/* * Copyright (C) 2012-2019 Free Software Foundation, Inc. * * This file is part of GNU lightning. * * GNU lightning is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as published * by the Free Software Foundation; either version 3, or (at your option) * any later version. * * GNU lightning 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 Lesser General Public * License for more details. * * Authors: * Paulo Cesar Pereira de Andrade */ #if defined(__linux__) # include #endif #if NEW_ABI # define NUM_WORD_ARGS 8 # define STACK_SLOT 8 # define STACK_SHIFT 3 #else # define NUM_WORD_ARGS 4 # define STACK_SLOT 4 # define STACK_SHIFT 2 #endif #if NEW_ABI && __BYTE_ORDER == __BIG_ENDIAN && __WORDSIZE == 32 # define WORD_ADJUST 4 #else # define WORD_ADJUST 0 #endif #define jit_arg_reg_p(i) ((i) >= 0 && (i) < NUM_WORD_ARGS) #if __BYTE_ORDER == __LITTLE_ENDIAN # define C_DISP 0 # define S_DISP 0 # define I_DISP 0 #else # define C_DISP STACK_SLOT - sizeof(jit_int8_t) # define S_DISP STACK_SLOT - sizeof(jit_int16_t) # define I_DISP STACK_SLOT - sizeof(jit_int32_t) #endif /* * Types */ typedef struct jit_pointer_t jit_va_list_t; /* * Prototypes */ #define jit_make_arg(node) _jit_make_arg(_jit,node) static jit_node_t *_jit_make_arg(jit_state_t*,jit_node_t*); #define jit_make_arg_f(node) _jit_make_arg_f(_jit,node) static jit_node_t *_jit_make_arg_f(jit_state_t*,jit_node_t*); #define jit_make_arg_d(node) _jit_make_arg_d(_jit,node) static jit_node_t *_jit_make_arg_d(jit_state_t*,jit_node_t*); #define patch(instr, node) _patch(_jit, instr, node) static void _patch(jit_state_t*,jit_word_t,jit_node_t*); #define PROTO 1 # include "jit_rewind.c" # include "jit_mips-cpu.c" # include "jit_mips-fpu.c" #undef PROTO /* * Initialization */ jit_register_t _rvs[] = { { rc(gpr) | 0x01, "at" }, { rc(gpr) | 0x02, "v0" }, { rc(gpr) | 0x03, "v1" }, #if !NEW_ABI { rc(gpr) | 0x08, "t0" }, { rc(gpr) | 0x09, "t1" }, { rc(gpr) | 0x0a, "t2" }, { rc(gpr) | 0x0b, "t3" }, #endif { rc(gpr) | 0x0c, "t4" }, { rc(gpr) | 0x0d, "t5" }, { rc(gpr) | 0x0e, "t6" }, { rc(gpr) | 0x0f, "t7" }, { rc(gpr) | 0x18, "t8" }, { rc(gpr) | 0x19, "t9" }, { rc(sav) | rc(gpr) | 0x10, "s0" }, { rc(sav) | rc(gpr) | 0x11, "s1" }, { rc(sav) | rc(gpr) | 0x12, "s2" }, { rc(sav) | rc(gpr) | 0x13, "s3" }, { rc(sav) | rc(gpr) | 0x14, "s4" }, { rc(sav) | rc(gpr) | 0x15, "s5" }, { rc(sav) | rc(gpr) | 0x16, "s6" }, { rc(sav) | rc(gpr) | 0x17, "s7" }, { 0x00, "zero" }, { 0x1a, "k0" }, { 0x1b, "k1" }, { rc(sav) | 0x1f, "ra" }, { rc(sav) | 0x1c, "gp" }, { rc(sav) | 0x1d, "sp" }, { rc(sav) | 0x1e, "fp" }, #if NEW_ABI { rc(gpr) | 0x0b, "a7" }, { rc(gpr) | 0x0a, "a6" }, { rc(gpr) | 0x09, "a5" }, { rc(gpr) | 0x08, "a4" }, #endif { rc(arg) | rc(gpr) | 0x07, "a3" }, { rc(arg) | rc(gpr) | 0x06, "a2" }, { rc(arg) | rc(gpr) | 0x05, "a1" }, { rc(arg) | rc(gpr) | 0x04, "a0" }, { rc(fpr) | 0x00, "$f0" }, { rc(fpr) | 0x02, "$f2" }, { rc(fpr) | 0x04, "$f4" }, { rc(fpr) | 0x06, "$f6" }, { rc(fpr) | 0x08, "$f8" }, { rc(fpr) | 0x0a, "$f10" }, #if !NEW_ABI { rc(sav) | rc(fpr) | 0x10, "$f16" }, { rc(sav) | rc(fpr) | 0x12, "$f18" }, #endif { rc(sav) | rc(fpr) | 0x14, "$f20" }, { rc(sav) | rc(fpr) | 0x16, "$f22" }, { rc(sav) | rc(fpr) | 0x18, "$f24" }, { rc(sav) | rc(fpr) | 0x1a, "$f26" }, { rc(sav) | rc(fpr) | 0x1c, "$f28" }, { rc(sav) | rc(fpr) | 0x1e, "$f30" }, #if NEW_ABI { rc(arg) | rc(fpr) | 0x13, "$f19" }, { rc(arg) | rc(fpr) | 0x12, "$f18" }, { rc(arg) | rc(fpr) | 0x11, "$f17" }, { rc(arg) | rc(fpr) | 0x10, "$f16" }, { rc(arg) | rc(fpr) | 0x0f, "$f15" }, { rc(arg) | rc(fpr) | 0x0e, "$f14" }, { rc(arg) | rc(fpr) | 0x0d, "$f13" }, { rc(arg) | rc(fpr) | 0x0c, "$f12" }, #else { rc(arg) | rc(fpr) | 0x0e, "$f14" }, { rc(arg) | rc(fpr) | 0x0c, "$f12" }, #endif { _NOREG, "" }, }; /* * Implementation */ void jit_get_cpu(void) { } void _jit_init(jit_state_t *_jit) { _jitc->reglen = jit_size(_rvs) - 1; /* Could also: * o reserve a register for carry (overkill) * o use MTLO/MFLO (performance hit) * So, keep a register allocated after setting carry, and implicitly * deallocate it if it can no longer be tracked */ jit_carry = _NOREG; } void _jit_prolog(jit_state_t *_jit) { jit_int32_t offset; if (_jitc->function) jit_epilog(); assert(jit_regset_cmp_ui(&_jitc->regarg, 0) == 0); jit_regset_set_ui(&_jitc->regsav, 0); offset = _jitc->functions.offset; if (offset >= _jitc->functions.length) { jit_realloc((jit_pointer_t *)&_jitc->functions.ptr, _jitc->functions.length * sizeof(jit_function_t), (_jitc->functions.length + 16) * sizeof(jit_function_t)); _jitc->functions.length += 16; } _jitc->function = _jitc->functions.ptr + _jitc->functions.offset++; _jitc->function->self.size = stack_framesize; _jitc->function->self.argi = _jitc->function->self.argf = _jitc->function->self.aoff = _jitc->function->self.alen = 0; _jitc->function->self.call = jit_call_default; jit_alloc((jit_pointer_t *)&_jitc->function->regoff, _jitc->reglen * sizeof(jit_int32_t)); /* _no_link here does not mean the jit_link() call can be removed * by rewriting as: * _jitc->function->prolog = jit_new_node(jit_code_prolog); */ _jitc->function->prolog = jit_new_node_no_link(jit_code_prolog); jit_link(_jitc->function->prolog); _jitc->function->prolog->w.w = offset; _jitc->function->epilog = jit_new_node_no_link(jit_code_epilog); /* u: label value * v: offset in blocks vector * w: offset in functions vector */ _jitc->function->epilog->w.w = offset; jit_regset_new(&_jitc->function->regset); } jit_int32_t _jit_allocai(jit_state_t *_jit, jit_int32_t length) { assert(_jitc->function); switch (length) { case 0: case 1: break; case 2: _jitc->function->self.aoff &= -2; break; case 3: case 4: _jitc->function->self.aoff &= -4; break; default: _jitc->function->self.aoff &= -8; break; } _jitc->function->self.aoff -= length; if (!