Merge pull request #377 from pcercuei/libretro

Lightrec dynarec

1 files changed, 1930 insertions, 0 deletions

diff --git a/deps/lightning/lib/jit_mips.c b/deps/lightning/lib/jit_mips.c
new file mode 100644
index 0000000..dafade8
--- /dev/null
+++ b/deps/lightning/lib/jit_mips.c
@@ -0,0 +1,1930 @@
+/*
+ * 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 <sys/cachectl.h>
+#endif
+
+#if NEW_ABI
+#  define NUM_WORD_ARGS			8
+#  define STACK_SLOT			8
+#  define STACK_SHIFT			3
+#else
+#  define NUM_WORD_ARGS			4
+#  define STACK_SLOT			4
+#  define STACK_SHIFT			2
+#endif
+#if NEW_ABI && __BYTE_ORDER == __BIG_ENDIAN && __WORDSIZE == 32
+#  define WORD_ADJUST			4
+#else
+#  define WORD_ADJUST			0
+#endif
+#define jit_arg_reg_p(i)		((i) >= 0 && (i) < NUM_WORD_ARGS)
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+#  define C_DISP			0
+#  define S_DISP			0
+#  define I_DISP			0
+#else
+#  define C_DISP			STACK_SLOT - sizeof(jit_int8_t)
+#  define S_DISP			STACK_SLOT - sizeof(jit_int16_t)
+#  define I_DISP			STACK_SLOT - sizeof(jit_int32_t)
+#endif
+
+/*
+ * Types
+ */
+typedef struct jit_pointer_t jit_va_list_t;
+
+/*
+ * 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 patch(instr, node)		_patch(_jit, instr, node)
+static void _patch(jit_state_t*,jit_word_t,jit_node_t*);
+
+#define PROTO				1
+#  include "jit_rewind.c"
+#  include "jit_mips-cpu.c"
+#  include "jit_mips-fpu.c"
+#undef PROTO
+
+/*
+ * Initialization
+ */
+jit_register_t		_rvs[] = {
+    { rc(gpr) | 0x01,			"at" },
+    { rc(gpr) | 0x02,			"v0" },
+    { rc(gpr) | 0x03,			"v1" },
+#if !NEW_ABI
+    { rc(gpr) | 0x08,			"t0" },
+    { rc(gpr) | 0x09,			"t1" },
+    { rc(gpr) | 0x0a,			"t2" },
+    { rc(gpr) | 0x0b,			"t3" },
+#endif
+    { rc(gpr) | 0x0c,			"t4" },
+    { rc(gpr) | 0x0d,			"t5" },
+    { rc(gpr) | 0x0e,			"t6" },
+    { rc(gpr) | 0x0f,			"t7" },
+    { rc(gpr) | 0x18,			"t8" },
+    { rc(gpr) | 0x19,			"t9" },
+    { rc(sav) | rc(gpr) | 0x10,		"s0" },
+    { rc(sav) | rc(gpr) | 0x11,		"s1" },
+    { rc(sav) | rc(gpr) | 0x12,		"s2" },
+    { rc(sav) | rc(gpr) | 0x13,		"s3" },
+    { rc(sav) | rc(gpr) | 0x14,		"s4" },
+    { rc(sav) | rc(gpr) | 0x15,		"s5" },
+    { rc(sav) | rc(gpr) | 0x16,		"s6" },
+    { rc(sav) | rc(gpr) | 0x17,		"s7" },
+    { 0x00,				"zero" },
+    { 0x1a,				"k0" },
+    { 0x1b,				"k1" },
+    { rc(sav) | 0x1f,			"ra" },
+    { rc(sav) | 0x1c,			"gp" },
+    { rc(sav) | 0x1d,			"sp" },
+    { rc(sav) | 0x1e,			"fp" },
+#if NEW_ABI
+    { rc(gpr) | 0x0b,			"a7" },
+    { rc(gpr) | 0x0a,			"a6" },
+    { rc(gpr) | 0x09,			"a5" },
+    { rc(gpr) | 0x08,			"a4" },
+#endif
+    { rc(arg) | rc(gpr) | 0x07,		"a3" },
+    { rc(arg) | rc(gpr) | 0x06,		"a2" },
+    { rc(arg) | rc(gpr) | 0x05,		"a1" },
+    { rc(arg) | rc(gpr) | 0x04,		"a0" },
+    { rc(fpr) | 0x00,			"$f0" },
+    { rc(fpr) | 0x02,			"$f2" },
+    { rc(fpr) | 0x04,			"$f4" },
+    { rc(fpr) | 0x06,			"$f6" },
+    { rc(fpr) | 0x08,			"$f8" },
+    { rc(fpr) | 0x0a,			"$f10" },
+#if !NEW_ABI
+    { rc(sav) | rc(fpr) | 0x10,		"$f16" },
+    { rc(sav) | rc(fpr) | 0x12,		"$f18" },
+#endif
+    { rc(sav) | rc(fpr) | 0x14,		"$f20" },
+    { rc(sav) | rc(fpr) | 0x16,		"$f22" },
+    { rc(sav) | rc(fpr) | 0x18,		"$f24" },
+    { rc(sav) | rc(fpr) | 0x1a,		"$f26" },
+    { rc(sav) | rc(fpr) | 0x1c,		"$f28" },
+    { rc(sav) | rc(fpr) | 0x1e,		"$f30" },
+#if NEW_ABI
+    { rc(arg) | rc(fpr) | 0x13,		"$f19" },
+    { rc(arg) | rc(fpr) | 0x12,		"$f18" },
+    { rc(arg) | rc(fpr) | 0x11,		"$f17" },
+    { rc(arg) | rc(fpr) | 0x10,		"$f16" },
+    { rc(arg) | rc(fpr) | 0x0f,		"$f15" },
+    { rc(arg) | rc(fpr) | 0x0e,		"$f14" },
+    { rc(arg) | rc(fpr) | 0x0d,		"$f13" },
