From 4a71579b757d3a2eb6902c84391f429838ad4912 Mon Sep 17 00:00:00 2001
From: Paul Cercueil
Date: Thu, 30 Jan 2020 12:33:44 -0300
Subject: git subrepo clone https://git.savannah.gnu.org/git/lightning.git
 deps/lightning

subrepo:
  subdir:   "deps/lightning"
  merged:   "b0b8eb5"
upstream:
  origin:   "https://git.savannah.gnu.org/git/lightning.git"
  branch:   "master"
  commit:   "b0b8eb5"
git-subrepo:
  version:  "0.4.1"
  origin:   "https://github.com/ingydotnet/git-subrepo.git"
  commit:   "a04d8c2"
---
 deps/lightning/lib/jit_ia64.c | 1769 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 1769 insertions(+)
 create mode 100644 deps/lightning/lib/jit_ia64.c

(limited to 'deps/lightning/lib/jit_ia64.c')

diff --git a/deps/lightning/lib/jit_ia64.c b/deps/lightning/lib/jit_ia64.c
new file mode 100644
index 0000000..9207d81
--- /dev/null
+++ b/deps/lightning/lib/jit_ia64.c
@@ -0,0 +1,1769 @@
+/*
+ * 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
+ */
+
+#include <lightning.h>
+#include <lightning/jit_private.h>
+
+#define jit_arg_reg_p(i)		((i) >= 0 && (i) < 8)
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+#  define C_DISP			0
+#  define S_DISP			0
+#  define I_DISP			0
+#  define F_DISP			0
+#else
+#  define C_DISP			8 - sizeof(jit_int8_t)
+#  define S_DISP			8 - sizeof(jit_int16_t)
+#  define I_DISP			8 - sizeof(jit_int32_t)
+#  define F_DISP			8 - sizeof(jit_float32_t)
+#endif
+
+/*
+ * Types
+ */
+typedef jit_pointer_t 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*);
+
+#if defined(__GNUC__)
+/* libgcc */
+extern void __clear_cache(void *, void *);
+#endif
+
+#define PROTO				1
+#  include "jit_ia64-cpu.c"
+#  include "jit_ia64-fpu.c"
+#undef PROTO
+
+/*
+ * Initialization
+ */
+jit_register_t		_rvs[] = {
+    /* Always 0 */
+    { 0,		 "r0"  },
+    /* Global Pointer */
+    { rc(sav)|1,	 "r1"  },
+    /* Used when a register cannot be allocated */
+    { 2,		 "r2"  },
+    /* First scratch register */
+    { rc(gpr)|3,	 "r3"  },
+    /* Use r4 as lightning fp register */
+    { rc(sav)|4,	 "r4"  },
+    /* Do not touch callee save registers not automatically spill/reloaded */
+    { rc(sav)|5,	 "r5"  },	{ rc(sav)|6,		"r6"  },
+    { rc(sav)|7,	 "r7"  },
+    /* Do not touch return register for the sake of simplicity, besides
+     * having JIT_R0 being the same as JIT_RET usually an optimization */
+    { 8,		 "r8"  },
+    /* Return registers, use as temporaries */
+    { rc(gpr)|9,	 "r9"  },
+    { rc(gpr)|10,	 "r10" },	{ rc(gpr)|11,		"r11" },
+    /* Stack pointer */
+    { rc(sav)|12,	 "r12" },
+    /* Thread pointer */
+    { rc(sav)|13,	 "r13" },
+    /* (Usually) assembly temporaries */
+    { rc(gpr)|31,	 "r31" },	{ rc(gpr)|30,		"r30" },
+    { rc(gpr)|29,	 "r29" },	{ rc(gpr)|28,		"r28" },
+    { rc(gpr)|27,	 "r27" },	{ rc(gpr)|26,		"r26" },
+    { rc(gpr)|25,	 "r25" },	{ rc(gpr)|24,		"r24" },
+    { rc(gpr)|23,	 "r23" },	{ rc(gpr)|22,		"r22" },
+    { rc(gpr)|21,	 "r21" },	{ rc(gpr)|20,		"r20" },
+    { rc(gpr)|19,	 "r19" },	{ rc(gpr)|18,		"r18" },
