Merge pull request #377 from pcercuei/libretro

Lightrec dynarec

1 files changed, 1582 insertions, 0 deletions

diff --git a/deps/lightning/lib/jit_aarch64.c b/deps/lightning/lib/jit_aarch64.c
new file mode 100644
index 0000000..5b2ff49
--- /dev/null
+++ b/deps/lightning/lib/jit_aarch64.c
@@ -0,0 +1,1582 @@
+/*
+ * Copyright (C) 2013-2019  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
+ */
+
+#define jit_arg_reg_p(i)		((i) >= 0 && (i) < 8)
+#define jit_arg_f_reg_p(i)		((i) >= 0 && (i) < 8)
+
+typedef struct jit_qreg {
+    jit_float64_t	l;
+    jit_float64_t	h;
+} jit_qreg_t;
+
+#define va_gp_top_offset		offsetof(jit_va_list_t, q0)
+#define va_fp_top_offset		sizeof(jit_va_list_t)
+typedef struct jit_va_list {
+    jit_pointer_t	stack;
+    jit_pointer_t	gptop;
+    jit_pointer_t	fptop;
+    jit_int32_t		gpoff;
+    jit_int32_t		fpoff;
+
+    jit_int64_t		x0;
+    jit_int64_t		x1;
+    jit_int64_t		x2;
+    jit_int64_t		x3;
+    jit_int64_t		x4;
+    jit_int64_t		x5;
+    jit_int64_t		x6;
+    jit_int64_t		x7;
+
+    jit_qreg_t		q0;
+    jit_qreg_t		q1;
+    jit_qreg_t		q2;
+    jit_qreg_t		q3;
+    jit_qreg_t		q4;
+    jit_qreg_t		q5;
+    jit_qreg_t		q6;
+    jit_qreg_t		q7;
+} jit_va_list_t;
+
+/*
+ * Prototypes
+ */
+#define patch(instr, node)		_patch(_jit, instr, node)
+static void _patch(jit_state_t*,jit_word_t,jit_node_t*);
+
+/* libgcc */
+extern void __clear_cache(void *, void *);
+
+#define PROTO				1
+#  include "jit_aarch64-cpu.c"
+#  include "jit_aarch64-fpu.c"
+#undef PROTO
+
+/*
+ * Initialization
+ */
+jit_register_t		_rvs[] = {
+    { rc(gpr) | 0x08,			"x8" },
+    { rc(gpr) | 0x12,			"x18" },
+    { rc(gpr) | 0x11,			"x17" },
+    { rc(gpr) | 0x10,			"x16" },
+    { rc(gpr) | 0x09,			"x9" },
+    { rc(gpr) | 0x0a,			"x10" },
+    { rc(gpr) | 0x0b,			"x11" },
+    { rc(gpr) | 0x0c,			"x12" },
+    { rc(gpr) | 0x0d,			"x13" },
+    { rc(gpr) | 0x0e,			"x14" },
+    { rc(gpr) | 0x0f,			"x15" },
+    { rc(sav) | rc(gpr) | 0x13,		"x19" },
+    { rc(sav) | rc(gpr) | 0x14,		"x20" },
+    { rc(sav) | rc(gpr) | 0x15,		"x21" },
+    { rc(sav) | rc(gpr) | 0x16,		"x22" },
+    { rc(sav) | rc(gpr) | 0x17,		"x23" },
+    { rc(sav) | rc(gpr) | 0x18,		"x24" },
+    { rc(sav) | rc(gpr) | 0x19,		"x25" },
+    { rc(sav) | rc(gpr) | 0x1a,		"x26" },
+    { rc(sav) | rc(gpr) | 0x1b,		"x27" },
+    { rc(sav) | rc(gpr) | 0x1c,		"x28" },
+    { 0x1f,				"sp" },
+    { 0x1e,				"lr" },
+    { 0x1d,				"fp" },
+    { rc(arg) | rc(gpr) | 0x07,		"x7" },
+    { rc(arg) | rc(gpr) | 0x06,		"x6" },
+    { rc(arg) | rc(gpr) | 0x05,		"x5" },
+    { rc(arg) | rc(gpr) | 0x04,		"x4" },
+    { rc(arg) | rc(gpr) | 0x03,		"x3" },
+    { rc(arg) | rc(gpr) | 0x02,		"x2" },
+    { rc(arg) | rc(gpr) | 0x01,		"x1" },
+    { rc(arg) | rc(gpr) | 0x00,		"x0" },
+    { rc(fpr) | 0x1f,			"v31" },
+    { rc(fpr) | 0x1e,			"v30" },
+    { rc(fpr) | 0x1d,			"v29" },
+    { rc(fpr) | 0x1c,			"v28" },
+    { rc(fpr) | 0x1b,			"v27" },
+    { rc(fpr) | 0x1a,			"v26" },
+    { rc(fpr) | 0x19,			"v25" },
+    { rc(fpr) | 0x18,			"v24" },
+    { rc(fpr) | 0x17,			"v23" },
+    { rc(fpr) | 0x16,			"v22" },
+    { rc(fpr) | 0x15,			"v21" },
