diff options
Diffstat (limited to 'libguile/lightning/lightening/arm.c')
-rw-r--r-- | libguile/lightning/lightening/arm.c | 2274 |
1 files changed, 0 insertions, 2274 deletions
diff --git a/libguile/lightning/lightening/arm.c b/libguile/lightning/lightening/arm.c deleted file mode 100644 index ef4a3e2e7..000000000 --- a/libguile/lightning/lightening/arm.c +++ /dev/null @@ -1,2274 +0,0 @@ -/* - * Copyright (C) 2012-2018 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 <stdio.h> -#endif - -#define jit_arg_reg_p(i) ((i) >= 0 && (i) < 4) -#define jit_arg_f_reg_p(i) ((i) >= 0 && (i) < 16) -#define jit_arg_d_reg_p(i) ((i) >= 0 && (i) < 15) - -#define arm_patch_node 0x80000000 -#define arm_patch_word 0x40000000 -#define arm_patch_jump 0x20000000 -#define arm_patch_load 0x00000000 - -#define jit_fpr_p(rn) ((rn) > 15) - -#define arg_base() \ - (stack_framesize - 16 + (jit_cpu.abi ? 64 : 0)) -#define arg_offset(n) \ - ((n) < 4 ? arg_base() + ((n) << 2) : (n)) - -/* Assume functions called never match jit instruction set, that is - * libc, gmp, mpfr, etc functions are in thumb mode and jit is in - * arm mode, what may cause a crash upon return of that function - * if generating jit for a relative jump. - */ -#define jit_exchange_p() 1 - -/* FIXME is it really required to not touch _R10? */ - -/* - * Types - */ -typedef union _jit_thumb_t { - int32_t i; - int16_t s[2]; -} jit_thumb_t; - -typedef jit_pointer_t jit_va_list; - -/* - * 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 jit_get_reg_pair() _jit_get_reg_pair(_jit) -static int32_t _jit_get_reg_pair(jit_state_t*); -#define jit_unget_reg_pair(rn) _jit_unget_reg_pair(_jit,rn) -static void _jit_unget_reg_pair(jit_state_t*,int32_t); -# define must_align_p(node) _must_align_p(_jit, node) -static jit_bool_t _must_align_p(jit_state_t*,jit_node_t*); -#define load_const(uniq,r0,i0) _load_const(_jit,uniq,r0,i0) -static void _load_const(jit_state_t*,jit_bool_t,int32_t,jit_word_t); -#define flush_consts() _flush_consts(_jit) -static void _flush_consts(jit_state_t*); -#define invalidate_consts() _invalidate_consts(_jit) -static void _invalidate_consts(jit_state_t*); -#define patch(instr, node) _patch(_jit, instr, node) -static void _patch(jit_state_t*,jit_word_t,jit_node_t*); - -#if defined(__GNUC__) -/* libgcc */ -extern void __clear_cache(void *, void *); -#endif - -#define PROTO 1 -# include "rewind.c" -# include "arm-cpu.c" -# include "arm-swf.c" -# include "arm-vfp.c" -#undef PROTO - -/* - * Initialization - */ -jit_cpu_t jit_cpu; -static const jit_register_t _rvs[] = { - { rc(gpr) | 0x0c, "ip" }, - { rc(sav) | rc(gpr) | 0x04, "r4" }, - { rc(sav) | rc(gpr) | 0x05, "r5" }, - { rc(sav) | rc(gpr) | 0x06, "r6" }, - { rc(sav) | rc(gpr) | 0x07, "r7" }, - { rc(sav) | rc(gpr) | 0x08, "r8" }, - { rc(sav) | rc(gpr) | 0x09, "r9" }, - { rc(sav) | 0x0a, "sl" }, - { rc(sav) | 0x0b, "fp" }, - { rc(sav) | 0x0d, "sp" }, - { rc(sav) | 0x0e, "lr" }, - { 0x0f, "pc" }, - { rc(arg) | rc(gpr) | 0x03, "r3" }, - { rc(arg) | rc(gpr) | 0x02, "r2" }, - { rc(arg) | rc(gpr) | 0x01, "r1" }, - { rc(arg) | rc(gpr) | 0x00, "r0" }, - { rc(fpr) | 0x20, "d8" }, - { 0x21, "s17" }, - { rc(fpr) | 0x22, "d9" }, - { 0x23, "s19" }, - { rc(fpr) | 0x24, "d10" }, - { 0x25, "s21" }, - { rc(fpr) | 0x26, "d11" }, - { 0x27, "s23" }, - { rc(fpr) | 0x28, "d12" }, - { 0x29, "s25" }, - { rc(fpr) | 0x2a, "d13" }, - { 0x2b, "s27" }, - { rc(fpr) | 0x2c, "d14" }, - { 0x2d, "s29" }, - { rc(fpr) | 0x2e, "d15" }, - { 0x2f, "s31" }, - { rc(arg) | 0x1f, "s15" }, - { rc(arg)|rc(sft)|rc(fpr)|0x1e, "d7" }, - { rc(arg) | 0x1d, "s13" }, - { rc(arg)|rc(sft)|rc(fpr)|0x1c, "d6" }, - { rc(arg) | 0x1b, "s11" }, - { rc(arg)|rc(sft)|rc(fpr)|0x1a, "d5" }, - { rc(arg) | 0x19, "s9" }, - { rc(arg)|rc(sft)|rc(fpr)|0x18, "d4" }, - { rc(arg) | 0x17, "s7" }, - { rc(arg)|rc(sft)|rc(fpr)|0x16, "d3" }, - { rc(arg) | 0x15, "s5" }, - { rc(arg)|rc(sft)|rc(fpr)|0x14, "d2" }, - { rc(arg) | 0x13, "s3" }, - { rc(arg)|rc(sft)|rc(fpr)|0x12, "d1" }, - { rc(arg) | 0x11, "s1" }, - { rc(arg)|rc(sft)|rc(fpr)|0x10, "d0" }, - { _NOREG, "<none>" }, -}; - -/* - * Implementation - */ -void -jit_get_cpu(void) -{ -#if defined(__linux__) - FILE *fp; - char *ptr; - char buf[128]; - - if ((fp = fopen("/proc/cpuinfo", "r")) != NULL) { - while (fgets(buf, sizeof(buf), fp)) { - if (strncmp(buf, "CPU architecture:", 17) == 0) { - jit_cpu.version = strtol(buf + 17, &ptr, 10); - while (*ptr) { - if (*ptr == 'T' || *ptr == 't') { - ++ptr; - jit_cpu.thumb = 1; - } - else if (*ptr == 'E' || *ptr == 'e') { - jit_cpu.extend = 1; - ++ptr; - } - else - ++ptr; - } - } - else if (strncmp(buf, "Features\t:", 10) == 0) { - if ((ptr = strstr(buf + 10, "vfpv"))) - jit_cpu.vfp = strtol(ptr + 4, NULL, 0); - if ((ptr = strstr(buf + 10, "neon"))) - jit_cpu.neon = 1; - if ((ptr = strstr(buf + 10, "thumb"))) - jit_cpu.thumb = 1; - } - } - fclose(fp); - } -#endif -#if defined(__ARM_PCS_VFP) - if (!jit_cpu.vfp) - jit_cpu.vfp = 3; - if (!jit_cpu.version) - jit_cpu.version = 7; - jit_cpu.abi = 1; -#endif -#if defined(__thumb2__) - jit_cpu.thumb = 1; -#endif - /* armv6t2 todo (software float and thumb2) */ - if (!jit_cpu.vfp && jit_cpu.thumb) - jit_cpu.thumb = 0; -} - -void -_jit_init(jit_state_t *_jit) -{ - int32_t regno; - static jit_bool_t first = 1; - - _jitc->reglen = jit_size(_rvs) - 1; - if (first) { - /* jit_get_cpu() should have been already called, and only once */ - if (!jit_cpu.vfp) { - /* cause register to never be allocated, because simple - * software float only allocates stack space