+    { rc(arg) | rc(fpr) | 0x0c,		"$f12" },
+#else
+    { rc(arg) | rc(fpr) | 0x0e,		"$f14" },
+    { rc(arg) | rc(fpr) | 0x0c,		"$f12" },
+#endif
+    { _NOREG,				"<none>" },
+};
+
+/*
+ * Implementation
+ */
+void
+jit_get_cpu(void)
+{
+}
+
+void
+_jit_init(jit_state_t *_jit)
+{
+    _jitc->reglen = jit_size(_rvs) - 1;
+/* Could also:
+ *	o reserve a register for carry	(overkill)
+ *	o use MTLO/MFLO			(performance hit)
+ * So, keep a register allocated after setting carry, and implicitly
+ * deallocate it if it can no longer be tracked
+ */
+    jit_carry = _NOREG;
+}
+
+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.aoff = _jitc->function->self.alen = 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_FRET != u)
+	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 (JIT_FRET != u)
+	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);
+#if NEW_ABI
+    return (jit_arg_reg_p(u->u.w));
+#else
+    return (u->u.w < 8);
+#endif
+}
+
+static jit_node_t *
+_jit_make_arg(jit_state_t *_jit, jit_node_t *node)
+{
+    jit_int32_t		 offset;
+#if NEW_ABI
+    if (jit_arg_reg_p(_jitc->function->self.argi))
+	offset = _jitc->function->self.argi++;
+    else {
+	offset = _jitc->function->self.size;
+	_jitc->function->self.size += STACK_SLOT;
+    }
+#else
+    offset = (_jitc->function->self.size - stack_framesize) >> STACK_SHIFT;
+    _jitc->function->self.argi = 1;
+    if (offset >= 4)
+	offset = _jitc->function->self.size;
+    _jitc->function->self.size += STACK_SLOT;
+#endif
+    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);
+}
+
+static jit_node_t *
+_jit_make_arg_f(jit_state_t *_jit, jit_node_t *node)
+{
+    jit_int32_t		 offset;
+#if NEW_ABI
+    if (jit_arg_reg_p(_jitc->function->self.argi)) {
+	offset = _jitc->function->self.argi++;
+	if (_jitc->function->self.call & jit_call_varargs)
+	    offset += 8;
+    }
+    else {
+	offset = _jitc->function->self.size;
+	_jitc->function->self.size += STACK_SLOT;
+    }
+#else
+    offset = (_jitc->function->self.size - stack_framesize) >> STACK_SHIFT;
+    if (offset < NUM_WORD_ARGS) {
+	if (!_jitc->function->self.argi &&
+	    !(_jitc->function->self.call & jit_call_varargs)) {
+	    if (offset == 0)
+		offset = 4;
+	    else {
+		offset = 6;
+		_jitc->function->self.argi = 1;
+	    }
+	    /* Use as flag to rewind in case of varargs function */
+	    ++_jitc->function->self.argf;
+	}
+    }
+    else
+	offset = _jitc->function->self.size;
+    _jitc->function->self.size += STACK_SLOT;
+#endif
+    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);
+}
+
+static jit_node_t *
+_jit_make_arg_d(jit_state_t *_jit, jit_node_t *node)
+{
+    jit_int32_t		 offset;
+#if NEW_ABI
+    if (jit_arg_reg_p(_jitc->function->self.argi)) {
+	offset = _jitc->function->self.argi++;
+	if (_jitc->function->self.call & jit_call_varargs)
+	    offset += 8;
+    }
+    else {
+	offset = _jitc->function->self.size;
+	_jitc->function->self.size += STACK_SLOT;
+    }
+#else
+    if (_jitc->function->self.size & 7) {
+	_jitc->function->self.size += 4;
+	_jitc->function->self.argi = 1;
+    }
+    offset = (_jitc->function->self.size - stack_framesize) >> STACK_SHIFT;
+    if (offset < NUM_WORD_ARGS) {
+	if (!_jitc->function->self.argi &&
+	    !(_jitc->function->self.call & jit_call_varargs)) {
+	    offset += 4;
+	    /* Use as flag to rewind in case of varargs function */
+	    ++_jitc->function->self.argf;
+	}
+    }
+    else
+	offset = _jitc->function->self.size;
+    _jitc->function->self.size += sizeof(jit_float64_t);
+#endif
+    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 !NEW_ABI
+	if (_jitc->function->call.argf)
+	    rewind_prepare();