+    { rc(fpr) | 0x14,			"v20" },
+    { rc(fpr) | 0x13,			"v19" },
+    { rc(fpr) | 0x12,			"v18" },
+    { rc(fpr) | 0x11,			"v17" },
+    { rc(fpr) | 0x10,			"v16" },
+    { rc(sav) | rc(fpr) | 0x08,		"v8" },
+    { rc(sav) | rc(fpr) | 0x09,		"v9" },
+    { rc(sav) | rc(fpr) | 0x0a,		"v10" },
+    { rc(sav) | rc(fpr) | 0x0b,		"v11" },
+    { rc(sav) | rc(fpr) | 0x0c,		"v12" },
+    { rc(sav) | rc(fpr) | 0x0d,		"v13" },
+    { rc(sav) | rc(fpr) | 0x0e,		"v14" },
+    { rc(sav) | rc(fpr) | 0x0f,		"v15" },
+    { rc(arg) | rc(fpr) | 0x07,		"v7" },
+    { rc(arg) | rc(fpr) | 0x06,		"v6" },
+    { rc(arg) | rc(fpr) | 0x05,		"v5" },
+    { rc(arg) | rc(fpr) | 0x04,		"v4" },
+    { rc(arg) | rc(fpr) | 0x03,		"v3" },
+    { rc(arg) | rc(fpr) | 0x02,		"v2" },
+    { rc(arg) | rc(fpr) | 0x01,		"v1" },
+    { rc(arg) | rc(fpr) | 0x00,		"v0" },
+    { _NOREG,				"<none>" },
+};
+
+/*
+ * Implementation
+ */
+void
+jit_get_cpu(void)
+{
+}
+
+void
+_jit_init(jit_state_t *_jit)
+{
+    _jitc->reglen = jit_size(_rvs) - 1;
+}
+
+void
+_jit_prolog(jit_state_t *_jit)
+{
+    jit_int32_t		 offset;
+
+    if (_jitc->function)
+	jit_epilog();
+    assert(jit_regset_cmp_ui(&_jitc->regarg, 0) == 0);
+    jit_regset_set_ui(&_jitc->regsav, 0);
+    offset = _jitc->functions.offset;
+    if (offset >= _jitc->functions.length) {
+	jit_realloc((jit_pointer_t *)&_jitc->functions.ptr,
+		    _jitc->functions.length * sizeof(jit_function_t),
+		    (_jitc->functions.length + 16) * sizeof(jit_function_t));
+	_jitc->functions.length += 16;
+    }
+    _jitc->function = _jitc->functions.ptr + _jitc->functions.offset++;
+    _jitc->function->self.size = stack_framesize;
+    _jitc->function->self.argi = _jitc->function->self.argf =
+	_jitc->function->self.alen = 0;
+    _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		 r0, r1;
+    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;
+    }
+    r0 = jit_get_reg(jit_class_gpr);
+    jit_negr(r0, v);
+    jit_andi(r0, r0, -16);
+    jit_ldxi_i(u, JIT_FP, _jitc->function->aoffoff);
+    jit_addr(u, u, r0);
+    /* Cannot "addr sp, sp, reg" because in this context "sp" is "[w|x]zr",
+     * the zero register */
+#if 0
+    jit_addr(JIT_SP, JIT_SP, r0);
+#else
+    r1 = jit_get_reg(jit_class_gpr);
+    /* note that "mov r1, sp" does not work, but the proper encoding
+     * can be triggered before actually emiting with "add r1, sp, 0" */
+    jit_addi(r1, JIT_SP, 0);
+    jit_addr(r1, r1, r0);
+    jit_addi(JIT_SP, r1, 0);
+    jit_unget_reg(r1);
+#endif
+    jit_stxi_i(_jitc->function->aoffoff, JIT_FP, u);
+    jit_unget_reg(r0);
+    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 (u != JIT_FRET)
+	jit_movr_f(JIT_FRET, u);
+    else
+	jit_live(JIT_FRET);
+    jit_ret();
+    jit_dec_synth();
+}
+
+void
+_jit_reti_f(jit_state_t *_jit, jit_float32_t u)
+{
+    jit_inc_synth_f(reti_f, u);
+    jit_movi_f(JIT_FRET, u);
+    jit_ret();
+    jit_dec_synth();
+}
+
+void
+_jit_retr_d(jit_state_t *_jit, jit_int32_t u)
+{
+    jit_inc_synth_w(retr_d, u);
+    if (u != JIT_FRET)
+	jit_movr_d(JIT_FRET, u);
+    else
+	jit_live(JIT_FRET);
+    jit_ret();
+    jit_dec_synth();
+}
+
+void
+_jit_reti_d(jit_state_t *_jit, jit_float64_t u)