+    { rc(gpr)|17,	 "r17" },	{ rc(gpr)|16,		"r16" },
+    { rc(gpr)|15,	 "r15" },	{ rc(gpr)|14,		"r14" },
+    /* Do not allow allocating r32-r41 as temoraries for the sake of
+     * avoiding the need of extra complexity  in the non backend code */
+    { rc(arg)|32,	 "r32" },	{ rc(arg)|33,		"r33" },
+    { rc(arg)|34,	 "r34" },	{ rc(arg)|35,		"r35" },
+    { rc(arg)|36,	 "r36" },	{ rc(arg)|37,		"r37" },
+    { rc(arg)|38,	 "r38" },	{ rc(arg)|39,		"r39" },
+    /* JIT_R0-JIT_V3 */
+    { rc(gpr)|rc(sav)|40, "r40" },	{ rc(gpr)|rc(sav)|41,	"r41" },
+    { rc(gpr)|rc(sav)|42, "r42" },	{ rc(gpr)|rc(sav)|43,	"r43" },
+    { rc(gpr)|rc(sav)|44, "r44" },	{ rc(gpr)|rc(sav)|45,	"r45" },
+    { rc(gpr)|rc(sav)|46, "r46" },	{ rc(gpr)|rc(sav)|47,	"r47" },
+    /* Temporaries/locals */
+    { rc(gpr)|rc(sav)|48, "r48" },	{ rc(gpr)|rc(sav)|49,	"r49" },
+    { rc(gpr)|rc(sav)|50, "r50" },	{ rc(gpr)|rc(sav)|51,	"r51" },
+    { rc(gpr)|rc(sav)|52, "r52" },	{ rc(gpr)|rc(sav)|53,	"r53" },
+    { rc(gpr)|rc(sav)|54, "r54" },	{ rc(gpr)|rc(sav)|55,	"r55" },
+    { rc(gpr)|rc(sav)|56, "r56" },	{ rc(gpr)|rc(sav)|57,	"r57" },
+    { rc(gpr)|rc(sav)|58, "r58" },	{ rc(gpr)|rc(sav)|59,	"r59" },
+    { rc(gpr)|rc(sav)|60, "r60" },	{ rc(gpr)|rc(sav)|61,	"r61" },
+    { rc(gpr)|rc(sav)|62, "r62" },	{ rc(gpr)|rc(sav)|63,	"r63" },
+    { rc(gpr)|rc(sav)|64, "r64" },	{ rc(gpr)|rc(sav)|65,	"r65" },
+    { rc(gpr)|rc(sav)|66, "r66" },	{ rc(gpr)|rc(sav)|67,	"r67" },
+    { rc(gpr)|rc(sav)|68, "r68" },	{ rc(gpr)|rc(sav)|69,	"r69" },
+    { rc(gpr)|rc(sav)|70, "r70" },	{ rc(gpr)|rc(sav)|71,	"r71" },
+    { rc(gpr)|rc(sav)|72, "r72" },	{ rc(gpr)|rc(sav)|73,	"r73" },
+    { rc(gpr)|rc(sav)|74, "r74" },	{ rc(gpr)|rc(sav)|75,	"r75" },
+    { rc(gpr)|rc(sav)|76, "r76" },	{ rc(gpr)|rc(sav)|77,	"r77" },
+    { rc(gpr)|rc(sav)|78, "r78" },	{ rc(gpr)|rc(sav)|79,	"r79" },
+    { rc(gpr)|rc(sav)|80, "r80" },	{ rc(gpr)|rc(sav)|81,	"r81" },
+    { rc(gpr)|rc(sav)|82, "r82" },	{ rc(gpr)|rc(sav)|83,	"r83" },
+    { rc(gpr)|rc(sav)|84, "r84" },	{ rc(gpr)|rc(sav)|85,	"r85" },
+    { rc(gpr)|rc(sav)|86, "r86" },	{ rc(gpr)|rc(sav)|87,	"r87" },
+    { rc(gpr)|rc(sav)|88, "r88" },	{ rc(gpr)|rc(sav)|89,	"r89" },
+    { rc(gpr)|rc(sav)|90, "r90" },	{ rc(gpr)|rc(sav)|91,	"r91" },
+    { rc(gpr)|rc(sav)|92, "r92" },	{ rc(gpr)|rc(sav)|93,	"r93" },
+    { rc(gpr)|rc(sav)|94, "r94" },	{ rc(gpr)|rc(sav)|95,	"r95" },
+    { rc(gpr)|rc(sav)|96, "r96" },	{ rc(gpr)|rc(sav)|97,	"r97" },
+    { rc(gpr)|rc(sav)|98, "r98" },	{ rc(gpr)|rc(sav)|99,	"r99" },
+    { rc(gpr)|rc(sav)|100,"r100"},	{ rc(gpr)|rc(sav)|101,	"r101"},
+    { rc(gpr)|rc(sav)|102,"r102"},	{ rc(gpr)|rc(sav)|103,	"r103"},
+    { rc(gpr)|rc(sav)|104,"r104"},	{ rc(gpr)|rc(sav)|105,	"r105"},
+    { rc(gpr)|rc(sav)|106,"r106"},	{ rc(gpr)|rc(sav)|107,	"r107"},
+    { rc(gpr)|rc(sav)|108,"r108"},	{ rc(gpr)|rc(sav)|109,	"r109"},
+    { rc(gpr)|rc(sav)|110,"r110"},	{ rc(gpr)|rc(sav)|111,	"r111"},
+    { rc(gpr)|rc(sav)|112,"r112"},	{ rc(gpr)|rc(sav)|113,	"r113"},
+    { rc(gpr)|rc(sav)|114,"r114"},
+    /* Do not enable these because no matter what, want 13 free registers,
