORY) && !(src->prev->flags & INMEMORY)) { M_INTMOVE(src->prev->regoff, REG_ITMP1); x86_64_alul_membase_reg(cd, X86_64_SUB, REG_SP, src->regoff * 8, REG_ITMP1); x86_64_movl_reg_membase(cd, REG_ITMP1, REG_SP, iptr->dst->regoff * 8); } else if (!(src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) { if (src->prev->regoff == iptr->dst->regoff) { x86_64_alul_reg_membase(cd, X86_64_SUB, src->regoff, REG_SP, iptr->dst->regoff * 8); } else { x86_64_movl_membase_reg(cd, REG_SP, src->prev->regoff * 8, REG_ITMP1); x86_64_alul_reg_reg(cd, X86_64_SUB, src->regoff, REG_ITMP1); x86_64_movl_reg_membase(cd, REG_ITMP1, REG_SP, iptr->dst->regoff * 8); } } else { x86_64_movl_reg_membase(cd, src->prev->regoff, REG_SP, iptr->dst->regoff * 8); x86_64_alul_reg_membase(cd, X86_64_SUB, src->regoff, REG_SP, iptr->dst->regoff * 8); } } else { if ((src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) { x86_64_movl_membase_reg(cd, REG_SP, src->prev->regoff * 8, d); x86_64_alul_membase_reg(cd, X86_64_SUB, REG_SP, src->regoff * 8, d); } else if ((src->flags & INMEMORY) && !(src->prev->flags & INMEMORY)) { M_INTMOVE(src->prev->regoff, d); x86_64_alul_membase_reg(cd, X86_64_SUB, REG_SP, src->regoff * 8, d); } else if (!(src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) { /* workaround for reg alloc */ if (src->regoff == iptr->dst->regoff) { x86_64_movl_membase_reg(cd, REG_SP, src->prev->regoff * 8, REG_ITMP1); x86_64_alul_reg_reg(cd, X86_64_SUB, src->regoff, REG_ITMP1); M_INTMOVE(REG_ITMP1, d); } else { x86_64_movl_membase_reg(cd, REG_SP, src->prev->regoff * 8, d); x86_64_alul_reg_reg(cd, X86_64_SUB, src->regoff, d); } } else { /* workaround for reg alloc */ if (src->regoff == iptr->dst->regoff) { M_INTMOVE(src->prev->regoff, REG_ITMP1); x86_64_alul_reg_reg(cd, X86_64_SUB, src->regoff, REG_ITMP1); M_INTMOVE(REG_ITMP1, d); } else { M_INTMOVE(src->prev->regoff, d); x86_64_alul_reg_reg(cd, X86_64_SUB, src->regoff, d); } } } break; case ICMD_ISUBCONST: /* ..., value ==> ..., value + constant */ /* val.i = constant */ d = reg_of_var(m, iptr->dst, REG_NULL); x86_64_emit_ialuconst(m, X86_64_SUB, src, iptr); break; case ICMD_LSUB: /* ..., val1, val2 ==> ..., val1 - val2 */ d = reg_of_var(m, iptr->dst, REG_NULL); if (iptr->dst->flags & INMEMORY) { if ((src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) { if (src->prev->regoff == iptr->dst->regoff) { x86_64_mov_membase_reg(cd, REG_SP, src->regoff * 8, REG_ITMP1); x86_64_alu_reg_membase(cd, X86_64_SUB, REG_ITMP1, REG_SP, iptr->dst->regoff * 8); } else { x86_64_mov_membase_reg(cd, REG_SP, src->prev->regoff * 8, REG_ITMP1); x86_64_alu_membase_reg(cd, X86_64_SUB, REG_SP, src->regoff * 8, REG_ITMP1); x86_64_mov_reg_membase(cd, REG_ITMP1, REG_SP, iptr->dst->regoff * 8); } } else if ((src->flags & INMEMORY) && !(src->prev->flags & INMEMORY)) { M_INTMOVE(src->prev->regoff, REG_ITMP1); x86_64_alu_membase_reg(cd, X86_64_SUB, REG_SP, src->regoff * 8, REG_ITMP1); x86_64_mov_reg_membase(cd, REG_ITMP1, REG_SP, iptr->dst->regoff * 8); } else if (!(src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) { if (src->prev->regoff == iptr->dst->regoff) { x86_64_alu_reg_membase(cd, X86_64_SUB, src->regoff, REG_SP, iptr->dst->regoff * 8); } else { x86_64_mov_membase_reg(cd, REG_SP, src->prev->regoff * 8, REG_ITMP1); x86_64_alu_reg_reg(cd, X86_64_SUB, src->regoff, REG_ITMP1); x86_64_mov_reg_membase(cd, REG_ITMP1, REG_SP, iptr->dst->regoff * 8); } } else { x86_64_mov_reg_membase(cd, src->prev->regoff, REG_SP, iptr->dst->regoff * 8); x86_64_alu_reg_membase(cd, X86_64_SUB, src->regoff, REG_SP, iptr->dst->regoff * 8); } } else { if ((src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) { x86_64_mov_membase_reg(cd, REG_SP, src->prev->regoff * 8, d); x86_64_alu_membase_reg(cd, X86_64_SUB, REG_SP, src->regoff * 8, d); } else if ((src->flags & INMEMORY) && !(src->prev->flags & INMEMORY)) { M_INTMOVE(src->prev->regoff, d); x86_64_alu_membase_reg(cd, X86_64_SUB, REG_SP, src->regoff * 8, d); } else if (!(src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) { /* workaround for reg alloc */ if (src->regoff == iptr->dst->regoff) { x86_64_mov_membase_reg(cd, REG_SP, src->prev->regoff * 8, REG_ITMP1); x86_64_alu_reg_reg(cd, X86_64_SUB, src->regoff, REG_ITMP1); M_INTMOVE(REG_ITMP1, d); } else { x86_64_mov_membase_reg(cd, REG_SP, src->prev->regoff * 8, d); x86_64_alu_reg_reg(cd, X86_64_SUB, src->regoff, d); } } else { /* workaround for reg alloc */ if (src->regoff == iptr->dst->regoff) { M_INTMOVE(src->prev->regoff, REG_ITMP1); x86_64_alu_reg_reg(cd, X86_64_SUB, src->regoff, REG_ITMP1); M_INTMOVE(REG_ITMP1, d); } else { M_INTMOVE(src->prev->regoff, d); x86_64_alu_reg_reg(cd, X86_64_SUB, src->regoff, d); } } } break; case ICMD_LSUBCONST: /* ..., value ==> ..., value - constant */ /* val.l = constant */ d = reg_of_var(m, iptr->dst, REG_NULL); x86_64_emit_laluconst(m, X86_64_SUB, src, iptr); break; case ICMD_IMUL: /* ..., val1, val2 ==> ..., val1 * val2 */ d = reg_of_var(m, iptr->dst, REG_NULL); if (iptr->dst->flags & INMEMORY) { if ((src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) { x86_64_movl_membase_reg(cd, REG_SP, src->prev->regoff * 8, REG_ITMP1); x86_64_imull_membase_reg(cd, REG_SP, src->regoff * 8, REG_ITMP1); x86_64_movl_reg_membase(cd, REG_ITMP1, REG_SP, iptr->dst->regoff * 8); } else if ((src->flags & INMEMORY) && !(src->prev->flags & INMEMORY)) { x86_64_movl_membase_reg(cd, REG_SP, src->regoff * 8, REG_ITMP1); x86_64_imull_reg_reg(cd, src->prev->regoff, REG_ITMP1); x86_64_movl_reg_membase(cd, REG_ITMP1, REG_SP, iptr->dst->regoff * 8); } else if (!(src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) { x86_64_movl_membase_reg(cd, REG_SP, src->prev->regoff * 8, REG_ITMP1); x86_64_imull_reg_reg(cd, src->regoff, REG_ITMP1); x86_64_movl_reg_membase(cd, REG_ITMP1, REG_SP, iptr->dst->regoff * 8); } else { M_INTMOVE(src->prev->regoff, REG_ITMP1); x86_64_imull_reg_reg(cd, src->regoff, REG_ITMP1); x86_64_movl_reg_membase(cd, REG_ITMP1, REG_SP, iptr->dst->regoff * 8); } } else { if ((src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) { x86_64_movl_membase_reg(cd, REG_SP, src->prev->regoff * 8, iptr->dst->regoff); x86_64_imull_membase_reg(cd, REG_SP, src->regoff * 8, iptr->dst->regoff); } else if ((src->flags & INMEMORY) && !(src->prev->flags & INMEMORY)) { M_INTMOVE(src->prev->regoff, iptr->dst->regoff); x86_64_imull_membase_reg(cd, REG_SP, src->regoff * 8, iptr->dst->regoff); } else if (!(src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) { M_INTMOVE(src->regoff, iptr->dst->regoff); x86_64_imull_membase_reg(cd, REG_SP, src->prev->regoff * 8, iptr->dst->regoff); } else { if (src->regoff == iptr->dst->regoff) { x86_64_imull_reg_reg(cd, src->prev->regoff, iptr->dst->regoff); } else { M_INTMOVE(src->prev->regoff, iptr->dst->regoff); x86_64_imull_reg_reg(cd, src->regoff, iptr->dst->regoff); } } } break; case ICMD_IMULCONST: /* ..., value ==> ..., value * constant */ /* val.i = constant */ d = reg_of_var(m, iptr->dst, REG_NULL); if (iptr->dst->flags & INMEMORY) { if (src->flags & INMEMORY) { x86_64_imull_imm_membase_reg(cd, iptr->val.i, REG_SP, src->regoff * 8, REG_ITMP1); x86_64_movl_reg_membase(cd, REG_ITMP1, REG_SP, iptr->dst->regoff * 8); } else { x86_64_imull_imm_reg_reg(cd, iptr->val.i, src->regoff, REG_ITMP1); x86_64_movl_reg_membase(cd, REG_ITMP1, REG_SP, iptr->dst->regoff * 8); } } else { if (src->flags & INMEMORY) { x86_64_imull_imm_membase_reg(cd, iptr->val.i, REG_SP, src->regoff * 8, iptr->dst->regoff); } else { if (iptr->val.i == 2) { M_INTMOVE(src->regoff, iptr->dst->regoff); x86_64_alul_reg_reg(cd, X86_64_ADD, iptr->dst->regoff, iptr->dst->regoff); } else { x86_64_imull_imm_reg_reg(cd, iptr->val.i, src->regoff, iptr->dst->regoff); /* 3 cycles */ } } } break; case ICMD_LMUL: /* ..., val1, val2 ==> ..., val1 * val2 */ d = reg_of_var(m, iptr->dst, REG_NULL); if (iptr->dst->flags & INMEMORY) { if ((src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) { x86_64_mov_membase_reg(cd, REG_SP, src->prev->regoff * 8, REG_ITMP1); x86_64_imul_membase_reg(cd, REG_SP, src->regoff * 8, REG_ITMP1); x86_64_mov_reg_membase(cd, REG_ITMP1, REG_SP, iptr->dst->regoff * 8); } else if ((src->flags & INMEMORY) && !(src->prev->flags & INMEMORY)) { x86_64_mov_membase_reg(cd, REG_SP, src->regoff * 8, REG_ITMP1); x86_64_imul_reg_reg(cd, src->prev->regoff, REG_ITMP1); x86_64_mov_reg_membase(cd, REG_ITMP1, REG_SP, iptr->dst->regoff * 8); } else if (!(src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) { x86_64_mov_membase_reg(cd, REG_SP, src->prev->regoff * 8, REG_ITMP1); x86_64_imul_reg_reg(cd, src->regoff, REG_ITMP1); x86_64_mov_reg_membase(cd, REG_ITMP1, REG_SP, iptr->dst->regoff * 8); } else { x86_64_mov_reg_reg(cd, src->prev->regoff, REG_ITMP1); x86_64_imul_reg_reg(cd, src->regoff, REG_ITMP1); x86_64_mov_reg_membase(cd, REG_ITMP1, REG_SP, iptr->dst->regoff * 8); } } else { if ((src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) { x86_64_mov_membase_reg(cd, REG_SP, src->prev->regoff * 8, iptr->dst->regoff); x86_64_imul_membase_reg(cd, REG_SP, src->regoff * 8, iptr->dst->regoff); } else if ((src->flags & INMEMORY) && !(src->prev->flags & INMEMORY)) { M_INTMOVE(src->prev->regoff, iptr->dst->regoff); x86_64_imul_membase_reg(cd, REG_SP, src->regoff * 8, iptr->dst->regoff); } else if (!(src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) { M_INTMOVE(src->regoff, iptr->dst->regoff); x86_64_imul_membase_reg(cd, REG_SP, src->prev->regoff * 8, iptr->dst->regoff); } else { if (src->regoff == iptr->dst->regoff) { x86_64_imul_reg_reg(cd, src->prev->regoff, iptr->dst->regoff); } else { M_INTMOVE(src->prev->regoff, iptr->dst->regoff); x86_64_imul_reg_reg(cd, src->regoff, iptr->dst->regoff); } } } break; case ICMD_LMULCONST: /* ..., value ==> ..., value * constant */ /* val.l = constant */ d = reg_of_var(m, iptr->dst, REG_NULL); if (iptr->dst->flags & INMEMORY) { if (src->flags & INMEMORY) { if (x86_64_is_imm32(iptr->val.l)) { x86_64_imul_imm_membase_reg(cd, iptr->val.l, REG_SP, src->regoff * 8, REG_ITMP1); } else { x86_64_mov_imm_reg(cd, iptr->val.l, REG_ITMP1); x86_64_imul_membase_reg(cd, REG_SP, src->regoff * 8, REG_ITMP1); } x86_64_mov_reg_membase(cd, REG_ITMP1, REG_SP, iptr->dst->regoff * 8); } else { if (x86_64_is_imm32(iptr->val.l)) { x86_64_imul_imm_reg_reg(cd, iptr->val.l, src->regoff, REG_ITMP1); } else { x86_64_mov_imm_reg(cd, iptr->val.l, REG_ITMP1); x86_64_imul_reg_reg(cd, src->regoff, REG_ITMP1); } x86_64_mov_reg_membase(cd, REG_ITMP1, REG_SP, iptr->dst->regoff * 8); } } else { if (src->flags & INMEMORY) { if (x86_64_is_imm32(iptr->val.l)) { x86_64_imul_imm_membase_reg(cd, iptr->val.l, REG_SP, src->regoff * 8, iptr->dst->regoff); } else { x86_64_mov_imm_reg(cd, iptr->val.l, iptr->dst->regoff); x86_64_imul_membase_reg(cd, REG_SP, src->regoff * 8, iptr->dst->regoff); } } else { /* should match in many cases */ if (iptr->val.l == 2) { M_INTMOVE(src->regoff, iptr->dst->regoff); x86_64_alul_reg_reg(cd, X86_64_ADD, iptr->dst->regoff, iptr->dst->regoff); } else { if (x86_64_is_imm32(iptr->val.l)) { x86_64_imul_imm_reg_reg(cd, iptr->val.l, src->regoff, iptr->dst->regoff); /* 4 cycles */ } else { x86_64_mov_imm_reg(cd, iptr->val.l, REG_ITMP1); M_INTMOVE(src->regoff, iptr->dst->regoff); x86_64_imul_reg_reg(cd, REG_ITMP1, iptr->dst->regoff); } } } } break; case