+#endif
+    }
+    else {
+	assert(!(_jitc->function->self.call & jit_call_varargs));
+#if NEW_ABI
+	/* If varargs start in a register, allocate extra 64 bytes. */
+	if (jit_arg_reg_p(_jitc->function->self.argi))
+	    rewind_prolog();
+	/* Do not set during possible rewind. */
+	_jitc->function->self.call |= jit_call_varargs;
+#else
+	_jitc->function->self.call |= jit_call_varargs;
+	if (_jitc->function->self.argf)
+	    rewind_prolog();
+#endif
+	_jitc->function->vagp = _jitc->function->self.argi;
+    }
+    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_arg_reg_p(v->u.w))
+	jit_extr_c(u, _A0 - v->u.w);
+    else
+	jit_ldxi_c(u, _FP, v->u.w + C_DISP);
+    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, _A0 - v->u.w);
+    else
+	jit_ldxi_uc(u, _FP, v->u.w + C_DISP);
+    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, _A0 - v->u.w);
+    else
+	jit_ldxi_s(u, _FP, v->u.w + S_DISP);
+    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, _A0 - v->u.w);
+    else
+	jit_ldxi_us(u, _FP, v->u.w + S_DISP);
+    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)) {
+#if __WORDSIZE == 64
+	jit_extr_i(u, _A0 - v->u.w);
+#else
+	jit_movr(u, _A0 - v->u.w);
+#endif
+    }
+    else
+	jit_ldxi_i(u, _FP, v->u.w + I_DISP);
+    jit_dec_synth();
+}
+
+#if __WORDSIZE == 64
+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, _A0 - v->u.w);
+    else
+	jit_ldxi_ui(u, _FP, v->u.w + I_DISP);
+    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, _A0 - v->u.w);
+    else
+	jit_ldxi_l(u, _FP, v->u.w);
+    jit_dec_synth();
+}
+#endif
+
+void
+_jit_putargr(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
+{
+    jit_inc_synth_wp(putargr, u, v);
+    assert(v->code == jit_code_arg);
+    if (jit_arg_reg_p(v->u.w))
+	jit_movr(_A0 - v->u.w, u);
+    else
+	jit_stxi(v->u.w + WORD_ADJUST, _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(_A0 - v->u.w, u);
+    else {
+	regno = jit_get_reg(jit_class_gpr);
+	jit_movi(regno, u);
+	jit_stxi(v->u.w + WORD_ADJUST, _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 NEW_ABI
+    if (jit_arg_reg_p(v->u.w))
+	jit_movr_f(u, _F12 - v->u.w);
+    else if (jit_arg_reg_p(v->u.w - 8))
+	jit_movr_w_f(u, _A0 - v->u.w - 8);
+#else
+    if (v->u.w < 4)
+	jit_movr_w_f(u, _A0 - v->u.w);
+    else if (v->u.w < 8)
+	jit_movr_f(u, _F12 - ((v->u.w - 4) >> 1));
+#endif
+    else
+	jit_ldxi_f(u, _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 NEW_ABI
+    if (jit_arg_reg_p(v->u.w))
+	jit_movr_f(_F12 - v->u.w, u);
+    else if (jit_arg_reg_p(v->u.w - 8))
+	jit_movr_f_w(_A0 - v->u.w - 8, u);
+#else
+    if (v->u.w < 4)
+	jit_movr_f_w(_A0 - v->u.w, u);
+    else if (v->u.w < 8)
+	jit_movr_f(_F12 - ((v->u.w - 4) >> 1), u);
+#endif
+    else
+	jit_stxi_f(v->u.w, _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 NEW_ABI
+    if (jit_arg_reg_p(v->u.w))
+	jit_movi_f(_F12 - v->u.w, u);
+    else if (jit_arg_reg_p(v->u.w - 8)) {
+	regno = jit_get_reg(jit_class_fpr);
+	jit_movi_f(regno, u);
+	jit_movr_f_w(_A0 - v->u.w - 8, u);
+	jit_unget_reg(regno);
+    }
+#else
+    if (v->u.w < 4) {
+	regno = jit_get_reg(jit_class_fpr);
+	jit_movi_f(regno, u);
+	jit_movr_f_w(_A0 - ((v->u.w - 4) >> 1), regno);
+	jit_unget_reg(regno);
+    }
+    else if (v->u.w < 8)
+	jit_movi_f(_F12 - ((v->u.w - 4) >> 1), u);
+#endif
+    else {
+	regno = jit_get_reg(jit_class_fpr);
+	jit_movi_f(regno, u);
+	jit_stxi_f(v->u.w, _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 NEW_ABI
+    if (jit_arg_reg_p(v->u.w))
+	jit_movr_d(u, _F12 - v->u.w);
+    else if (jit_arg_reg_p(v->u.w - 8))
+	jit_movr_d_w(_A0 - v->u.w - 8, u);
+#else
+    if (v->u.w < 4)
+	jit_movr_ww_d(u, _A0 - v->u.w, _A0 - (v->u.w + 1));