_jitc->realize) { jit_inc_synth_ww(allocai, _jitc->function->self.aoff, length); jit_dec_synth(); } return (_jitc->function->self.aoff); } void _jit_allocar(jit_state_t *_jit, jit_int32_t u, jit_int32_t v) { jit_int32_t reg; assert(_jitc->function); jit_inc_synth_ww(allocar, u, v); if (!_jitc->function->allocar) { _jitc->function->aoffoff = jit_allocai(sizeof(jit_int32_t)); _jitc->function->allocar = 1; } reg = jit_get_reg(jit_class_gpr); jit_negr(reg, v); jit_andi(reg, reg, -8); jit_ldxi_i(u, JIT_FP, _jitc->function->aoffoff); jit_addr(u, u, reg); jit_addr(JIT_SP, JIT_SP, reg); jit_stxi_i(_jitc->function->aoffoff, JIT_FP, u); jit_unget_reg(reg); jit_dec_synth(); } void _jit_ret(jit_state_t *_jit) { jit_node_t *instr; assert(_jitc->function); jit_inc_synth(ret); /* jump to epilog */ instr = jit_jmpi(); jit_patch_at(instr, _jitc->function->epilog); jit_dec_synth(); } void _jit_retr(jit_state_t *_jit, jit_int32_t u) { jit_inc_synth_w(retr, u); if (JIT_RET != u) jit_movr(JIT_RET, u); jit_live(JIT_RET); jit_ret(); jit_dec_synth(); } void _jit_reti(jit_state_t *_jit, jit_word_t u) { jit_inc_synth_w(reti, u); jit_movi(JIT_RET, u); jit_ret(); jit_dec_synth(); } void _jit_retr_f(jit_state_t *_jit, jit_int32_t u) { jit_inc_synth_w(retr_f, u); if (JIT_FRET != u) jit_movr_f(JIT_FRET, u); else jit_live(JIT_FRET); jit_ret(); jit_dec_synth(); } void _jit_reti_f(jit_state_t *_jit, jit_float32_t u) { jit_inc_synth_f(reti_f, u); jit_movi_f(JIT_FRET, u); jit_ret(); jit_dec_synth(); } void _jit_retr_d(jit_state_t *_jit, jit_int32_t u) { jit_inc_synth_w(retr_d, u); if (JIT_FRET != u) jit_movr_d(JIT_FRET, u); else jit_live(JIT_FRET); jit_ret(); jit_dec_synth(); } void _jit_reti_d(jit_state_t *_jit, jit_float64_t u) { jit_inc_synth_d(reti_d, u); jit_movi_d(JIT_FRET, u); jit_ret(); jit_dec_synth(); } void _jit_epilog(jit_state_t *_jit) { assert(_jitc->function); assert(_jitc->function->epilog->next == NULL); jit_link(_jitc->function->epilog); _jitc->function = NULL; } jit_bool_t _jit_arg_register_p(jit_state_t *_jit, jit_node_t *u) { if (u->code == jit_code_arg) return (jit_arg_reg_p(u->u.w)); assert(u->code == jit_code_arg_f || u->code == jit_code_arg_d); #if NEW_ABI return (jit_arg_reg_p(u->u.w)); #else return (u->u.w < 8); #endif } static jit_node_t * _jit_make_arg(jit_state_t *_jit, jit_node_t *node) { jit_int32_t offset; #if NEW_ABI if (jit_arg_reg_p(_jitc->function->self.argi)) offset = _jitc->function->self.argi++; else { offset = _jitc->function->self.size; _jitc->function->self.size += STACK_SLOT; } #else offset = (_jitc->function->self.size - stack_framesize) >> STACK_SHIFT; _jitc->function->self.argi = 1; if (offset >= 4) offset = _jitc->function->self.size; _jitc->function->self.size += STACK_SLOT; #endif if (node == (jit_node_t *)0) node = jit_new_node(jit_code_arg); else link_node(node); node->u.w = offset; node->v.w = ++_jitc->function->self.argn; jit_link_prolog(); return (node); } static jit_node_t * _jit_make_arg_f(jit_state_t *_jit, jit_node_t *node) { jit_int32_t offset; #if NEW_ABI if (jit_arg_reg_p(_jitc->function->self.argi)) { offset = _jitc->function->self.argi++; if (_jitc->function->self.call & jit_call_varargs) offset += 8; } else { offset = _jitc->function->self.size; _jitc->function->self.size += STACK_SLOT; } #else offset = (_jitc->function->self.size - stack_framesize) >> STACK_SHIFT; if (offset < NUM_WORD_ARGS) { if (!_jitc->function->self.argi && !(_jitc->function->self.call & jit_call_varargs)) { if (offset == 0) offset = 4; else { offset = 6; _jitc->function->self.argi = 1; } /* Use as flag to rewind in case of varargs function */ ++_jitc->function->self.argf; } } else offset = _jitc->function->self.size; _jitc->function->self.size += STACK_SLOT; #endif if (node == (jit_node_t *)0) node = jit_new_node(jit_code_arg_f); else link_node(node); node->u.w = offset; node->v.w = ++_jitc->function->self.argn; jit_link_prolog(); return (node); } static jit_node_t * _jit_make_arg_d(jit_state_t *_jit, jit_node_t *node) { jit_int32_t offset; #if NEW_ABI if (jit_arg_reg_p(_jitc->function->self.argi)) { offset = _jitc->function->self.argi++; if (_jitc->function->self.call & jit_call_varargs) offset += 8; } else { offset = _jitc->function->self.size; _jitc->function->self.size += STACK_SLOT; } #else if (_jitc->function->self.size & 7) { _jitc->function->self.size += 4; _jitc->function->self.argi = 1; } offset = (_jitc->function->self.size - stack_framesize) >> STACK_SHIFT; if (offset < NUM_WORD_ARGS) { if (!_jitc->function->self.argi && !(_jitc->function->self.call & jit_call_varargs)) { offset += 4; /* Use as flag to rewind in case of varargs function */ ++_jitc->function->self.argf; } } else offset = _jitc->function->self.size; _jitc->function->self.size += sizeof(jit_float64_t); #endif if (node == (jit_node_t *)0) node = jit_new_node(jit_code_arg_d); else link_node(node); node->u.w = offset; node->v.w = ++_jitc->function->self.argn; jit_link_prolog(); return (node); } void _jit_ellipsis(jit_state_t *_jit) { if (_jitc->prepare) { assert(!