ICMD_IDIV: /* ..., val1, val2 ==> ..., val1 / val2 */ d = reg_of_var(m, iptr->dst, REG_NULL); if (src->prev->flags & INMEMORY) { x86_64_movl_membase_reg(cd, REG_SP, src->prev->regoff * 8, RAX); } else { M_INTMOVE(src->prev->regoff, RAX); } if (src->flags & INMEMORY) { x86_64_movl_membase_reg(cd, REG_SP, src->regoff * 8, REG_ITMP3); } else { M_INTMOVE(src->regoff, REG_ITMP3); } gen_div_check(src); x86_64_alul_imm_reg(cd, X86_64_CMP, 0x80000000, RAX); /* check as described in jvm spec */ x86_64_jcc(cd, X86_64_CC_NE, 4 + 6); x86_64_alul_imm_reg(cd, X86_64_CMP, -1, REG_ITMP3); /* 4 bytes */ x86_64_jcc(cd, X86_64_CC_E, 3 + 1 + 3); /* 6 bytes */ x86_64_mov_reg_reg(cd, RDX, REG_ITMP2); /* save %rdx, cause it's an argument register */ x86_64_cltd(cd); x86_64_idivl_reg(cd, REG_ITMP3); if (iptr->dst->flags & INMEMORY) { x86_64_mov_reg_membase(cd, RAX, REG_SP, iptr->dst->regoff * 8); x86_64_mov_reg_reg(cd, REG_ITMP2, RDX); /* restore %rdx */ } else { M_INTMOVE(RAX, iptr->dst->regoff); if (iptr->dst->regoff != RDX) { x86_64_mov_reg_reg(cd, REG_ITMP2, RDX); /* restore %rdx */ } } break; case ICMD_IREM: /* ..., val1, val2 ==> ..., val1 % val2 */ d = reg_of_var(m, iptr->dst, REG_NULL); if (src->prev->flags & INMEMORY) { x86_64_movl_membase_reg(cd, REG_SP, src->prev->regoff * 8, RAX); } else { M_INTMOVE(src->prev->regoff, RAX); } if (src->flags & INMEMORY) { x86_64_movl_membase_reg(cd, REG_SP, src->regoff * 8, REG_ITMP3); } else { M_INTMOVE(src->regoff, REG_ITMP3); } gen_div_check(src); x86_64_alul_imm_reg(cd, X86_64_CMP, 0x80000000, RAX); /* check as described in jvm spec */ x86_64_jcc(cd, X86_64_CC_NE, 2 + 4 + 6); x86_64_alul_reg_reg(cd, X86_64_XOR, RDX, RDX); /* 2 bytes */ x86_64_alul_imm_reg(cd, X86_64_CMP, -1, REG_ITMP3); /* 4 bytes */ x86_64_jcc(cd, X86_64_CC_E, 3 + 1 + 3); /* 6 bytes */ x86_64_mov_reg_reg(cd, RDX, REG_ITMP2); /* save %rdx, cause it's an argument register */ x86_64_cltd(cd); x86_64_idivl_reg(cd, REG_ITMP3); if (iptr->dst->flags & INMEMORY) { x86_64_mov_reg_membase(cd, RDX, REG_SP, iptr->dst->regoff * 8); x86_64_mov_reg_reg(cd, REG_ITMP2, RDX); /* restore %rdx */ } else { M_INTMOVE(RDX, iptr->dst->regoff); if (iptr->dst->regoff != RDX) { x86_64_mov_reg_reg(cd, REG_ITMP2, RDX); /* restore %rdx */ } } break; case ICMD_IDIVPOW2: /* ..., value ==> ..., value >> constant */ /* val.i = constant */ var_to_reg_int(s1, src, REG_ITMP1); d = reg_of_var(m, iptr->dst, REG_ITMP3); M_INTMOVE(s1, REG_ITMP1); x86_64_alul_imm_reg(cd, X86_64_CMP, -1, REG_ITMP1); x86_64_leal_membase_reg(cd, REG_ITMP1, (1 << iptr->val.i) - 1, REG_ITMP2); x86_64_cmovccl_reg_reg(cd, X86_64_CC_LE, REG_ITMP2, REG_ITMP1); x86_64_shiftl_imm_reg(cd, X86_64_SAR, iptr->val.i, REG_ITMP1); x86_64_mov_reg_reg(cd, REG_ITMP1, d); store_reg_to_var_int(iptr->dst, d); break; case ICMD_IREMPOW2: /* ..., value ==> ..., value % constant */ /* val.i = constant */ var_to_reg_int(s1, src, REG_ITMP1); d = reg_of_var(m, iptr->dst, REG_ITMP3); M_INTMOVE(s1, REG_ITMP1); x86_64_alul_imm_reg(cd, X86_64_CMP, -1, REG_ITMP1); x86_64_leal_membase_reg(cd, REG_ITMP1, iptr->val.i, REG_ITMP2); x86_64_cmovccl_reg_reg(cd, X86_64_CC_G, REG_ITMP1, REG_ITMP2); x86_64_alul_imm_reg(cd, X86_64_AND, -1 - (iptr->val.i), REG_ITMP2); x86_64_alul_reg_reg(cd, X86_64_SUB, REG_ITMP2, REG_ITMP1); x86_64_mov_reg_reg(cd, REG_ITMP1, d); store_reg_to_var_int(iptr->dst, d); break; case ICMD_LDIV: /* ..., val1, val2 ==> ..., val1 / val2 */ d = reg_of_var(m, iptr->dst, REG_NULL); if (src->prev->flags & INMEMORY) { x86_64_mov_membase_reg(cd, REG_SP, src->prev->regoff * 8, REG_ITMP1); } else { M_INTMOVE(src->prev->regoff, REG_ITMP1); } if (src->flags & INMEMORY) { x86_64_mov_membase_reg(cd, REG_SP, src->regoff * 8, REG_ITMP3); } else { M_INTMOVE(src->regoff, REG_ITMP3); } gen_div_check(src); x86_64_mov_imm_reg(cd, 0x8000000000000000LL, REG_ITMP2); /* check as described in jvm spec */ x86_64_alu_reg_reg(cd, X86_64_CMP, REG_ITMP2, REG_ITMP1); x86_64_jcc(cd, X86_64_CC_NE, 4 + 6); x86_64_alu_imm_reg(cd, X86_64_CMP, -1, REG_ITMP3); /* 4 bytes */ x86_64_jcc(cd, X86_64_CC_E, 3 + 2 + 3); /* 6 bytes */ x86_64_mov_reg_reg(cd, RDX, REG_ITMP2); /* save %rdx, cause it's an argument register */ x86_64_cqto(cd); x86_64_idiv_reg(cd, REG_ITMP3); if (iptr->dst->flags & INMEMORY) { x86_64_mov_reg_membase(cd, RAX, REG_SP, iptr->dst->regoff * 8); x86_64_mov_reg_reg(cd, REG_ITMP2, RDX); /* restore %rdx */ } else { M_INTMOVE(RAX, iptr->dst->regoff); if (iptr->dst->regoff != RDX) { x86_64_mov_reg_reg(cd, REG_ITMP2, RDX); /* restore %rdx */ } } break; case ICMD_LREM: /* ..., val1, val2 ==> ..., val1 % val2 */ d = reg_of_var(m, iptr->dst, REG_NULL); if (src->prev->flags & INMEMORY) { x86_64_mov_membase_reg(cd, REG_SP, src->prev->regoff * 8, REG_ITMP1); } else { M_INTMOVE(src->prev->regoff, REG_ITMP1); } if (src->flags & INMEMORY) { x86_64_mov_membase_reg(cd, REG_SP, src->regoff * 8, REG_ITMP3); } else { M_INTMOVE(src->regoff, REG_ITMP3); } gen_div_check(src); x86_64_mov_imm_reg(cd, 0x8000000000000000LL, REG_ITMP2); /* check as described in jvm spec */ x86_64_alu_reg_reg(cd, X86_64_CMP, REG_ITMP2, REG_ITMP1); x86_64_jcc(cd, X86_64_CC_NE, 2 + 4 + 6); x86_64_alul_reg_reg(cd, X86_64_XOR, RDX, RDX); /* 2 bytes */ x86_64_alu_imm_reg(cd, X86_64_CMP, -1, REG_ITMP3); /* 4 bytes */ x86_64_jcc(cd, X86_64_CC_E, 3 + 2 + 3); /* 6 bytes */ x86_64_mov_reg_reg(cd, RDX, REG_ITMP2); /* save %rdx, cause it's an argument register */ x86_64_cqto(cd); x86_64_idiv_reg(cd, REG_ITMP3); if (iptr->dst->flags & INMEMORY) { x86_64_mov_reg_membase(cd, RDX, REG_SP, iptr->dst->regoff * 8); x86_64_mov_reg_reg(cd, REG_ITMP2, RDX); /* restore %rdx */ } else { M_INTMOVE(RDX, iptr->dst->regoff); if (iptr->dst->regoff != RDX) { x86_64_mov_reg_reg(cd, REG_ITMP2, RDX); /* restore %rdx */ } } break; case ICMD_LDIVPOW2: /* ..., value ==> ..., value >> constant */ /* val.i = constant */ var_to_reg_int(s1, src, REG_ITMP1); d = reg_of_var(m, iptr->dst, REG_ITMP3); M_INTMOVE(s1, REG_ITMP1); x86_64_alu_imm_reg(cd, X86_64_CMP, -1, REG_ITMP1); x86_64_lea_membase_reg(cd, REG_ITMP1, (1 << iptr->val.i) - 1, REG_ITMP2); x86_64_cmovcc_reg_reg(cd, X86_64_CC_LE, REG_ITMP2, REG_ITMP1); x86_64_shift_imm_reg(cd, X86_64_SAR, iptr->val.i, REG_ITMP1); x86_64_mov_reg_reg(cd, REG_ITMP1, d); store_reg_to_var_int(iptr->dst, d); break; case ICMD_LREMPOW2: /* ..., value ==> ..., value % constant */ /* val.l = constant */ var_to_reg_int(s1, src, REG_ITMP1); d = reg_of_var(m, iptr->dst, REG_ITMP3); M_INTMOVE(s1, REG_ITMP1); x86_64_alu_imm_reg(cd, X86_64_CMP, -1, REG_ITMP1); x86_64_lea_membase_reg(cd, REG_ITMP1, iptr->val.i, REG_ITMP2); x86_64_cmovcc_reg_reg(cd, X86_64_CC_G, REG_ITMP1, REG_ITMP2); x86_64_alu_imm_reg(cd, X86_64_AND, -1 - (iptr->val.i), REG_ITMP2); x86_64_alu_reg_reg(cd, X86_64_SUB, REG_ITMP2, REG_ITMP1); x86_64_mov_reg_reg(cd, REG_ITMP1, d); store_reg_to_var_int(iptr->dst, d); break; case ICMD_ISHL: /* ..., val1, val2 ==> ..., val1 << val2 */ d = reg_of_var(m, iptr->dst, REG_NULL); x86_64_emit_ishift(m, X86_64_SHL, src, iptr); break; case ICMD_ISHLCONST: /* ..., value ==> ..., value << constant */ /* val.i = constant */ d = reg_of_var(m, iptr->dst, REG_NULL); x86_64_emit_ishiftconst(m, X86_64_SHL, src, iptr); break; case ICMD_ISHR: /* ..., val1, val2 ==> ..., val1 >> val2 */ d = reg_of_var(m, iptr->dst, REG_NULL); x86_64_emit_ishift(m, X86_64_SAR, src, iptr); break; case ICMD_ISHRCONST: /* ..., value ==> ..., value >> constant */ /* val.i = constant */ d = reg_of_var(m, iptr->dst, REG_NULL); x86_64_emit_ishiftconst(m, X86_64_SAR, src, iptr); break; case ICMD_IUSHR: /* ..., val1, val2 ==> ..., val1 >>> val2 */ d = reg_of_var(m, iptr->dst, REG_NULL); x86_64_emit_ishift(m, X86_64_SHR, src, iptr); break; case ICMD_IUSHRCONST: /* ..., value ==> ..., value >>> constant */ /* val.i = constant */ d = reg_of_var(m, iptr->dst, REG_NULL); x86_64_emit_ishiftconst(m, X86_64_SHR, src, iptr); break; case ICMD_LSHL: /* ..., val1, val2 ==> ..., val1 << val2 */ d = reg_of_var(m, iptr->dst, REG_NULL); x86_64_emit_lshift(m, X86_64_SHL, src, iptr); break; case ICMD_LSHLCONST: /* ..., value ==> ..., value << constant */ /* val.i = constant */ d = reg_of_var(m, iptr->dst, REG_NULL); x86_64_emit_lshiftconst(m, X86_64_SHL, src, iptr); break; case ICMD_LSHR: /* ..., val1, val2 ==> ..., val1 >> val2 */ d = reg_of_var(m, iptr->dst, REG_NULL); x86_64_emit_lshift(m, X86_64_SAR, src, iptr); break; case ICMD_LSHRCONST: /* ..., value ==> ..., value >> constant */ /* val.i = constant */ d = reg_of_var(m, iptr->dst, REG_NULL); x86_64_emit_lshiftconst(m, X86_64_SAR, src, iptr); break; case ICMD_LUSHR: /* ..., val1, val2 ==> ..., val1 >>> val2 */ d = reg_of_var(m, iptr->dst, REG_NULL); x86_64_emit_lshift(m, X86_64_SHR, src, iptr); break; case ICMD_LUSHRCONST: /* ..., value ==> ..., value >>> constant */ /* val.l = constant */ d = reg_of_var(m, iptr->dst, REG_NULL); x86_64_emit_lshiftconst(m, X86_64_SHR, src, iptr); break; case ICMD_IAND: /* ..., val1, val2 ==> ..., val1 & val2 */ d = reg_of_var(m, iptr->dst, REG_NULL); x86_64_emit_ialu(m, X86_64_AND, src, iptr); break; case ICMD_IANDCONST: /* ..., value ==> ..., value & constant */ /* val.i = constant */ d = reg_of_var(m, iptr->dst, REG_NULL); x86_64_emit_ialuconst(m, X86_64_AND, src, iptr); break; case ICMD_LAND: /* ..., val1, val2 ==> ..., val1 & val2 */ d = reg_of_var(m, iptr->dst, REG_NULL); x86_64_emit_lalu(m, X86_64_AND, src, iptr); break; case ICMD_LANDCONST: /* ..., value ==> ..., value & constant */ /* val.l = constant */ d = reg_of_var(m, iptr->dst, REG_NULL); x86_64_emit_laluconst(m, X86_64_AND, src, iptr); break; case ICMD_IOR: /* ..., val1, val2 ==> ..., val1 | val2 */ d = reg_of_var(m, iptr->dst, REG_NULL); x86_64_emit_ialu(m, X86_64_OR, src, iptr); break; case ICMD_IORCONST: /* ..., value ==> ..., value | constant */ /* val.i = constant */ d = reg_of_var(m, iptr->dst, REG_NULL); x86_64_emit_ialuconst(m, X86_64_OR, src, iptr); break; case ICMD_LOR: /* ..., val1, val2 ==> ..., val1 | val2 */ d = reg_of_var(m, iptr->dst, REG_NULL); x86_64_emit_lalu(m, X86_64_OR, src, iptr); break; case ICMD_LORCONST: /* ..., value ==> ..., value | constant */ /* val.l = constant */ d = reg_of_var(m, iptr->dst, REG_NULL); x86_64_emit_laluconst(m, X86_64_OR, src, iptr); break; case ICMD_IXOR: /* ..., val1, val2 ==> ..., val1 ^ val2 */ d = reg_of_var(m, iptr->dst, REG_NULL); x86_64_emit_ialu(m, X86_64_XOR, src, iptr); break; case ICMD_IXORCONST: /* ..., value ==> ..., value ^ constant */ /* val.i = constant */ d = reg_of_var(m, iptr->dst, REG_NULL); x86_64_emit_ialuconst(m, X86_64_XOR, src, iptr); break; case ICMD_LXOR: /* ..., val1, val2 ==> ..., val1 ^ val2 */ d = reg_of_var(m, iptr->dst, REG_NULL); x86_64_emit_lalu(m, X86_64_XOR, src, iptr); break; case ICMD_LXORCONST: /* ..., value ==> ..., value ^ constant */ /* val.l = constant */ d = reg_of_var(m, iptr->dst, REG_NULL); x86_64_emit_laluconst(m, X86_64_XOR, src, iptr); break; case ICMD_IINC: /* ..., value ==> ..., value + constant */ /* op1 = variable, val.i = constant */ var = &(r->locals[iptr->op1][TYPE_INT]); d = var->regoff; if (var->flags & INMEMORY) { if (iptr->val.i == 1) { x86_64_incl_membase(cd, REG_SP, d * 8); } else if (iptr->val.i == -1) { x86_64_decl_membase(cd, REG_SP, d * 8); } else { x86_64_alul_imm_membase(cd, X86_64_ADD, iptr->val.i, REG_SP, d * 8); } } else { if (iptr->val.i == 1) { x86_64_incl_reg(cd, d); } else if (iptr->val.i == -1) { x86_64_decl_reg(cd, d); } else { x86_64_alul_imm_reg(cd, X86_64_ADD, iptr->val.i, d); } } break; /* floating operations ************************************************/ case ICMD_FNEG: /* ..., value ==> ..., - value */ var_to_reg_flt(s1, src, REG_FTMP1); d = reg_of_var(m, iptr->dst, REG_FTMP3); a = dseg_adds4(m, 0x80000000); M_FLTMOVE(s1, d); x86_64_movss_membase_reg(cd, RIP, -(((s8) cd->mcodeptr + 9) - (s8) cd->mcodebase) + a, REG_FTMP2); x86_64_xorps_reg_reg(cd, REG_FTMP2, d); store_reg_to_var_flt(iptr->dst, d); break; case ICMD_DNEG: /* ..., value ==> ..., - value */ var_to_reg_flt(s1, src, REG_FTMP1); d = reg_of_var(m, iptr->dst, REG_FTMP3); a = dseg_adds8(m, 0x8000000000000000); M_FLTMOVE(s1, d); x86_64_movd_membase_reg(cd, RIP, -(((s8) cd->mcodeptr + 9) - (s8) cd->mcodebase) + a, REG_FTMP2); x86_64_xorpd_reg_reg(cd, REG_FTMP2, d); store_reg_to_var_flt(iptr->dst, d); break; case ICMD_FADD: /* ..., val1, val2 ==> ..., val1 + val2 */ var_to_reg_flt(s1, src->prev, REG_FTMP1); var_to_reg_flt(s2, src, REG_FTMP2); d = reg_of_var(m, iptr->dst, REG_FTMP3); if (s1 == d) { x86_64_addss_reg_reg(cd, s2, d); } else if (s2 == d) { x86_64_addss_reg_reg(cd, s1, d); } else { M_FLTMOVE(s1, d); x86_64_addss_reg_reg(cd, s2, d); } store_reg_to_var_flt(iptr->dst, d); break; case ICMD_DADD: /* ..., val1, val2 ==> ..., val1 + val2 */ var_to_reg_flt(s1, src->prev, REG_FTMP1); var_to_reg_flt(s2, src, REG_FTMP2); d = reg_of_var(m, iptr->dst, REG_FTMP3); if (s1 == d) { x86_64_addsd_reg_reg(cd, s2, d); } else if (s2 == d) { x86_64_addsd_reg_reg(cd, s1, d); } else { M_FLTMOVE(s1, d); x86_64_addsd_reg_reg(cd, s2, d); } store_reg_to_var_flt(iptr->dst, d); break; case ICMD_FSUB: /* ..., val1, val2 ==> ..., val1 - val2 */ var_to_reg_flt(s1, src->prev, REG_FTMP1); var_to_reg_flt(s2, src, REG_FTMP2); d = reg_of_var(m, iptr->dst, REG_FTMP3); if (s2 == d) { M_FLTMOVE(s2, REG_FTMP2); s2 = REG_FTMP2; } M_FLTMOVE(s1, d); x86_64_subss_reg_reg(cd, s2, d); store_reg_to_var_flt(iptr->dst, d); break; case ICMD_DSUB: /* ..., val1, val2 ==> ..., val1 - val2 */ var_to_reg_flt(s1, src->prev, REG_FTMP1); var_to_reg_flt(s2, src, REG_FTMP2); d = reg_of_var(m, iptr->dst, REG_FTMP3); if (s2 == d) { M_FLTMOVE(s2, REG_FTMP2); s2 = REG_FTMP2; } M_FLTMOVE(s1, d); x86_64_subsd_reg_reg(cd, s2, d); store_reg_to_var_flt(iptr->dst, d); break; case ICMD_FMUL: /* ..., val1, val2 ==> ..., val1 * val2 */ var_to_reg_flt(s1, src->prev, REG_FTMP1); var_to_reg_flt(s2, src, REG_FTMP2); d = reg_of_var(m, iptr->dst, REG_FTMP3); if (s1 == d) { x86_64_mulss_reg_reg(cd, s2, d); } else if (s2 == d) { x86_64_mulss_reg_reg(cd, s1, d); } else { M_FLTMOVE(s1, d); x86_64_mulss_reg_reg(cd, s2, d); } store_reg_to_var_flt(iptr->dst, d); break; case ICMD_DMUL: /* ..., val1, val2 ==> ..., val1 * val2 */ var_to_reg_flt(s1, src->prev, REG_FTMP1); var_to_reg_flt(s2, src, REG_FTMP2); d = reg_of_var(m, iptr->dst, REG_FTMP3); if (s1 == d) { x86_64_mulsd_reg_reg(cd, s2, d); } else if (s2 == d) { x86_64_mulsd_reg_reg(cd, s1, d); } else { M_FLTMOVE(s1, d); x86_64_mulsd_reg_reg(cd, s2, d); } store_reg_to_var_flt(iptr->dst, d); break; case ICMD_FDIV: /* ..., val1, val2 ==> ..., val1 / val2 */ var_to_reg_flt(s1, src->prev, REG_FTMP1); var_to_reg_flt(s2, src, REG_FTMP2); d = reg_of_var(m, iptr->dst, REG_FTMP3); if (s2 == d) { M_FLTMOVE(s2, REG_FTMP2); s2 = REG_FTMP2; } M_FLTMOVE(s1, d); x86_64_divss_reg_reg(cd, s2, d); store_reg_to_var_flt(iptr->dst, d); break; case ICMD_DDIV: /* ..., val1, val2 ==> ..., val1 / val2 */ var_to_reg_flt(s1, src->prev, REG_FTMP1); var_to_reg_flt(s2, src, REG_FTMP2); d = reg_of_var(m, iptr->dst, REG_FTMP3); if (s2 == d) { M_FLTMOVE(s2, REG_FTMP2); s2 = REG_FTMP2; } M_FLTMOVE(s1, d); x86_64_divsd_reg_reg(cd, s2, d); store_reg_to_var_flt(iptr->dst, d); break; case ICMD_I2F: /* ..., value ==> ..., (float) value */ var_to_reg_int(s1, src, REG_ITMP1); d = reg_of_var(m, iptr->dst, REG_FTMP1); x86_64_cvtsi2ss_reg_reg(cd, s1, d); store_reg_to_var_flt(iptr->dst, d); break; case ICMD_I2D: /* ..., value ==> ..., (double) value */ var_to_reg_int(s1, src, REG_ITMP1); d = reg_of_var(m, iptr->dst, REG_FTMP1); x86_64_cvtsi2sd_reg_reg(cd, s1, d); store_reg_to_var_flt(iptr->dst, d); break; case ICMD_L2F: /* ..., value ==> ..., (float) value */ var_to_reg_int(s1, src, REG_ITMP1); d = reg_of_var(m, iptr->dst, REG_FTMP1); x86_64_cvtsi2ssq_reg_reg(cd, s1, d); store_reg_to_var_flt(iptr->dst, d); break; case ICMD_L2D: /* ..., value ==> ..., (double) value */ var_to_reg_int(s1, src, REG_ITMP1); d = reg_of_var(m, iptr->dst, REG_FTMP1); x86_64_cvtsi2sdq_reg_reg(cd, s1, d); store_reg_to_var_flt(iptr->dst, d); break; case ICMD_F2I: /* ..., value ==> ..., (int) value */ var_to_reg_flt(s1, src, REG_FTMP1); d = reg_of_var(m, iptr->dst, REG_ITMP1); x86_64_cvttss2si_reg_reg(cd, s1, d); x86_64_alul_imm_reg(cd, X86_64_CMP, 0x80000000, d); /* corner cases */ a = ((s1 == REG_FTMP1) ? 0 : 5) + 10 + 3 + ((REG_RESULT == d) ? 0 : 3); x86_64_jcc(cd, X86_64_CC_NE, a); M_FLTMOVE(s1, REG_FTMP1); x86_64_mov_imm_reg(cd, (s8) asm_builtin_f2i, REG_ITMP2); x86_64_call_reg(cd, REG_ITMP2); M_INTMOVE(REG_RESULT, d); store_reg_to_var_int(iptr->dst, d); break; case ICMD_D2I: /* ..., value ==> ..., (int) value */ var_to_reg_flt(s1, src, REG_FTMP1); d = reg_of_var(m, iptr->dst, REG_ITMP1); x86_64_cvttsd2si_reg_reg(cd, s1, d); x86_64_alul_imm_reg(cd, X86_64_CMP, 0x80000000, d); /* corner cases */ a = ((s1 == REG_FTMP1) ? 0 : 5) + 10 + 3 + ((REG_RESULT == d) ? 0 : 3); x86_64_jcc(cd, X86_64_CC_NE, a); M_FLTMOVE(s1, REG_FTMP1); x86_64_mov_imm_reg(cd, (s8) asm_builtin_d2i, REG_ITMP2); x86_64_call_reg(cd, REG_ITMP2); M_INTMOVE(REG_RESULT, d); store_reg_to_var_int(iptr->dst, d); break; case ICMD_F2L: /* ..., value ==> ..., (long) value */ var_to_reg_flt(s1, src, REG_FTMP1); d = reg_of_var(m, iptr->dst, REG_ITMP1); x86_64_cvttss2siq_reg_reg(cd, s1, d); x86_64_mov_imm_reg(cd, 0x8000000000000000, REG_ITMP2); x86_64_alu_reg_reg(cd, X86_64_CMP, REG_ITMP2, d); /* corner cases */ a = ((s1 == REG_FTMP1) ? 0 : 5) + 10 + 3 + ((REG_RESULT == d) ? 0 : 3); x86_64_jcc(cd, X86_64_CC_NE, a); M_FLTMOVE(s1, REG_FTMP1); x86_64_mov_imm_reg(cd, (s8) asm_builtin_f2l, REG_ITMP2); x86_64_call_reg(cd, REG_ITMP2); M_INTMOVE(REG_RESULT, d); store_reg_to_var_int(iptr->dst, d); break; case ICMD_D2L: /* ..., value ==> ..., (long) value */ var_to_reg_flt(s1, src, REG_FTMP1); d = reg_of_var(m, iptr->dst, REG_ITMP1); x86_64_cvttsd2siq_reg_reg(cd, s1, d); x86_64_mov_imm_reg(cd, 0x8000000000000000, REG_ITMP2); x86_64_alu_reg_reg(cd, X86_64_CMP, REG_ITMP2, d); /* corner cases */ a = ((s1 == REG_FTMP1) ? 0 : 5) + 10 + 3 + ((REG_RESULT == d) ? 0 : 3); x86_64_jcc(cd, X86_64_CC_NE, a); M_FLTMOVE(s1, REG_FTMP1); x86_64_mov_imm_reg(cd, (s8) asm_builtin_d2l, REG_ITMP2); x86_64_call_reg(cd, REG_ITMP2); M_INTMOVE(REG_RESULT, d); store_reg_to_var_int(iptr->dst, d); break; case ICMD_F2D: /* ..., value ==> ..., (double) value */ var_to_reg_flt(s1, src, REG_FTMP1); d = reg_of_var(m, iptr->dst, REG_FTMP3); x86_64_cvtss2sd_reg_reg(cd, s1, d); store_reg_to_var_flt(iptr->dst, d); break; case ICMD_D2F: /* ..., value ==> ..., (float) value */ var_to_reg_flt(s1, src, REG_FTMP1); d = reg_of_var(m, iptr->dst, REG_FTMP3); x86_64_cvtsd2ss_reg_reg(cd, s1, d); store_reg_to_var_flt(iptr->dst, d); break; case ICMD_FCMPL: /* ..., val1, val2 ==> ..., val1 fcmpl val2 */ /* == => 0, < => 1, > => -1 */ var_to_reg_flt(s1, src->prev, REG_FTMP1); var_to_reg_flt(s2, src, REG_FTMP2); d = reg_of_var(m, iptr->dst, REG_ITMP3); x86_64_alu_reg_reg(cd, X86_64_XOR, d, d); x86_64_mov_imm_reg(cd, 1, REG_ITMP1); x86_64_mov_imm_reg(cd, -1, REG_ITMP2); x86_64_ucomiss_reg_reg(cd, s1, s2); x86_64_cmovcc_reg_reg(cd, X86_64_CC_B, REG_ITMP1, d); x86_64_cmovcc_reg_reg(cd, X86_64_CC_A, REG_ITMP2, d); x86_64_cmovcc_reg_reg(cd, X86_64_CC_P, REG_ITMP2, d); /* treat unordered as GT */ store_reg_to_var_int(iptr->dst, d); break; case ICMD_FCMPG: /* ..., val1, val2 ==> ..., val1 fcmpg val2 */ /* == => 0, < => 1, > => -1 */ var_to_reg_flt(s1, src->prev, REG_FTMP1); var_to_reg_flt(s2, src, REG_FTMP2); d = reg_of_var(m, iptr->dst, REG_ITMP3); x86_64_alu_reg_reg(cd, X86_64_XOR, d, d); x86_64_mov_imm_reg(cd, 1, REG_ITMP1); x86_64_mov_imm_reg(cd, -1, REG_ITMP2); x86_64_ucomiss_reg_reg(cd, s1, s2); x86_64_cmovcc_reg_reg(cd, X86_64_CC_B, REG_ITMP1, d); x86_64_cmovcc_reg_reg(cd, X86_64_CC_A, REG_ITMP2, d); x86_64_cmovcc_reg_reg(cd, X86_64_CC_P, REG_ITMP1, d); /* treat unordered as LT */ store_reg_to_var_int(iptr->dst, d); break; case ICMD_DCMPL: /* ..., val1, val2 ==> ..., val1 fcmpl val2 */ /* == => 0, < => 1, > => -1 */ var_to_reg_flt(s1, src->prev, REG_FTMP1); var_to_reg_flt(s2, src, REG_FTMP2); d = reg_of_var(m, iptr->dst, REG_ITMP3); x86_64_alu_reg_reg(cd, X86_64_XOR, d, d); x86_64_mov_imm_reg(cd, 1, REG_ITMP1); x86_64_mov_imm_reg(cd, -1, REG_ITMP2); x86_64_ucomisd_reg_reg(cd, s1, s2); x86_64_cmovcc_reg_reg(cd, X86_64_CC_B, REG_ITMP1, d); x86_64_cmovcc_reg_reg(cd, X86_64_CC_A, REG_ITMP2, d); x86_64_cmovcc_reg_reg(cd, X86_64_CC_P, REG_ITMP2, d); /* treat unordered as GT */ store_reg_to_var_int(iptr->dst, d); break; case ICMD_DCMPG: /* ..., val1, val2 ==> ..., val1 fcmpg val2 */ /* == => 0, < => 1, > => -1 */ var_to_reg_flt(s1, src->prev, REG_FTMP1); var_to_reg_flt(s2, src, REG_FTMP2); d = reg_of_var(m, iptr->dst, REG_ITMP3); x86_64_alu_reg_reg(cd, X86_64_XOR, d, d); x86_64_mov_imm_reg(cd, 1, REG_ITMP1); x86_64_mov_imm_reg(cd, -1, REG_ITMP2); x86_64_ucomisd_reg_reg(cd, s1, s2); x86_64_cmovcc_reg_reg(cd, X86_64_CC_B, REG_ITMP1, d); x86_64_cmovcc_reg_reg(cd, X86_64_CC_A, REG_ITMP2, d); x86_64_cmovcc_reg_reg(cd, X86_64_CC_P, REG_ITMP1, d); /* treat unordered as LT */ store_reg_to_var_int(iptr->dst, d); break; /* memory operations **************************************************/ case ICMD_ARRAYLENGTH: /* ..., arrayref ==> ..., (int) length */ var_to_reg_int(s1, src, REG_ITMP1); d = reg_of_var(m, iptr->dst, REG_ITMP3); gen_nullptr_check(s1); x86_64_movl_membase_reg(cd, s1, OFFSET(java_arrayheader, size), d); store_reg_to_var_int(iptr->dst, d); break; case ICMD_AALOAD: /* ..., arrayref, index ==> ..., value */ var_to_reg_int(s1, src->prev, REG_ITMP1); var_to_reg_int(s2, src, REG_ITMP2); d = reg_of_var(m, iptr->dst, REG_ITMP3); if (iptr->op1 == 0) { gen_nullptr_check(s1); gen_bound_check; } x86_64_mov_memindex_reg(cd, OFFSET(java_objectarray, data[0]), s1, s2, 3, d); store_reg_to_var_int(iptr->dst, d); break; case ICMD_LALOAD: /* ..., arrayref, index ==> ..., value */ var_to_reg_int(s1, src->prev, REG_ITMP1); var_to_reg_int(s2, src, REG_ITMP2); d = reg_of_var(m, iptr->dst, REG_ITMP3); if (iptr->op1 == 0) { gen_nullptr_check(s1); gen_bound_check; } x86_64_mov_memindex_reg(cd, OFFSET(java_longarray, data[0]), s1, s2, 3, d); store_reg_to_var_int(iptr->dst, d); break; case ICMD_IALOAD: /* ..., arrayref, index ==> ..., value */ var_to_reg_int(s1, src->prev, REG_ITMP1); var_to_reg_int(s2, src, REG_ITMP2); d = reg_of_var(m, iptr->dst, REG_ITMP3); if (iptr->op1 == 0) { gen_nullptr_check(s1); gen_bound_check; } x86_64_movl_memindex_reg(cd, OFFSET(java_intarray, data[0]), s1, s2, 2, d); store_reg_to_var_int(iptr->dst, d); break; case ICMD_FALOAD: /* ..., arrayref, index ==> ..., value */ var_to_reg_int(s1, src->prev, REG_ITMP1); var_to_reg_int(s2, src, REG_ITMP2); d = reg_of_var(m, iptr->dst, REG_FTMP3); if (iptr->op1 == 0) { gen_nullptr_check(s1); gen_bound_check; } x86_64_movss_memindex_reg(cd, OFFSET(java_floatarray, data[0]), s1, s2, 2, d); store_reg_to_var_flt(iptr->dst, d); break; case ICMD_DALOAD: /* ..., arrayref, index ==> ..., value */ var_to_reg_int(s1, src->prev, REG_ITMP1); var_to_reg_int(s2, src, REG_ITMP2); d = reg_of_var(m, iptr->dst, REG_FTMP3); if (iptr->op1 == 0) { gen_nullptr_check(s1); gen_bound_check; } x86_64_movsd_memindex_reg(cd, OFFSET(java_doublearray, data[0]), s1, s2, 3, d); store_reg_to_var_flt(iptr->dst, d); break; case ICMD_CALOAD: /* ..., arrayref, index ==> ..., value */ var_to_reg_int(s1, src->prev, REG_ITMP1); var_to_reg_int(s2, src, REG_ITMP2); d = reg_of_var(m, iptr->dst, REG_ITMP3); if (iptr->op1 == 0) { gen_nullptr_check(s1); gen_bound_check; } x86_64_movzwq_memindex_reg(cd, OFFSET(java_chararray, data[0]), s1, s2, 1, d); store_reg_to_var_int(iptr->dst, d); break; case ICMD_SALOAD: /* ..., arrayref, index ==> ..., value */ var_to_reg_int(s1, src->prev, REG_ITMP1); var_to_reg_int(s2, src, REG_ITMP2); d = reg_of_var(m, iptr->dst, REG_ITMP3); if (iptr->op1 == 0) { gen_nullptr_check(s1); gen_bound_check; } x86_64_movswq_memindex_reg(cd, OFFSET(java_shortarray, data[0]), s1, s2, 1, d); store_reg_to_var_int(iptr->dst, d); break; case ICMD_BALOAD: /* ..., arrayref, index ==> ..., value */ var_to_reg_int(s1, src->prev, REG_ITMP1); var_to_reg_int(s2, src, REG_ITMP2); d = reg_of_var(m, iptr->dst, REG_ITMP3); if (iptr->op1 == 0) { gen_nullptr_check(s1); gen_bound_check; } x86_64_movsbq_memindex_reg(cd, OFFSET(java_bytearray, data[0]), s1, s2, 0, d); store_reg_to_var_int(iptr->dst, d); break; case ICMD_AASTORE: /* ..., arrayref, index, value ==> ... */ var_to_reg_int(s1, src->prev->prev, REG_ITMP1); var_to_reg_int(s2, src->prev, REG_ITMP2); if (iptr->op1 == 0) { gen_nullptr_check(s1); gen_bound_check; } var_to_reg_int(s3, src, REG_ITMP3); x86_64_mov_reg_memindex(cd, s3, OFFSET(java_objectarray, data[0]), s1, s2, 3); break; case ICMD_LASTORE: /* ..., arrayref, index, value ==> ... */ var_to_reg_int(s1, src->prev->prev, REG_ITMP1); var_to_reg_int(s2, src->prev, REG_ITMP2); if (iptr->op1 == 0) { gen_nullptr_check(s1); gen_bound_check; } var_to_reg_int(s3, src, REG_ITMP3); x86_64_mov_reg_memindex(cd, s3, OFFSET(java_longarray, data[0]), s1, s2, 3); break; case ICMD_IASTORE: /* ..., arrayref, index, value ==> ... */ var_to_reg_int(s1, src->prev->prev, REG_ITMP1); var_to_reg_int(s2, src->prev, REG_ITMP2); if (iptr->op1 == 0) { gen_nullptr_check(s1); gen_bound_check; } var_to_reg_int(s3, src, REG_ITMP3); x86_64_movl_reg_memindex(cd, s3, OFFSET(java_intarray, data[0]), s1, s2, 2); break; case ICMD_FASTORE: /* ..., arrayref, index, value ==> ... */ var_to_reg_int(s1, src->prev->prev, REG_ITMP1); var_to_reg_int(s2, src->prev, REG_ITMP2); if (iptr->op1 == 0) { gen_nullptr_check(s1); gen_bound_check; } var_to_reg_flt(s3, src, REG_FTMP3); x86_64_movss_reg_memindex(cd, s3, OFFSET(java_floatarray, data[0]), s1, s2, 2); break; case ICMD_DASTORE: /* ..., arrayref, index, value ==> ... */ var_to_reg_int(s1, src->prev->prev, REG_ITMP1); var_to_reg_int(s2, src->prev, REG_ITMP2); if (iptr->op1 == 0) { gen_nullptr_check(s1); gen_bound_check; } var_to_reg_flt(s3, src, REG_FTMP3); x86_64_movsd_reg_memindex(cd, s3, OFFSET(java_doublearray, data[0]), s1, s2, 3); break; case ICMD_CASTORE: /* ..., arrayref, index, value ==> ... */ var_to_reg_int(s1, src->prev->prev, REG_ITMP1); var_to_reg_int(s2, src->prev, REG_ITMP2); if (iptr->op1 == 0) { gen_nullptr_check(s1); gen_bound_check; } var_to_reg_int(s3, src, REG_ITMP3); x86_64_movw_reg_memindex(cd, s3, OFFSET(java_chararray, data[0]), s1, s2, 1); break; case ICMD_SASTORE: /* ..., arrayref, index, value ==> ... */ var_to_reg_int(s1, src->prev->prev, REG_ITMP1); var_to_reg_int(s2, src->prev, REG_ITMP2); if (iptr->op1 == 0) { gen_nullptr_check(s1); gen_bound_check; } var_to_reg_int(s3, src, REG_ITMP3); x86_64_movw_reg_memindex(cd, s3, OFFSET(java_shortarray, data[0]), s1, s2, 1); break; case ICMD_BASTORE: /* ..., arrayref, index, value ==> ... */ var_to_reg_int(s1, src->prev->prev, REG_ITMP1); var_to_reg_int(s2, src->prev, REG_ITMP2); if (iptr->op1 == 0) { gen_nullptr_check(s1); gen_bound_check; } var_to_reg_int(s3, src, REG_ITMP3); x86_64_movb_reg_memindex(cd, s3, OFFSET(java_bytearray, data[0]), s1, s2, 0); break; case ICMD_IASTORECONST: /* ..., arrayref, index ==> ... */ var_to_reg_int(s1, src->prev, REG_ITMP1); var_to_reg_int(s2, src, REG_ITMP2); if (iptr->op1 == 0) { gen_nullptr_check(s1); gen_bound_check; } x86_64_movl_imm_memindex(cd, iptr->val.i, OFFSET(java_intarray, data[0]), s1, s2, 2); break; case ICMD_LASTORECONST: /* ..., arrayref, index ==> ... */ var_to_reg_int(s1, src->prev, REG_ITMP1); var_to_reg_int(s2, src, REG_ITMP2); if (iptr->op1 == 0) { gen_nullptr_check(s1); gen_bound_check; } if (x86_64_is_imm32(iptr->val.l)) { x86_64_mov_imm_memindex(cd, iptr->val.l, OFFSET(java_longarray, data[0]), s1, s2, 3); } else { x86_64_movl_imm_memindex(cd, (iptr->val.l & 0x00000000ffffffff), OFFSET(java_longarray, data[0]), s1, s2, 3); x86_64_movl_imm_memindex(cd, (iptr->val.l >> 32), OFFSET(java_longarray, data[0]) + 4, s1, s2, 3); } break; case ICMD_AASTORECONST: /* ..., arrayref, index ==> ... */ var_to_reg_int(s1, src->prev, REG_ITMP1); var_to_reg_int(s2, src, REG_ITMP2); if (iptr->op1 == 0) { gen_nullptr_check(s1); gen_bound_check; } x86_64_mov_imm_memindex(cd, 0, OFFSET(java_objectarray, data[0]), s1, s2, 2); break; case ICMD_BASTORECONST: /* ..., arrayref, index ==> ... */ var_to_reg_int(s1, src->prev, REG_ITMP1); var_to_reg_int(s2, src, REG_ITMP2); if (iptr->op1 == 0) { gen_nullptr_check(s1); gen_bound_check; } x86_64_movb_imm_memindex(cd, iptr->val.i, OFFSET(java_bytearray, data[0]), s1, s2, 0); break; case ICMD_CASTORECONST: /* ..., arrayref, index ==> ... */ var_to_reg_int(s1, src->prev, REG_ITMP1); var_to_reg_int(s2, src, REG_ITMP2); if (iptr->op1 == 0) { gen_nullptr_check(s1); gen_bound_check; } x86_64_movw_imm_memindex(cd, iptr->val.i, OFFSET(java_chararray, data[0]), s1, s2, 1); break; case ICMD_SASTORECONST: /* ..., arrayref, index ==> ... */ var_to_reg_int(s1, src->prev, REG_ITMP1); var_to_reg_int(s2, src, REG_ITMP2); if (iptr->op1 == 0) { gen_nullptr_check(s1); gen_bound_check; } x86_64_movw_imm_memindex(cd, iptr->val.i, OFFSET(java_shortarray, data[0]), s1, s2, 1); break; case ICMD_PUTSTATIC: /* ..., value ==> ... */ /* op1 = type, val.a = field address */ /* if class isn't yet initialized, do it */ if (!((fieldinfo *) iptr->val.a)->class->initialized) { /* call helper function which patches this code */ x86_64_mov_imm_reg(cd, (s8) ((fieldinfo *) iptr->val.a)->class, REG_ITMP1); x86_64_mov_imm_reg(cd, (s8) asm_check_clinit, REG_ITMP2); x86_64_call_reg(cd, REG_ITMP2); } a = dseg_addaddress(m, &(((fieldinfo *) iptr->val.a)->value)); /* x86_64_mov_imm_reg(cd, 0, REG_ITMP2); */ /* dseg_adddata(m, cd->mcodeptr); */ /* x86_64_mov_membase_reg(cd, REG_ITMP2, a, REG_ITMP2); */ x86_64_mov_membase_reg(cd, RIP, -(((s8) cd->mcodeptr + 7) - (s8) cd->mcodebase) + a, REG_ITMP2); switch (iptr->op1) { case TYPE_INT: var_to_reg_int(s2, src, REG_ITMP1); x86_64_movl_reg_membase(cd, s2, REG_ITMP2, 0); break; case TYPE_LNG: case TYPE_ADR: var_to_reg_int(s2, src, REG_ITMP1); x86_64_mov_reg_membase(cd, s2, REG_ITMP2, 0); break; case TYPE_FLT: var_to_reg_flt(s2, src, REG_FTMP1); x86_64_movss_reg_membase(cd, s2, REG_ITMP2, 0); break; case TYPE_DBL: var_to_reg_flt(s2, src, REG_FTMP1); x86_64_movsd_reg_membase(cd, s2, REG_ITMP2, 0); break; default: panic("internal error"); } break; case ICMD_GETSTATIC: /* ... ==> ..., value */ /* op1 = type, val.a = field address */ /* if class isn't yet initialized, do it */ if (!((fieldinfo *) iptr->val.a)->class->initialized) { /* call helper function which patches this code */ x86_64_mov_imm_reg(cd, (s8) ((fieldinfo *) iptr->val.a)->class, REG_ITMP1); x86_64_mov_imm_reg(cd, (s8) asm_check_clinit, REG_ITMP2); x86_64_call_reg(cd, REG_ITMP2); } a = dseg_addaddress(m, &(((fieldinfo *) iptr->val.a)->value)); /* x86_64_mov_imm_reg(cd, 0, REG_ITMP2); */ /* dseg_adddata(m, cd->mcodeptr); */ /* x86_64_mov_membase_reg(cd, REG_ITMP2, a, REG_ITMP2); */ x86_64_mov_membase_reg(cd, RIP, -(((s8) cd->mcodeptr + 7) - (s8) cd->mcodebase) + a, REG_ITMP2); switch (iptr->op1) { case TYPE_INT: d = reg_of_var(m, iptr->dst, REG_ITMP1); x86_64_movl_membase_reg(cd, REG_ITMP2, 0, d); store_reg_to_var_int(iptr->dst, d); break; case TYPE_LNG: case TYPE_ADR: d = reg_of_var(m, iptr->dst, REG_ITMP1); x86_64_mov_membase_reg(cd, REG_ITMP2, 0, d); store_reg_to_var_int(iptr->dst, d); break; case TYPE_FLT: d = reg_of_var(m, iptr->dst, REG_ITMP1); x86_64_movss_membase_reg(cd, REG_ITMP2, 0, d); store_reg_to_var_flt(iptr->dst, d); break; case TYPE_DBL: d = reg_of_var(m, iptr->dst, REG_ITMP1); x86_64_movsd_membase_reg(cd, REG_ITMP2, 0, d); store_reg_to_var_flt(iptr->dst, d); break; default: panic("internal error"); } break; case ICMD_PUTFIELD: /* ..., value ==> ... */ /* op1 = type, val.i = field offset */ /* if class isn't yet initialized, do it */ if (!((fieldinfo *) iptr->val.a)->class->initialized) { /* call helper function which patches this code */ x86_64_mov_imm_reg(cd, (s8) ((fieldinfo *) iptr->val.a)->class, REG_ITMP1); x86_64_mov_imm_reg(cd, (s8) asm_check_clinit, REG_ITMP2); x86_64_call_reg(cd, REG_ITMP2); } a = ((fieldinfo *)(iptr->val.a))->offset; var_to_reg_int(s1, src->prev, REG_ITMP1); switch (iptr->op1) { case TYPE_INT: var_to_reg_int(s2, src, REG_ITMP2); gen_nullptr_check(s1); x86_64_movl_reg_membase(cd, s2, s1, a); break; case TYPE_LNG: case TYPE_ADR: var_to_reg_int(s2, src, REG_ITMP2); gen_nullptr_check(s1); x86_64_mov_reg_membase(cd, s2, s1, a); break; case TYPE_FLT: var_to_reg_flt(s2, src, REG_FTMP2); gen_nullptr_check(s1); x86_64_movss_reg_membase(cd, s2, s1, a); break; case TYPE_DBL: var_to_reg_flt(s2, src, REG_FTMP2); gen_nullptr_check(s1); x86_64_movsd_reg_membase(cd, s2, s1, a); break; default: panic ("internal error"); } break; case ICMD_GETFIELD: /* ... ==> ..., value */ /* op1 = type, val.i = field offset */ a = ((fieldinfo *)(iptr->val.a))->offset; var_to_reg_int(s1, src, REG_ITMP1); switch (iptr->op1) { case TYPE_INT: d = reg_of_var(m, iptr->dst, REG_ITMP1); gen_nullptr_check(s1); x86_64_movl_membase_reg(cd, s1, a, d); store_reg_to_var_int(iptr->dst, d); break; case TYPE_LNG: case TYPE_ADR: d = reg_of_var(m, iptr->dst, REG_ITMP1); gen_nullptr_check(s1); x86_64_mov_membase_reg(cd, s1, a, d); store_reg_to_var_int(iptr->dst, d); break; case TYPE_FLT: d = reg_of_var(m, iptr->dst, REG_FTMP1); gen_nullptr_check(s1); x86_64_movss_membase_reg(cd, s1, a, d); store_reg_to_var_flt(iptr->dst, d); break; case TYPE_DBL: d = reg_of_var(m, iptr->dst, REG_FTMP1); gen_nullptr_check(s1); x86_64_movsd_membase_reg(cd, s1, a, d); store_reg_to_var_flt(iptr->dst, d); break; default: panic ("internal error"); } break; /* branch operations **************************************************/ case ICMD_ATHROW: /* ..., objectref ==> ... (, objectref) */ var_to_reg_int(s1, src, REG_ITMP1); M_INTMOVE(s1, REG_ITMP1_XPTR); x86_64_call_imm(cd, 0); /* passing exception pointer */ x86_64_pop_reg(cd, REG_ITMP2_XPC); x86_64_mov_imm_reg(cd, (s8) asm_handle_exception, REG_ITMP3); x86_64_jmp_reg(cd, REG_ITMP3); ALIGNCODENOP; break; case ICMD_GOTO: /* ... ==> ... */ /* op1 = target JavaVM pc */ x86_64_jmp_imm(cd, 0); codegen_addreference(m, BlockPtrOfPC(iptr->op1), cd->mcodeptr); ALIGNCODENOP; break; case ICMD_JSR: /* ... ==> ... */ /* op1 = target JavaVM pc */ x86_64_call_imm(cd, 0); codegen_addreference(m, BlockPtrOfPC(iptr->op1), cd->mcodeptr); break; case ICMD_RET: /* ... ==> ... */ /* op1 = local variable */ var = &(r->locals[iptr->op1][TYPE_ADR]); var_to_reg_int(s1, var, REG_ITMP1); x86_64_jmp_reg(cd, s1); break; case ICMD_IFNULL: /* ..., value ==> ... */ /* op1 = target JavaVM pc */ if (src->flags & INMEMORY) { x86_64_alu_imm_membase(cd, X86_64_CMP, 0, REG_SP, src->regoff * 8); } else { x86_64_test_reg_reg(cd, src->regoff, src->regoff); } x86_64_jcc(cd, X86_64_CC_E, 0); codegen_addreference(m, BlockPtrOfPC(iptr->op1), cd->mcodeptr); break; case ICMD_IFNONNULL: /* ..., value ==> ... */ /* op1 = target JavaVM pc */ if (src->flags & INMEMORY) { x86_64_alu_imm_membase(cd, X86_64_CMP, 0, REG_SP, src->regoff * 8); } else { x86_64_test_reg_reg(cd, src->regoff, src->regoff); } x86_64_jcc(cd, X86_64_CC_NE, 0); codegen_addreference(m, BlockPtrOfPC(iptr->op1), cd->mcodeptr); break; case ICMD_IFEQ: /* ..., value ==> ... */ /* op1 = target JavaVM pc, val.i = constant */ x86_64_emit_ifcc(m, X86_64_CC_E, src, iptr); break; case ICMD_IFLT: /* ..., value ==> ... */ /* op1 = target JavaVM pc, val.i = constant */ x86_64_emit_ifcc(m, X86_64_CC_L, src, iptr); break; case ICMD_IFLE: /* ..., value ==> ... */ /* op1 = target JavaVM pc, val.i = constant */ x86_64_emit_ifcc(m, X86_64_CC_LE, src, iptr); break; case ICMD_IFNE: /* ..., value ==> ... */ /* op1 = target JavaVM pc, val.i = constant */ x86_64_emit_ifcc(m, X86_64_CC_NE, src, iptr); break; case ICMD_IFGT: /* ..., value ==> ... */ /* op1 = target JavaVM pc, val.i = constant */ x86_64_emit_ifcc(m, X86_64_CC_G, src, iptr); break; case ICMD_IFGE: /* ..., value ==> ... */ /* op1 = target JavaVM pc, val.i = constant */ x86_64_emit_ifcc(m, X86_64_CC_GE, src, iptr); break; case ICMD_IF_LEQ: /* ..., value ==> ... */ /* op1 = target JavaVM pc, val.l = constant */ x86_64_emit_if_lcc(m, X86_64_CC_E, src, iptr); break; case ICMD_IF_LLT: /* ..., value ==> ... */ /* op1 = target JavaVM pc, val.l = constant */ x86_64_emit_if_lcc(m, X86_64_CC_L, src, iptr); break; case ICMD_IF_LLE: /* ..., value ==> ... */ /* op1 = target JavaVM pc, val.l = constant */ x86_64_emit_if_lcc(m, X86_64_CC_LE, src, iptr); break; case ICMD_IF_LNE: /* ..., value ==> ... */ /* op1 = target JavaVM pc, val.l = constant */ x86_64_emit_if_lcc(m, X86_64_CC_NE, src, iptr); break; case ICMD_IF_LGT: /* ..., value ==> ... */ /* op1 = target JavaVM pc, val.l = constant */ x86_64_emit_if_lcc(m, X86_64_CC_G, src, iptr); break; case ICMD_IF_LGE: /* ..., value ==> ... */ /* op1 = target JavaVM pc, val.l = constant */ x86_64_emit_if_lcc(m, X86_64_CC_GE, src, iptr); break; case ICMD_IF_ICMPEQ: /* ..., value, value ==> ... */ /* op1 = target JavaVM pc */ x86_64_emit_if_icmpcc(m, X86_64_CC_E, src, iptr); break; case ICMD_IF_LCMPEQ: /* ..., value, value ==> ... */ case ICMD_IF_ACMPEQ: /* op1 = target JavaVM pc */ x86_64_emit_if_lcmpcc(m, X86_64_CC_E, src, iptr); break; case ICMD_IF_ICMPNE: /* ..., value, value ==> ... */ /* op1 = target JavaVM pc */ x86_64_emit_if_icmpcc(m, X86_64_CC_NE, src, iptr); break; case ICMD_IF_LCMPNE: /* ..., value, value ==> ... */ case ICMD_IF_ACMPNE: /* op1 = target JavaVM pc */ x86_64_emit_if_lcmpcc(m, X86_64_CC_NE, src, iptr); break; case ICMD_IF_ICMPLT: /* ..., value, value ==> ... */ /* op1 = target JavaVM pc */ x86_64_emit_if_icmpcc(m, X86_64_CC_L, src, iptr); break; case ICMD_IF_LCMPLT: /* ..., value, value ==> ... */ /* op1 = target JavaVM pc */ x86_64_emit_if_lcmpcc(m, X86_64_CC_L, src, iptr); break; case ICMD_IF_ICMPGT: /* ..., value, value ==> ... */ /* op1 = target JavaVM pc */ x86_64_emit_if_icmpcc(m, X86_64_CC_G, src, iptr); break; case ICMD_IF_LCMPGT: /* ..., value, value ==> ... */ /* op1 = target JavaVM pc */ x86_64_emit_if_lcmpcc(m, X86_64_CC_G, src, iptr); break; case ICMD_IF_ICMPLE: /* ..., value, value ==> ... */ /* op1 = target JavaVM pc */ x86_64_emit_if_icmpcc(m, X86_64_CC_LE, src, iptr); break; case ICMD_IF_LCMPLE: /* ..., value, value ==> ... */ /* op1 = target JavaVM pc */ x86_64_emit_if_lcmpcc(m, X86_64_CC_LE, src, iptr); break; case ICMD_IF_ICMPGE: /* ..., value, value ==> ... */ /* op1 = target JavaVM pc */ x86_64_emit_if_icmpcc(m, X86_64_CC_GE, src, iptr); break; case ICMD_IF_LCMPGE: /* ..., value, value ==> ... */ /* op1 = target JavaVM pc */ x86_64_emit_if_lcmpcc(m, X86_64_CC_GE, src, iptr); break; /* (value xx 0) ? IFxx_ICONST : ELSE_ICONST */ case ICMD_ELSE_ICONST: /* handled by IFxx_ICONST */ break; case ICMD_IFEQ_ICONST: /* ..., value ==> ..., constant */ /* val.i = constant */ var_to_reg_int(s1, src, REG_ITMP1); d = reg_of_var(m, iptr->dst, REG_ITMP3); s3 = iptr->val.i; if (iptr[1].opc == ICMD_ELSE_ICONST) { if (s1 == d) { M_INTMOVE(s1, REG_ITMP1); s1 = REG_ITMP1; } x86_64_movl_imm_reg(cd, iptr[1].val.i, d); } x86_64_movl_imm_reg(cd, s3, REG_ITMP2); x86_64_testl_reg_reg(cd, s1, s1); x86_64_cmovccl_reg_reg(cd, X86_64_CC_E, REG_ITMP2, d); store_reg_to_var_int(iptr->dst, d); break; case ICMD_IFNE_ICONST: /* ..., value ==> ..., constant */ /* val.i = constant */ var_to_reg_int(s1, src, REG_ITMP1); d = reg_of_var(m, iptr->dst, REG_ITMP3); s3 = iptr->val.i; if (iptr[1].opc == ICMD_ELSE_ICONST) { if (s1 == d) { M_INTMOVE(s1, REG_ITMP1); s1 = REG_ITMP1; } x86_64_movl_imm_reg(cd, iptr[1].val.i, d); } x86_64_movl_imm_reg(cd, s3, REG_ITMP2); x86_64_testl_reg_reg(cd, s1, s1); x86_64_cmovccl_reg_reg(cd, X86_64_CC_NE, REG_ITMP2, d); store_reg_to_var_int(iptr->dst, d); break; case ICMD_IFLT_ICONST: /* ..., value ==> ..., constant */ /* val.i = constant */ var_to_reg_int(s1, src, REG_ITMP1); d = reg_of_var(m, iptr->dst, REG_ITMP3); s3 = iptr->val.i; if (iptr[1].opc == ICMD_ELSE_ICONST) { if (s1 == d) { M_INTMOVE(s1, REG_ITMP1); s1 = REG_ITMP1; } x86_64_movl_imm_reg(cd, iptr[1].val.i, d); } x86_64_movl_imm_reg(cd, s3, REG_ITMP2); x86_64_testl_reg_reg(cd, s1, s1); x86_64_cmovccl_reg_reg(cd, X86_64_CC_L, REG_ITMP2, d); store_reg_to_var_int(iptr->dst, d); break; case ICMD_IFGE_ICONST: /* ..., value ==> ..., constant */ /* val.i = constant */ var_to_reg_int(s1, src, REG_ITMP1); d = reg_of_var(m, iptr->dst, REG_ITMP3); s3 = iptr->val.i; if (iptr[1].opc == ICMD_ELSE_ICONST) { if (s1 == d) { M_INTMOVE(s1, REG_ITMP1); s1 = REG_ITMP1; } x86_64_movl_imm_reg(cd, iptr[1].val.i, d); } x86_64_movl_imm_reg(cd, s3, REG_ITMP2); x86_64_testl_reg_reg(cd, s1, s1); x86_64_cmovccl_reg_reg(cd, X86_64_CC_GE, REG_ITMP2, d); store_reg_to_var_int(iptr->dst, d); break; case ICMD_IFGT_ICONST: /* ..., value ==> ..., constant */ /* val.i = constant */ var_to_reg_int(s1, src, REG_ITMP1); d = reg_of_var(m, iptr->dst, REG_ITMP3); s3 = iptr->val.i; if (iptr[1].opc == ICMD_ELSE_ICONST) { if (s1 == d) { M_INTMOVE(s1, REG_ITMP1); s1 = REG_ITMP1; } x86_64_movl_imm_reg(cd, iptr[1].val.i, d); } x86_64_movl_imm_reg(cd, s3, REG_ITMP2); x86_64_testl_reg_reg(cd, s1, s1); x86_64_cmovccl_reg_reg(cd, X86_64_CC_G, REG_ITMP2, d); store_reg_to_var_int(iptr->dst, d); break; case ICMD_IFLE_ICONST: /* ..., value ==> ..., constant */ /* val.i = constant */ var_to_reg_int(s1, src, REG_ITMP1); d = reg_of_var(m, iptr->dst, REG_ITMP3); s3 = iptr->val.i; if (iptr[1].opc == ICMD_ELSE_ICONST) { if (s1 == d) { M_INTMOVE(s1, REG_ITMP1); s1 = REG_ITMP1; } x86_64_movl_imm_reg(cd, iptr[1].val.i, d); } x86_64_movl_imm_reg(cd, s3, REG_ITMP2); x86_64_testl_reg_reg(cd, s1, s1); x86_64_cmovccl_reg_reg(cd, X86_64_CC_LE, REG_ITMP2, d); store_reg_to_var_int(iptr->dst, d); break; case ICMD_IRETURN: /* ..., retvalue ==> ... */ case ICMD_LRETURN: case ICMD_ARETURN: var_to_reg_int(s1, src, REG_RESULT); M_INTMOVE(s1, REG_RESULT); #if defined(USE_THREADS) if (checksync && (m->flags & ACC_SYNCHRONIZED)) { x86_64_mov_membase_reg(cd, REG_SP, r->maxmemuse * 8, r->argintregs[0]); x86_64_mov_reg_membase(cd, REG_RESULT, REG_SP, r->maxmemuse * 8); x86_64_mov_imm_reg(cd, (u8) builtin_monitorexit, REG_ITMP1); x86_64_call_reg(cd, REG_ITMP1); x86_64_mov_membase_reg(cd, REG_SP, r->maxmemuse * 8, REG_RESULT); } #endif goto nowperformreturn; case ICMD_FRETURN: /* ..., retvalue ==> ... */ case ICMD_DRETURN: var_to_reg_flt(s1, src, REG_FRESULT); M_FLTMOVE(s1, REG_FRESULT); #if defined(USE_THREADS) if (checksync && (m->flags & ACC_SYNCHRONIZED)) { x86_64_mov_membase_reg(cd, REG_SP, r->maxmemuse * 8, r->argintregs[0]); x86_64_movq_reg_membase(cd, REG_FRESULT, REG_SP, r->maxmemuse * 8); x86_64_mov_imm_reg(cd, (u8) builtin_monitorexit, REG_ITMP1); x86_64_call_reg(cd, REG_ITMP1); x86_64_movq_membase_reg(cd, REG_SP, r->maxmemuse * 8, REG_FRESULT); } #endif goto nowperformreturn; case ICMD_RETURN: /* ... ==> ... */ #if defined(USE_THREADS) if (checksync && (m->flags & ACC_SYNCHRONIZED)) { x86_64_mov_membase_reg(cd, REG_SP, r->maxmemuse * 8, r->argintregs[0]); x86_64_mov_imm_reg(cd, (u8) builtin_monitorexit, REG_ITMP1); x86_64_call_reg(cd, REG_ITMP1); } #endif nowperformreturn: { s4 i, p; p = parentargs_base; /* call trace function */ if (runverbose) { x86_64_alu_imm_reg(cd, X86_64_SUB, 2 * 8, REG_SP); x86_64_mov_reg_membase(cd, REG_RESULT, REG_SP, 0 * 8); x86_64_movq_reg_membase(cd, REG_FRESULT, REG_SP, 1 * 8); x86_64_mov_imm_reg(cd, (s8) m, r->argintregs[0]); x86_64_mov_reg_reg(cd, REG_RESULT, r->argintregs[1]); M_FLTMOVE(REG_FRESULT, r->argfltregs[0]); M_FLTMOVE(REG_FRESULT, r->argfltregs[1]); x86_64_mov_imm_reg(cd, (s8) builtin_displaymethodstop, REG_ITMP1); x86_64_call_reg(cd, REG_ITMP1); x86_64_mov_membase_reg(cd, REG_SP, 0 * 8, REG_RESULT); x86_64_movq_membase_reg(cd, REG_SP, 1 * 8, REG_FRESULT); x86_64_alu_imm_reg(cd, X86_64_ADD, 2 * 8, REG_SP); } /* restore saved registers */ for (i = r->savintregcnt - 1; i >= r->maxsavintreguse; i--) { p--; x86_64_mov_membase_reg(cd, REG_SP, p * 8, r->savintregs[i]); } for (i = r->savfltregcnt - 1; i >= r->maxsavfltreguse; i--) { p--; x86_64_movq_membase_reg(cd, REG_SP, p * 8, r->savfltregs[i]); } /* deallocate stack */ if (parentargs_base) { x86_64_alu_imm_reg(cd, X86_64_ADD, parentargs_base * 8, REG_SP); } x86_64_ret(cd); ALIGNCODENOP; } break; case ICMD_TABLESWITCH: /* ..., index ==> ... */ { s4 i, l, *s4ptr; void **tptr; tptr = (void **) iptr->target; s4ptr = iptr->val.a; l = s4ptr[1]; /* low */ i = s4ptr[2]; /* high */ var_to_reg_int(s1, src, REG_ITMP1); M_INTMOVE(s1, REG_ITMP1); if (l != 0) { x86_64_alul_imm_reg(cd, X86_64_SUB, l, REG_ITMP1); } i = i - l + 1; /* range check */ x86_64_alul_imm_reg(cd, X86_64_CMP, i - 1, REG_ITMP1); x86_64_jcc(cd, X86_64_CC_A, 0); /* codegen_addreference(m, BlockPtrOfPC(s4ptr[0]), cd->mcodeptr); */ codegen_addreference(m, (basicblock *) tptr[0], cd->mcodeptr); /* build jump table top down and use address of lowest entry */ /* s4ptr += 3 + i; */ tptr += i; while (--i >= 0) { /* dseg_addtarget(m, BlockPtrOfPC(*--s4ptr)); */ dseg_addtarget(m, (basicblock *) tptr[0]); --tptr; } /* length of dataseg after last dseg_addtarget is used by load */ x86_64_mov_imm_reg(cd, 0, REG_ITMP2); dseg_adddata(m, cd->mcodeptr); x86_64_mov_memindex_reg(cd, -(cd->dseglen), REG_ITMP2, REG_ITMP1, 