From 4a71579b757d3a2eb6902c84391f429838ad4912 Mon Sep 17 00:00:00 2001 From: Paul Cercueil Date: Thu, 30 Jan 2020 12:33:44 -0300 Subject: git subrepo clone https://git.savannah.gnu.org/git/lightning.git deps/lightning subrepo: subdir: "deps/lightning" merged: "b0b8eb5" upstream: origin: "https://git.savannah.gnu.org/git/lightning.git" branch: "master" commit: "b0b8eb5" git-subrepo: version: "0.4.1" origin: "https://github.com/ingydotnet/git-subrepo.git" commit: "a04d8c2" --- deps/lightning/lib/jit_arm.c | 2274 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 2274 insertions(+) create mode 100644 deps/lightning/lib/jit_arm.c (limited to 'deps/lightning/lib/jit_arm.c') diff --git a/deps/lightning/lib/jit_arm.c b/deps/lightning/lib/jit_arm.c new file mode 100644 index 0000000..783fa90 --- /dev/null +++ b/deps/lightning/lib/jit_arm.c @@ -0,0 +1,2274 @@ +/* + * 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 + +#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 { + jit_int32_t i; + jit_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 jit_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*,jit_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,jit_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 "jit_rewind.c" +# include "jit_arm-cpu.c" +# include "jit_arm-swf.c" +# include "jit_arm-vfp.c" +#undef PROTO + +/* + * Initialization + */ +jit_cpu_t jit_cpu; +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, "" }, +}; + +/* + * 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) +{ + 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) +{ + 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(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_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, 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) +{ + jit_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) +{ + jit_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) +{ + jit_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, 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_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, 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, 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, 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, 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, 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) +{ + jit_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, 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, 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) +{ + jit_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, 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, 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) +{ + jit_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, 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) +{ + jit_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, 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) +{ + jit_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, 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) +{ + jit_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, jit_int32_t regno) +{ + jit_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, 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, 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, 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, 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, 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, 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, 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, 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; + jit_int32_t value; + jit_int32_t offset; + struct { + jit_node_t *node; + jit_uint8_t *data; + jit_word_t word; +#if DEVEL_DISASSEMBLER + jit_word_t prevw; +#endif + jit_uword_t thumb; +#if DISASSEMBLER + jit_int32_t info_offset; +#endif + jit_int32_t const_offset; + jit_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 = *(jit_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 "jit_rewind.c" +# include "jit_arm-cpu.c" +# include "jit_arm-swf.c" +# include "jit_arm-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, jit_int32_t r0, jit_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, jit_int32_t r0, jit_int32_t r1) +{ + stxi_i(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) +{ + 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, jit_int32_t r0, jit_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 jit_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, 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, jit_int32_t r0, jit_word_t i0) +{ + jit_word_t w; + jit_word_t d; + jit_word_t base; + jit_int32_t *data; + jit_int32_t size; + jit_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 = (jit_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; + jit_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) +{ + jit_int32_t flag; + jit_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; +} -- cgit v1.2.3