(_jitc->function->call.call & jit_call_varargs)); _jitc->function->call.call |= jit_call_varargs; #if !NEW_ABI if (_jitc->function->call.argf) rewind_prepare(); #endif } else { assert(!(_jitc->function->self.call & jit_call_varargs)); #if NEW_ABI /* If varargs start in a register, allocate extra 64 bytes. */ if (jit_arg_reg_p(_jitc->function->self.argi)) rewind_prolog(); /* Do not set during possible rewind. */ _jitc->function->self.call |= jit_call_varargs; #else _jitc->function->self.call |= jit_call_varargs; if (_jitc->function->self.argf) rewind_prolog(); #endif _jitc->function->vagp = _jitc->function->self.argi; } jit_inc_synth(ellipsis); if (_jitc->prepare) jit_link_prepare(); else jit_link_prolog(); jit_dec_synth(); } void _jit_va_push(jit_state_t *_jit, jit_int32_t u) { jit_inc_synth_w(va_push, u); jit_pushargr(u); jit_dec_synth(); } jit_node_t * _jit_arg(jit_state_t *_jit) { assert(_jitc->function); return (jit_make_arg((jit_node_t*)0)); } jit_node_t * _jit_arg_f(jit_state_t *_jit) { assert(_jitc->function); return (jit_make_arg_f((jit_node_t*)0)); } jit_node_t * _jit_arg_d(jit_state_t *_jit) { assert(_jitc->function); return (jit_make_arg_d((jit_node_t*)0)); } void _jit_getarg_c(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) { assert(v->code == jit_code_arg); jit_inc_synth_wp(getarg_c, u, v); if (jit_arg_reg_p(v->u.w)) jit_extr_c(u, _A0 - v->u.w); else jit_ldxi_c(u, _FP, v->u.w + C_DISP); jit_dec_synth(); } void _jit_getarg_uc(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) { assert(v->code == jit_code_arg); jit_inc_synth_wp(getarg_uc, u, v); if (jit_arg_reg_p(v->u.w)) jit_extr_uc(u, _A0 - v->u.w); else jit_ldxi_uc(u, _FP, v->u.w + C_DISP); jit_dec_synth(); } void _jit_getarg_s(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) { assert(v->code == jit_code_arg); jit_inc_synth_wp(getarg_s, u, v); if (jit_arg_reg_p(v->u.w)) jit_extr_s(u, _A0 - v->u.w); else jit_ldxi_s(u, _FP, v->u.w + S_DISP); jit_dec_synth(); } void _jit_getarg_us(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) { assert(v->code == jit_code_arg); jit_inc_synth_wp(getarg_us, u, v); if (jit_arg_reg_p(v->u.w)) jit_extr_us(u, _A0 - v->u.w); else jit_ldxi_us(u, _FP, v->u.w + S_DISP); jit_dec_synth(); } void _jit_getarg_i(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) { assert(v->code == jit_code_arg); jit_inc_synth_wp(getarg_i, u, v); if (jit_arg_reg_p(v->u.w)) { #if __WORDSIZE == 64 jit_extr_i(u, _A0 - v->u.w); #else jit_movr(u, _A0 - v->u.w); #endif } else jit_ldxi_i(u, _FP, v->u.w + I_DISP); jit_dec_synth(); } #if __WORDSIZE == 64 void _jit_getarg_ui(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) { assert(v->code == jit_code_arg); jit_inc_synth_wp(getarg_ui, u, v); if (jit_arg_reg_p(v->u.w)) jit_extr_ui(u, _A0 - v->u.w); else jit_ldxi_ui(u, _FP, v->u.w + I_DISP); jit_dec_synth(); } void _jit_getarg_l(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) { assert(v->code == jit_code_arg); jit_inc_synth_wp(getarg_l, u, v); if (jit_arg_reg_p(v->u.w)) jit_movr(u, _A0 - v->u.w); else jit_ldxi_l(u, _FP, v->u.w); jit_dec_synth(); } #endif void _jit_putargr(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) { jit_inc_synth_wp(putargr, u, v); assert(v->code == jit_code_arg); if (jit_arg_reg_p(v->u.w)) jit_movr(_A0 - v->u.w, u); else jit_stxi(v->u.w + WORD_ADJUST, _FP, u); jit_dec_synth(); } void _jit_putargi(jit_state_t *_jit, jit_word_t u, jit_node_t *v) { jit_int32_t regno; assert(v->code == jit_code_arg); jit_inc_synth_wp(putargi, u, v); if (jit_arg_reg_p(v->u.w)) jit_movi(_A0 - v->u.w, u); else { regno = jit_get_reg(jit_class_gpr); jit_movi(regno, u); jit_stxi(v->u.w + WORD_ADJUST, _FP, regno); jit_unget_reg(regno); } jit_dec_synth(); } void _jit_getarg_f(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) { assert(v->code == jit_code_arg_f); jit_inc_synth_wp(getarg_f, u, v); #if NEW_ABI if (jit_arg_reg_p(v->u.w)) jit_movr_f(u, _F12 - v->u.w); else if (jit_arg_reg_p(v->u.w - 8)) jit_movr_w_f(u, _A0 - v->u.w - 8); #else if (v->u.w < 4) jit_movr_w_f(u, _A0 - v->u.w); else if (v->u.w < 8) jit_movr_f(u, _F12 - ((v->u.w - 4) >> 1)); #endif else jit_ldxi_f(u, _FP, v->u.w); jit_dec_synth(); } void _jit_putargr_f(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) { assert(v->code == jit_code_arg_f); jit_inc_synth_wp(putargr_f, u, v); #if NEW_ABI if (jit_arg_reg_p(v->u.w)) jit_movr_f(_F12 - v->u.w, u); else if (jit_arg_reg_p(v->u.w - 8)) jit_movr_f_w(_A0 - v->u.w - 8, u); #else if (v->u.w < 4) jit_movr_f_w(_A0 - v->u.w, u); else if (v->u.w < 8) jit_movr_f(_F12 - ((v->u.w - 4) >> 1), u); #endif else jit_stxi_f(v->u.w, _FP, u); jit_dec_synth(); } void _jit_putargi_f(jit_state_t *_jit, jit_float32_t u, jit_node_t *v) { jit_int32_t regno; assert(v->code == jit_code_arg_f); jit_inc_synth_fp(putargi_f, u, v); #if NEW_ABI if (jit_arg_reg_p(v->u.w)) jit_movi_f(_F12 - v->u.w, u); else if (jit_arg_reg_p(v->u.w - 8)) { regno = jit_get_reg(jit_class_fpr); jit_movi_f(regno, u); jit_movr_f_w(_A0 - v->u.w - 8, u); jit_unget_reg(regno); } #else if (v->u.w < 4) { regno = jit_get_reg(jit_class_fpr); jit_movi_f(regno, u); jit_movr_f_w(_A0 - ((v->u.w - 4) >> 1), regno); jit_unget_reg(regno); } else if (v->u.w < 8) jit_movi_f(_F12 - ((v->u.w - 