3, REG_ITMP1); x86_64_jmp_reg(cd, REG_ITMP1); ALIGNCODENOP; } break; case ICMD_LOOKUPSWITCH: /* ..., key ==> ... */ { s4 i, l, val, *s4ptr; void **tptr; tptr = (void **) iptr->target; s4ptr = iptr->val.a; l = s4ptr[0]; /* default */ i = s4ptr[1]; /* count */ MCODECHECK((i<<2)+8); var_to_reg_int(s1, src, REG_ITMP1); /* reg compare should always be faster */ while (--i >= 0) { s4ptr += 2; ++tptr; val = s4ptr[0]; x86_64_alul_imm_reg(cd, X86_64_CMP, val, s1); x86_64_jcc(cd, X86_64_CC_E, 0); /* codegen_addreference(m, BlockPtrOfPC(s4ptr[1]), cd->mcodeptr); */ codegen_addreference(m, (basicblock *) tptr[0], cd->mcodeptr); } x86_64_jmp_imm(cd, 0); /* codegen_addreference(m, BlockPtrOfPC(l), cd->mcodeptr); */ tptr = (void **) iptr->target; codegen_addreference(m, (basicblock *) tptr[0], cd->mcodeptr); ALIGNCODENOP; } break; case ICMD_BUILTIN3: /* ..., arg1, arg2, arg3 ==> ... */ /* op1 = return type, val.a = function pointer*/ s3 = 3; goto gen_method; case ICMD_BUILTIN2: /* ..., arg1, arg2 ==> ... */ /* op1 = return type, val.a = function pointer*/ s3 = 2; goto gen_method; case ICMD_BUILTIN1: /* ..., arg1 ==> ... */ /* op1 = return type, val.a = function pointer*/ s3 = 1; goto gen_method; case ICMD_INVOKESTATIC: /* ..., [arg1, [arg2 ...]] ==> ... */ /* op1 = arg count, val.a = method pointer */ case ICMD_INVOKESPECIAL:/* ..., objectref, [arg1, [arg2 ...]] ==> ... */ /* op1 = arg count, val.a = method pointer */ case ICMD_INVOKEVIRTUAL:/* ..., objectref, [arg1, [arg2 ...]] ==> ... */ /* op1 = arg count, val.a = method pointer */ case ICMD_INVOKEINTERFACE:/*.., objectref, [arg1, [arg2 ...]] ==> ... */ /* op1 = arg count, val.a = method pointer */ s3 = iptr->op1; gen_method: { methodinfo *lm; classinfo *ci; stackptr tmpsrc; s4 iarg, farg; MCODECHECK((s3 << 1) + 64); tmpsrc = src; s2 = s3; iarg = 0; farg = 0; /* copy arguments to registers or stack location */ for (; --s3 >= 0; src = src->prev) { IS_INT_LNG_TYPE(src->type) ? iarg++ : farg++; } src = tmpsrc; s3 = s2; s2 = (iarg > INT_ARG_CNT) ? iarg - INT_ARG_CNT : 0 + (farg > FLT_ARG_CNT) ? farg - FLT_ARG_CNT : 0; for (; --s3 >= 0; src = src->prev) { IS_INT_LNG_TYPE(src->type) ? iarg-- : farg--; if (src->varkind == ARGVAR) { if (IS_INT_LNG_TYPE(src->type)) { if (iarg >= INT_ARG_CNT) { s2--; } } else { if (farg >= FLT_ARG_CNT) { s2--; } } continue; } if (IS_INT_LNG_TYPE(src->type)) { if (iarg < INT_ARG_CNT) { s1 = r->argintregs[iarg]; var_to_reg_int(d, src, s1); M_INTMOVE(d, s1); } else { var_to_reg_int(d, src, REG_ITMP1); s2--; x86_64_mov_reg_membase(cd, d, REG_SP, s2 * 8); } } else { if (farg < FLT_ARG_CNT) { s1 = r->argfltregs[farg]; var_to_reg_flt(d, src, s1); M_FLTMOVE(d, s1); } else { var_to_reg_flt(d, src, REG_FTMP1); s2--; x86_64_movq_reg_membase(cd, d, REG_SP, s2 * 8); } } } /* end of for */ lm = iptr->val.a; switch (iptr->opc) { case ICMD_BUILTIN3: case ICMD_BUILTIN2: case ICMD_BUILTIN1: a = (s8) lm; d = iptr->op1; x86_64_mov_imm_reg(cd, a, REG_ITMP1); x86_64_call_reg(cd, REG_ITMP1); break; case ICMD_INVOKESTATIC: a = (s8) lm->stubroutine; d = lm->returntype; x86_64_mov_imm_reg(cd, a, REG_ITMP2); x86_64_call_reg(cd, REG_ITMP2); break; case ICMD_INVOKESPECIAL: a = (s8) lm->stubroutine; d = lm->returntype; gen_nullptr_check(r->argintregs[0]); /* first argument contains pointer */ x86_64_mov_membase_reg(cd, r->argintregs[0], 0, REG_ITMP2); /* access memory for hardware nullptr */ x86_64_mov_imm_reg(cd, a, REG_ITMP2); x86_64_call_reg(cd, REG_ITMP2); break; case ICMD_INVOKEVIRTUAL: d = lm->returntype; gen_nullptr_check(r->argintregs[0]); x86_64_mov_membase_reg(cd, r->argintregs[0], OFFSET(java_objectheader, vftbl), REG_ITMP2); x86_64_mov_membase32_reg(cd, REG_ITMP2, OFFSET(vftbl_t, table[0]) + sizeof(methodptr) * lm->vftblindex, REG_ITMP1); x86_64_call_reg(cd, REG_ITMP1); break; case ICMD_INVOKEINTERFACE: ci = lm->class; d = lm->returntype; gen_nullptr_check(r->argintregs[0]); x86_64_mov_membase_reg(cd, r->argintregs[0], OFFSET(java_objectheader, vftbl), REG_ITMP2); x86_64_mov_membase_reg(cd, REG_ITMP2, OFFSET(vftbl_t, interfacetable[0]) - sizeof(methodptr) * ci->index, REG_ITMP2); x86_64_mov_membase32_reg(cd, REG_ITMP2, sizeof(methodptr) * (lm - ci->methods), REG_ITMP1); x86_64_call_reg(cd, REG_ITMP1); break; default: d = 0; error("Unkown ICMD-Command: %d", iptr->opc); } /* d contains return type */ if (d != TYPE_VOID) { if (IS_INT_LNG_TYPE(iptr->dst->type)) { s1 = reg_of_var(m, iptr->dst, REG_RESULT); M_INTMOVE(REG_RESULT, s1); store_reg_to_var_int(iptr->dst, s1); } else { s1 = reg_of_var(m, iptr->dst, REG_FRESULT); M_FLTMOVE(REG_FRESULT, s1); store_reg_to_var_flt(iptr->dst, s1); } } } break; case ICMD_INSTANCEOF: /* ..., objectref ==> ..., intresult */ /* op1: 0 == array, 1 == class */ /* val.a: (classinfo*) superclass */ /* superclass is an interface: * * return (sub != NULL) && * (sub->vftbl->interfacetablelength > super->index) && * (sub->vftbl->interfacetable[-super->index] != NULL); * * superclass is a class: * * return ((sub != NULL) && (0 * <= (sub->vftbl->baseval - super->vftbl->baseval) <= * super->vftbl->diffvall)); */ { classinfo *super = (classinfo*) iptr->val.a; #if defined(USE_THREADS) && defined(NATIVE_THREADS) codegen_threadcritrestart(m, cd->mcodeptr - cd->mcodebase); #endif var_to_reg_int(s1, src, REG_ITMP1); d = reg_of_var(m, iptr->dst, REG_ITMP3); if (s1 == d) { M_INTMOVE(s1, REG_ITMP1); s1 = REG_ITMP1; } x86_64_alu_reg_reg(cd, X86_64_XOR, d, d); if (iptr->op1) { /* class/interface */ if (super->flags & ACC_INTERFACE) { /* interface */ x86_64_test_reg_reg(cd, s1, s1); /* TODO: clean up this calculation */ a = 3; /* mov_membase_reg */ CALCOFFSETBYTES(a, s1, OFFSET(java_objectheader, vftbl)); a += 3; /* movl_membase_reg - only if REG_ITMP2 == R10 */ CALCOFFSETBYTES(a, REG_ITMP1, OFFSET(vftbl_t, interfacetablelength)); a += 3; /* sub */ CALCIMMEDIATEBYTES(a, super->index); a += 3; /* test */ a += 6; /* jcc */ a += 3; /* mov_membase_reg */ CALCOFFSETBYTES(a, REG_ITMP1, OFFSET(vftbl_t, interfacetable[0]) - super->index * sizeof(methodptr*)); a += 3; /* test */ a += 4; /* setcc */ x86_64_jcc(cd, X86_64_CC_E, a); x86_64_mov_membase_reg(cd, s1, OFFSET(java_objectheader, vftbl), REG_ITMP1); x86_64_movl_membase_reg(cd, REG_ITMP1, OFFSET(vftbl_t, interfacetablelength), REG_ITMP2); x86_64_alu_imm_reg(cd, X86_64_SUB, super->index, REG_ITMP2); x86_64_test_reg_reg(cd, REG_ITMP2, REG_ITMP2); /* TODO: clean up this calculation */ a = 0; a += 3; /* mov_membase_reg */ CALCOFFSETBYTES(a, REG_ITMP1, OFFSET(vftbl_t, interfacetable[0]) - super->index * sizeof(methodptr*)); a += 3; /* test */ a += 4; /* setcc */ x86_64_jcc(cd, X86_64_CC_LE, a); x86_64_mov_membase_reg(cd, REG_ITMP1, OFFSET(vftbl_t, interfacetable[0]) - super->index * sizeof(methodptr*), REG_ITMP1); x86_64_test_reg_reg(cd, REG_ITMP1, REG_ITMP1); x86_64_setcc_reg(cd, X86_64_CC_NE, d); } else { /* class */ x86_64_test_reg_reg(cd, s1, s1); /* TODO: clean up this calculation */ a = 3; /* mov_membase_reg */ CALCOFFSETBYTES(a, s1, OFFSET(java_objectheader, vftbl)); a += 10; /* mov_imm_reg */ a += 2; /* movl_membase_reg - only if REG_ITMP1 == RAX */ CALCOFFSETBYTES(a, REG_ITMP1, OFFSET(vftbl_t, baseval)); a += 3; /* movl_membase_reg - only if REG_ITMP2 == R10 */ CALCOFFSETBYTES(a, REG_ITMP2, OFFSET(vftbl_t, baseval)); a += 3; /* movl_membase_reg - only if REG_ITMP2 == R10 */ CALCOFFSETBYTES(a, REG_ITMP2, OFFSET(vftbl_t, diffval)); a += 3; /* sub */ a += 3; /* xor */ a += 3; /* cmp */ a += 4; /* setcc */ x86_64_jcc(cd, X86_64_CC_E, a); x86_64_mov_membase_reg(cd, s1, OFFSET(java_objectheader, vftbl), REG_ITMP1); x86_64_mov_imm_reg(cd, (s8) super->vftbl, REG_ITMP2); #if defined(USE_THREADS) && defined(NATIVE_THREADS) codegen_threadcritstart(m, cd->mcodeptr - cd->mcodebase); #endif x86_64_movl_membase_reg(cd, REG_ITMP1, OFFSET(vftbl_t, baseval), REG_ITMP1); x86_64_movl_membase_reg(cd, REG_ITMP2, OFFSET(vftbl_t, baseval), REG_ITMP3); x86_64_movl_membase_reg(cd, REG_ITMP2, OFFSET(vftbl_t, diffval), REG_ITMP2); #if defined(USE_THREADS) && defined(NATIVE_THREADS) codegen_threadcritstop(m, cd->mcodeptr - cd->mcodebase); #endif x86_64_alu_reg_reg(cd, X86_64_SUB, REG_ITMP3, REG_ITMP1); x86_64_alu_reg_reg(cd, X86_64_XOR, d, d); x86_64_alu_reg_reg(cd, X86_64_CMP, REG_ITMP2, REG_ITMP1); x86_64_setcc_reg(cd, X86_64_CC_BE, d); } } else panic("internal error: no inlined array instanceof"); } store_reg_to_var_int(iptr->dst, d); break; case ICMD_CHECKCAST: /* ..., objectref ==> ..., objectref */ /* op1: 0 == array, 1 == class */ /* val.a: (classinfo*) superclass */ /* superclass is an interface: * * OK if ((sub == NULL) || * (sub->vftbl->interfacetablelength > super->index) && * (sub->vftbl->interfacetable[-super->index] != NULL)); * * superclass is a class: * * OK if ((sub == NULL) || (0 * <= (sub->vftbl->baseval - super->vftbl->baseval) <= * super->vftbl->diffvall)); */ { classinfo *super = (classinfo*) iptr->val.a; #if defined(USE_THREADS) && defined(NATIVE_THREADS) codegen_threadcritrestart(m, cd->mcodeptr - cd->mcodebase); #endif d = reg_of_var(m, iptr->dst, REG_ITMP3); var_to_reg_int(s1, src, d); if (iptr->op1) { /* class/interface */ if (super->flags & ACC_INTERFACE) { /* interface */ x86_64_test_reg_reg(cd, s1, s1); /* TODO: clean up this calculation */ a = 3; /* mov_membase_reg */ CALCOFFSETBYTES(a, s1, OFFSET(java_objectheader, vftbl)); a += 3; /* movl_membase_reg - only if REG_ITMP2 == R10 */ CALCOFFSETBYTES(a, REG_ITMP1, OFFSET(vftbl_t, interfacetablelength)); a += 3; /* sub */ CALCIMMEDIATEBYTES(a, super->index); a += 3; /* test */ a += 6; /* jcc */ a += 3; /* mov_membase_reg */ CALCOFFSETBYTES(a, REG_ITMP1, OFFSET(vftbl_t, interfacetable[0]) - super->index * sizeof(methodptr*)); a += 3; /* test */ a += 6; /* jcc */ x86_64_jcc(cd, X86_64_CC_E, a); x86_64_mov_membase_reg(cd, s1, OFFSET(java_objectheader, vftbl), REG_ITMP1); x86_64_movl_membase_reg(cd, REG_ITMP1, OFFSET(vftbl_t, interfacetablelength), REG_ITMP2); x86_64_alu_imm_reg(cd, X86_64_SUB, super->index, REG_ITMP2); x86_64_test_reg_reg(cd, REG_ITMP2, REG_ITMP2); x86_64_jcc(cd, X86_64_CC_LE, 0); codegen_addxcastrefs(m, cd->mcodeptr); x86_64_mov_membase_reg(cd, REG_ITMP1, OFFSET(vftbl_t, interfacetable[0]) - super->index * sizeof(methodptr*), REG_ITMP2); x86_64_test_reg_reg(cd, REG_ITMP2, REG_ITMP2); x86_64_jcc(cd, X86_64_CC_E, 0); codegen_addxcastrefs(m, cd->mcodeptr); } else { /* class */ x86_64_test_reg_reg(cd, s1, s1); /* TODO: clean up this calculation */ a = 3; /* mov_membase_reg */ CALCOFFSETBYTES(a, s1, OFFSET(java_objectheader, vftbl)); a += 10; /* mov_imm_reg */ a += 2; /* movl_membase_reg - only if REG_ITMP1 == RAX */ CALCOFFSETBYTES(a, REG_ITMP1, OFFSET(vftbl_t, baseval)); if (d != REG_ITMP3) { a += 3; /* movl_membase_reg - only if REG_ITMP2 == R10 */ CALCOFFSETBYTES(a, REG_ITMP2, OFFSET(vftbl_t, baseval)); a += 3; /* movl_membase_reg - only if REG_ITMP2 == R10 */ CALCOFFSETBYTES(a, REG_ITMP2, OFFSET(vftbl_t, diffval)); a += 3; /* sub */ } else { a += 3; /* movl_membase_reg - only if REG_ITMP2 == R10 */ CALCOFFSETBYTES(a, REG_ITMP2, OFFSET(vftbl_t, baseval)); a += 3; /* sub */ a += 10; /* mov_imm_reg */ a += 3; /* movl_membase_reg - only if REG_ITMP2 == R10 */ CALCOFFSETBYTES(a, REG_ITMP2, OFFSET(vftbl_t, diffval)); } a += 3; /* cmp */ a += 6; /* jcc */ x86_64_jcc(cd, X86_64_CC_E, a); x86_64_mov_membase_reg(cd, s1, OFFSET(java_objectheader, vftbl), REG_ITMP1); x86_64_mov_imm_reg(cd, (s8) super->vftbl, REG_ITMP2); #if defined(USE_THREADS) && defined(NATIVE_THREADS) codegen_threadcritstart(m, cd->mcodeptr - cd->mcodebase); #endif x86_64_movl_membase_reg(cd, REG_ITMP1, OFFSET(vftbl_t, baseval), REG_ITMP1); if (d != REG_ITMP3) { x86_64_movl_membase_reg(cd, REG_ITMP2, OFFSET(vftbl_t, baseval), REG_ITMP3); x86_64_movl_membase_reg(cd, REG_ITMP2, OFFSET(vftbl_t, diffval), REG_ITMP2); #if defined(USE_THREADS) && defined(NATIVE_THREADS) codegen_threadcritstop(m, cd->mcodeptr - cd->mcodebase); #endif x86_64_alu_reg_reg(cd, X86_64_SUB, REG_ITMP3, REG_ITMP1); } else { x86_64_movl_membase_reg(cd, REG_ITMP2, OFFSET(vftbl_t, baseval), REG_ITMP2); x86_64_alu_reg_reg(cd, X86_64_SUB, REG_ITMP2, REG_ITMP1); x86_64_mov_imm_reg(cd, (s8) super->vftbl, REG_ITMP2); x86_64_movl_membase_reg(cd, REG_ITMP2, OFFSET(vftbl_t, diffval), REG_ITMP2); #if defined(USE_THREADS) && defined(NATIVE_THREADS) codegen_threadcritstop(m, cd->mcodeptr - cd->mcodebase); #endif } x86_64_alu_reg_reg(cd, X86_64_CMP, REG_ITMP2, REG_ITMP1); x86_64_jcc(cd, X86_64_CC_A, 0); /* (u) REG_ITMP1 > (u) REG_ITMP2 -> jump */ codegen_addxcastrefs(m, cd->mcodeptr); } } else panic("internal error: no inlined array checkcast"); } M_INTMOVE(s1, d); store_reg_to_var_int(iptr->dst, d); break; case ICMD_CHECKASIZE: /* ..., size ==> ..., size */ if (src->flags & INMEMORY) { x86_64_alul_imm_membase(cd, X86_64_CMP, 0, REG_SP, src->regoff * 8); } else { x86_64_testl_reg_reg(cd, src->regoff, src->regoff); } x86_64_jcc(cd, X86_64_CC_L, 0); codegen_addxcheckarefs(m, cd->mcodeptr); break; case ICMD_CHECKEXCEPTION: /* ... ==> ... */ x86_64_test_reg_reg(cd, REG_RESULT, REG_RESULT); x86_64_jcc(cd, X86_64_CC_E, 0); codegen_addxexceptionrefs(m, cd->mcodeptr); break; case ICMD_MULTIANEWARRAY:/* ..., cnt1, [cnt2, ...] ==> ..., arrayref */ /* op1 = dimension, val.a = array descriptor */ /* check for negative sizes and copy sizes to stack if necessary */ MCODECHECK((iptr->op1 << 1) + 64); for (s1 = iptr->op1; --s1 >= 0; src = src->prev) { var_to_reg_int(s2, src, REG_ITMP1); x86_64_testl_reg_reg(cd, s2, s2); x86_64_jcc(cd, X86_64_CC_L, 0); codegen_addxcheckarefs(m, cd->mcodeptr); /* copy sizes to stack (argument numbers >= INT_ARG_CNT) */ if (src->varkind != ARGVAR) { x86_64_mov_reg_membase(cd, s2, REG_SP, (s1 + INT_ARG_CNT) * 8); } } /* a0 = dimension count */ x86_64_mov_imm_reg(cd, iptr->op1, r->argintregs[0]); /* a1 = arraydescriptor */ x86_64_mov_imm_reg(cd, (s8) iptr->val.a, r->argintregs[1]); /* a2 = pointer to dimensions = stack pointer */ x86_64_mov_reg_reg(cd, REG_SP, r->argintregs[2]); x86_64_mov_imm_reg(cd, (s8) builtin_nmultianewarray, REG_ITMP1); x86_64_call_reg(cd, REG_ITMP1); s1 = reg_of_var(m, iptr->dst, REG_RESULT); M_INTMOVE(REG_RESULT, s1); store_reg_to_var_int(iptr->dst, s1); break; default: error("Unknown pseudo command: %d", iptr->opc); } /* switch */ } /* for instruction */ /* copy values to interface registers */ src = bptr->outstack; len = bptr->outdepth; MCODECHECK(64 + len); while (src) { len--; if ((src->varkind != STACKVAR)) { s2 = src->type; if (IS_FLT_DBL_TYPE(s2)) { var_to_reg_flt(s1, src, REG_FTMP1); if (!(r->interfaces[len][s2].flags & INMEMORY)) { M_FLTMOVE(s1, r->interfaces[len][s2].regoff); } else { x86_64_movq_reg_membase(cd, s1, REG_SP, r->interfaces[len][s2].regoff * 8); } } else { var_to_reg_int(s1, src, REG_ITMP1); if (!(r->interfaces[len][s2].flags & INMEMORY)) { M_INTMOVE(s1, r->interfaces[len][s2].regoff); } else { x86_64_mov_reg_membase(cd, s1, REG_SP, r->interfaces[len][s2].regoff * 8); } } } src = src->prev; } } /* if (bptr -> flags >= BBREACHED) */ } /* for basic block */ { /* generate bound check stubs */ u1 *xcodeptr = NULL; branchref *bref; for (bref = cd->xboundrefs; bref != NULL; bref = bref->next) { gen_resolvebranch(cd->mcodebase + bref->branchpos, bref->branchpos, cd->mcodeptr - cd->mcodebase); MCODECHECK(50); /* move index register into REG_ITMP1 */ x86_64_mov_reg_reg(cd, bref->reg, REG_ITMP1); /* 3 bytes */ x86_64_mov_imm_reg(cd, 0, REG_ITMP2_XPC); /* 10 bytes */ dseg_adddata(m, cd->mcodeptr); x86_64_mov_imm_reg(cd, bref->branchpos - 6, REG_ITMP3); /* 10 bytes */ x86_64_alu_reg_reg(cd, X86_64_ADD, REG_ITMP3, REG_ITMP2_XPC); /* 3 bytes */ if (xcodeptr != NULL) { x86_64_jmp_imm(cd, xcodeptr - cd->mcodeptr - 5); } else { xcodeptr = cd->mcodeptr; x86_64_alu_imm_reg(cd, X86_64_SUB, 2 * 8, REG_SP); x86_64_mov_reg_membase(cd, REG_ITMP2_XPC, REG_SP, 0 * 8); x86_64_mov_imm_reg(cd, (s8) string_java_lang_ArrayIndexOutOfBoundsException, r->argintregs[0]); x86_64_mov_reg_reg(cd, REG_ITMP1, r->argintregs[1]); x86_64_mov_imm_reg(cd, (s8) new_exception_int, REG_ITMP3); x86_64_call_reg(cd, REG_ITMP3); x86_64_mov_membase_reg(cd, REG_SP, 0 * 8, REG_ITMP2_XPC); x86_64_alu_imm_reg(cd, X86_64_ADD, 2 * 8, REG_SP); x86_64_mov_imm_reg(cd, (s8) asm_handle_exception, REG_ITMP3); x86_64_jmp_reg(cd, REG_ITMP3); } } /* generate negative array size check stubs */ xcodeptr = NULL; for (bref = cd->xcheckarefs; bref != NULL; bref = bref->next) { if ((cd->exceptiontablelength == 0) && (xcodeptr != NULL)) { gen_resolvebranch(cd->mcodebase + bref->branchpos, bref->branchpos, xcodeptr - cd->mcodebase - (10 + 10 + 3)); continue; } gen_resolvebranch(cd->mcodebase + bref->branchpos, bref->branchpos, cd->mcodeptr - cd->mcodebase); MCODECHECK(50); x86_64_mov_imm_reg(cd, 0, REG_ITMP2_XPC); /* 10 bytes */ dseg_adddata(m, cd->mcodeptr); x86_64_mov_imm_reg(cd, bref->branchpos - 6, REG_ITMP3); /* 10 bytes */ x86_64_alu_reg_reg(cd, X86_64_ADD, REG_ITMP3, REG_ITMP2_XPC); /* 3 bytes */ if (xcodeptr != NULL) { x86_64_jmp_imm(cd, xcodeptr - cd->mcodeptr - 5); } else { xcodeptr = cd->mcodeptr; x86_64_alu_imm_reg(cd, X86_64_SUB, 2 * 8, REG_SP); x86_64_mov_reg_membase(cd, REG_ITMP2_XPC, REG_SP, 0 * 8); x86_64_mov_imm_reg(cd, (s8) string_java_lang_NegativeArraySizeException, r->argintregs[0]); x86_64_mov_imm_reg(cd, (s8) new_exception, REG_ITMP3); x86_64_call_reg(cd, REG_ITMP3); x86_64_mov_membase_reg(cd, REG_SP, 0 * 8, REG_ITMP2_XPC); x86_64_alu_imm_reg(cd, X86_64_ADD, 2 * 8, REG_SP); x86_64_mov_imm_reg(cd, (s8) asm_handle_exception, REG_ITMP3); x86_64_jmp_reg(cd, REG_ITMP3); } } /* generate cast check stubs */ xcodeptr = NULL; for (bref = cd->xcastrefs; bref != NULL; bref = bref->next) { if ((cd->exceptiontablelength == 0) && (xcodeptr != NULL)) { gen_resolvebranch(cd->mcodebase + bref->branchpos, bref->branchpos, xcodeptr - cd->mcodebase - (10 + 10 + 3)); continue; } gen_resolvebranch(cd->mcodebase + bref->branchpos, bref->branchpos, cd->mcodeptr - cd->mcodebase); MCODECHECK(50); x86_64_mov_imm_reg(cd, 0, REG_ITMP2_XPC); /* 10 bytes */ dseg_adddata(m, cd->mcodeptr); x86_64_mov_imm_reg(cd, bref->branchpos - 6, REG_ITMP3); /* 10 bytes */ x86_64_alu_reg_reg(cd, X86_64_ADD, REG_ITMP3, REG_ITMP2_XPC); /* 3 bytes */ if (xcodeptr != NULL) { x86_64_jmp_imm(cd, xcodeptr - cd->mcodeptr - 5); } else { xcodeptr = cd->mcodeptr; x86_64_alu_imm_reg(cd, X86_64_SUB, 2 * 8, REG_SP); x86_64_mov_reg_membase(cd, REG_ITMP2_XPC, REG_SP, 0 * 8); x86_64_mov_imm_reg(cd, (s8) string_java_lang_ClassCastException, r->argintregs[0]); x86_64_mov_imm_reg(cd, (s8) new_exception, REG_ITMP3); x86_64_call_reg(cd, REG_ITMP3); x86_64_mov_membase_reg(cd, REG_SP, 0 * 8, REG_ITMP2_XPC); x86_64_alu_imm_reg(cd, X86_64_ADD, 2 * 8, REG_SP); x86_64_mov_imm_reg(cd, (s8) asm_handle_exception, REG_ITMP3); x86_64_jmp_reg(cd, REG_ITMP3); } } /* generate divide by zero check stubs */ xcodeptr = NULL; for (bref = cd->xdivrefs; bref != NULL; bref = bref->next) { if ((cd->exceptiontablelength == 0) && (xcodeptr != NULL)) { gen_resolvebranch(cd->mcodebase + bref->branchpos, bref->branchpos, xcodeptr - cd->mcodebase - (10 + 10 + 3)); continue; } gen_resolvebranch(cd->mcodebase + bref->branchpos, bref->branchpos, cd->mcodeptr - cd->mcodebase); MCODECHECK(50); x86_64_mov_imm_reg(cd, 0, REG_ITMP2_XPC); /* 10 bytes */ dseg_adddata(m, cd->mcodeptr); x86_64_mov_imm_reg(cd, bref->branchpos - 6, REG_ITMP3); /* 10 bytes */ x86_64_alu_reg_reg(cd, X86_64_ADD, REG_ITMP3, REG_ITMP2_XPC); /* 3 bytes */ if (xcodeptr != NULL) { x86_64_jmp_imm(cd, xcodeptr - cd->mcodeptr - 5); } else { xcodeptr = cd->mcodeptr; x86_64_alu_imm_reg(cd, X86_64_SUB, 2 * 8, REG_SP); x86_64_mov_reg_membase(cd, REG_ITMP2_XPC, REG_SP, 0 * 8); x86_64_mov_imm_reg(cd, (u8) string_java_lang_ArithmeticException, r->argintregs[0]); x86_64_mov_imm_reg(cd, (u8) string_java_lang_ArithmeticException_message, r->argintregs[1]); x86_64_mov_imm_reg(cd, (u8) new_exception, REG_ITMP3); x86_64_call_reg(cd, REG_ITMP3); x86_64_mov_membase_reg(cd, REG_SP, 0 * 8, REG_ITMP2_XPC); x86_64_alu_imm_reg(cd, X86_64_ADD, 2 * 8, REG_SP); x86_64_mov_imm_reg(cd, (u8) asm_handle_exception, REG_ITMP3); x86_64_jmp_reg(cd, REG_ITMP3); } } /* generate exception check stubs */ xcodeptr = NULL; for (bref = cd->xexceptionrefs; bref != NULL; bref = bref->next) { if ((cd->exceptiontablelength == 0) && (xcodeptr != NULL)) { gen_resolvebranch(cd->mcodebase + bref->branchpos, bref->branchpos, xcodeptr - cd->mcodebase - (10 + 10 + 3)); continue; } gen_resolvebranch(cd->mcodebase + bref->branchpos, bref->branchpos, cd->mcodeptr - cd->mcodebase); MCODECHECK(50); x86_64_mov_imm_reg(cd, 0, REG_ITMP2_XPC); /* 10 bytes */ dseg_adddata(m, cd->mcodeptr); x86_64_mov_imm_reg(cd, bref->branchpos - 6, REG_ITMP1); /* 10 bytes */ x86_64_alu_reg_reg(cd, X86_64_ADD, REG_ITMP1, REG_ITMP2_XPC); /* 3 bytes */ if (xcodeptr != NULL) { x86_64_jmp_imm(cd, xcodeptr - cd->mcodeptr - 5); } else { xcodeptr = cd->mcodeptr; #if defined(USE_THREADS) && defined(NATIVE_THREADS) x86_64_alu_imm_reg(cd, X86_64_SUB, 8, REG_SP); x86_64_mov_reg_membase(cd, REG_ITMP2_XPC, REG_SP, 0); x86_64_mov_imm_reg(cd, (u8) &builtin_get_exceptionptrptr, REG_ITMP1); x86_64_call_reg(cd, REG_ITMP1); x86_64_mov_membase_reg(cd, REG_RESULT, 0, REG_ITMP3); x86_64_mov_imm_membase(cd, 0, REG_RESULT, 0); x86_64_mov_reg_reg(cd, REG_ITMP3, REG_ITMP1_XPTR); x86_64_mov_membase_reg(cd, REG_SP, 0, REG_ITMP2_XPC); x86_64_alu_imm_reg(cd, X86_64_ADD, 8, REG_SP); #else x86_64_mov_imm_reg(cd, (u8) &_exceptionptr, REG_ITMP3); x86_64_mov_membase_reg(cd, REG_ITMP3, 0, REG_ITMP1_XPTR); x86_64_mov_imm_membase(cd, 0, REG_ITMP3, 0); #endif x86_64_mov_imm_reg(cd, (u8) asm_handle_exception, REG_ITMP3); x86_64_jmp_reg(cd, REG_ITMP3); } } /* generate null pointer check stubs */ xcodeptr = NULL; for (bref = cd->xnullrefs; bref != NULL; bref = bref->next) { if ((cd->exceptiontablelength == 0) && (xcodeptr != NULL)) { gen_resolvebranch(cd->mcodebase + bref->branchpos, bref->branchpos, xcodeptr - cd->mcodebase - (10 + 10 + 3)); continue; } gen_resolvebranch(cd->mcodebase + bref->branchpos, bref->branchpos, cd->mcodeptr - cd->mcodebase); MCODECHECK(50); x86_64_mov_imm_reg(cd, 0, REG_ITMP2_XPC); /* 10 bytes */ dseg_adddata(m, cd->mcodeptr); x86_64_mov_imm_reg(cd, bref->branchpos - 6, REG_ITMP1); /* 10 bytes */ x86_64_alu_reg_reg(cd, X86_64_ADD, REG_ITMP1, REG_ITMP2_XPC); /* 3 bytes */ if (xcodeptr != NULL) { x86_64_jmp_imm(cd, xcodeptr - cd->mcodeptr - 5); } else { xcodeptr = cd->mcodeptr; x86_64_alu_imm_reg(cd, X86_64_SUB, 2 * 8, REG_SP); x86_64_mov_reg_membase(cd, REG_ITMP2_XPC, REG_SP, 0 * 