+     * 5 for prolog and epilog and 8 for outgoing arguments */
+    { 115,		 "r115"},
+    { 116,		 "r116"},	{ 117,			"r117"},
+    { 118,		 "r118"},	{ 119,			"r119"},
+    { 120,		 "r120"},	{ 121,			"r121"},
+    { 122,		 "r122"},	{ 123,			"r123"},
+    { 124,		 "r124"},	{ 125,			"r125"},
+    { 126,		 "r126"},	{ 127,			"r127"},
+    /* Always 0.0 */
+    { 0,		 "f0"  },
+    /* Always 1.0 */
+    { 1,		 "f1"  },
+    /* Do not touch callee save registers not automatically spill/reloaded */
+    { rc(sav)|2,	 "f2"  },	{ rc(sav)|3,		"f3"  },
+    { rc(sav)|4,	 "f4"  },	{ rc(sav)|5,		"f5"  },
+    /* Scratch */
+    { rc(fpr)|6,	 "f6"  },	{ rc(fpr)|7,		"f7"  },
+    /* Do not allocate for the sake of simplification */
+    { rc(arg)|8,	 "f8"  },
+    /* Scratch - Argument/return registers */
+    { rc(arg)|9,	 "f9"  },
+    { rc(arg)|10,	 "f10" },	{ rc(arg)|11,		"f11" },
+    { rc(arg)|12,	 "f12" },	{ rc(arg)|13,		"f13" },
+    { rc(arg)|14,	 "f14" },	{ rc(arg)|15,		"f15" },
+    /* Do not touch callee save registers not automatically spill/reloaded */
+    { rc(sav)|16,	 "f16" },	{ rc(sav)|17,		"f17" },
+    { rc(sav)|18,	 "f18" },	{ rc(sav)|19,		"f19" },
+    { rc(sav)|20,	 "f20" },	{ rc(sav)|21,		"f21" },
+    { rc(sav)|22,	 "f22" },	{ rc(sav)|23,		"f23" },
+    { rc(sav)|24,	 "f24" },	{ rc(sav)|25,		"f25" },
+    { rc(sav)|26,	 "f26" },	{ rc(sav)|27,		"f27" },
+    { rc(sav)|28,	 "f28" },	{ rc(sav)|29,		"f29" },
+    { rc(sav)|30,	 "f30" },	{ rc(sav)|31,		"f31" },
+    /* Scratch */
+    { rc(fpr)|32,	 "f32" },	{ rc(fpr)|33,		"f33" },
+    { rc(fpr)|34,	 "f34" },	{ rc(fpr)|35,		"f35" },
+    { rc(fpr)|36,	 "f36" },	{ rc(fpr)|37,		"f37" },
+    { rc(fpr)|38,	 "f38" },	{ rc(fpr)|39,		"f39" },
+    { rc(fpr)|40,	 "f40" },	{ rc(fpr)|41,		"f41" },
+    { rc(fpr)|42,	 "f42" },	{ rc(fpr)|43,		"f43" },
+    { rc(fpr)|44,	 "f44" },	{ rc(fpr)|45,		"f45" },
+    { rc(fpr)|46,	 "f46" },	{ rc(fpr)|47,		"f47" },
+    { rc(fpr)|48,	 "f48" },	{ rc(fpr)|49,		"f49" },
+    { rc(fpr)|50,	 "f50" },	{ rc(fpr)|51,		"f51" },
+    { rc(fpr)|52,	 "f52" },	{ rc(fpr)|53,		"f53" },
+    { rc(fpr)|54,	 "f54" },	{ rc(fpr)|55,		"f55" },
+    { rc(fpr)|56,	 "f56" },	{ rc(fpr)|57,		"f57" },
+    { rc(fpr)|58,	 "f58" },	{ rc(fpr)|59,		"f59" },
+    { rc(fpr)|60,	 "f60" },	{ rc(fpr)|61,		"f61" },
+    { rc(fpr)|62,	 "f62" },	{ rc(fpr)|63,		"f63" },
+    { rc(fpr)|64,	 "f64" },	{ rc(fpr)|65,		"f65" },
+    { rc(fpr)|66,	 "f66" },	{ rc(fpr)|67,		"f67" },
+    { rc(fpr)|68,	 "f68" },	{ rc(fpr)|69,		"f69" },
+    { rc(fpr)|70,	 "f70" },	{ rc(fpr)|71,		"f71" },
+    { rc(fpr)|72,	 "f72" },	{ rc(fpr)|73,		"f73" },
+    { rc(fpr)|74,	 "f74" },	{ rc(fpr)|75,		"f75" },
+    { rc(fpr)|76,	 "f76" },	{ rc(fpr)|77,		"f77" },
+    { rc(fpr)|78,	 "f78" },	{ rc(fpr)|79,		"f79" },
+    { rc(fpr)|80,	 "f80" },	{ rc(fpr)|81,		"f81" },
+    { rc(fpr)|82,	 "f82" },	{ rc(fpr)|83,		"f83" },
+    { rc(fpr)|84,	 "f84" },	{ rc(fpr)|85,		"f85" },
+    { rc(fpr)|86,	 "f86" },	{ rc(fpr)|87,		"f87" },
+    { rc(fpr)|88,	 "f88" },	{ rc(fpr)|89,		"f89" },