4) >> 1), u); #endif else { regno = jit_get_reg(jit_class_fpr); jit_movi_f(regno, u); jit_stxi_f(v->u.w, _FP, regno); jit_unget_reg(regno); } jit_dec_synth(); } void _jit_getarg_d(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) { assert(v->code == jit_code_arg_d); jit_inc_synth_wp(getarg_d, u, v); #if NEW_ABI if (jit_arg_reg_p(v->u.w)) jit_movr_d(u, _F12 - v->u.w); else if (jit_arg_reg_p(v->u.w - 8)) jit_movr_d_w(_A0 - v->u.w - 8, u); #else if (v->u.w < 4) jit_movr_ww_d(u, _A0 - v->u.w, _A0 - (v->u.w + 1)); else if (v->u.w < 8) jit_movr_d(u, _F12 - ((v->u.w - 4) >> 1)); #endif else jit_ldxi_d(u, _FP, v->u.w); jit_dec_synth(); } void _jit_putargr_d(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) { assert(v->code == jit_code_arg_d); jit_inc_synth_wp(putargr_d, u, v); #if NEW_ABI if (jit_arg_reg_p(v->u.w)) jit_movr_d(_F12 - v->u.w, u); else if (jit_arg_reg_p(v->u.w - 8)) jit_movr_d_w(_A0 - v->u.w - 8, u); #else if (v->u.w < 4) jit_movr_d_ww(_A0 - v->u.w, _A0 - (v->u.w + 1), u); else if (v->u.w < 8) jit_movr_d(_F12 - ((v->u.w - 4) >> 1), u); #endif else jit_stxi_d(v->u.w, _FP, u); jit_dec_synth(); } void _jit_putargi_d(jit_state_t *_jit, jit_float64_t u, jit_node_t *v) { jit_int32_t regno; assert(v->code == jit_code_arg_d); jit_inc_synth_dp(putargi_d, u, v); #if NEW_ABI if (jit_arg_reg_p(v->u.w)) jit_movi_d(_F12 - v->u.w, u); else if (jit_arg_reg_p(v->u.w - 8)) { regno = jit_get_reg(jit_class_fpr); jit_movi_d(regno, u); jit_movr_d_w(_A0 - v->u.w - 8, u); jit_unget_reg(regno); } #else if (v->u.w < 4) { regno = jit_get_reg(jit_class_fpr); jit_movi_d(regno, u); jit_movr_d_ww(_A0 - v->u.w, _A0 - (v->u.w + 1), regno); jit_unget_reg(regno); } else if (v->u.w < 8) jit_movi_d(_F12 - ((v->u.w - 4) >> 1), u); #endif else { regno = jit_get_reg(jit_class_fpr); jit_movi_d(regno, u); jit_stxi_d(v->u.w, _FP, regno); jit_unget_reg(regno); } jit_dec_synth(); } void _jit_pushargr(jit_state_t *_jit, jit_int32_t u) { jit_inc_synth_w(pushargr, u); jit_link_prepare(); #if NEW_ABI assert(_jitc->function); if (jit_arg_reg_p(_jitc->function->call.argi)) { jit_movr(_A0 - _jitc->function->call.argi, u); ++_jitc->function->call.argi; } else { jit_stxi(_jitc->function->call.size + WORD_ADJUST, JIT_SP, u); _jitc->function->call.size += STACK_SLOT; } #else jit_word_t offset; assert(_jitc->function); offset = _jitc->function->call.size >> STACK_SHIFT; _jitc->function->call.argi = 1; if (jit_arg_reg_p(offset)) jit_movr(_A0 - offset, u); else jit_stxi(_jitc->function->call.size, JIT_SP, u); _jitc->function->call.size += STACK_SLOT; #endif jit_dec_synth(); } void _jit_pushargi(jit_state_t *_jit, jit_word_t u) { jit_int32_t regno; #if !NEW_ABI jit_word_t offset; #endif assert(_jitc->function); jit_inc_synth_w(pushargi, u); jit_link_prepare(); #if NEW_ABI if (jit_arg_reg_p(_jitc->function->call.argi)) { jit_movi(_A0 - _jitc->function->call.argi, u); ++_jitc->function->call.argi; } else { regno = jit_get_reg(jit_class_gpr); jit_movi(regno, u); jit_stxi(_jitc->function->call.size + WORD_ADJUST, JIT_SP, regno); _jitc->function->call.size += STACK_SLOT; jit_unget_reg(regno); } #else offset = _jitc->function->call.size >> STACK_SHIFT; ++_jitc->function->call.argi; if (jit_arg_reg_p(offset)) jit_movi(_A0 - offset, u); else { regno = jit_get_reg(jit_class_gpr); jit_movi(regno, u); jit_stxi(_jitc->function->call.size, JIT_SP, regno); jit_unget_reg(regno); } _jitc->function->call.size += STACK_SLOT; #endif jit_dec_synth(); } void _jit_pushargr_f(jit_state_t *_jit, jit_int32_t u) { #if !NEW_ABI jit_word_t offset; #endif assert(_jitc->function); jit_inc_synth_w(pushargr_f, u); jit_link_prepare(); #if NEW_ABI if (jit_arg_reg_p(_jitc->function->call.argi)) { if (!(_jitc->function->call.call & jit_call_varargs)) jit_movr_f(_F12 - _jitc->function->call.argi, u); else jit_movr_f_w(_A0 - _jitc->function->call.argi, u); ++_jitc->function->call.argi; } else { jit_stxi_f(_jitc->function->call.size, JIT_SP, u); _jitc->function->call.size += STACK_SLOT; } #else offset = _jitc->function->call.size >> STACK_SHIFT; if (offset < 2 && !_jitc->function->call.argi && !(_jitc->function->call.call & jit_call_varargs)) { ++_jitc->function->call.argf; jit_movr_f(_F12 - offset, u); } else if (offset < 4) { ++_jitc->function->call.argi; jit_movr_f_w(_A0 - offset, u); } else jit_stxi_f(_jitc->function->call.size, JIT_SP, u); _jitc->function->call.size += STACK_SLOT; #endif jit_dec_synth(); } void _jit_pushargi_f(jit_state_t *_jit, jit_float32_t u) { jit_int32_t regno; #if !NEW_ABI jit_word_t offset; #endif assert(_jitc->function); jit_inc_synth_f(pushargi_f, u); jit_link_prepare(); #if NEW_ABI if (jit_arg_reg_p(_jitc->function->call.argi)) { if (!(_jitc->function->call.call & jit_call_varargs)) jit_movi_f(_F12 - _jitc->function->call.argi, u); else jit_movi_f_w(_A0 - _jitc->function->call.argi, u); ++_jitc->function->call.argi; } else { regno = jit_get_reg(jit_class_fpr); jit_movi_f(regno, u); jit_stxi_f(_jitc->function->call.size, JIT_SP, regno); _jitc->function->call.size += STACK_SLOT; jit_unget_reg(regno); } #else offset = _jitc->function->call.size >> STACK_SHIFT; if (offset < 2 && !_jitc->function->call.argi && !