+{
+    jit_inc_synth_d(reti_d, u);
+    jit_movi_d(JIT_FRET, u);
+    jit_ret();
+    jit_dec_synth();
+}
+
+void
+_jit_epilog(jit_state_t *_jit)
+{
+    assert(_jitc->function);
+    assert(_jitc->function->epilog->next == NULL);
+    jit_link(_jitc->function->epilog);
+    _jitc->function = NULL;
+}
+
+jit_bool_t
+_jit_arg_register_p(jit_state_t *_jit, jit_node_t *u)
+{
+    if (u->code == jit_code_arg)
+	return (jit_arg_reg_p(u->u.w));
+    assert(u->code == jit_code_arg_f || u->code == jit_code_arg_d);
+    return (jit_arg_f_reg_p(u->u.w));
+}
+
+void
+_jit_ellipsis(jit_state_t *_jit)
+{
+    jit_inc_synth(ellipsis);
+    if (_jitc->prepare) {
+	jit_link_prepare();
+	assert(!(_jitc->function->call.call & jit_call_varargs));
+	_jitc->function->call.call |= jit_call_varargs;
+    }
+    else {
+	jit_link_prolog();
+	assert(!(_jitc->function->self.call & jit_call_varargs));
+	_jitc->function->self.call |= jit_call_varargs;
+
+	/* Allocate va_list like object in the stack,
+	 * with enough space to save all argument
+	 * registers, and use fixed offsets for them. */
+	_jitc->function->vaoff = jit_allocai(sizeof(jit_va_list_t));
+
+	/* Initialize gp offset in save area. */
+	if (jit_arg_reg_p(_jitc->function->self.argi))
+	    _jitc->function->vagp = (8 - _jitc->function->self.argi) * -8;
+	else
+	    _jitc->function->vagp = 0;
+
+	/* Initialize fp offset in save area. */
+	if (jit_arg_f_reg_p(_jitc->function->self.argf))
+	    _jitc->function->vafp = (8 - _jitc->function->self.argf) * -16;
+	else
+	    _jitc->function->vafp = 0;
+    }
+    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)
+{
+    jit_node_t		*node;
+    jit_int32_t		 offset;
+    assert(_jitc->function);
+    assert(!(_jitc->function->self.call & jit_call_varargs));
+    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);
+    }
+    node = jit_new_node_ww(jit_code_arg, offset,
+			   ++_jitc->function->self.argn);
+    jit_link_prolog();
+    return (node);
+}
+
+jit_node_t *
+_jit_arg_f(jit_state_t *_jit)
+{
+    jit_node_t		*node;
+    jit_int32_t		 offset;
+    assert(_jitc->function);
+    assert(!(_jitc->function->self.call & jit_call_varargs));
+    if (jit_arg_f_reg_p(_jitc->function->self.argf))
+	offset = _jitc->function->self.argf++;
+    else {
+	offset = _jitc->function->self.size;
+	_jitc->function->self.size += sizeof(jit_word_t);
+    }
+    node = jit_new_node_ww(jit_code_arg_f, offset,
+			   ++_jitc->function->self.argn);
+    jit_link_prolog();
+    return (node);
+}
+
+jit_node_t *
+_jit_arg_d(jit_state_t *_jit)
+{
+    jit_node_t		*node;
+    jit_int32_t		 offset;
+    assert(_jitc->function);
+    assert(!(_jitc->function->self.call & jit_call_varargs));
+    if (jit_arg_f_reg_p(_jitc->function->self.argf))
+	offset = _jitc->function->self.argf++;
+    else {
+	offset = _jitc->function->self.size;
+	_jitc->function->self.size += sizeof(jit_word_t);
+    }
+    node = jit_new_node_ww(jit_code_arg_d, offset,
+			   ++_jitc->function->self.argn);
+    jit_link_prolog();
+    return (node);
+}
+
+void
+_jit_getarg_c(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
+{
+    assert(v->code == jit_code_arg);