+    { rc(fpr)|90,	 "f90" },	{ rc(fpr)|91,		"f91" },
+    { rc(fpr)|92,	 "f92" },	{ rc(fpr)|93,		"f93" },
+    { rc(fpr)|94,	 "f94" },	{ rc(fpr)|95,		"f95" },
+    { rc(fpr)|96,	 "f96" },	{ rc(fpr)|97,		"f97" },
+    { rc(fpr)|98,	 "f98" },	{ rc(fpr)|99,		"f99" },
+    { rc(fpr)|100,	 "f100"},	{ rc(fpr)|101,		"f101"},
+    { rc(fpr)|102,	 "f102"},	{ rc(fpr)|103,		"f103"},
+    { rc(fpr)|104,	 "f104"},	{ rc(fpr)|105,		"f105"},
+    { rc(fpr)|106,	 "f106"},	{ rc(fpr)|107,		"f107"},
+    { rc(fpr)|108,	 "f108"},	{ rc(fpr)|109,		"f109"},
+    { rc(fpr)|110,	 "f110"},	{ rc(fpr)|111,		"f111"},
+    { rc(fpr)|112,	 "f112"},	{ rc(fpr)|113,		"f113"},
+    { rc(fpr)|114,	 "f114"},	{ rc(fpr)|115,		"f115"},
+    { rc(fpr)|116,	 "f116"},	{ rc(fpr)|117,		"f117"},
+    { rc(fpr)|118,	 "f118"},	{ rc(fpr)|119,		"f119"},
+#if 0
+    /* commented to fit a jit_regset_t in 256 bits, so that the fake
+     * O0-O7 registers are easily patched when an argument is pushed */
+    { rc(fpr)|120,	 "f120"},	{ rc(fpr)|121,		"f121"},
+    { rc(fpr)|122,	 "f122"},	{ rc(fpr)|123,		"f123"},
+    { rc(fpr)|124,	 "f124"},	{ rc(fpr)|125,		"f125"},
+    { rc(fpr)|126,	 "f126"},	{ rc(fpr)|127,		"f127"},
+#endif
+    /* Fake registers to patch in movr and movi arguments */
+    { rc(arg)|120,	 "o0"  },	{ rc(arg)|121,		"o1"  },
+    { rc(arg)|122,	 "o2"  },	{ rc(arg)|123,		"o3"  },
+    { rc(arg)|124,	 "o4"  },	{ rc(arg)|125,		"o5"  },
+    { rc(arg)|126,	 "o6"  },	{ rc(arg)|127,		"o7"  },
+    { _NOREG,		 "<none>" },
+};
+
+/*
+ * Implementation
+ */
+void
+jit_get_cpu(void)
+{
+}
+
+void
+_jit_init(jit_state_t *_jit)
+{
+    _jitc->reglen = jit_size(_rvs) - 1;
+    jit_regset_new(&_jitc->regs);
+    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++;
+    /* params_offset << 1, once for ours arguments, once for arguments
+     * to any called function; required because offsets are computed
+     * as JIT_FP displacement */
+    _jitc->function->self.size = stack_framesize + (params_offset << 1);
+    _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, -16);
+    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);
+    jit_movr(JIT_RET, u);
+    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);
+    jit_movr_f(JIT_FRET, u);
+    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);
+    jit_movr_d(JIT_FRET, u);
+    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)
+{
+    assert(u->code == jit_code_arg ||
+	   u->code == jit_code_arg_f || u->code == jit_code_arg_d);
+    return (jit_arg_reg_p(u->u.w));
+}
+
+void
+_jit_ellipsis(jit_state_t *_jit)
+{
+    jit_inc_synth(ellipsis);
+    if (_jitc->prepare) {
+	assert(!(_jitc->function->call.call & jit_call_varargs));
+	_jitc->function->call.call |= jit_call_varargs;
+	jit_link_prepare();
+    }
+    else {
+	assert(!(_jitc->function->self.call & jit_call_varargs));
+	_jitc->function->self.call |= jit_call_varargs;
+	_jitc->function->vagp = _jitc->function->self.argi;
+	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)
+{
+    jit_node_t		*node;
+    jit_int32_t		 offset;