+    else if (v->u.w < 8)
+	jit_movr_d(u, _F12 - ((v->u.w - 4) >> 1));
+#endif
+    else
+	jit_ldxi_d(u, _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 NEW_ABI
+    if (jit_arg_reg_p(v->u.w))
+	jit_movr_d(_F12 - v->u.w, u);
+    else if (jit_arg_reg_p(v->u.w - 8))
+	jit_movr_d_w(_A0 - v->u.w - 8, u);
+#else
+    if (v->u.w < 4)
+	jit_movr_d_ww(_A0 - v->u.w, _A0 - (v->u.w + 1), u);
+    else if (v->u.w < 8)
+	jit_movr_d(_F12 - ((v->u.w - 4) >> 1), u);
+#endif
+    else
+	jit_stxi_d(v->u.w, _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 NEW_ABI
+    if (jit_arg_reg_p(v->u.w))
+	jit_movi_d(_F12 - v->u.w, u);
+    else if (jit_arg_reg_p(v->u.w - 8)) {
+	regno = jit_get_reg(jit_class_fpr);
+	jit_movi_d(regno, u);
+	jit_movr_d_w(_A0 - v->u.w - 8, u);
+	jit_unget_reg(regno);
+    }
+#else
+    if (v->u.w < 4) {
+	regno = jit_get_reg(jit_class_fpr);
+	jit_movi_d(regno, u);
+	jit_movr_d_ww(_A0 - v->u.w, _A0 - (v->u.w + 1), regno);
+	jit_unget_reg(regno);
+    }
+    else if (v->u.w < 8)
+	jit_movi_d(_F12 - ((v->u.w - 4) >> 1), u);
+#endif
+    else {
+	regno = jit_get_reg(jit_class_fpr);
+	jit_movi_d(regno, u);
+	jit_stxi_d(v->u.w, _FP, regno);
+	jit_unget_reg(regno);
+    }
+    jit_dec_synth();
+}
+
+void
+_jit_pushargr(jit_state_t *_jit, jit_int32_t u)
+{
+    jit_inc_synth_w(pushargr, u);
+    jit_link_prepare();
+#if NEW_ABI
+    assert(_jitc->function);
+    if (jit_arg_reg_p(_jitc->function->call.argi)) {
+	jit_movr(_A0 - _jitc->function->call.argi, u);
+	++_jitc->function->call.argi;
+    }
+    else {
+	jit_stxi(_jitc->function->call.size + WORD_ADJUST, JIT_SP, u);
+	_jitc->function->call.size += STACK_SLOT;
+    }
+#else
+    jit_word_t		offset;
+    assert(_jitc->function);
+    offset = _jitc->function->call.size >> STACK_SHIFT;
+    _jitc->function->call.argi = 1;
+    if (jit_arg_reg_p(offset))
+	jit_movr(_A0 - offset, u);
+    else
+	jit_stxi(_jitc->function->call.size, JIT_SP, u);
+    _jitc->function->call.size += STACK_SLOT;
+#endif
+    jit_dec_synth();
+}
+
+void
+_jit_pushargi(jit_state_t *_jit, jit_word_t u)
+{
+    jit_int32_t		regno;
+#if !NEW_ABI
+    jit_word_t		offset;
+#endif
+    assert(_jitc->function);
+    jit_inc_synth_w(pushargi, u);
+    jit_link_prepare();
+#if NEW_ABI
+    if (jit_arg_reg_p(_jitc->function->call.argi)) {
+	jit_movi(_A0 - _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 + WORD_ADJUST, JIT_SP, regno);
+	_jitc->function->call.size += STACK_SLOT;
+	jit_unget_reg(regno);
+    }
+#else
+    offset = _jitc->function->call.size >> STACK_SHIFT;
+    ++_jitc->function->call.argi;
+    if (jit_arg_reg_p(offset))
+	jit_movi(_A0 - offset, u);
+    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 += STACK_SLOT;
+#endif
+    jit_dec_synth();
+}
+
+void
+_jit_pushargr_f(jit_state_t *_jit, jit_int32_t u)
+{
+#if !NEW_ABI
+    jit_word_t		offset;
+#endif
+    assert(_jitc->function);
+    jit_inc_synth_w(pushargr_f, u);
+    jit_link_prepare();
+#if NEW_ABI
+    if (jit_arg_reg_p(_jitc->function->call.argi)) {
+	if (!(_jitc->function->call.call & jit_call_varargs))
+	    jit_movr_f(_F12 - _jitc->function->call.argi, u);
+	else
+	    jit_movr_f_w(_A0 - _jitc->function->call.argi, u);
+	++_jitc->function->call.argi;
+    }
+    else {
+	jit_stxi_f(_jitc->function->call.size, JIT_SP, u);
+	_jitc->function->call.size += STACK_SLOT;
+    }
+#else
+    offset = _jitc->function->call.size >> STACK_SHIFT;
+    if (offset < 2 && !_jitc->function->call.argi &&
+	!(_jitc->function->call.call & jit_call_varargs)) {
+	++_jitc->function->call.argf;
+	jit_movr_f(_F12 - offset, u);
+    }
+    else if (offset < 4) {
+	++_jitc->function->call.argi;