for 8 slots */ - for (regno = _D8; regno < _D7; regno++) - _rvs[regno].spec = 0; - } - if (!jit_cpu.abi) { - for (regno = _S15; regno <= _D0; regno++) - _rvs[regno].spec &= ~rc(arg); - } - first = 0; - } -} - -void -_jit_prolog(jit_state_t *_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; - if (jit_cpu.abi) - _jitc->function->self.size += 64; - _jitc->function->self.argi = _jitc->function->self.argf = - _jitc->function->self.alen = 0; - if (jit_swf_p()) - /* 8 soft float registers */ - _jitc->function->self.aoff = -64; - else - _jitc->function->self.aoff = 0; - _jitc->function->self.call = jit_call_default; - jit_alloc((jit_pointer_t *)&_jitc->function->regoff, - _jitc->reglen * sizeof(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); -} - -int32_t -_jit_allocai(jit_state_t *_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, int32_t u, int32_t v) -{ - int32_t reg; - assert(_jitc->function); - jit_inc_synth_ww(allocar, u, v); - if (!_jitc->function->allocar) { - _jitc->function->aoffoff = jit_allocai(sizeof(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, 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, int32_t u) -{ - jit_inc_synth_w(retr_f, u); - if (jit_cpu.abi) { - if (u != JIT_FRET) - jit_movr_f(JIT_FRET, u); - else - jit_live(JIT_FRET); - } - else { - if (u != JIT_RET) - jit_movr_f_w(JIT_RET, u); - else - jit_live(JIT_RET); - } - jit_ret(); - jit_dec_synth(); -} - -void -_jit_reti_f(jit_state_t *_jit, jit_float32_t u) -{ - jit_inc_synth_f(reti_f, u); - if (jit_cpu.abi) - jit_movi_f(JIT_FRET, u); - else - jit_movi_f_w(JIT_RET, u); - jit_ret(); - jit_dec_synth(); -} - -void -_jit_retr_d(jit_state_t *_jit, int32_t u) -{ - jit_inc_synth_w(retr_d, u); - if (jit_cpu.abi) { - if (u != JIT_FRET) - jit_movr_d(JIT_FRET, u); - else - jit_live(JIT_FRET); - } - else { - if (u != JIT_RET) - jit_movr_d_ww(JIT_RET, _R1, u); - else - jit_live(JIT_RET); - } - jit_ret(); - jit_dec_synth(); -} - -void -_jit_reti_d(jit_state_t *_jit, jit_float64_t u) -{ - jit_inc_synth_d(reti_d, u); - if (jit_cpu.abi) - jit_movi_d(JIT_FRET, u); - else - jit_movi_d_ww(JIT_RET, _R1, 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) { - if (u->code == jit_code_arg_f) { - if (jit_cpu.abi) - return (jit_arg_f_reg_p(u->u.w)); - } - else { - assert(u->code == jit_code_arg_d); - if (jit_cpu.abi) - return (jit_arg_d_reg_p(u->u.w)); - } - } - return (jit_arg_reg_p(u->u.w)); -} - -static jit_node_t * -_jit_make_arg(jit_state_t *_jit, jit_node_t *node) -{ - int32_t offset; - if (jit_arg_reg_p(_jitc->function->self.argi)) - offset = _jitc->function->self.argi++; - else { - offset = _jitc->function->self.size; - _jitc->function->self.size += sizeof(jit_word_t); - } - 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); -} - -jit_node_t * -_jit_make_arg_f(jit_state_t *_jit, jit_node_t *node) -{ - int32_t offset; - if (jit_cpu.abi && !(_jitc->function->self.call & jit_call_varargs)) { - if (jit_arg_f_reg_p(_jitc->function->self.argf)) { - offset = _jitc->function->self.argf++; - goto done; - } - } - else { - if (jit_arg_reg_p(_jitc->function->self.argi)) { - offset = _jitc->function->self.argi++; - goto done; - } - } - offset = _jitc->function->self.size; - _jitc->function->self.size += sizeof(jit_float32_t); -done: - 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); -} - -jit_node_t * -_jit_make_arg_d(jit_state_t *_jit, jit_node_t *node) -{ - int32_t offset; - if (jit_cpu.abi && !(_jitc->function->self.call & jit_call_varargs)) { - if (jit_arg_d_reg_p(_jitc->function->self.argf)) { - if (_jitc->function->self.argf & 1) - ++_jitc->function->self.argf; - offset = _jitc->function->self.argf; - _jitc->function->self.argf += 2; - goto done; - } - } - else { - if (_jitc->function->self.argi & 1) - ++_jitc->function->self.argi; - if (jit_arg_reg_p(_jitc->function->self.argi)) { - offset = _jitc->function->self.argi; - _jitc->function->self.argi += 2; - goto done; - } - } - if (_jitc->function->self.size & 7) - _jitc->function->self.size += 4; - offset = _jitc->function->self.size; - _jitc->function->self.size += sizeof(jit_float64_t); -done: - 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 (jit_cpu.abi && _jitc->function->call.argf) - rewind_prepare(); - } - else { - assert(!(_jitc->function->self.call & jit_call_varargs)); - _jitc->function->self.call |= jit_call_varargs; - if (jit_cpu.abi && _jitc->function->self.argf) - rewind_prolog(); - /* First 4 stack addresses are always spilled r0-r3 */ - if (jit_arg_reg_p(_jitc->function->self.argi)) - _jitc->function->vagp = _jitc->function->self.argi * 4; - else - _jitc->function->vagp = 16; - } - 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, 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, int32_t u, jit_node_t *v) -{ - assert(v->code == jit_code_arg); - jit_inc_synth_wp(getarg_c, u, v); - if (jit_swf_p()) - jit_ldxi_c(u, JIT_FP, arg_offset(v->u.w)); - else if (jit_arg_reg_p(v->u.w)) - jit_extr_c(u, JIT_RA0 - v->u.w); - else - jit_ldxi_c(u, JIT_FP, v->u.w); - jit_dec_synth(); -} - -void -_jit_getarg_uc(jit_state_t *_jit, int32_t u, jit_node_t *v) -{ - assert(v->code == jit_code_arg); - jit_inc_synth_wp(getarg_uc, u, v); - if (jit_swf_p()) - jit_ldxi_uc(u, JIT_FP, arg_offset(v->u.w)); - else if (jit_arg_reg_p(v->u.w)) - jit_extr_uc(u, JIT_RA0 - v->u.w); - else - jit_ldxi_uc(u, JIT_FP, v->u.w); - jit_dec_synth(); -} - -void -_jit_getarg_s(jit_state_t *_jit, int32_t u, jit_node_t *v) -{ - assert(v->code == jit_code_arg); - jit_inc_synth_wp(getarg_s, u, v); - if (jit_swf_p()) - jit_ldxi_s(u, JIT_FP, arg_offset(v->u.w)); - else if (jit_arg_reg_p(v->u.w)) - jit_extr_s(u, JIT_RA0 - v->u.w); - else - jit_ldxi_s(u, JIT_FP, v->u.w); - jit_dec_synth(); -} - -void -_jit_getarg_us(jit_state_t *_jit, int32_t u, jit_node_t *v) -{ - assert(v->code == jit_code_arg); - jit_inc_synth_wp(getarg_us, u, v); - if (jit_swf_p()) - jit_ldxi_us(u, JIT_FP, arg_offset(v->u.w)); - else if (jit_arg_reg_p(v->u.w)) - jit_extr_us(u, JIT_RA0 - v->u.w); - else - jit_ldxi_us(u, JIT_FP, v->u.w); - jit_dec_synth(); -} - -void -_jit_getarg_i(jit_state_t *_jit, int32_t u, jit_node_t *v) -{ - assert(v->code == jit_code_arg); - jit_inc_synth_wp(getarg_i, u, v); - if (jit_swf_p()) - jit_ldxi_i(u, JIT_FP, arg_offset(v->u.w)); - else if (jit_arg_reg_p(v->u.w)) - jit_movr(u, JIT_RA0 - v->u.w); - else - jit_ldxi_i(u, JIT_FP, v->u.w); - jit_dec_synth(); -} - -void -_jit_putargr(jit_state_t *_jit, int32_t u, jit_node_t *v) -{ - assert(v->code == jit_code_arg); - jit_inc_synth_wp(putargr, u, v); - if (jit_swf_p()) - jit_stxi(arg_offset(v->u.w), JIT_FP, u); - else if (jit_arg_reg_p(v->u.w)) - jit_movr(JIT_RA0 - v->u.w, u); - else - jit_stxi(v->u.w, JIT_FP, u); - jit_dec_synth(); -} - -void -_jit_putargi(jit_state_t *_jit, jit_word_t u, jit_node_t *v) -{ - int32_t regno; - assert(v->code == jit_code_arg); - jit_inc_synth_wp(putargi, u, v); - if (jit_swf_p()) { - regno = jit_get_reg(jit_class_gpr); - jit_movi(regno, u); - jit_stxi(arg_offset(v->u.w), JIT_FP, regno); - jit_unget_reg(regno); - } - else if (jit_arg_reg_p(v->u.w)) - jit_movi(JIT_RA0 - v->u.w, u); - else { - regno = jit_get_reg(jit_class_gpr); - jit_movi(regno, u); - jit_stxi(v->u.w, JIT_FP, regno); - jit_unget_reg(regno); - } - jit_dec_synth(); -} - -void -_jit_getarg_f(jit_state_t *_jit, int32_t u, jit_node_t *v) -{ - assert(v->code == jit_code_arg_f); - jit_inc_synth_wp(getarg_f, u, v); - if (jit_cpu.abi && !(_jitc->function->self.call & jit_call_varargs)) { - if (jit_arg_f_reg_p(v->u.w)) - jit_movr_f(u, JIT_FA0 - v->u.w); - else - jit_ldxi_f(u, JIT_FP, v->u.w); - } - else if (jit_swf_p()) - jit_ldxi_f(u, JIT_FP, arg_offset(v->u.w)); - else { - if (jit_arg_reg_p(v->u.w)) - jit_movr_w_f(u, JIT_RA0 - v->u.w); - else - jit_ldxi_f(u, JIT_FP, v->u.w); - } - jit_dec_synth(); -} - -void -_jit_putargr_f(jit_state_t *_jit, int32_t u, jit_node_t *v) -{ - assert(v->code == jit_code_arg_f); - jit_inc_synth_wp(putargr_f, u, v); - if (jit_cpu.abi) { - if (jit_arg_f_reg_p(v->u.w)) - jit_movr_f(JIT_FA0 - v->u.w, u); - else - jit_stxi_f(v->u.w, JIT_FP, u); - } - else if (jit_swf_p()) - jit_stxi_f(arg_offset(v->u.w), JIT_FP, u); - else { - if (jit_arg_reg_p(v->u.w)) - jit_movr_f_w(JIT_RA0 - v->u.w, u); - else - jit_stxi_f(v->u.w, JIT_FP, u); - } - jit_dec_synth(); -} - -void -_jit_putargi_f(jit_state_t *_jit, jit_float32_t u, jit_node_t *v) -{ - int32_t regno; - assert(v->code == jit_code_arg_f); - jit_inc_synth_fp(putargi_f, u, v); - if (jit_cpu.abi) { - if (jit_arg_f_reg_p(v->u.w)) - jit_movi_f(JIT_FA0 - v->u.w, u); - else { - regno = jit_get_reg(jit_class_fpr); - jit_movi_f(regno, u); - jit_stxi_f(v->u.w, JIT_FP, regno); - jit_unget_reg(regno); - } - } - else if (jit_swf_p()) { - regno = jit_get_reg(jit_class_fpr); - jit_movi_f(regno, u); - jit_stxi_f(arg_offset(v->u.w), JIT_FP, regno); - jit_unget_reg(regno); - } - else { - regno = jit_get_reg(jit_class_fpr); - jit_movi_f(regno, u); - if (jit_arg_reg_p(v->u.w)) - jit_movr_f_w(JIT_RA0 - v->u.w, regno); - else - jit_stxi_f(v->u.w, JIT_FP, regno); - jit_unget_reg(regno); - } - jit_dec_synth(); -} - -void -_jit_getarg_d(jit_state_t *_jit, int32_t u, jit_node_t *v) -{ - assert(v->code == jit_code_arg_d); - jit_inc_synth_wp(getarg_d, u, v); - if (jit_cpu.abi && !(_jitc->function->self.call & jit_call_varargs)) { - if (jit_arg_f_reg_p(v->u.w)) - jit_movr_d(u, JIT_FA0 - v->u.w); - else - jit_ldxi_d(u, JIT_FP, v->u.w); - } - else if (jit_swf_p()) - jit_ldxi_d(u, JIT_FP, arg_offset(v->u.w)); - else { - if (jit_arg_reg_p(v->u.w)) - jit_movr_ww_d(u, JIT_RA0 - v->u.w, JIT_RA0 - (v->u.w + 1)); - else - jit_ldxi_d(u, JIT_FP, v->u.w); - } - jit_dec_synth(); -} - -void -_jit_putargr_d(jit_state_t *_jit, int32_t u, jit_node_t *v) -{ - assert(v->code == jit_code_arg_d); - jit_inc_synth_wp(putargr_d, u, v); - if (jit_cpu.abi) { - if (jit_arg_f_reg_p(v->u.w)) - jit_movr_d(JIT_FA0 - v->u.w, u); - else - jit_stxi_d(v->u.w, JIT_FP, u); - } - else if (jit_swf_p()) - jit_stxi_d(arg_offset(v->u.w), JIT_FP, u); - else { - if (jit_arg_reg_p(v->u.w)) - jit_movr_d_ww(JIT_RA0 - v->u.w, JIT_RA0 - (v->u.w + 1), u); - else - jit_stxi_d(v->u.w, JIT_FP, u); - } - jit_dec_synth(); -} - -void -_jit_putargi_d(jit_state_t *_jit, jit_float64_t u, jit_node_t *v) -{ - int32_t regno; - assert(v->code == jit_code_arg_d); - jit_inc_synth_dp(putargi_d, u, v); - if (jit_cpu.abi) { - if (jit_arg_f_reg_p(v->u.w)) - jit_movi_d(JIT_FA0 - v->u.w, u); - else { - regno = jit_get_reg(jit_class_fpr); - jit_movi_d(regno, u); - jit_stxi_d(v->u.w, JIT_FP, regno); - jit_unget_reg(regno); - } - } - else if (jit_swf_p()) { - regno = jit_get_reg(jit_class_fpr); - jit_movi_d(regno, u); - jit_stxi_d(arg_offset(v->u.w), JIT_FP, regno); - jit_unget_reg(regno); - } - else { - regno = jit_get_reg(jit_class_fpr); - jit_movi_d(regno, u); - if (jit_arg_reg_p(v->u.w)) - jit_movr_d_ww(JIT_RA0 - v->u.w, JIT_RA0 - (v->u.w + 1), regno); - else - jit_stxi_d(v->u.w, JIT_FP, regno); - jit_unget_reg(regno); - } - jit_dec_synth(); -} - -void -_jit_pushargr(jit_state_t *_jit, int32_t