+    assert(_jitc->function);
+    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);
+    if (jit_arg_reg_p(_jitc->function->self.argi)) {
+	if (!(_jitc->function->self.call & jit_call_varargs))
+	    offset = 8 + _jitc->function->self.argf++;
+	else
+	    offset = _jitc->function->self.argi;
+	++_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_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);
+    if (jit_arg_reg_p(_jitc->function->self.argi)) {
+	if (!(_jitc->function->self.call & jit_call_varargs))
+	    offset = 8 + _jitc->function->self.argf++;
+	else
+	    offset = _jitc->function->self.argi;
+	++_jitc->function->self.argi;
+    }
+   else {
+	offset = _jitc->function->self.size;
+	_jitc->function->self.size += sizeof(jit_float64_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, _R32 + v->u.w);
+    else
+	jit_ldxi_c(u, JIT_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, _R32 + v->u.w);
+    else
+	jit_ldxi_uc(u, JIT_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, _R32 + v->u.w);
+    else
+	jit_ldxi_s(u, JIT_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, _R32 + v->u.w);
+    else
+	jit_ldxi_us(u, JIT_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))
+	jit_extr_i(u, _R32 + v->u.w);
+    else
+	jit_ldxi_i(u, JIT_FP, v->u.w + I_DISP);
+    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, _R32 + v->u.w);
+    else
+	jit_ldxi_ui(u, JIT_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, _R32 + v->u.w);
+    else
+	jit_ldxi(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(_R32 + 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(_R32 + 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_w_f(u, _OUT0 + v->u.w);
+    else if (jit_arg_reg_p(v->u.w - 8))
+	jit_movr_f(u, _F8 + (v->u.w - 8));
+    else
+	jit_ldxi_f(u, JIT_FP, v->u.w + F_DISP);
+    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_reg_p(v->u.w))
+	jit_movr_f_w(_OUT0 + v->u.w, u);
+    else if (jit_arg_reg_p(v->u.w - 8))
+	jit_movr_f(_F8 + (v->u.w - 8), u);
+    else
+	jit_stxi_f(v->u.w, JIT_FP, u + F_DISP);
+    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_reg_p(v->u.w))
+	jit_movi_f_w(_OUT0 + v->u.w, u);
+    else if (jit_arg_reg_p(v->u.w - 8))
+	jit_movi_f(_F8 + (v->u.w - 8), u);
+    else {
+	regno = jit_get_reg(jit_class_fpr);
+	jit_movi_f(regno, u);
+	jit_stxi_f(v->u.w, JIT_FP, regno + F_DISP);
+	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_reg_p(v->u.w))
+	jit_movr_w_d(u, _OUT0 + v->u.w);
+    else if (jit_arg_reg_p(v->u.w - 8))
+	jit_movr_d(u, _F8 + (v->u.w - 8));
+    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_w(_OUT0 + v->u.w, u);
+    else if (jit_arg_reg_p(v->u.w - 8))
+	jit_movr_d(_F8 + (v->u.w - 8), 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_w(_OUT0 + v->u.w, u);
+    else if (jit_arg_reg_p(v->u.w - 8))
+	jit_movi_d(_F8 + (v->u.w - 8), 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(_OUT0 + _jitc->function->call.argi, u);
+	++_jitc->function->call.argi;
+    }
+    else {