+	jit_movr_f_w(_A0 - offset, u);
+    }
+    else
+	jit_stxi_f(_jitc->function->call.size, JIT_SP, u);
+    _jitc->function->call.size += STACK_SLOT;
+#endif
+    jit_dec_synth();
+}
+
+void
+_jit_pushargi_f(jit_state_t *_jit, jit_float32_t u)
+{
+    jit_int32_t		regno;
+#if !NEW_ABI
+    jit_word_t		offset;
+#endif
+    assert(_jitc->function);
+    jit_inc_synth_f(pushargi_f, u);
+    jit_link_prepare();
+#if NEW_ABI
+    if (jit_arg_reg_p(_jitc->function->call.argi)) {
+	if (!(_jitc->function->call.call & jit_call_varargs))
+	    jit_movi_f(_F12 - _jitc->function->call.argi, u);
+	else
+	    jit_movi_f_w(_A0 - _jitc->function->call.argi, u);
+	++_jitc->function->call.argi;
+    }
+    else {
+	regno = jit_get_reg(jit_class_fpr);
+	jit_movi_f(regno, u);
+	jit_stxi_f(_jitc->function->call.size, JIT_SP, regno);
+	_jitc->function->call.size += STACK_SLOT;
+	jit_unget_reg(regno);
+    }
+#else
+    offset = _jitc->function->call.size >> STACK_SHIFT;
+    if (offset < 2 && !_jitc->function->call.argi &&
+	!(_jitc->function->call.call & jit_call_varargs)) {
+	++_jitc->function->call.argf;
+	jit_movi_f(_F12 - offset, u);
+    }
+    else if (offset < 4) {
+	++_jitc->function->call.argi;
+	jit_movi_f_w(_A0 - offset, u);
+    }
+    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 += STACK_SLOT;
+#endif
+    jit_dec_synth();
+}
+
+void
+_jit_pushargr_d(jit_state_t *_jit, jit_int32_t u)
+{
+#if !NEW_ABI
+    jit_bool_t		adjust;
+    jit_word_t		offset;
+#endif
+    assert(_jitc->function);
+    jit_inc_synth_w(pushargr_d, u);
+    jit_link_prepare();
+#if NEW_ABI
+    if (jit_arg_reg_p(_jitc->function->call.argi)) {
+	if (!(_jitc->function->call.call & jit_call_varargs))
+	    jit_movr_d(_F12 - _jitc->function->call.argi, u);
+	else
+	    jit_movr_d_w(_A0 - _jitc->function->call.argi, u);
+	++_jitc->function->call.argi;
+    }
+    else {
+	jit_stxi_d(_jitc->function->call.size, JIT_SP, u);
+	_jitc->function->call.size += STACK_SLOT;
+    }
+#else
+    adjust = !!_jitc->function->call.argi;
+    if (_jitc->function->call.size & 7) {
+	_jitc->function->call.size += 4;
+	adjust = 1;
+    }
+    offset = _jitc->function->call.size >> STACK_SHIFT;
+    if (offset < 3) {
+	if (adjust || (_jitc->function->call.call & jit_call_varargs)) {
+	    jit_movr_d_ww(_A0 - offset, _A0 - (offset + 1), u);
+	    _jitc->function->call.argi += 2;
+	}
+	else {
+	    jit_movr_d(_F12 - (offset >> 1), u);
+	    ++_jitc->function->call.argf;
+	}
+    }
+    else
+	jit_stxi_d(_jitc->function->call.size, JIT_SP, u);
+    _jitc->function->call.size += sizeof(jit_float64_t);
+#endif
+    jit_dec_synth();
+}
+
+void
+_jit_pushargi_d(jit_state_t *_jit, jit_float64_t u)
+{
+    jit_int32_t		regno;
+#if !NEW_ABI
+    jit_bool_t		adjust;
+    jit_word_t		offset;
+#endif
+    assert(_jitc->function);
+    jit_inc_synth_d(pushargi_d, u);
+    jit_link_prepare();
+#if NEW_ABI
+    if (jit_arg_reg_p(_jitc->function->call.argi)) {
+	if (!(_jitc->function->call.call & jit_call_varargs))
+	    jit_movi_d(_F12 - _jitc->function->call.argi, u);
+	else
+	    jit_movi_d_w(_A0 - _jitc->function->call.argi, u);
+	++_jitc->function->call.argi;
+    }
+    else {
+	regno = jit_get_reg(jit_class_fpr);
+	jit_movi_d(regno, u);
+	jit_stxi_d(_jitc->function->call.size, JIT_SP, regno);
+	_jitc->function->call.size += STACK_SLOT;
+	jit_unget_reg(regno);
+    }
+#else
+    adjust = !!_jitc->function->call.argi;
+    if (_jitc->function->call.size & 7) {
+	_jitc->function->call.size += 4;
+	adjust = 1;
+    }
+    offset = _jitc->function->call.size >> STACK_SHIFT;
+    if (offset < 3) {
+	if (adjust || (_jitc->function->call.call & jit_call_varargs)) {