(_jitc->function->call.call & jit_call_varargs)) { ++_jitc->function->call.argf; jit_movi_f(_F12 - offset, u); } else if (offset < 4) { ++_jitc->function->call.argi; jit_movi_f_w(_A0 - offset, u); } else { regno = jit_get_reg(jit_class_fpr); jit_movi_f(regno, u); jit_stxi_f(_jitc->function->call.size, JIT_SP, regno); jit_unget_reg(regno); } _jitc->function->call.size += STACK_SLOT; #endif jit_dec_synth(); } void _jit_pushargr_d(jit_state_t *_jit, jit_int32_t u) { #if !NEW_ABI jit_bool_t adjust; jit_word_t offset; #endif assert(_jitc->function); jit_inc_synth_w(pushargr_d, u); jit_link_prepare(); #if NEW_ABI if (jit_arg_reg_p(_jitc->function->call.argi)) { if (!(_jitc->function->call.call & jit_call_varargs)) jit_movr_d(_F12 - _jitc->function->call.argi, u); else jit_movr_d_w(_A0 - _jitc->function->call.argi, u); ++_jitc->function->call.argi; } else { jit_stxi_d(_jitc->function->call.size, JIT_SP, u); _jitc->function->call.size += STACK_SLOT; } #else adjust = !!_jitc->function->call.argi; if (_jitc->function->call.size & 7) { _jitc->function->call.size += 4; adjust = 1; } offset = _jitc->function->call.size >> STACK_SHIFT; if (offset < 3) { if (adjust || (_jitc->function->call.call & jit_call_varargs)) { jit_movr_d_ww(_A0 - offset, _A0 - (offset + 1), u); _jitc->function->call.argi += 2; } else { jit_movr_d(_F12 - (offset >> 1), u); ++_jitc->function->call.argf; } } else jit_stxi_d(_jitc->function->call.size, JIT_SP, u); _jitc->function->call.size += sizeof(jit_float64_t); #endif jit_dec_synth(); } void _jit_pushargi_d(jit_state_t *_jit, jit_float64_t u) { jit_int32_t regno; #if !NEW_ABI jit_bool_t adjust; jit_word_t offset; #endif assert(_jitc->function); jit_inc_synth_d(pushargi_d, u); jit_link_prepare(); #if NEW_ABI if (jit_arg_reg_p(_jitc->function->call.argi)) { if (!(_jitc->function->call.call & jit_call_varargs)) jit_movi_d(_F12 - _jitc->function->call.argi, u); else jit_movi_d_w(_A0 - _jitc->function->call.argi, u); ++_jitc->function->call.argi; } else { regno = jit_get_reg(jit_class_fpr); jit_movi_d(regno, u); jit_stxi_d(_jitc->function->call.size, JIT_SP, regno); _jitc->function->call.size += STACK_SLOT; jit_unget_reg(regno); } #else adjust = !!_jitc->function->call.argi; if (_jitc->function->call.size & 7) { _jitc->function->call.size += 4; adjust = 1; } offset = _jitc->function->call.size >> STACK_SHIFT; if (offset < 3) { if (adjust || (_jitc->function->call.call & jit_call_varargs)) { jit_movi_d_ww(_A0 - offset, _A0 - (offset + 1), u); _jitc->function->call.argi += 2; } else { jit_movi_d(_F12 - (offset >> 1), u); ++_jitc->function->call.argf; } } else { regno = jit_get_reg(jit_class_fpr); jit_movi_d(regno, u); jit_stxi_d(_jitc->function->call.size, JIT_SP, regno); jit_unget_reg(regno); } _jitc->function->call.size += sizeof(jit_float64_t); #endif jit_dec_synth(); } jit_bool_t _jit_regarg_p(jit_state_t *_jit, jit_node_t *node, jit_int32_t regno) { jit_int32_t spec; spec = jit_class(_rvs[regno].spec); if (spec & jit_class_arg) { if (spec & jit_class_gpr) { regno = _A0 - regno; if (regno >= 0 && regno < node->v.w) return (1); } else if (spec & jit_class_fpr) { regno = _F12 - regno; if (regno >= 0 && regno < node->w.w) return (1); } } return (0); } void _jit_finishr(jit_state_t *_jit, jit_int32_t r0) { jit_node_t *call; assert(_jitc->function); jit_inc_synth_w(finishr, r0); if (_jitc->function->self.alen < _jitc->function->call.size) _jitc->function->self.alen = _jitc->function->call.size; jit_movr(_T9, r0); call = jit_callr(_T9); call->v.w = _jitc->function->self.argi; #if NEW_ABI call->w.w = call->v.w; #else call->w.w = _jitc->function->self.argf; #endif _jitc->function->call.argi = _jitc->function->call.argf = _jitc->function->call.size = 0; _jitc->prepare = 0; jit_dec_synth(); } jit_node_t * _jit_finishi(jit_state_t *_jit, jit_pointer_t i0) { jit_node_t *call; jit_node_t *node; assert(_jitc->function); jit_inc_synth_w(finishi, (jit_word_t)i0); if (_jitc->function->self.alen < _jitc->function->call.size) _jitc->function->self.alen = _jitc->function->call.size; node = jit_movi(_T9, (jit_word_t)i0); call = jit_callr(_T9); call->v.w = _jitc->function->call.argi; #if NEW_ABI call->w.w = call->v.w; #else call->w.w = _jitc->function->call.argf; #endif _jitc->function->call.argi = _jitc->function->call.argf = _jitc->function->call.size = 0; _jitc->prepare = 0; jit_dec_synth(); return (node); } void _jit_retval_c(jit_state_t *_jit, jit_int32_t r0) { jit_extr_c(r0, JIT_RET); } void _jit_retval_uc(jit_state_t *_jit, jit_int32_t r0) { jit_extr_uc(r0, JIT_RET); } void _jit_retval_s(jit_state_t *_jit, jit_int32_t r0) { jit_extr_s(r0, JIT_RET); } void _jit_retval_us(jit_state_t *_jit, jit_int32_t r0) { jit_extr_us(r0, JIT_RET); } void _jit_retval_i(jit_state_t *_jit, jit_int32_t r0) { #if __WORDSIZE == 32 if (r0 != JIT_RET) jit_movr(r0, JIT_RET); #else jit_extr_i(r0, JIT_RET); #endif } #if __WORDSIZE == 64 void _jit_retval_ui(jit_state_t *_jit, jit_int32_t r0) { jit_extr_ui(r0, JIT_RET); } void _jit_retval_l(jit_state_t *_jit, jit_int32_t r0) { if (r0 != JIT_RET) jit_movr(r0, JIT_RET); } #endif void _jit_retval_f(jit_state_t *_jit, jit_int32_t r0) { if (r0 != JIT_FRET) jit_movr_f(r0, JIT_FRET); } void _jit_retval_d(jit_state_t *_jit, jit_int32_t r0) { if (r0 != JIT_FRET) jit_movr_d(r0, JIT_FRET); } jit_pointer_t _emit_code(jit_state_t *_jit) { jit_node_t *node; jit_node_t *temp; jit_word_t word; jit_int32_t value; jit_int32_t offset; struct { jit_node_t *node; jit_word_t word; jit_int32_t patch_offset; } undo; _jitc->function = NULL; jit_reglive_setup(); undo.word = 0; undo.node = NULL; undo.patch_offset = 0; #define case_rr(name, type) \ case jit_code_##name##r##type: \ name##r##type(rn(node->u.w), rn(node->v.w)); \ break #define case_rw(name, type) \ case jit_code_##name##i##type: \ name##i##type(rn(node->u.w), node->v.w); \ break #define case_wr(name, type) \ case jit_code_##name##i##type: \ name##i##type(node->u.w, rn(node->v.w)); \ break #define case_rrr(name, type) \ case jit_code_##name##r##type: \ name##r##type(rn(node->u.w), \ rn(node->v.w), rn(node->w.w)); \ break #define case_rrw(name, type) \ case jit_code_##name##i##type: \ name##i##type(rn(node->u.w), rn(node->v.w), node->w.w); \ break #define case_rrrr(name, type) \ case jit_code_##name##r##type: \ name##r##type(rn(node->u.q.l), rn(node->u.q.h), \ rn(node->v.w), rn(node->w.w)); \ break #define case_rrrw(name, type) \ case jit_code_##name##i##type: \ name##i##type(rn(node->u.q.l), rn(node->u.q.h), \ rn(node->v.w), node->w.w); \ break #define case_rrf(name, type, size) \ case jit_code_##name##i##type: \ assert(node->flag & jit_flag_data); \ name##i##type(rn(node->u.w), rn(node->v.w), \ (jit_float##size##_t *)node->w.n->u.w); \ break #define case_wrr(name, type) \ case jit_code_##name##i##type: \ name##i##type(node->u.w, rn(node->v.w), rn(node->w.w)); \ break #define case_brr(name, type) \ case jit_code_##name##r##type: \ temp = node->u.n; \ assert(temp->code == jit_code_label || \ temp->code == jit_code_epilog); \ if (temp->flag & jit_flag_patch) \ name##r##type(temp->u.w, rn(node->v.w), \ rn(node->w.w)); \ else { \ word = name##r##type(_jit->pc.w, \ rn(node->v.w), rn(node->w.w)); \ patch(word, node); \ } \ break #define case_brw(name, type) \ case jit_code_##name##i##type: \ temp = node->u.n; \ assert(temp->code == jit_code_label || \ temp->code == jit_code_epilog); \ if (temp->flag & jit_flag_patch) \ name##i##type(temp->u.w, \ rn(node->v.w), node->w.w); \ else { \ word = name##i##type(_jit->pc.w, \ rn(node->v.w), node->w.w); \ patch(word, node); \ } \ break #define case_brf(name, type, size) \ case jit_code_##name##i##type: \ temp = node->u.n; \ assert(temp->code == jit_code_label || \ temp->code == jit_code_epilog); \ if (temp->flag & jit_flag_patch) \ name##i##type(temp->u.w, rn(node->v.w), \ (jit_float##size##_t *)node->w.n->u.w); \ else { \ word = name##i##type(_jit->pc.w, rn(node->v.w), \ (jit_float##size##_t *)node->w.n->u.w); \ patch(word, node); \ } \ break for (node = _jitc->head; node; node = node->next) { if (_jit->pc.uc >= _jitc->code.end) return (NULL); value = jit_classify(node->code); jit_regarg_set(node, value); switch (node->code) { case jit_code_align: assert(!(node->u.w & (node->u.w - 1)) && node->u.w <= sizeof(jit_word_t)); if (node->u.w == sizeof(jit_word_t) && (word = _jit->pc.w & (sizeof(jit_word_t) - 1))) nop(sizeof(jit_word_t) - word); break; case jit_code_note: case jit_code_name: node->u.w = _jit->pc.w; break; case jit_code_label: /* remember label is defined */ node->flag |= jit_flag_patch; node->u.w = _jit->pc.w; break; case_rrr(add,); case_rrw(add,); case_rrr(addc,); case_rrw(addc,); case_rrr(addx,); case_rrw(addx,); case_rrr(sub,); case_rrw(sub,); case_rrr(subc,); case_rrw(subc,); case_rrr(subx,); case_rrw(subx,); case_rrw(rsb,); case_rrr(mul,); case_rrw(mul,); case_rrrr(qmul,); case_rrrw(qmul,); case_rrrr(qmul, _u); case_rrrw(qmul, _u); case_rrr(div,); case_rrw(div,); case_rrr(div, _u); case_rrw(div, _u); case_rrrr(qdiv,); case_rrrw(qdiv,); case_rrrr(qdiv, _u); case_rrrw(qdiv, _u); case_rrr(rem,); case_rrw(rem,); case_rrr(rem, _u); case_rrw(rem, _u); case_rrr(lsh,); case_rrw(lsh,); case_rrr(rsh,); case_rrw(rsh,); case_rrr(rsh, _u); case_rrw(rsh, _u); case_rrr(and,); case_rrw(and,); case_rrr(or,); case_rrw(or,); case_rrr(xor,); case_rrw(xor,); case_rr(trunc, _f_i); case_rr(trunc, _d_i); #if __WORDSIZE == 64 case_rr(trunc, _f_l); case_rr(trunc, _d_l); #endif case_rr(ld, _c); case_rw(ld, _c); case_rr(ld, _uc); case_rw(ld, _uc); case_rr(ld, _s); case_rw(ld, _s); case_rr(ld, _us); case_rw(ld, _us); case_rr(ld, _i); case_rw(ld, _i); #if __WORDSIZE == 64 case_rr(ld, _ui); case_rw(ld, _ui); case_rr(ld, _l); case_rw(ld, _l); #endif case_rrr(ldx, _c); case_rrw(ldx, _c); case_rrr(ldx, _uc); case_rrw(ldx, _uc); case_rrr(ldx, _s); case_rrw(ldx, _s); case_rrr(ldx, _us); case_rrw(ldx, _us); case_rrr(ldx, _i); case_rrw(ldx, _i); #if __WORDSIZE == 64 case_rrr(ldx, _ui); case_rrw(ldx, _ui); case_rrr(ldx, _l); case_rrw(ldx, _l); #endif case_rr(st, _c); case_wr(st, _c); case_rr(st, _s); case_wr(st, _s); case_rr(st, _i); case_wr(st, _i); #if __WORDSIZE == 64 case_rr(st, _l); case_wr(st, _l); #endif case_rrr(stx, _c); case_wrr(stx, _c); case_rrr(stx, _s); case_wrr(stx, _s); case_rrr(stx, _i); case_wrr(stx, _i); #if __WORDSIZE == 64 case_rrr(stx, _l); case_wrr(stx, _l); #endif case_rr(hton, _us); case_rr(hton, _ui); #if __WORDSIZE == 64 case_rr(hton, _ul); #endif case_rr(ext, _c); case_rr(ext, _uc); case_rr(ext, _s); case_rr(ext, _us); #if __WORDSIZE == 64 case_rr(ext, _i); case_rr(ext, _ui); #endif case_rr(mov,); case jit_code_movi: if (node->flag & jit_flag_node) { temp = node->v.n; if (temp->code == jit_code_data || (temp->code == jit_code_label && (temp->flag & jit_flag_patch))) movi(rn(node->u.w), temp->u.w); else { assert(temp->code == jit_code_label || temp->code == jit_code_epilog); word = movi_p(rn(node->u.w), node->v.w); patch(word, node); } } else movi(rn(node->u.w), node->v.w); break; case_rr(neg,); case_rr(com,); case_rrr(lt,); case_rrw(lt,); case_rrr(lt, _u); case_rrw(lt, _u); case_rrr(le,); case_rrw(le,); case_rrr(le, _u); case_rrw(le, _u); case_rrr(eq,); case_rrw(eq,); case_rrr(ge,); case_rrw(ge,); case_rrr(ge, _u); case_rrw(ge, _u); case_rrr(gt,); case_rrw(gt,); case_rrr(gt, _u); case_rrw(gt, _u); case_rrr(ne,); case_rrw(ne,); case_brr(blt,); case_brw(blt,); case_brr(blt, _u); case_brw(blt, _u); case_brr(ble,); case_brw(ble,); case_brr(ble, _u); case_brw(ble, _u); case_brr(beq,); case_brw(beq,); case_brr(bge,); case_brw(bge,); case_brr(bge, _u); case_brw(bge, _u); case_brr(bgt,); case_brw(bgt,); case_brr(bgt, _u); case_brw(bgt, _u); case_brr(bne,); case_brw(bne,); case_brr(boadd,); case_brw(boadd,); case_brr(boadd, _u); case_brw(boadd, _u); case_brr(bxadd,); case_brw(bxadd,); case_brr(bxadd, _u); case_brw(bxadd, _u); case_brr(bosub,); case_brw(bosub,); case_brr(bosub, _u); case_brw(bosub, _u); case_brr(bxsub,); case_brw(bxsub,); case_brr(bxsub, _u); case_brw(bxsub, _u); case_brr(bms,); case_brw(bms,); case_brr(bmc,); case_brw(bmc,); case_rrr(add, _f); case_rrf(add, _f, 32); case_rrr(sub, _f); case_rrf(sub, _f, 32); case_rrf(rsb, _f, 32); case_rrr(mul, _f); case_rrf(mul, _f, 32); case_rrr(div, _f); case_rrf(div, _f, 32); case_rr(abs, _f); case_rr(neg, _f); case_rr(sqrt, _f); case_rr(ext, _f); case_rr(ld, _f); case_rw(ld, _f); case_rrr(ldx, _f); case_rrw(ldx, _f); case_rr(st, _f); case_wr(st, _f); case_rrr(stx, _f); case_wrr(stx, _f); case_rr(mov, _f); case jit_code_movi_f: assert(node->flag & jit_flag_data); movi_f(rn(node->u.w), (jit_float32_t *)node->v.n->u.w); break; case_rr(ext, _d_f); case_rrr(lt, _f); case_rrf(lt, _f, 32); case_rrr(le, _f); case_rrf(le, _f, 32); case_rrr(eq, _f); case_rrf(eq, _f, 32); case_rrr(ge, _f); case_rrf(ge, _f, 32); case_rrr(gt, _f); case_rrf(gt, _f, 32); case_rrr(ne, _f); case_rrf(ne, _f, 32); case_rrr(unlt, _f); case_rrf(unlt, _f, 32); case_rrr(unle, _f); case_rrf(unle, _f, 32); case_rrr(uneq, _f); case_rrf(uneq, _f, 32); case_rrr(unge, _f); case_rrf(unge, _f, 32); case_rrr(ungt, _f); case_rrf(ungt, _f, 32); case_rrr(ltgt, _f); case_rrf(ltgt, _f, 32); case_rrr(ord, _f); case_rrf(ord, _f, 32); case_rrr(unord, _f); case_rrf(unord, _f, 32); case_brr(blt, _f); case_brf(blt, _f, 32); case_brr(ble, _f); case_brf(ble, _f, 32); case_brr(beq, _f); case_brf(beq, _f, 32); case_brr(bge, _f); case_brf(bge, _f, 32); case_brr(bgt, _f); case_brf(bgt, _f, 32); case_brr(bne, _f); case_brf(bne, _f, 32); case_brr(bunlt, _f); case_brf(bunlt, _f, 32); case_brr(bunle, _f); case_brf(bunle, _f, 32); case_brr(buneq, _f); case_brf(buneq, _f, 32); case_brr(bunge, _f); case_brf(bunge, _f, 32); case_brr(bungt, _f); case_brf(bungt, _f, 32); case_brr(bltgt, _f); case_brf(bltgt, _f, 32); case_brr(bord, _f); case_brf(bord, _f, 32); case_brr(bunord, _f); case_brf(bunord, _f, 32); case_rrr(add, _d); case_rrf(add, _d, 64); case_rrr(sub, _d); case_rrf(sub, _d, 64); case_rrf(rsb, _d, 64); case_rrr(mul, _d); case_rrf(mul, _d, 64); case_rrr(div, _d); case_rrf(div, _d, 64); case_rr(abs, _d); case_rr(neg, _d); case_rr(sqrt, _d); case_rr(ext, _d); case_rr(ld, _d); case_rw(ld, _d); case_rrr(ldx, _d); case_rrw(ldx, _d); case_rr(st, _d); case_wr(st, _d); case_rrr(stx, _d); case_wrr(stx, _d); case_rr(mov, _d); case jit_code_movi_d: assert(node->flag & jit_flag_data); movi_d(rn(node->u.w), (jit_float64_t *)node->v.n->u.w); break; case_rr(ext, _f_d); case_rrr(lt, _d); case_rrf(lt, _d, 64); case_rrr(le, _d); case_rrf(le, _d, 64); case_rrr(eq, _d); case_rrf(eq, _d, 64); case_rrr(ge, _d); case_rrf(ge, _d, 64); case_rrr(gt, _d); case_rrf(gt, _d, 64); case_rrr(ne, _d); case_rrf(ne, _d, 64); case_rrr(unlt, _d); case_rrf(unlt, _d, 64); case_rrr(unle, _d); case_rrf(unle, _d, 64); case_rrr(uneq, _d); case_rrf(uneq, _d, 64); case_rrr(unge, _d); case_rrf(unge, _d, 64); case_rrr(ungt, _d); case_rrf(ungt, _d, 64); case_rrr(ltgt, _d); case_rrf(ltgt, _d, 64); case_rrr(ord, _d); case_rrf(ord, _d, 64); case_rrr(unord, _d); case_rrf(unord, _d, 64); case_brr(blt, _d); case_brf(blt, _d, 64); case_brr(ble, _d); case_brf(ble, _d, 64); case_brr(beq, _d); case_brf(beq, _d, 64); case_brr(bge, _d); case_brf(bge, _d, 64); case_brr(bgt, _d); case_brf(bgt, _d, 64); case_brr(bne, _d); case_brf(bne, _d, 64); case_brr(bunlt, _d); case_brf(bunlt, _d, 64); case_brr(bunle, _d); case_brf(bunle, _d, 64); case_brr(buneq, _d); case_brf(buneq, _d, 64); case_brr(bunge, _d); case_brf(bunge, _d, 64); case_brr(bungt, _d); case_brf(bungt, _d, 64); case_brr(bltgt, _d); case_brf(bltgt, _d, 64); case_brr(bord, _d); case_brf(bord, _d, 64); case_brr(bunord, _d); case_brf(bunord, _d, 64); case jit_code_jmpr: jmpr(rn(node->u.w)); break; case jit_code_jmpi: if (node->flag & jit_flag_node) { temp = node->u.n; assert(temp->code == jit_code_label || temp->code == jit_code_epilog); if (temp->flag & jit_flag_patch) jmpi(temp->u.w); else { word = jmpi(_jit->pc.w); patch(word, node); } } else jmpi(node->u.w); break; case jit_code_callr: callr(rn(node->u.w)); break; case jit_code_calli: if (node->flag & jit_flag_node) { temp = node->u.n; assert(temp->code == jit_code_label || temp->code == jit_code_epilog); word = calli_p(temp->u.w); if (!