+    jit_inc_synth_wp(getarg_c, u, v);
+    if (jit_arg_reg_p(v->u.w))
+	jit_extr_c(u, 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_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_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_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_arg_reg_p(v->u.w))
+	jit_extr_i(u, JIT_RA0 - v->u.w);
+    else
+	jit_ldxi_i(u, JIT_FP, v->u.w);
+    jit_dec_synth();
+}
+
+void
+_jit_getarg_ui(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
+{
+    assert(v->code == jit_code_arg);
+    jit_inc_synth_wp(getarg_ui, u, v);
+    if (jit_arg_reg_p(v->u.w))
+	jit_extr_ui(u, JIT_RA0 - v->u.w);
+    else
+	jit_ldxi_ui(u, JIT_FP, v->u.w);
+    jit_dec_synth();
+}
+
+void
+_jit_getarg_l(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
+{
+    assert(v->code == jit_code_arg);
+    jit_inc_synth_wp(getarg_l, u, v);
+    if (jit_arg_reg_p(v->u.w))
+	jit_movr(u, JIT_RA0 - v->u.w);
+    else
+	jit_ldxi_l(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_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_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_arg_reg_p(v->u.w))
+	jit_movr_f(u, JIT_FA0 - 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_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);
+    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_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);
+    }
+    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_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);
+    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_arg_reg_p(v->u.w))
+	jit_movr_d(JIT_FA0 - v->u.w, 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_arg_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);
+    }
+    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_arg_f_reg_p(_jitc->function->call.argf)) {
+	jit_movr_f(JIT_FA0 - _jitc->function->call.argf, u);
+	++_jitc->function->call.argf;
+    }
+    else {
+	jit_stxi_f(_jitc->function->call.size, JIT_SP, u);
+	_jitc->function->call.size += sizeof(jit_word_t);
+    }
+    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_arg_f_reg_p(_jitc->function->call.argf)) {
+	jit_movi_f(JIT_FA0 - _jitc->function->call.argf, u);
+	++_jitc->function->call.argf;
+    }
+    else {
+	regno = jit_get_reg(jit_class_fpr);
+	jit_movi_f(regno, u);
+ 	jit_stxi_f(_jitc->function->call.size, JIT_SP, regno);
+	jit_unget_reg(regno);
+	_jitc->function->call.size += sizeof(jit_word_t);
+    }
+    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_arg_f_reg_p(_jitc->function->call.argf)) {
+	jit_movr_d(JIT_FA0 - _jitc->function->call.argf, u);
+	++_jitc->function->call.argf;
+    }
+    else {
+	jit_stxi_d(_jitc->function->call.size, JIT_SP, u);
+	_jitc->function->call.size += sizeof(jit_word_t);
+    }
+    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_arg_f_reg_p(_jitc->function->call.argf)) {
+	jit_movi_d(JIT_FA0 - _jitc->function->call.argf, u);
+	++_jitc->function->call.argf;
+    }
+    else {
+	regno = jit_get_reg(jit_class_fpr);
+	jit_movi_d(regno, u);
+ 	jit_stxi_d(_jitc->function->call.size, JIT_SP, regno);
+	jit_unget_reg(regno);