+	    jit_movi_d_ww(_A0 - offset, _A0 - (offset + 1), u);
+	    _jitc->function->call.argi += 2;
+	}
+	else {
+	    jit_movi_d(_F12 - (offset >> 1), 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_float64_t);
+#endif
+    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) {
+	if (spec & jit_class_gpr) {
+	    regno = _A0 - regno;
+	    if (regno >= 0 && regno < node->v.w)
+		return (1);
+	}
+	else if (spec & jit_class_fpr) {
+	    regno = _F12 - 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		*call;
+    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;
+    jit_movr(_T9, r0);
+    call = jit_callr(_T9);
+    call->v.w = _jitc->function->self.argi;
+#if NEW_ABI
+    call->w.w = call->v.w;
+#else
+    call->w.w = _jitc->function->self.argf;
+#endif
+    _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		*call;
+    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_movi(_T9, (jit_word_t)i0);
+    call = jit_callr(_T9);
+    call->v.w = _jitc->function->call.argi;
+#if NEW_ABI
+    call->w.w = call->v.w;
+#else
+    call->w.w = _jitc->function->call.argf;
+#endif
+    _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_extr_c(r0, JIT_RET);
+}
+
+void
+_jit_retval_uc(jit_state_t *_jit, jit_int32_t r0)
+{
+    jit_extr_uc(r0, JIT_RET);
+}
+
+void
+_jit_retval_s(jit_state_t *_jit, jit_int32_t r0)
+{
+    jit_extr_s(r0, JIT_RET);
+}
+
+void
+_jit_retval_us(jit_state_t *_jit, jit_int32_t r0)
+{
+    jit_extr_us(r0, JIT_RET);
+}
+
+void
+_jit_retval_i(jit_state_t *_jit, jit_int32_t r0)
+{
+#if __WORDSIZE == 32
+    if (r0 != JIT_RET)
+	jit_movr(r0, JIT_RET);
+#else
+    jit_extr_i(r0, JIT_RET);
+#endif
+}
+
+#if __WORDSIZE == 64
+void
+_jit_retval_ui(jit_state_t *_jit, jit_int32_t r0)
+{
+    jit_extr_ui(r0, JIT_RET);
+}
+
+void
+_jit_retval_l(jit_state_t *_jit, jit_int32_t r0)
+{
+    if (r0 != JIT_RET)
+	jit_movr(r0, JIT_RET);
+}
+#endif
+
+void
+_jit_retval_f(jit_state_t *_jit, jit_int32_t r0)
+{
+    if (r0 != JIT_FRET)
+	jit_movr_f(r0, JIT_FRET);
+}
+
+void
+_jit_retval_d(jit_state_t *_jit, jit_int32_t r0)
+{
+    if (r0 != JIT_FRET)
+	jit_movr_d(r0, JIT_FRET);
+}
+
+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_word_t	 word;
+#if DEVEL_DISASSEMBLER
+	jit_word_t	 prevw;
+#endif
+	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.patch_offset = 0;
+#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_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_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_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, type, size)					\
+	    case jit_code_##name##i##type:				\
+		assert(node->flag & jit_flag_data);			\
+		name##i##type(rn(node->u.w), rn(node->v.w),		\
+			      (jit_float##size##_t *)node->w.n->u.w);	\
+		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, type, size)					\
+	    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),		\
+				(jit_float##size##_t *)node->w.n->u.w);	\
+		else {							\
+		    word = name##i##type(_jit->pc.w, rn(node->v.w),	\
+				(jit_float##size##_t *)node->w.n->u.w);	\
+		    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_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);
+#if __WORDSIZE == 64
+		case_rr(trunc, _f_l);
+		case_rr(trunc, _d_l);
+#endif
+		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);
+#if __WORDSIZE == 64
+		case_rr(ld, _ui);
+		case_rw(ld, _ui);
+		case_rr(ld, _l);
+		case_rw(ld, _l);
+#endif
+		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);
+#if __WORDSIZE == 64
+		case_rrr(ldx, _ui);
+		case_rrw(ldx, _ui);
+		case_rrr(ldx, _l);
+		case_rrw(ldx, _l);
+#endif
+		case_rr(st, _c);
+		case_wr(st, _c);
+		case_rr(st, _s);
+		case_wr(st, _s);
+		case_rr(st, _i);
