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-rw-r--r--libguile/lightning/lightening/arm.c2274
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;
-}