+	_jitc->function->call.size += sizeof(jit_word_t);
+    }
+    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 (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);
+    jit_extr_i(r0, JIT_RET);
+    jit_dec_synth();
+}
+
+void
+_jit_retval_ui(jit_state_t *_jit, jit_int32_t r0)
+{
+    jit_inc_synth_w(retval_ui, r0);
+    jit_extr_ui(r0, JIT_RET);
+    jit_dec_synth();
+}
+
+void
+_jit_retval_l(jit_state_t *_jit, jit_int32_t r0)
+{
+    jit_inc_synth_w(retval_l, 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 (r0 != JIT_FRET)
+	jit_movr_f(r0, JIT_FRET);
+    jit_dec_synth();
+}
+
+void
+_jit_retval_d(jit_state_t *_jit, jit_int32_t r0)
+{
+    jit_inc_synth_w(retval_d, r0);
+    if (r0 != JIT_FRET)
+	jit_movr_d(r0, JIT_FRET);
+    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_word_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_int32_t	 const_offset;
+	jit_int32_t	 patch_offset;
+    } undo;
+#if DEVEL_DISASSEMBLER
+    jit_word_t		 prevw;
+#endif
+
+    _jitc->function = NULL;
+
+    jit_reglive_setup();
+
+    undo.word = 0;
+    undo.node = NULL;
+    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_wr(name, type)						\
+	    case jit_code_##name##i##type:				\
+		name##i##type(node->u.w, rn(node->v.w));		\
+		break
+#define case_rrr(name, type)						\
+	    case jit_code_##name##r##type:				\
+		name##r##type(rn(node->u.w),				\
+			      rn(node->v.w), rn(node->w.w));		\
+		break
+#define case_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_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_rrf(name)							\
+	    case jit_code_##name##i_f:					\
+		assert_data(node);					\
+		name##i_f(rn(node->u.w), rn(node->v.w), node->w.f);	\
+		break
+#define case_rrd(name)							\
+	    case jit_code_##name##i_d:					\
+		assert_data(node);					\
+		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_brr(name, type)						\
+	    case jit_code_##name##r##type:				\
+		temp = node->u.n;					\
+		assert(temp->code == jit_code_label ||			\
+		       temp->code == jit_code_epilog);			\
+		if (temp->flag & jit_flag_patch)			\
+		    name##r##type(temp->u.w, rn(node->v.w),		\
+				  rn(node->w.w));			\
+		else {							\
+		    word = name##r##type(_jit->pc.w,			\
+					 rn(node->v.w), rn(node->w.w));	\
+		    patch(word, node);					\
+		}							\
+		break
+#define case_brw(name, type)						\
+	    case jit_code_##name##i##type:				\
+		temp = node->u.n;					\
+		assert(temp->code == jit_code_label ||			\
+		       temp->code == jit_code_epilog);			\
+		if (temp->flag & jit_flag_patch)			\
+		    name##i##type(temp->u.w,				\
+				  rn(node->v.w), node->w.w);		\
+		else {							\
+		    word = name##i##type(_jit->pc.w,			\
+					 rn(node->v.w), node->w.w);	\
+		    patch(word, node);					\
+		}							\
+		break;
+#define case_brf(name)							\
+	    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)			\
+		    name##i_f(temp->u.w, rn(node->v.w), node->w.f);	\
+		else {							\
+		    word = name##i_f(_jit->pc.w, rn(node->v.w),		\
+				     node->w.f);			\
+		    patch(word, node);					\
+		}							\
+		break
+#define case_brd(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)			\