+		case_wr(st, _i);
+#if __WORDSIZE == 64
+		case_rr(st, _l);
+		case_wr(st, _l);
+#endif
+		case_rrr(stx, _c);
+		case_wrr(stx, _c);
+		case_rrr(stx, _s);
+		case_wrr(stx, _s);
+		case_rrr(stx, _i);
+		case_wrr(stx, _i);
+#if __WORDSIZE == 64
+		case_rrr(stx, _l);
+		case_wrr(stx, _l);
+#endif
+		case_rr(hton, _us);
+		case_rr(hton, _ui);
+#if __WORDSIZE == 64
+		case_rr(hton, _ul);
+#endif
+		case_rr(ext, _c);
+		case_rr(ext, _uc);
+		case_rr(ext, _s);
+		case_rr(ext, _us);
+#if __WORDSIZE == 64
+		case_rr(ext, _i);
+		case_rr(ext, _ui);
+#endif
+		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), node->v.w);
+			patch(word, node);
+		    }
+		}
+		else
+		    movi(rn(node->u.w), node->v.w);
+		break;
+		case_rr(neg,);
+		case_rr(com,);
+		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, _f, 32);
+		case_rrr(sub, _f);
+		case_rrf(sub, _f, 32);
+		case_rrf(rsb, _f, 32);
+		case_rrr(mul, _f);
+		case_rrf(mul, _f, 32);
+		case_rrr(div, _f);
+		case_rrf(div, _f, 32);
+		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(node->flag & jit_flag_data);
+		movi_f(rn(node->u.w), (jit_float32_t *)node->v.n->u.w);
+		break;
+		case_rr(ext, _d_f);
+		case_rrr(lt, _f);
+		case_rrf(lt, _f, 32);
+		case_rrr(le, _f);
+		case_rrf(le, _f, 32);
+		case_rrr(eq, _f);
+		case_rrf(eq, _f, 32);
+		case_rrr(ge, _f);
+		case_rrf(ge, _f, 32);
+		case_rrr(gt, _f);
+		case_rrf(gt, _f, 32);
+		case_rrr(ne, _f);
+		case_rrf(ne, _f, 32);
+		case_rrr(unlt, _f);
+		case_rrf(unlt, _f, 32);
+		case_rrr(unle, _f);
+		case_rrf(unle, _f, 32);
+		case_rrr(uneq, _f);
+		case_rrf(uneq, _f, 32);
+		case_rrr(unge, _f);
+		case_rrf(unge, _f, 32);
+		case_rrr(ungt, _f);
+		case_rrf(ungt, _f, 32);
+		case_rrr(ltgt, _f);
+		case_rrf(ltgt, _f, 32);
+		case_rrr(ord, _f);
+		case_rrf(ord, _f, 32);
+		case_rrr(unord, _f);
+		case_rrf(unord, _f, 32);
+		case_brr(blt, _f);
+		case_brf(blt, _f, 32);
+		case_brr(ble, _f);
+		case_brf(ble, _f, 32);
+		case_brr(beq, _f);
+		case_brf(beq, _f, 32);
+		case_brr(bge, _f);
+		case_brf(bge, _f, 32);
+		case_brr(bgt, _f);
+		case_brf(bgt, _f, 32);
+		case_brr(bne, _f);
+		case_brf(bne, _f, 32);
+		case_brr(bunlt, _f);
+		case_brf(bunlt, _f, 32);
+		case_brr(bunle, _f);
+		case_brf(bunle, _f, 32);
+		case_brr(buneq, _f);
+		case_brf(buneq, _f, 32);
+		case_brr(bunge, _f);
+		case_brf(bunge, _f, 32);
+		case_brr(bungt, _f);
+		case_brf(bungt, _f, 32);
+		case_brr(bltgt, _f);
+		case_brf(bltgt, _f, 32);
+		case_brr(bord, _f);
+		case_brf(bord, _f, 32);
+		case_brr(bunord, _f);
+		case_brf(bunord, _f, 32);
+		case_rrr(add, _d);
+		case_rrf(add, _d, 64);
+		case_rrr(sub, _d);
+		case_rrf(sub, _d, 64);
+		case_rrf(rsb, _d, 64);
+		case_rrr(mul, _d);
+		case_rrf(mul, _d, 64);
+		case_rrr(div, _d);
+		case_rrf(div, _d, 64);
+		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(node->flag & jit_flag_data);
+		movi_d(rn(node->u.w), (jit_float64_t *)node->v.n->u.w);
+		break;
+		case_rr(ext, _f_d);
+		case_rrr(lt, _d);
+		case_rrf(lt, _d, 64);
+		case_rrr(le, _d);
+		case_rrf(le, _d, 64);
+		case_rrr(eq, _d);
+		case_rrf(eq, _d, 64);
+		case_rrr(ge, _d);
+		case_rrf(ge, _d, 64);
+		case_rrr(gt, _d);
+		case_rrf(gt, _d, 64);
+		case_rrr(ne, _d);
+		case_rrf(ne, _d, 64);
+		case_rrr(unlt, _d);
+		case_rrf(unlt, _d, 64);
+		case_rrr(unle, _d);
+		case_rrf(unle, _d, 64);
+		case_rrr(uneq, _d);
+		case_rrf(uneq, _d, 64);
+		case_rrr(unge, _d);
+		case_rrf(unge, _d, 64);
+		case_rrr(ungt, _d);
+		case_rrf(ungt, _d, 64);
+		case_rrr(ltgt, _d);
+		case_rrf(ltgt, _d, 64);
+		case_rrr(ord, _d);
+		case_rrf(ord, _d, 64);
+		case_rrr(unord, _d);
+		case_rrf(unord, _d, 64);
+		case_brr(blt, _d);
+		case_brf(blt, _d, 64);