u) -{ - assert(_jitc->function); - jit_inc_synth_w(pushargr, u); - jit_link_prepare(); - if (jit_arg_reg_p(_jitc->function->call.argi)) { - jit_movr(JIT_RA0 - _jitc->function->call.argi, u); - ++_jitc->function->call.argi; - } - else { - jit_stxi(_jitc->function->call.size, JIT_SP, u); - _jitc->function->call.size += sizeof(jit_word_t); - } - jit_dec_synth(); -} - -void -_jit_pushargi(jit_state_t *_jit, jit_word_t u) -{ - int32_t regno; - assert(_jitc->function); - jit_inc_synth_w(pushargi, u); - jit_link_prepare(); - if (jit_arg_reg_p(_jitc->function->call.argi)) { - jit_movi(JIT_RA0 - _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, JIT_SP, regno); - jit_unget_reg(regno); - _jitc->function->call.size += sizeof(jit_word_t); - } - jit_dec_synth(); -} - -void -_jit_pushargr_f(jit_state_t *_jit, int32_t u) -{ - assert(_jitc->function); - jit_inc_synth_w(pushargr_f, u); - jit_link_prepare(); - if (jit_cpu.abi && !(_jitc->function->call.call & jit_call_varargs)) { - if (jit_arg_f_reg_p(_jitc->function->call.argf)) { - jit_movr_f(JIT_FA0 - _jitc->function->call.argf, u); - ++_jitc->function->call.argf; - goto done; - } - } - else { - if (jit_arg_reg_p(_jitc->function->call.argi)) { - jit_movr_f_w(JIT_RA0 - _jitc->function->call.argi, u); - ++_jitc->function->call.argi; - goto done; - } - } - jit_stxi_f(_jitc->function->call.size, JIT_SP, u); - _jitc->function->call.size += sizeof(jit_word_t); -done: - jit_dec_synth(); -} - -void -_jit_pushargi_f(jit_state_t *_jit, jit_float32_t u) -{ - int32_t regno; - assert(_jitc->function); - jit_inc_synth_f(pushargi_f, u); - jit_link_prepare(); - if (jit_cpu.abi && !(_jitc->function->call.call & jit_call_varargs)) { - if (jit_arg_f_reg_p(_jitc->function->call.argf)) { - /* cannot jit_movi_f in the argument register because - * float arguments are packed, and that would cause - * either an assertion in debug mode, or overwritting - * two registers */ - regno = jit_get_reg(jit_class_fpr); - jit_movi_f(regno, u); - jit_movr_f(JIT_FA0 - _jitc->function->call.argf, regno); - jit_unget_reg(regno); - ++_jitc->function->call.argf; - goto done; - } - } - else { - if (jit_arg_reg_p(_jitc->function->call.argi)) { - jit_movi_f_w(JIT_RA0 - _jitc->function->call.argi, u); - ++_jitc->function->call.argi; - goto done; - } - } - 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 += sizeof(jit_word_t); -done: - jit_dec_synth(); -} - -void -_jit_pushargr_d(jit_state_t *_jit, int32_t u) -{ - assert(_jitc->function); - jit_inc_synth_w(pushargr_d, u); - jit_link_prepare(); - if (jit_cpu.abi && !(_jitc->function->call.call & jit_call_varargs)) { - if (jit_arg_d_reg_p(_jitc->function->call.argf)) { - if (_jitc->function->call.argf & 1) - ++_jitc->function->call.argf; - jit_movr_d(JIT_FA0 - _jitc->function->call.argf, u); - _jitc->function->call.argf += 2; - goto done; - } - } - else { - if (_jitc->function->call.argi & 1) - ++_jitc->function->call.argi; - if (jit_arg_reg_p(_jitc->function->call.argi)) { - jit_movr_d_ww(JIT_RA0 - _jitc->function->call.argi, - JIT_RA0 - (_jitc->function->call.argi + 1), - u); - _jitc->function->call.argi += 2; - goto done; - } - } - if (_jitc->function->call.size & 7) - _jitc->function->call.size += 4; - jit_stxi_d(_jitc->function->call.size, JIT_SP, u); - _jitc->function->call.size += sizeof(jit_float64_t); -done: - jit_dec_synth(); -} - -void -_jit_pushargi_d(jit_state_t *_jit, jit_float64_t u) -{ - int32_t regno; - assert(_jitc->function); - jit_inc_synth_d(pushargi_d, u); - jit_link_prepare(); - if (jit_cpu.abi && !(_jitc->function->call.call & jit_call_varargs)) { - if (jit_arg_d_reg_p(_jitc->function->call.argf)) { - if (_jitc->function->call.argf & 1) - ++_jitc->function->call.argf; - jit_movi_d(JIT_FA0 - _jitc->function->call.argf, u); - _jitc->function->call.argf += 2; - goto done; - } - } - else { - if (_jitc->function->call.argi & 1) - ++_jitc->function->call.argi; - if (jit_arg_reg_p(_jitc->function->call.argi)) { - jit_movi_d_ww(JIT_RA0 - _jitc->function->call.argi, - JIT_RA0 - (_jitc->function->call.argi + 1), - u); - _jitc->function->call.argi += 2; - goto done; - } - } - if (_jitc->function->call.size & 7) - _jitc->function->call.size += 4; - 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); -done: - jit_dec_synth(); -} - -jit_bool_t -_jit_regarg_p(jit_state_t *_jit, jit_node_t *node, int32_t regno) -{ - int32_t spec; - spec = jit_class(_rvs[regno].spec); - if (spec & jit_class_arg) { - regno = JIT_RA0 - regno; - if (regno >= 0 && regno < node->v.w) - return (1); - if (jit_cpu.abi && spec & jit_class_fpr) { - regno = JIT_FA0 - regno; - if (regno >= 0 && regno < node->w.w) - return (1); - } - } - - return (0); -} - -void -_jit_finishr(jit_state_t *_jit, int32_t r0) -{ - jit_node_t *node; - 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; - node = jit_callr(r0); - node->v.w = _jitc->function->self.argi; - node->w.w = _jitc->function->call.argf; - _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 *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_calli(i0); - node->v.w = _jitc->function->call.argi; - node->w.w = _jitc->function->call.argf; - _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, int32_t r0) -{ - jit_inc_synth_w(retval_c, r0); - jit_extr_c(r0, JIT_RET); - jit_dec_synth(); -} - -void -_jit_retval_uc(jit_state_t *_jit, int32_t r0) -{ - jit_inc_synth_w(retval_uc, r0); - jit_extr_uc(r0, JIT_RET); - jit_dec_synth(); -} - -void -_jit_retval_s(jit_state_t *_jit, int32_t r0) -{ - jit_inc_synth_w(retval_s, r0); - jit_extr_s(r0, JIT_RET); - jit_dec_synth(); -} - -void -_jit_retval_us(jit_state_t *_jit, int32_t r0) -{ - jit_inc_synth_w(retval_us, r0); - jit_extr_us(r0, JIT_RET); - jit_dec_synth(); -} - -void -_jit_retval_i(jit_state_t *_jit, int32_t r0) -{ - jit_inc_synth_w(retval_i, r0); - if (r0 != JIT_RET) - jit_movr(r0, JIT_RET); - jit_dec_synth(); -} - -void -_jit_retval_f(jit_state_t *_jit, int32_t r0) -{ - jit_inc_synth_w(retval_f, r0); - if (jit_cpu.abi) { - if (r0 != JIT_FRET) - jit_movr_f(r0, JIT_FRET); - } - else if (r0 != JIT_RET) - jit_movr_w_f(r0, JIT_RET); - jit_dec_synth(); -} - -void -_jit_retval_d(jit_state_t *_jit, int32_t r0) -{ - jit_inc_synth_w(retval_d, r0); - if (jit_cpu.abi) { - if (r0 != JIT_FRET) - jit_movr_d(r0, JIT_FRET); - } - else if (r0 != JIT_RET) - jit_movr_ww_d(r0, JIT_RET, _R1); - jit_dec_synth(); -} - -jit_pointer_t -_emit_code(jit_state_t *_jit) -{ - jit_node_t *node; - jit_node_t *temp; - jit_word_t word; - int32_t value; - int32_t offset; - struct { - jit_node_t *node; - uint8_t *data; - jit_word_t word; -#if DEVEL_DISASSEMBLER - jit_word_t prevw; -#endif - jit_uword_t thumb; -#if DISASSEMBLER - int32_t info_offset; -#endif - int32_t const_offset; - int32_t patch_offset; - } undo; -#if DEVEL_DISASSEMBLER - jit_word_t prevw; -#endif - - _jitc->function = NULL; - _jitc->thumb = 0; - - jit_reglive_setup(); - - _jitc->consts.data = NULL; - _jitc->consts.offset = _jitc->consts.length = 0; - - undo.word = 0; - undo.node = NULL; - undo.data = NULL; - undo.thumb = 0; -#if DISASSEMBLER - undo.info_offset = -#endif - undo.const_offset = undo.patch_offset = 0; -# define assert_data(node) /**/ -#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_vv(name, type) \ - case jit_code_##name##r##type: \ - if (jit_swf_p()) \ - swf_##name##r##type(rn(node->u.w), rn(node->v.w)); \ - else \ - vfp_##name##r##type(rn(node->u.w), rn(node->v.w)); \ - break -#define case_vw(name, type) \ - case jit_code_##name##i##type: \ - if (jit_swf_p()) \ - swf_##name##i##type(rn(node->u.w), node->v.w); \ - else \ - vfp_##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_wv(name, type) \ - case jit_code_##name##i##type: \ - if (jit_swf_p()) \ - swf_##name##i##type(node->u.w, rn(node->v.w)); \ - else \ - vfp_##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_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_vvv(name, type) \ - case jit_code_##name##r##type: \ - if (jit_swf_p()) \ - swf_##name##r##type(rn(node->u.w), \ - rn(node->v.w), rn(node->w.w)); \ - else \ - vfp_##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_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_vvw(name, type) \ - case jit_code_##name##i##type: \ - if (jit_swf_p()) \ - swf_##name##i##type(rn(node->u.w), \ - rn(node->v.w), node->w.w); \ - else \ - vfp_##name##i##type(rn(node->u.w), \ - rn(node->v.w), node->w.w); \ - break -#define case_vvf(name) \ - case jit_code_##name##i_f: \ - assert_data(node); \ - if (jit_swf_p()) \ - swf_##name##i_f(rn(node->u.w), rn(node->v.w), \ - node->w.f); \ - else \ - vfp_##name##i_f(rn(node->u.w), rn(node->v.w), \ - node->w.f); \ - break -#define case_vvd(name) \ - case jit_code_##name##i_d: \ - assert_data(node); \ - if (jit_swf_p()) \ - swf_##name##i_d(rn(node->u.w), rn(node->v.w), \ - node->w.d); \ - else \ - vfp_##name##i_d(rn(node->u.w), rn(node->v.w), \ - node->w.d); \ - 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_wvv(name, type) \ - case jit_code_##name##i##type: \ - if (jit_swf_p()) \ - swf_##name##i##type(node->u.w, \ - rn(node->v.w), rn(node->w.w)); \ - else \ - vfp_##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_bvv(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) { \ - if (jit_swf_p()) \ - swf_##name##r##type(temp->u.w, rn(node->v.w), \ - rn(node->w.w)); \ - else \ - vfp_##name##r##type(temp->u.w, rn(node->v.w), \ - rn(node->w.w)); \ - } \ - else { \ - if (jit_swf_p()) \ - word = swf_##name##r##type(_jit->pc.w, \ - rn(node->v.w), \ - rn(node->w.w)); \ - else \ - word = vfp_##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_bvf(name) \ - case jit_code_##name##i_f: \ - temp = node->u.n; \ - assert(temp->code == jit_code_label || \ - temp->code == jit_code_epilog); \ - if (temp->flag & jit_flag_patch) { \ - if (jit_swf_p()) \ - swf_##name##i_f(temp->u.w, rn(node->v.w), \ - node->w.f); \ - else \ - vfp_##name##i_f(temp->u.w, rn(node->v.w), \ - node->w.f); \ - } \ - else { \ - if (jit_swf_p()) \ - word = swf_##name##i_f(_jit->pc.w, \ - rn(node->v.w), \ - node->w.f); \ - else \ - word = vfp_##name##i_f(_jit->pc.w, \ - rn(node->v.w), \ - node->w.f); \ - patch(word, node); \ - } \ - break -#define case_bvd(name) \ - case jit_code_##name##i_d: \ - temp = node->u.n; \ - assert(temp->code == jit_code_label || \ - temp->code == jit_code_epilog); \ - if (temp->flag & jit_flag_patch) { \ - if (jit_swf_p()) \ - swf_##name##i_d(temp->u.w, rn(node->v.w), \ - node->w.d); \ - else \ - vfp_##name##i_d(temp->u.w, rn(node->v.w), \ - node->w.d); \ - } \ - else { \ - if (jit_swf_p()) \ - word = swf_##name##i_d(_jit->pc.w, \ - rn(node->v.w), \ - node->w.d); \ - else \ - word = vfp_##name##i_d(_jit->pc.w, \ - rn(node->v.w), \ - node->w.d); \ - patch(word, node); \ - } \ - break -#if DEVEL_DISASSEMBLER - prevw = _jit->pc.w; -#endif - for (node = _jitc->head; node; node = node->next) { - if (_jit->pc.uc >= _jitc->code.end) - return (NULL); - -#if DEVEL_DISASSEMBLER - node->offset = (jit_uword_t)_jit->pc.w - (jit_uword_t)prevw; - prevw = _jit->pc.w; -#endif - 