+	jit_stxi(_jitc->function->call.size + params_offset, 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(_OUT0 + _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 + params_offset, JIT_SP, regno);
+	_jitc->function->call.size += sizeof(jit_word_t);
+	jit_unget_reg(regno);
+    }
+    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_reg_p(_jitc->function->call.argi)) {
+	if (!(_jitc->function->call.call & jit_call_varargs)) {
+	    jit_movr_f(_F8 + _jitc->function->call.argf, u);
+	    ++_jitc->function->call.argf;
+	}
+	else
+	    jit_movr_f_w(_OUT0 + _jitc->function->call.argi, u);
+	++_jitc->function->call.argi;
+    }
+    else {
+	jit_stxi_f(_jitc->function->call.size + params_offset + F_DISP,
+		   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_reg_p(_jitc->function->call.argi)) {
+	if (!(_jitc->function->call.call & jit_call_varargs)) {
+	    jit_movi_f(_F8 + _jitc->function->call.argf, u);
+	    ++_jitc->function->call.argf;
+	}
+	else
+	    jit_movi_f_w(_OUT0 + _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 + params_offset + F_DISP,
+		   JIT_SP, regno);
+	_jitc->function->call.size += sizeof(jit_word_t);
+	jit_unget_reg(regno);
+    }
+    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_reg_p(_jitc->function->call.argi)) {
+	if (!(_jitc->function->call.call & jit_call_varargs)) {
+	    jit_movr_d(_F8 + _jitc->function->call.argf, u);
+	    ++_jitc->function->call.argf;
+	}
+	else
+	    jit_movr_d_w(_OUT0 + _jitc->function->call.argi, u);
+	++_jitc->function->call.argi;
+    }
+    else {
+	jit_stxi_d(_jitc->function->call.size + params_offset, JIT_SP, u);
+	_jitc->function->call.size += sizeof(jit_float64_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_reg_p(_jitc->function->call.argi)) {
+	if (!(_jitc->function->call.call & jit_call_varargs)) {
+	    jit_movi_d(_F8 + _jitc->function->call.argf, u);
+	    ++_jitc->function->call.argf;
+	}
+	else
+	    jit_movi_d_w(_OUT0 + _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 + params_offset, JIT_SP, regno);
+	_jitc->function->call.size += sizeof(jit_float64_t);
+	jit_unget_reg(regno);
+    }
+    jit_dec_synth();
+}
+
+jit_bool_t
+_jit_regarg_p(jit_state_t *_jit, jit_node_t *node, jit_int32_t regno)
+{
+    /* Argument registers are allocated from the pool of unused registers */
+    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;
+    call = jit_callr(r0);
+    call->v.w = _jitc->function->call.argi;
+    call->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);
+    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_l, r0);
+    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);
+    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_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;
+	jit_word_t	 prolog_offset;
+    } undo;
+#if DEVEL_DISASSEMBLER
+    jit_word_t		 prevw;
+#endif
+
+    _jitc->function = NULL;
+
+    /* If did resize the code buffer, these were not reset */
+    _jitc->ioff = 0;
+    jit_regset_set_ui(&_jitc->regs, 0);
+    _jitc->pred = 0;
+
+    jit_reglive_setup();
+
+    undo.word = 0;
+    undo.node = NULL;