+		    name##i_d(temp->u.w, rn(node->v.w), node->w.d);	\
+		else {							\
+		    word = 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:
+		node->u.w = _jit->pc.w;
+		break;
+	    case jit_code_label:
+		/* remember label is defined */
+		node->flag |= jit_flag_patch;
+		node->u.w = _jit->pc.w;
+		break;
+		case_rrr(add,);
+		case_rrw(add,);
+		case_rrr(addc,);
+		case_rrw(addc,);
+		case_rrr(addx,);
+		case_rrw(addx,);
+		case_rrr(sub,);
+		case_rrw(sub,);
+		case_rrr(subc,);
+		case_rrw(subc,);
+		case_rrr(subx,);
+		case_rrw(subx,);
+		case_rrw(rsb,);
+		case_rrr(mul,);
+		case_rrw(mul,);
+		case_rrrr(qmul,);
+		case_rrrw(qmul,);
+		case_rrrr(qmul, _u);
+		case_rrrw(qmul, _u);
+		case_rrr(div,);
+		case_rrw(div,);
+		case_rrr(div, _u);
+		case_rrw(div, _u);
+		case_rrrr(qdiv,);
+		case_rrrw(qdiv,);
+		case_rrrr(qdiv, _u);
+		case_rrrw(qdiv, _u);
+		case_rrr(rem,);
+		case_rrw(rem,);
+		case_rrr(rem, _u);
+		case_rrw(rem, _u);
+		case_rrr(lsh,);
+		case_rrw(lsh,);
+		case_rrr(rsh,);
+		case_rrw(rsh,);
+		case_rrr(rsh, _u);
+		case_rrw(rsh, _u);
+		case_rr(neg,);
+		case_rr(com,);
+		case_rrr(and,);
+		case_rrw(and,);
+		case_rrr(or,);
+		case_rrw(or,);
+		case_rrr(xor,);
+		case_rrw(xor,);
+		case_rr(trunc, _f_i);
+		case_rr(trunc, _d_i);
+		case_rr(trunc, _f_l);
+		case_rr(trunc, _d_l);
+		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_rr(ld, _ui);
+		case_rw(ld, _ui);
+		case_rr(ld, _l);
+		case_rw(ld, _l);
+		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_rrr(ldx, _ui);
+		case_rrw(ldx, _ui);
+		case_rrr(ldx, _l);
+		case_rrw(ldx, _l);
+		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_rr(st, _l);
+		case_wr(st, _l);
+		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_rrr(stx, _l);
+		case_wrr(stx, _l);
+		case_rr(hton, _us);
+		case_rr(hton, _ui);
+		case_rr(hton, _ul);
+		case_rr(ext, _c);
+		case_rr(ext, _uc);
+		case_rr(ext, _s);
+		case_rr(ext, _us);
+		case_rr(ext, _i);
+		case_rr(ext, _ui);
+		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_rrr(add, _f);
+		case_rrf(add);
+		case_rrr(sub, _f);
+		case_rrf(sub);
+		case_rrf(rsb);
+		case_rrr(mul, _f);
+		case_rrf(mul);
+		case_rrr(div, _f);
+		case_rrf(div);
+		case_rr(abs, _f);
+		case_rr(neg, _f);
+		case_rr(sqrt, _f);
+		case_rr(ext, _f);
+		case_rr(ld, _f);
+		case_rw(ld, _f);
+		case_rrr(ldx, _f);
+		case_rrw(ldx, _f);
+		case_rr(st, _f);
+		case_wr(st, _f);
+		case_rrr(stx, _f);
+		case_wrr(stx, _f);
+		case_rr(mov, _f);
+	    case jit_code_movi_f:
+		assert_data(node);
+		movi_f(rn(node->u.w), node->v.f);
+		break;
+		case_rr(ext, _d_f);
+		case_rrr(lt, _f);
+		case_rrf(lt);
+		case_rrr(le, _f);
+		case_rrf(le);
+		case_rrr(eq, _f);
+		case_rrf(eq);
+		case_rrr(ge, _f);
+		case_rrf(ge);
+		case_rrr(gt, _f);
+		case_rrf(gt);
+		case_rrr(ne, _f);
+		case_rrf(ne);
+		case_rrr(unlt, _f);
+		case_rrf(unlt);
+		case_rrr(unle, _f);
+		case_rrf(unle);
+		case_rrr(uneq, _f);
+		case_rrf(uneq);
+		case_rrr(unge, _f);
+		case_rrf(unge);
+		case_rrr(ungt, _f);
+		case_rrf(ungt);
+		case_rrr(ltgt, _f);
+		case_rrf(ltgt);
+		case_rrr(ord, _f);
+		case_rrf(ord);
+		case_rrr(unord, _f);
+		case_rrf(unord);
+		case_brr(blt, _f);