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: - if (must_align_p(node->next)) - nop(2); - node->u.w = _jit->pc.w; - break; - case jit_code_label: - if (must_align_p(node->next)) - nop(2); - /* 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_rr(neg,); - case_rr(com,); - case_rrr(and,); - case_rrw(and,); - case_rrr(or,); - case_rrw(or,); - case_rrr(xor,); - case_rrw(xor,); - case_vv(trunc, _f_i); - case_vv(trunc, _d_i); - 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); - 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); - case_rr(st, _c); - case_wr(st, _c); - case_rr(st, _s); - case_wr(st, _s); - case_rr(st, _i); - case_wr(st, _i); - case_rrr(stx, _c); - case_wrr(stx, _c); - case_rrr(stx, _s); - case_wrr(stx, _s); - case_rrr(stx, _i); - case_wrr(stx, _i); - case_rr(hton, _us); - case_rr(hton, _ui); - case_rr(ext, _c); - case_rr(ext, _uc); - case_rr(ext, _s); - case_rr(ext, _us); - 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), temp->u.w); - patch(word, node); - } - } - else - movi(rn(node->u.w), node->v.w); - break; - 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_vvv(add, _f); - case_vvf(add); - case_vvv(sub, _f); - case_vvf(sub); - case_vvf(rsb); - case_vvv(mul, _f); - case_vvf(mul); - case_vvv(div, _f); - case_vvf(div); - case_vv(abs, _f); - case_vv(neg, _f); - case_vv(sqrt, _f); - case_vv(ext, _f); - case_vv(ld, _f); - case_vw(ld, _f); - case_vvv(ldx, _f); - case_vvw(ldx, _f); - case_vv(st, _f); - case_wv(st, _f); - case_vvv(stx, _f); - case_wvv(stx, _f); - case_vv(mov, _f); - case jit_code_movi_f: - assert_data(node); - if (jit_swf_p()) - swf_movi_f(rn(node->u.w), node->v.f); - else - vfp_movi_f(rn(node->u.w), node->v.f); - break; - case_vv(ext, _d_f); - case_vvv(lt, _f); - case_vvf(lt); - case_vvv(le, _f); - case_vvf(le); - case_vvv(eq, _f); - case_vvf(eq); - case_vvv(ge, _f); - case_vvf(ge); - case_vvv(gt, _f); - case_vvf(gt); - case_vvv(ne, _f); - case_vvf(ne); - case_vvv(unlt, _f); - case_vvf(unlt); - case_vvv(unle, _f); - case_vvf(unle); - case_vvv(uneq, _f); - case_vvf(uneq); - case_vvv(unge, _f); - case_vvf(unge); - case_vvv(ungt, _f); - case_vvf(ungt); - case_vvv(ltgt, _f); - case_vvf(ltgt); - case_vvv(ord, _f); - case_vvf(ord); - case_vvv(unord, _f); - case_vvf(unord); - case_bvv(blt, _f); - case_bvf(blt); - case_bvv(ble, _f); - case_bvf(ble); - case_bvv(beq, _f); - case_bvf(beq); - case_bvv(bge, _f); - case_bvf(bge); - case_bvv(bgt, _f); - case_bvf(bgt); - case_bvv(bne, _f); - case_bvf(bne); - case_bvv(bunlt, _f); - case_bvf(bunlt); - case_bvv(bunle, _f); - case_bvf(bunle); - case_bvv(buneq, _f); - case_bvf(buneq); - case_bvv(bunge, _f); - case_bvf(bunge); - case_bvv(bungt, _f); - case_bvf(bungt); - case_bvv(bltgt, _f); - case_bvf(bltgt); - case_bvv(bord, _f); - case_bvf(bord); - case_bvv(bunord, _f); - case_bvf(bunord); - case_vvv(add, _d); - case_vvd(add); - case_vvv(sub, _d); - case_vvd(sub); - case_vvd(rsb); - case_vvv(mul, _d); - case_vvd(mul); - case_vvv(div, _d); - case_vvd(div); - case_vv(abs, _d); - case_vv(neg, _d); - case_vv(sqrt, _d); - case_vv(ext, _d); - case_vv(ld, _d); - case_vw(ld, _d); - case_vvv(ldx, _d); - case_vvw(ldx, _d); - case_vv(st, _d); - case_wv(st, _d); - case_vvv(stx, _d); - case_wvv(stx, _d); - case_vv(mov, _d); - case jit_code_movi_d: - assert_data(node); - if (jit_swf_p()) - swf_movi_d(rn(node->u.w), node->v.d); - else - vfp_movi_d(rn(node->u.w), node->v.d); - break; - case_vv(ext, _f_d); - case_vvv(lt, _d); - case_vvd(lt); - case_vvv(le, _d); - case_vvd(le); - case_vvv(eq, _d); - case_vvd(eq); - case_vvv(ge, _d); - case_vvd(ge); - case_vvv(gt, _d); - case_vvd(gt); - case_vvv(ne, _d); - case_vvd(ne); - case_vvv(unlt, _d); - case_vvd(unlt); - case_vvv(unle, _d); - case_vvd(unle); - case_vvv(uneq, _d); - case_vvd(uneq); - case_vvv(unge, _d); - case_vvd(unge); - case_vvv(ungt, _d); - case_vvd(ungt); - case_vvv(ltgt, _d); - case_vvd(ltgt); - case_vvv(ord, _d); - case_vvd(ord); - case_vvv(unord, _d); - case_vvd(unord); - case_bvv(blt, _d); - case_bvd(blt); - case_bvv(ble, _d); - case_bvd(ble); - case_bvv(beq, _d); - case_bvd(beq); - case_bvv(bge, _d); - case_bvd(bge); - case_bvv(bgt, _d); - case_bvd(bgt); - case_bvv(bne, _d); - case_bvd(bne); - case_bvv(bunlt, _d); - case_bvd(bunlt); - case_bvv(bunle, _d); - case_bvd(bunle); - case_bvv(buneq, _d); - case_bvd(buneq); - case_bvv(bunge, _d); - case_bvd(bunge); - case_bvv(bungt, _d); - case_bvd(bungt); - case_bvv(bltgt, _d); - case_bvd(bltgt); - case_bvv(bord, _d); - case_bvd(bord); - case_bvv(bunord, _d); - case_bvd(bunord); - case jit_code_jmpr: - jmpr(rn(node->u.w)); - flush_consts(); - 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_p(_jit->pc.w, 1); - patch(word, node); - } - } - else - jmpi(node->u.w); - flush_consts(); - 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); - if (temp->flag & jit_flag_patch) - calli(temp->u.w); - else { - word = calli_p(_jit->pc.w); - 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; -#if DEVEL_DISASSEMBLER - undo.prevw = prevw; -#endif - undo.data = _jitc->consts.data; - undo.thumb = _jitc->thumb; - undo.const_offset = _jitc->consts.offset; - undo.patch_offset = _jitc->patches.offset; -#if DISASSEMBLER - if (_jitc->data_info.ptr) - undo.info_offset = _jitc->data_info.offset; -#endif - 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; -#if DEVEL_DISASSEMBLER - prevw = undo.prevw; -#endif - invalidate_consts(); - _jitc->consts.data = undo.data; - _jitc->thumb = undo.thumb; - _jitc->consts.offset = undo.const_offset; - _jitc->patches.offset = undo.patch_offset; -#if DISASSEMBLER - if (_jitc->data_info.ptr) - _jitc->data_info.offset = undo.info_offset; -#endif - goto restart_function; - } - /* remember label is defined */ - node->flag |= jit_flag_patch; - node->u.w = _jit->pc.w; - epilog(node); - _jitc->function = NULL; - flush_consts(); - break; - case jit_code_movr_w_f: - if (jit_swf_p()) - swf_movr_f(rn(node->u.w), rn(node->v.w)); - else - vfp_movr_f(rn(node->u.w), rn(node->v.w)); - break; - case jit_code_movr_f_w: - if (jit_swf_p()) - swf_movr_f(rn(node->u.w), rn(node->v.w)); - else - vfp_movr_f(rn(node->u.w), rn(node->v.w)); - break; - case jit_code_movi_f_w: - assert_data(node); - if (jit_swf_p()) - swf_movi_f(rn(node->u.w), node->v.f); - else - vfp_movi_f(rn(node->u.w), node->v.f); - break; - case jit_code_movr_ww_d: - if (jit_swf_p()) - swf_movr_d(rn(node->u.w), rn(node->v.w)); - else - vfp_movr_d(rn(node->u.w), rn(node->v.w)); - break; - case jit_code_movr_d_ww: - if (jit_swf_p()) - swf_movr_d(rn(node->u.w), rn(node->w.w)); - else - vfp_movr_d(rn(node->u.w), rn(node->w.w)); - break; - case jit_code_movi_d_ww: - assert_data(node); - if (jit_swf_p()) - swf_movi_d(rn(node->u.w), node->w.d); - else - vfp_movi_d(rn(node->u.w), node->w.d); - break; - 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: - if (jit_swf_p()) - swf_vaarg_d(rn(node->u.w), rn(node->v.w)); - else - vfp_vaarg_d(rn(node->u.w), rn(node->v.w)); - break; - case jit_code_live: case jit_code_ellipsis: - case jit_code_va_push: - case jit_code_allocai: case jit_code_allocar: - case jit_code_arg: - 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: - 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: - 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(); - } - jit_regarg_clr(node, value); - assert(_jitc->regarg == 0 && _jitc->synth == 0); - /* update register live state */ - jit_reglive(node); - - if (_jitc->consts.length && - (_jit->pc.uc - _jitc->consts.data >= 3968 || - (jit_uword_t)_jit->pc.uc - - (jit_uword_t)_jitc->consts.patches[0] >= 3968)) { - /* longest sequence should be 64 bytes, but preventively - * do not let it go past 128 remaining bytes before a flush */ - if (node->next && - node->next->code != jit_code_jmpi && - node->next->code != jit_code_jmpr && - node->next->code != jit_code_epilog) { - /* insert a jump, flush constants and continue */ - word = _jit->pc.w; - assert(!jit_thumb_p()); - B(0); - flush_consts(); - patch_at(arm_patch_jump, word, _jit->pc.w); - } - } - } -#undef case_bvd -#undef case_bvf -#undef case_brw -#undef case_bvv -#undef case_brr -#undef case_wvv -#undef case_wrr -#undef case_vvd -#undef case_vvf -#undef case_vvw -#undef case_rrw -#undef case_vvv -#undef case_rrr -#undef case_wv -#undef case_wr -#undef case_vw -#undef case_vv -#undef case_rw -#undef case_rr - - flush_consts(); - for (offset = 0; offset < _jitc->patches.offset; offset++) { - assert(_jitc->patches.ptr[offset].kind & arm_patch_node); - node = _jitc->patches.ptr[offset].node; - word = _jitc->patches.ptr[offset].inst; - if (!jit_thumb_p() && - (node->code == jit_code_movi || node->code == jit_code_calli)) { - /* calculate where to patch word */ - value = *(int32_t *)word; - assert((value & 0x0f700000) == ARM_LDRI); - /* offset may become negative (-4) if last instruction - * before unconditional branch and data following - * FIXME can this cause issues in the preprocessor prefetch - * or something else? should not, as the constants are after - * an unconditional jump */ - if (value & ARM_P) value = value & 0x00000fff; - else value = -(value & 0x00000fff); - word = word + 8 + value; - } - value = node->code == jit_code_movi ? node->v.n->u.w : node->u.n->u.w; - patch_at(_jitc->patches.ptr[offset].kind & ~arm_patch_node, word, value); - } - - jit_flush(_jit->code.ptr, _jit->pc.uc); - - return (_jit->code.ptr); -} - -#define CODE 1 -# include "rewind.c" -# include "arm-cpu.c" -# include "arm-swf.c" -# include ", 2018arm-vfp.c" -#undef CODE - -void -jit_flush(void *fptr, void *tptr) -{ -#if defined(__GNUC__) - jit_uword_t i, f, t, s; - - s = sysconf(_SC_PAGE_SIZE); - f = (jit_uword_t)fptr & -s; - t = (((jit_uword_t)tptr) + s - 1) & -s; - for (i = f; i < t; i += s) - __clear_cache((void *)i, (void *)(i + s)); -#endif -} - -void -_emit_ldxi(jit_state_t *_jit, int32_t r0, int32_t r1, jit_word_t i0) -{ - ldxi_i(rn(r0), rn(r1), i0); -} - -void -_emit_stxi(jit_state_t *_jit, jit_word_t i0, int32_t r0, int32_t r1) -{ - stxi_i(i0, rn(r0), rn(r1)); -} - -void -_emit_ldxi_d(jit_state_t *_jit, int32_t r0, int32_t r1, jit_word_t i0) -{ - if (jit_swf_p()) - swf_ldxi_d(rn(r0), rn(r1), i0); - else - vfp_ldxi_d(rn(r0), rn(r1), i0); -} - -void -_emit_stxi_d(jit_state_t *_jit, jit_word_t i0, int32_t r0, int32_t r1) -{ - if (jit_swf_p()) - swf_stxi_d(i0, rn(r0), rn(r1)); - else - vfp_stxi_d(i0, rn(r0), rn(r1)); -} - -static int32_t -_jit_get_reg_pair(jit_state_t *_jit) -{ - /* bypass jit_get_reg() with argument or'ed with jit_class_chk - * and try to find an consecutive, even free register pair, or - * return JIT_NOREG if fail, as the cost of spills is greater - * than splitting a double load/store in two operations. */ - if (jit_reg_free_p(_R0) && jit_reg_free_p(_R1)) { - jit_regset_setbit(&_jitc->regarg, _R0); - jit_regset_setbit(&_jitc->regarg, _R1); - return (_R0); - } - if (jit_reg_free_p(_R2) && jit_reg_free_p(_R3)) { - jit_regset_setbit(&_jitc->regarg, _R2); - jit_regset_setbit(&_jitc->regarg, _R3); - return (_R2); - } - if (jit_reg_free_p(_R4) && jit_reg_free_p(_R5)) { - jit_regset_setbit(&_jitc->regarg, _R4); - jit_regset_setbit(&_jitc->regarg, _R5); - return (_R4); - } - if (jit_reg_free_p(_R6) && jit_reg_free_p(_R7)) { - jit_regset_setbit(&_jitc->regarg, _R6); - jit_regset_setbit(&_jitc->regarg, _R7); - return (_R6); - } - if (jit_reg_free_p(_R8) && jit_reg_free_p(_R9)) { - jit_regset_setbit(&_jitc->regarg, _R8); - jit_regset_setbit(&_jitc->regarg, _R9); - return (_R8); - } - return (JIT_NOREG); -} - -static void -_jit_unget_reg_pair(jit_state_t *_jit, int32_t reg) -{ - jit_unget_reg(reg); - switch (reg) { - case _R0: jit_unget_reg(_R1); break; - case _R2: jit_unget_reg(_R3); break; - case _R4: jit_unget_reg(_R5); break; - case _R6: jit_unget_reg(_R7); break; - case _R8: jit_unget_reg(_R9); break; - default: abort(); - } -} - -/* A prolog must be aligned at mod 4 bytes boundary. - * This condition was not being required to be tested by - * accident previously, but with the jit_frame and jit_tramp - * code it is required */ -static jit_bool_t -_must_align_p(jit_state_t *_jit, jit_node_t *node) -{ - if (jit_thumb_p() && (_jit->pc.w & 3)) { - for (; node; node = node->next) { - switch (node->code) { - case jit_code_note: - case jit_code_name: - case jit_code_label: - break; - case jit_code_prolog: - return (1); - default: - return (0); - } - } - } - return (0); -} - -static void -_load_const(jit_state_t *_jit, jit_bool_t uniq, int32_t r0, jit_word_t i0) -{ - jit_word_t w; - jit_word_t d; - jit_word_t base; - int32_t *data; - int32_t size; - int32_t offset; - - assert(!jit_thumb_p()); - if (!uniq) { - /* use zero, a valid directly encoded immediate, to avoid the - * need of a bitmask to know what offsets will be patched, so - * that comparison will always fail for constants that cannot - * be encoded */ - assert(i0 != 0); - - /* Actually, code is (currently at least) not self modifying, - * so, any value reachable backwards is valid as a constant. */ - - /* FIXME a quickly updateable/mutable hash table could be - * better here, but most times only a few comparisons - * should be done - */ - - /* search in previous constant pool */ - if ((data = (int32_t *)_jitc->consts.data)) { - w = (jit_word_t)data; - /* maximum backwards offset */ - base = (_jit->pc.w + 8) - 4092; - if (base <= w) - /* can scan all possible available backward constants */ - base = 0; - else - base = (base - w) >> 2; - size = _jitc->consts.size >> 2; - for (offset = size - 1; offset >= base; offset--) { - if (data[offset] == i0) { - w = (jit_word_t)(data + offset); - d = (_jit->pc.w + 8) - w; - LDRIN(r0, _R15_REGNO, d); - return; - } - } - } - } - else - assert(i0 == 0); - - _jitc->consts.patches[_jitc->consts.offset++] = _jit->pc.w; - /* (probably) positive forward offset */ - LDRI(r0, _R15_REGNO, 0); - - if (!uniq) { - /* search already requested values */ - for (offset = 0; offset < _jitc->consts.length; offset++) { - if (_jitc->consts.values[offset] == i0) { - _jitc->consts.patches[_jitc->consts.offset++] = offset; - return; - } - } - } - -#if DEBUG - /* cannot run out of space because of limited range - * but assert anyway to catch logic errors */ - assert(_jitc->consts.length < 1024); - assert(_jitc->consts.offset < 2048); -#endif - _jitc->consts.patches[_jitc->consts.offset++] = _jitc->consts.length; - _jitc->consts.values[_jitc->consts.length++] = i0; -} - -static void -_flush_consts(jit_state_t *_jit) -{ - jit_word_t word; - int32_t offset; - - /* if no forward constants */ - if (!_jitc->consts.length) - return; - assert(!jit_thumb_p()); - word = _jit->pc.w; - _jitc->consts.data = _jit->pc.uc; - _jitc->consts.size = _jitc->consts.length << 2; - /* FIXME check will not overrun, otherwise, need to reallocate - * code buffer and start over */ - jit_memcpy(_jitc->consts.data, _jitc->consts.values, _jitc->consts.size); - _jit->pc.w += _jitc->consts.size; - -#if DISASSEMBLER - if (_jitc->data_info.ptr) { - if (_jitc->data_info.offset >= _jitc->data_info.length) { - jit_realloc((jit_pointer_t *)&_jitc->data_info.ptr, - _jitc->data_info.length * sizeof(jit_data_info_t), - (_jitc->data_info.length + 1024) * - sizeof(jit_data_info_t)); - _jitc->data_info.length += 1024; - } - _jitc->data_info.ptr[_jitc->data_info.offset].code = word; - _jitc->data_info.ptr[_jitc->data_info.offset].length = _jitc->consts.size; - ++_jitc->data_info.offset; - } -#endif - - for (offset = 0; offset < _jitc->consts.offset; offset += 2) - patch_at(arm_patch_load, _jitc->consts.patches[offset], - word + (_jitc->consts.patches[offset + 1] << 2)); - _jitc->consts.length = _jitc->consts.offset = 0; -} - -/* to be called if needing to start over a function */ -static void -_invalidate_consts(jit_state_t *_jit) -{ - /* if no forward constants */ - if (_jitc->consts.length) - _jitc->consts.length = _jitc->consts.offset = 0; -} - -static void -_patch(jit_state_t *_jit, jit_word_t instr, jit_node_t *node) -{ - int32_t flag; - int32_t kind; - - assert(node->flag & jit_flag_node); - if (node->code == jit_code_movi) { - flag = node->v.n->flag; - kind = arm_patch_word; - } - else { - flag = node->u.n->flag; - if (node->code == jit_code_calli || - (node->code == jit_code_jmpi && !(node->flag & jit_flag_node))) - kind = arm_patch_word; - else - kind = arm_patch_jump; - } - assert(!(flag & jit_flag_patch)); - kind |= arm_patch_node; - 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].kind = kind; - _jitc->patches.ptr[_jitc->patches.offset].inst = instr; - _jitc->patches.ptr[_jitc->patches.offset].node = node; - ++_jitc->patches.offset; -} |