(temp->flag & jit_flag_patch)) patch(word, node); } else calli(node->u.w); break; case jit_code_prolog: _jitc->function = _jitc->functions.ptr + node->w.w; undo.node = node; undo.word = _jit->pc.w; undo.patch_offset = _jitc->patches.offset; restart_function: _jitc->again = 0; prolog(node); break; case jit_code_epilog: assert(_jitc->function == _jitc->functions.ptr + node->w.w); if (_jitc->again) { for (temp = undo.node->next; temp != node; temp = temp->next) { if (temp->code == jit_code_label || temp->code == jit_code_epilog) temp->flag &= ~jit_flag_patch; } temp->flag &= ~jit_flag_patch; node = undo.node; _jit->pc.w = undo.word; _jitc->patches.offset = undo.patch_offset; goto restart_function; } /* remember label is defined */ node->flag |= jit_flag_patch; node->u.w = _jit->pc.w; epilog(node); _jitc->function = NULL; break; #if !NEW_ABI case jit_code_movr_w_f: movr_w_f(rn(node->u.w), rn(node->v.w)); break; #endif case jit_code_movr_f_w: movr_f_w(rn(node->u.w), rn(node->v.w)); break; case jit_code_movi_f_w: assert(node->flag & jit_flag_data); movi_f_w(rn(node->u.w), (jit_float32_t *)node->v.n->u.w); break; #if NEW_ABI case jit_code_movr_d_w: movr_d_w(rn(node->u.w), rn(node->v.w)); break; case jit_code_movi_d_w: assert(node->flag & jit_flag_data); movi_d_w(rn(node->u.w), (jit_float64_t *)node->v.n->u.w); break; #else case jit_code_movr_ww_d: movr_ww_d(rn(node->u.w), rn(node->v.w), rn(node->w.w)); break; case jit_code_movr_d_ww: movr_d_ww(rn(node->u.w), rn(node->v.w), rn(node->w.w)); break; case jit_code_movi_d_ww: assert(node->flag & jit_flag_data); movi_d_ww(rn(node->u.w), rn(node->v.w), (jit_float64_t *)node->w.n->u.w); break; #endif case jit_code_va_start: vastart(rn(node->u.w)); break; case jit_code_va_arg: vaarg(rn(node->u.w), rn(node->v.w)); break; case jit_code_va_arg_d: vaarg_d(rn(node->u.w), rn(node->v.w)); break; case jit_code_live: case jit_code_arg: case jit_code_ellipsis: case jit_code_va_push: case jit_code_allocai: case jit_code_allocar: case jit_code_arg_f: case jit_code_arg_d: case jit_code_va_end: case jit_code_ret: case jit_code_retr: case jit_code_reti: case jit_code_retr_f: case jit_code_reti_f: case jit_code_retr_d: case jit_code_reti_d: case jit_code_getarg_c: case jit_code_getarg_uc: case jit_code_getarg_s: case jit_code_getarg_us: case jit_code_getarg_i: #if __WORDSIZE == 64 case jit_code_getarg_ui: case jit_code_getarg_l: #endif case jit_code_getarg_f: case jit_code_getarg_d: case jit_code_putargr: case jit_code_putargi: case jit_code_putargr_f: case jit_code_putargi_f: case jit_code_putargr_d: case jit_code_putargi_d: case jit_code_pushargr: case jit_code_pushargi: case jit_code_pushargr_f: case jit_code_pushargi_f: case jit_code_pushargr_d: case jit_code_pushargi_d: case jit_code_retval_c: case jit_code_retval_uc: case jit_code_retval_s: case jit_code_retval_us: case jit_code_retval_i: #if __WORDSIZE == 64 case jit_code_retval_ui: case jit_code_retval_l: #endif case jit_code_retval_f: case jit_code_retval_d: case jit_code_prepare: case jit_code_finishr: case jit_code_finishi: break; default: abort(); } if (jit_carry != _NOREG) { switch (node->code) { case jit_code_note: case jit_code_addcr: case jit_code_addci: case jit_code_addxr: case jit_code_addxi: case jit_code_subcr: case jit_code_subci: case jit_code_subxr: case jit_code_subxi: break; default: jit_unget_reg(jit_carry); jit_carry = _NOREG; break; } } jit_regarg_clr(node, value); assert(_jitc->regarg == 0 || (jit_carry != _NOREG && _jitc->regarg == (1 << jit_carry))); assert(_jitc->synth == 0); /* update register live state */ jit_reglive(node); } #undef case_brf #undef case_brw #undef case_brr #undef case_wrr #undef case_rrf #undef case_rrw #undef case_rrr #undef case_wr #undef case_rw #undef case_rr for (offset = 0; offset < _jitc->patches.offset; offset++) { node = _jitc->patches.ptr[offset].node; word = node->code == jit_code_movi ? node->v.n->u.w : node->u.n->u.w; patch_at(_jitc->patches.ptr[offset].inst, word); } jit_flush(_jit->code.ptr, _jit->pc.uc); return (_jit->code.ptr); } #define CODE 1 # include "jit_rewind.c" # include "jit_mips-cpu.c" # include "jit_mips-fpu.c" #undef CODE void jit_flush(void *fptr, void *tptr) { #if defined(__linux__) jit_word_t f, t, s; s = sysconf(_SC_PAGE_SIZE); f = (jit_word_t)fptr & -s; t = (((jit_word_t)tptr) + s - 1) & -s; _flush_cache((void *)f, t - f, ICACHE); #endif } void _emit_ldxi(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0) { ldxi(rn(r0), rn(r1), i0); } void _emit_stxi(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_int32_t r1) { stxi(i0, rn(r0), rn(r1)); } void _emit_ldxi_d(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0) { ldxi_d(rn(r0), rn(r1), i0); } void _emit_stxi_d(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_int32_t r1) { stxi_d(i0, rn(r0), rn(r1)); } static void _patch(jit_state_t *_jit, jit_word_t instr, jit_node_t *node) { jit_int32_t flag; assert(node->flag & jit_flag_node); if (node->code == jit_code_movi) flag = node->v.n->flag; else flag = node->u.n->flag; assert(!(flag & jit_flag_patch)); if (_jitc->patches.offset >= _jitc->patches.length) { jit_realloc((jit_pointer_t *)&_jitc->patches.ptr, _jitc->patches.length * sizeof(jit_patch_t), (_jitc->patches.length + 1024) * sizeof(jit_patch_t)); _jitc->patches.length += 1024; } _jitc->patches.ptr[_jitc->patches.offset].inst = instr; _jitc->patches.ptr[_jitc->patches.offset].node = node; ++_jitc->patches.offset; }