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-rw-r--r--deps/lightning/lib/jit_arm.c2274
1 files changed, 2274 insertions, 0 deletions
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 <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 {
+ 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, "<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)
+{
+ 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;
+}