+		case_brr(ble, _d);
+		case_brf(ble, _d, 64);
+		case_brr(beq, _d);
+		case_brf(beq, _d, 64);
+		case_brr(bge, _d);
+		case_brf(bge, _d, 64);
+		case_brr(bgt, _d);
+		case_brf(bgt, _d, 64);
+		case_brr(bne, _d);
+		case_brf(bne, _d, 64);
+		case_brr(bunlt, _d);
+		case_brf(bunlt, _d, 64);
+		case_brr(bunle, _d);
+		case_brf(bunle, _d, 64);
+		case_brr(buneq, _d);
+		case_brf(buneq, _d, 64);
+		case_brr(bunge, _d);
+		case_brf(bunge, _d, 64);
+		case_brr(bungt, _d);
+		case_brf(bungt, _d, 64);
+		case_brr(bltgt, _d);
+		case_brf(bltgt, _d, 64);
+		case_brr(bord, _d);
+		case_brf(bord, _d, 64);
+		case_brr(bunord, _d);
+		case_brf(bunord, _d, 64);
+	    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(_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);
+		    word = calli_p(temp->u.w);
+		    if (!(temp->flag & jit_flag_patch))
+			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;
+#if !NEW_ABI
+	    case jit_code_movr_w_f:
+		movr_w_f(rn(node->u.w), rn(node->v.w));
+		break;
+#endif
+	    case jit_code_movr_f_w:
+		movr_f_w(rn(node->u.w), rn(node->v.w));
+		break;
+	    case jit_code_movi_f_w:
+		assert(node->flag & jit_flag_data);
+		movi_f_w(rn(node->u.w), (jit_float32_t *)node->v.n->u.w);
+		break;
+#if NEW_ABI
+	    case jit_code_movr_d_w:
+		movr_d_w(rn(node->u.w), rn(node->v.w));
+		break;
+	    case jit_code_movi_d_w:
+		assert(node->flag & jit_flag_data);
+		movi_d_w(rn(node->u.w), (jit_float64_t *)node->v.n->u.w);
+		break;
+#else
+	    case jit_code_movr_ww_d:
+		movr_ww_d(rn(node->u.w), rn(node->v.w), rn(node->w.w));
+		break;
+	    case jit_code_movr_d_ww:
+		movr_d_ww(rn(node->u.w), rn(node->v.w), rn(node->w.w));
+		break;
+	    case jit_code_movi_d_ww:
+		assert(node->flag & jit_flag_data);
+		movi_d_ww(rn(node->u.w), rn(node->v.w),
+			  (jit_float64_t *)node->w.n->u.w);
+		break;
+#endif
+	    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_arg:			case jit_code_ellipsis:
+	    case jit_code_va_push:
+	    case jit_code_allocai:		case jit_code_allocar:
+	    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:
+#if __WORDSIZE == 64
+	    case jit_code_getarg_ui:		case jit_code_getarg_l:
+#endif
+	    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:
+#if __WORDSIZE == 64
+	    case jit_code_retval_ui:		case jit_code_retval_l:
+#endif
+	    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();
+	}
+	if (jit_carry != _NOREG) {
+	    switch (node->code) {
+		case jit_code_note:
+		case jit_code_addcr:		case jit_code_addci:
+		case jit_code_addxr:		case jit_code_addxi:
+		case jit_code_subcr:		case jit_code_subci:
+		case jit_code_subxr:		case jit_code_subxi:
+		    break;
+		default:
+		    jit_unget_reg(jit_carry);
+		    jit_carry = _NOREG;
+		    break;
+	    }
+	}
+	jit_regarg_clr(node, value);
+	assert(_jitc->regarg == 0 ||
+	       (jit_carry != _NOREG && _jitc->regarg == (1 << jit_carry)));
+	assert(_jitc->synth == 0);
+	/* update register live state */
+	jit_reglive(node);
+    }
+#undef case_brf
+#undef case_brw
+#undef case_brr
+#undef case_wrr
+#undef case_rrf
+#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 = node->code == jit_code_movi ? node->v.n->u.w : node->u.n->u.w;
+	patch_at(_jitc->patches.ptr[offset].inst, word);
+    }
+
+    jit_flush(_jit->code.ptr, _jit->pc.uc);
+
+    return (_jit->code.ptr);
+}
+
+#define CODE				1
+#  include "jit_rewind.c"
+#  include "jit_mips-cpu.c"
+#  include "jit_mips-fpu.c"
+#undef CODE
+
+void
+jit_flush(void *fptr, void *tptr)
+{
+#if defined(__linux__)
+    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;
+    _flush_cache((void *)f, t - f, ICACHE);
+#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;
+}