+		case_brf(blt);
+		case_brr(ble, _f);
+		case_brf(ble);
+		case_brr(beq, _f);
+		case_brf(beq);
+		case_brr(bge, _f);
+		case_brf(bge);
+		case_brr(bgt, _f);
+		case_brf(bgt);
+		case_brr(bne, _f);
+		case_brf(bne);
+		case_brr(bunlt, _f);
+		case_brf(bunlt);
+		case_brr(bunle, _f);
+		case_brf(bunle);
+		case_brr(buneq, _f);
+		case_brf(buneq);
+		case_brr(bunge, _f);
+		case_brf(bunge);
+		case_brr(bungt, _f);
+		case_brf(bungt);
+		case_brr(bltgt, _f);
+		case_brf(bltgt);
+		case_brr(bord, _f);
+		case_brf(bord);
+		case_brr(bunord, _f);
+		case_brf(bunord);
+		case_rrr(add, _d);
+		case_rrd(add);
+		case_rrr(sub, _d);
+		case_rrd(sub);
+		case_rrd(rsb);
+		case_rrr(mul, _d);
+		case_rrd(mul);
+		case_rrr(div, _d);
+		case_rrd(div);
+		case_rr(abs, _d);
+		case_rr(neg, _d);
+		case_rr(sqrt, _d);
+		case_rr(ext, _d);
+		case_rr(ld, _d);
+		case_rw(ld, _d);
+		case_rrr(ldx, _d);
+		case_rrw(ldx, _d);
+		case_rr(st, _d);
+		case_wr(st, _d);
+		case_rrr(stx, _d);
+		case_wrr(stx, _d);
+		case_rr(mov, _d);
+	    case jit_code_movi_d:
+		assert_data(node);
+		movi_d(rn(node->u.w), node->v.d);
+		break;
+		case_rr(ext, _f_d);
+		case_rrr(lt, _d);
+		case_rrd(lt);
+		case_rrr(le, _d);
+		case_rrd(le);
+		case_rrr(eq, _d);
+		case_rrd(eq);
+		case_rrr(ge, _d);
+		case_rrd(ge);
+		case_rrr(gt, _d);
+		case_rrd(gt);
+		case_rrr(ne, _d);
+		case_rrd(ne);
+		case_rrr(unlt, _d);
+		case_rrd(unlt);
+		case_rrr(unle, _d);
+		case_rrd(unle);
+		case_rrr(uneq, _d);
+		case_rrd(uneq);
+		case_rrr(unge, _d);
+		case_rrd(unge);
+		case_rrr(ungt, _d);
+		case_rrd(ungt);
+		case_rrr(ltgt, _d);
+		case_rrd(ltgt);
+		case_rrr(ord, _d);
+		case_rrd(ord);
+		case_rrr(unord, _d);
+		case_rrd(unord);
+		case_brr(blt, _d);
+		case_brd(blt);
+		case_brr(ble, _d);
+		case_brd(ble);
+		case_brr(beq, _d);
+		case_brd(beq);
+		case_brr(bge, _d);
+		case_brd(bge);
+		case_brr(bgt, _d);
+		case_brd(bgt);
+		case_brr(bne, _d);
+		case_brd(bne);
+		case_brr(bunlt, _d);
+		case_brd(bunlt);
+		case_brr(bunle, _d);
+		case_brd(bunle);
+		case_brr(buneq, _d);
+		case_brd(buneq);
+		case_brr(bunge, _d);
+		case_brd(bunge);
+		case_brr(bungt, _d);
+		case_brd(bungt);
+		case_brr(bltgt, _d);
+		case_brd(bltgt);
+		case_brr(bord, _d);
+		case_brd(bord);
+		case_brr(bunord, _d);
+		case_brd(bunord);
+	    case jit_code_jmpr:
+		jmpr(rn(node->u.w));
+		break;
+	    case jit_code_jmpi:
+		if (node->flag & jit_flag_node) {
+		    temp = node->u.n;
+		    assert(temp->code == jit_code_label ||
+			   temp->code == jit_code_epilog);
+		    if (temp->flag & jit_flag_patch)
+			jmpi(temp->u.w);
+		    else {
+			word = jmpi_p(_jit->pc.w);
+			patch(word, node);
+		    }
+		}
+		else
+		    jmpi(node->u.w);
+		break;
+	    case jit_code_callr:
+		callr(rn(node->u.w));
+		break;
+	    case jit_code_calli:
+		if (node->flag & jit_flag_node) {
+		    temp = node->u.n;
+		    assert(temp->code == jit_code_label ||
+			   temp->code == jit_code_epilog);
+		    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.patch_offset = _jitc->patches.offset;
+	    restart_function:
+		_jitc->again = 0;
+		prolog(node);
+		break;
+	    case jit_code_epilog:
+		assert(_jitc->function == _jitc->functions.ptr + node->w.w);
+		if (_jitc->again) {
+		    for (temp = undo.node->next;
+			 temp != node; temp = temp->next) {
+			if (temp->code == jit_code_label ||
+			    temp->code == jit_code_epilog)
+			    temp->flag &= ~jit_flag_patch;
+		    }
+		    temp->flag &= ~jit_flag_patch;
+		    node = undo.node;
+		    _jit->pc.w = undo.word;
+#if DEVEL_DISASSEMBLER
+		    prevw = undo.prevw;
+#endif
+		    _jitc->patches.offset = undo.patch_offset;
+		    goto restart_function;
+		}
+		/* remember label is defined */
+		node->flag |= jit_flag_patch;
+		node->u.w = _jit->pc.w;
+		epilog(node);
+		_jitc->function = NULL;
+		break;
+	    case jit_code_va_start:
+		vastart(rn(node->u.w));
+		break;
+	    case jit_code_va_arg:
+		vaarg(rn(node->u.w), rn(node->v.w));
+		break;
+	    case jit_code_va_arg_d:
+		vaarg_d(rn(node->u.w), rn(node->v.w));
+		break;
+	    case jit_code_live:			case jit_code_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_ui:
+	    case jit_code_getarg_l:
+	    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_ui:		case jit_code_retval_l:
+	    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);
+    }
+#undef case_brw
+#undef case_brr
+#undef case_wrr
+#undef case_rrw
+#undef case_rrr
+#undef case_wr
+#undef case_rw
+#undef case_rr
+
+    for (offset = 0; offset < _jitc->patches.offset; offset++) {
+	node = _jitc->patches.ptr[offset].node;
+	word = _jitc->patches.ptr[offset].inst;
+	value = node->code == jit_code_movi ? node->v.n->u.w : node->u.n->u.w;
+	patch_at(word, value);
+    }
+
+    jit_flush(_jit->code.ptr, _jit->pc.uc);
+
+    return (_jit->code.ptr);
+}
+
+#define CODE				1
+#  include "jit_aarch64-cpu.c"
+#  include "jit_aarch64-fpu.c"
+#undef CODE
+
+void
+jit_flush(void *fptr, void *tptr)
+{
+#if defined(__GNUC__)
+    jit_word_t		f, t, s;
+
+    s = sysconf(_SC_PAGE_SIZE);
+    f = (jit_word_t)fptr & -s;
+    t = (((jit_word_t)tptr) + s - 1) & -s;
+    __clear_cache((void *)f, (void *)t);
+#endif
+}
+
+void
+_emit_ldxi(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0)
+{
+    ldxi(rn(r0), rn(r1), i0);
+}
+
+void
+_emit_stxi(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_int32_t r1)
+{
+    stxi(i0, rn(r0), rn(r1));
+}
+
+void
+_emit_ldxi_d(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0)
+{
+    ldxi_d(rn(r0), rn(r1), i0);
+}
+
+void
+_emit_stxi_d(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_int32_t r1)
+{
+    stxi_d(i0, rn(r0), rn(r1));
+}
+
+static void
+_patch(jit_state_t *_jit, jit_word_t instr, jit_node_t *node)
+{
+    jit_int32_t		 flag;
+
+    assert(node->flag & jit_flag_node);
+    if (node->code == jit_code_movi)
+	flag = node->v.n->flag;
+    else
+	flag = node->u.n->flag;
+    assert(!(flag & jit_flag_patch));
+    if (_jitc->patches.offset >= _jitc->patches.length) {
+	jit_realloc((jit_pointer_t *)&_jitc->patches.ptr,
+		    _jitc->patches.length * sizeof(jit_patch_t),
+		    (_jitc->patches.length + 1024) * sizeof(jit_patch_t));
+	_jitc->patches.length += 1024;
+    }
+    _jitc->patches.ptr[_jitc->patches.offset].inst = instr;
+    _jitc->patches.ptr[_jitc->patches.offset].node = node;
+    ++_jitc->patches.offset;
+}