8); x86_64_mov_imm_reg(cd, (s8) string_java_lang_NullPointerException, r->argintregs[0]); x86_64_mov_imm_reg(cd, (s8) new_exception, REG_ITMP3); x86_64_call_reg(cd, REG_ITMP3); x86_64_mov_membase_reg(cd, REG_SP, 0 * 8, REG_ITMP2_XPC); x86_64_alu_imm_reg(cd, X86_64_ADD, 2 * 8, REG_SP); x86_64_mov_imm_reg(cd, (s8) asm_handle_exception, REG_ITMP3); x86_64_jmp_reg(cd, REG_ITMP3); } } } codegen_finish(m, (s4) ((u1 *) cd->mcodeptr - cd->mcodebase)); } /* function createcompilerstub ************************************************* creates a stub routine which calls the compiler *******************************************************************************/ #define COMPSTUBSIZE 23 u1 *createcompilerstub(methodinfo *m) { u1 *s = CNEW(u1, COMPSTUBSIZE); /* memory to hold the stub */ codegendata *cd; /* setup codegendata structure */ codegen_setup(m, NULL); cd = m->codegendata; cd->mcodeptr = s; /* code for the stub */ x86_64_mov_imm_reg(cd, (s8) m, REG_ITMP1); /* pass method pointer to compiler */ x86_64_mov_imm_reg(cd, (s8) asm_call_jit_compiler, REG_ITMP3);/* load address */ x86_64_jmp_reg(cd, REG_ITMP3); /* jump to compiler */ /* free codegendata memory */ codegen_close(m); #if defined(STATISTICS) if (opt_stat) count_cstub_len += COMPSTUBSIZE; #endif return s; } /* function removecompilerstub ************************************************* deletes a compilerstub from memory (simply by freeing it) *******************************************************************************/ void removecompilerstub(u1 *stub) { CFREE(stub, COMPSTUBSIZE); } /* function: createnativestub ************************************************** creates a stub routine which calls a native method *******************************************************************************/ /* #if defined(USE_THREADS) && defined(NATIVE_THREADS) */ /* static java_objectheader **(*callgetexceptionptrptr)() = builtin_get_exceptionptrptr; */ /* #endif */ #define NATIVESTUBSIZE 420 u1 *createnativestub(functionptr f, methodinfo *m) { u1 *s = CNEW(u1, NATIVESTUBSIZE); /* memory to hold the stub */ s4 stackframesize; /* size of stackframe if needed */ registerdata *r; codegendata *cd; /* setup codegendata structure */ codegen_setup(m, NULL); /* initialize registers before using it */ reg_init(m); /* keep code size smaller */ r = m->registerdata; cd = m->codegendata; cd->mcodeptr = s; descriptor2types(m); /* set paramcount and paramtypes */ /* if function is static, check for initialized */ if (m->flags & ACC_STATIC) { /* if class isn't yet initialized, do it */ if (!m->class->initialized) { /* call helper function which patches this code */ x86_64_mov_imm_reg(cd, (u8) m->class, REG_ITMP1); x86_64_mov_imm_reg(cd, (u8) asm_check_clinit, REG_ITMP2); x86_64_call_reg(cd, REG_ITMP2); } } if (runverbose) { s4 p, l, s1; x86_64_alu_imm_reg(cd, X86_64_SUB, (INT_ARG_CNT + FLT_ARG_CNT + 1) * 8, REG_SP); x86_64_mov_reg_membase(cd, r->argintregs[0], REG_SP, 1 * 8); x86_64_mov_reg_membase(cd, r->argintregs[1], REG_SP, 2 * 8); x86_64_mov_reg_membase(cd, r->argintregs[2], REG_SP, 3 * 8); x86_64_mov_reg_membase(cd, r->argintregs[3], REG_SP, 4 * 8); x86_64_mov_reg_membase(cd, r->argintregs[4], REG_SP, 5 * 8); x86_64_mov_reg_membase(cd, r->argintregs[5], REG_SP, 6 * 8); x86_64_movq_reg_membase(cd, r->argfltregs[0], REG_SP, 7 * 8); x86_64_movq_reg_membase(cd, r->argfltregs[1], REG_SP, 8 * 8); x86_64_movq_reg_membase(cd, r->argfltregs[2], REG_SP, 9 * 8); x86_64_movq_reg_membase(cd, r->argfltregs[3], REG_SP, 10 * 8); /* x86_64_movq_reg_membase(cd, r->argfltregs[4], REG_SP, 11 * 8); */ /* x86_64_movq_reg_membase(cd, r->argfltregs[5], REG_SP, 12 * 8); */ /* x86_64_movq_reg_membase(cd, r->argfltregs[6], REG_SP, 13 * 8); */ /* x86_64_movq_reg_membase(cd, r->argfltregs[7], REG_SP, 14 * 8); */ /* show integer hex code for float arguments */ for (p = 0, l = 0; p < m->paramcount; p++) { if (IS_FLT_DBL_TYPE(m->paramtypes[p])) { for (s1 = (m->paramcount > INT_ARG_CNT) ? INT_ARG_CNT - 2 : m->paramcount - 2; s1 >= p; s1--) { x86_64_mov_reg_reg(cd, r->argintregs[s1], r->argintregs[s1 + 1]); } x86_64_movd_freg_reg(cd, r->argfltregs[l], r->argintregs[p]); l++; } } x86_64_mov_imm_reg(cd, (s8) m, REG_ITMP1); x86_64_mov_reg_membase(cd, REG_ITMP1, REG_SP, 0 * 8); x86_64_mov_imm_reg(cd, (s8) builtin_trace_args, REG_ITMP1); x86_64_call_reg(cd, REG_ITMP1); x86_64_mov_membase_reg(cd, REG_SP, 1 * 8, r->argintregs[0]); x86_64_mov_membase_reg(cd, REG_SP, 2 * 8, r->argintregs[1]); x86_64_mov_membase_reg(cd, REG_SP, 3 * 8, r->argintregs[2]); x86_64_mov_membase_reg(cd, REG_SP, 4 * 8, r->argintregs[3]); x86_64_mov_membase_reg(cd, REG_SP, 5 * 8, r->argintregs[4]); x86_64_mov_membase_reg(cd, REG_SP, 6 * 8, r->argintregs[5]); x86_64_movq_membase_reg(cd, REG_SP, 7 * 8, r->argfltregs[0]); x86_64_movq_membase_reg(cd, REG_SP, 8 * 8, r->argfltregs[1]); x86_64_movq_membase_reg(cd, REG_SP, 9 * 8, r->argfltregs[2]); x86_64_movq_membase_reg(cd, REG_SP, 10 * 8, r->argfltregs[3]); /* x86_64_movq_membase_reg(cd, REG_SP, 11 * 8, r->argfltregs[4]); */ /* x86_64_movq_membase_reg(cd, REG_SP, 12 * 8, r->argfltregs[5]); */ /* x86_64_movq_membase_reg(cd, REG_SP, 13 * 8, r->argfltregs[6]); */ /* x86_64_movq_membase_reg(cd, REG_SP, 14 * 8, r->argfltregs[7]); */ x86_64_alu_imm_reg(cd, X86_64_ADD, (INT_ARG_CNT + FLT_ARG_CNT + 1) * 8, REG_SP); } #if 0 x86_64_alu_imm_reg(cd, X86_64_SUB, 7 * 8, REG_SP); /* keep stack 16-byte aligned */ /* save callee saved float registers */ x86_64_movq_reg_membase(cd, XMM15, REG_SP, 0 * 8); x86_64_movq_reg_membase(cd, XMM14, REG_SP, 1 * 8); x86_64_movq_reg_membase(cd, XMM13, REG_SP, 2 * 8); x86_64_movq_reg_membase(cd, XMM12, REG_SP, 3 * 8); x86_64_movq_reg_membase(cd, XMM11, REG_SP, 4 * 8); x86_64_movq_reg_membase(cd, XMM10, REG_SP, 5 * 8); #endif /* save argument registers on stack -- if we have to */ if ((m->flags & ACC_STATIC && m->paramcount > (INT_ARG_CNT - 2)) || m->paramcount > (INT_ARG_CNT - 1)) { s4 i; s4 paramshiftcnt = (m->flags & ACC_STATIC) ? 2 : 1; s4 stackparamcnt = (m->paramcount > INT_ARG_CNT) ? m->paramcount - INT_ARG_CNT : 0; stackframesize = stackparamcnt + paramshiftcnt; /* keep stack 16-byte aligned */ if ((stackframesize % 2) == 0) stackframesize++; x86_64_alu_imm_reg(cd, X86_64_SUB, stackframesize * 8, REG_SP); /* copy stack arguments into new stack frame -- if any */ for (i = 0; i < stackparamcnt; i++) { x86_64_mov_membase_reg(cd, REG_SP, (stackparamcnt + 1 + i) * 8, REG_ITMP1); x86_64_mov_reg_membase(cd, REG_ITMP1, REG_SP, (paramshiftcnt + i) * 8); } if (m->flags & ACC_STATIC) { x86_64_mov_reg_membase(cd, r->argintregs[5], REG_SP, 1 * 8); x86_64_mov_reg_membase(cd, r->argintregs[4], REG_SP, 0 * 8); } else { x86_64_mov_reg_membase(cd, r->argintregs[5], REG_SP, 0 * 8); } } else { /* keep stack 16-byte aligned -- this is essential for x86_64 */ x86_64_alu_imm_reg(cd, X86_64_SUB, 8, REG_SP); stackframesize = 1; } if (m->flags & ACC_STATIC) { x86_64_mov_reg_reg(cd, r->argintregs[3], r->argintregs[5]); x86_64_mov_reg_reg(cd, r->argintregs[2], r->argintregs[4]); x86_64_mov_reg_reg(cd, r->argintregs[1], r->argintregs[3]); x86_64_mov_reg_reg(cd, r->argintregs[0], r->argintregs[2]); /* put class into second argument register */ x86_64_mov_imm_reg(cd, (u8) m->class, r->argintregs[1]); } else { x86_64_mov_reg_reg(cd, r->argintregs[4], r->argintregs[5]); x86_64_mov_reg_reg(cd, r->argintregs[3], r->argintregs[4]); x86_64_mov_reg_reg(cd, r->argintregs[2], r->argintregs[3]); x86_64_mov_reg_reg(cd, r->argintregs[1], r->argintregs[2]); x86_64_mov_reg_reg(cd, r->argintregs[0], r->argintregs[1]); } /* put env into first argument register */ x86_64_mov_imm_reg(cd, (u8) &env, r->argintregs[0]); x86_64_mov_imm_reg(cd, (u8) f, REG_ITMP1); x86_64_call_reg(cd, REG_ITMP1); /* remove stackframe if there is one */ if (stackframesize) { x86_64_alu_imm_reg(cd, X86_64_ADD, stackframesize * 8, REG_SP); } if (runverbose) { x86_64_alu_imm_reg(cd, X86_64_SUB, 3 * 8, REG_SP); /* keep stack 16-byte aligned */ x86_64_mov_reg_membase(cd, REG_RESULT, REG_SP, 0 * 8); x86_64_movq_reg_membase(cd, REG_FRESULT, REG_SP, 1 * 8); x86_64_mov_imm_reg(cd, (u8) m, r->argintregs[0]); x86_64_mov_reg_reg(cd, REG_RESULT, r->argintregs[1]); M_FLTMOVE(REG_FRESULT, r->argfltregs[0]); M_FLTMOVE(REG_FRESULT, r->argfltregs[1]); x86_64_mov_imm_reg(cd, (u8) builtin_displaymethodstop, REG_ITMP1); x86_64_call_reg(cd, REG_ITMP1); x86_64_mov_membase_reg(cd, REG_SP, 0 * 8, REG_RESULT); x86_64_movq_membase_reg(cd, REG_SP, 1 * 8, REG_FRESULT); x86_64_alu_imm_reg(cd, X86_64_ADD, 3 * 8, REG_SP); /* keep stack 16-byte aligned */ } #if 0 /* restore callee saved registers */ x86_64_movq_membase_reg(cd, REG_SP, 0 * 8, XMM15); x86_64_movq_membase_reg(cd, REG_SP, 1 * 8, XMM14); x86_64_movq_membase_reg(cd, REG_SP, 2 * 8, XMM13); x86_64_movq_membase_reg(cd, REG_SP, 3 * 8, XMM12); x86_64_movq_membase_reg(cd, REG_SP, 4 * 8, XMM11); x86_64_movq_membase_reg(cd, REG_SP, 5 * 8, XMM10); x86_64_alu_imm_reg(cd, X86_64_ADD, 7 * 8, REG_SP); /* keep stack 16-byte aligned */ #endif #if defined(USE_THREADS) && defined(NATIVE_THREADS) x86_64_push_reg(cd, REG_RESULT); /* x86_64_call_mem(cd, (u8) &callgetexceptionptrptr); */ x86_64_mov_imm_reg(cd, (u8) builtin_get_exceptionptrptr, REG_ITMP3); x86_64_call_reg(cd, REG_ITMP3); x86_64_mov_membase_reg(cd, REG_RESULT, 0, REG_ITMP3); x86_64_pop_reg(cd, REG_RESULT); #else x86_64_mov_imm_reg(cd, (s8) &_exceptionptr, REG_ITMP3); x86_64_mov_membase_reg(cd, REG_ITMP3, 0, REG_ITMP3); #endif x86_64_test_reg_reg(cd, REG_ITMP3, REG_ITMP3); x86_64_jcc(cd, X86_64_CC_NE, 1); x86_64_ret(cd); #if defined(USE_THREADS) && defined(NATIVE_THREADS) x86_64_push_reg(cd, REG_ITMP3); /* x86_64_call_mem(cd, (u8) &callgetexceptionptrptr); */ x86_64_mov_imm_reg(cd, (u8) builtin_get_exceptionptrptr, REG_ITMP3); x86_64_call_reg(cd, REG_ITMP3); x86_64_mov_imm_membase(cd, 0, REG_RESULT, 0); x86_64_pop_reg(cd, REG_ITMP1_XPTR); #else x86_64_mov_reg_reg(cd, REG_ITMP3, REG_ITMP1_XPTR); x86_64_mov_imm_reg(cd, (s8) &_exceptionptr, REG_ITMP3); x86_64_alu_reg_reg(cd, X86_64_XOR, REG_ITMP2, REG_ITMP2); x86_64_mov_reg_membase(cd, REG_ITMP2, REG_ITMP3, 0); /* clear exception pointer */ #endif x86_64_mov_membase_reg(cd, REG_SP, 0, REG_ITMP2_XPC); /* get return address from stack */ x86_64_alu_imm_reg(cd, X86_64_SUB, 3, REG_ITMP2_XPC); /* callq */ x86_64_mov_imm_reg(cd, (s8) asm_handle_nat_exception, REG_ITMP3); x86_64_jmp_reg(cd, REG_ITMP3); #if 0 { static int stubprinted; if (!stubprinted) printf("stubsize: %d\n", ((long) cd->mcodeptr - (long) s)); stubprinted = 1; } #endif /* free codegendata memory */ codegen_close(m); #if defined(STATISTICS) if (opt_stat) count_nstub_len += NATIVESTUBSIZE; #endif return s; } /* function: removenativestub ************************************************** removes a previously created native-stub from memory *******************************************************************************/ void removenativestub(u1 *stub) { CFREE(stub, NATIVESTUBSIZE); } /* * These are local overrides for various environment variables in Emacs. * Please do not remove this and leave it at the end of the file, where * Emacs will automagically detect them. * --------------------------------------------------------------------- * Local variables: * mode: c * indent-tabs-mode: t * c-basic-offset: 4 * tab-width: 4 * End: */