+    undo.patch_offset = 0;
+
+#if DEVEL_DISASSEMBLER
+    prevw = _jit->pc.w;
+#endif
+    undo.prolog_offset = 0;
+    for (node = _jitc->head; node; node = node->next)
+	if (node->code != jit_code_label &&
+	    node->code != jit_code_note &&
+	    node->code != jit_code_name)
+	    break;
+    if (node && (node->code != jit_code_prolog ||
+		 !(_jitc->functions.ptr + node->w.w)->assume_frame)) {
+	/* code may start with a jump so add an initial function descriptor */
+	word = _jit->pc.w + 16;
+	il(word);		/* addr */
+	il(0);			/* gp */
+    }
+#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, 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
+    for (node = _jitc->head; node; node = node->next) {
+	if (_jit->pc.uc >= _jitc->code.end)
+	    return (NULL);
+
+	value = jit_classify(node->code);
+#if GET_JIT_SIZE
+	sync();
+#endif
+#if DEVEL_DISASSEMBLER
+	/* FIXME DEVEL_DISASSEMBLER should become DISASSEMBLER,
+	 * but a "real" DEVEL_DISASSEMBLER should be required
+	 * to turn the below "#if 0" into "#if 1" */
+#  if 0		/* Since disassembly outputs 3 instructions at a time,
+		 * make it "#if 1" for more clear debug output. */
+	sync();
+#  endif
+	node->offset = (jit_uword_t)_jit->pc.w - (jit_uword_t)prevw;
+	prevw = _jit->pc.w;
+#endif
+	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));
+		/* nothing done */
+		break;
+	    case jit_code_note:		case jit_code_name:
+		sync();
+		node->u.w = _jit->pc.w;
+		break;
+	    case jit_code_label:
+		sync();
+		/* 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(subx,);
+		case_rrw(subx,);
+		case_rrw(rsb,);
+		case_rrr(subc,);
+		case_rrw(subc,);
+		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_rrr(rem,);
+		case_rrw(rem,);
+		case_rrr(rem, _u);
+		case_rrw(rem, _u);
+		case_rrrr(qdiv,);
+		case_rrrw(qdiv,);
+		case_rrrr(qdiv, _u);
+		case_rrrw(qdiv, _u);
+		case_rrr(and,);
+		case_rrw(and,);
+		case_rrr(or,);
+		case_rrw(or,);
+		case_rrr(xor,);
+		case_rrw(xor,);
+		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_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(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(trunc, _f_i);
+		case_rr(trunc, _d_i);
+		case_rr(trunc, _f_l);
+		case_rr(trunc, _d_l);
+		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_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_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(bms,);
+		case_brw(bms,);
+		case_brr(bmc,);
+		case_brw(bmc,);
+		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_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(ext, _f);
+		case_rr(abs, _f);
+		case_rr(neg, _f);
+		case_rr(sqrt, _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(ext, _d);
+		case_rr(abs, _d);
+		case_rr(neg, _d);
+		case_rr(sqrt, _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) {
+		    if (_jit->pc.uc == _jit->code.ptr + 16)
+			_jitc->jump = 1;
+		    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);
+		    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:
+		jit_regset_set_ui(&_jitc->regs, 0);
+		_jitc->pred = 0;
+		sync();
+		_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;
+		undo.prolog_offset = _jitc->prolog.offset;
+	    restart_function:
+		_jitc->again = 0;
+		if (_jitc->jump && !_jitc->function->assume_frame) {
+		    /* remember prolog to hide offset adjustment for a jump
+		     * to the start of a function, what is expected to be
+		     * a common practice as first jit instruction */
+		    if (_jitc->prolog.offset >= _jitc->prolog.length) {
+			_jitc->prolog.length += 16;
+			jit_realloc((jit_pointer_t *)&_jitc->prolog.ptr,
+				    (_jitc->prolog.length - 16) *
+				    sizeof(jit_word_t),
+				    _jitc->prolog.length * sizeof(jit_word_t));
+		    }
+		    _jitc->prolog.ptr[_jitc->prolog.offset++] = _jit->pc.w;
+		    /* function descriptor */
+		    word = _jit->pc.w + 16;
+		    il(word);			/* addr */
+		    il(0);			/* gp */
+		}
+		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;
+		    _jitc->prolog.offset = undo.prolog_offset;
+		    _jitc->ioff = 0;
+		    jit_regset_set_ui(&_jitc->regs, 0);
+		    _jitc->pred = 0;
+		    goto restart_function;
+		}
+		/* remember label is defined */
+		sync();
+		node->flag |= jit_flag_patch;
+		node->u.w = _jit->pc.w;
+		epilog(node);
+		jit_regset_set_ui(&_jitc->regs, 0);
+		_jitc->pred = 0;
+		_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_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:		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;
+	    case jit_code_movr_w_f:
+		movr_w_f(rn(node->u.w), rn(node->v.w));
+		break;
+	    case jit_code_movr_f_w:
+		movr_f_w(rn(node->u.w), rn(node->v.w));
+		break;
+	    case jit_code_movr_w_d:
+		movr_w_d(rn(node->u.w), rn(node->v.w));
+		break;
+	    case jit_code_movr_d_w:
+		movr_d_w(rn(node->u.w), rn(node->v.w));
+		break;
+	    case jit_code_movi_f_w:
+		movi_f_w(rn(node->u.w), node->v.n->u.p);
+		break;
+	    case jit_code_movi_d_w:
+		movi_d_w(rn(node->u.w), node->v.n->u.p);
+		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;
+	    }
+	}
+#if GET_JIT_SIZE
+	sync();
+#endif
+	jit_regarg_clr(node, value);
+	if (jit_regset_cmp_ui(&_jitc->regarg, 0) != 0) {
+	    assert(jit_regset_scan1(&_jitc->regarg, 0) == jit_carry);
+	    assert(jit_regset_scan1(&_jitc->regarg, jit_carry + 1) == ULONG_MAX);
+	}
+	assert(_jitc->synth == 0);
+	/* update register live state */
+	jit_reglive(node);
+    }
+    sync();
+#undef case_brf
+#undef case_brw
+#undef case_brr
+#undef case_wrr
+#undef case_rrrw
+#undef case_rrf
+#undef case_rrw
+#undef case_rrrr
+#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(node->code, _jitc->patches.ptr[offset].inst, word);
+    }
+
+    jit_flush(_jit->code.ptr, _jit->pc.uc);
+
+    return (_jit->code.ptr);
+}
+
+#define CODE				1
+#  include "jit_ia64-cpu.c"
+#  include "jit_ia64-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;
+#  if 0
+    __clear_cache((void *)f, (void *)t);
+#  else
+    /* __clear_cache is a noop in (old?) gcc, but cache flush is
+     * required on a multi processor Linux system. */
+    for (s = f; s < t; s += 32)
+	asm volatile("fc %0" :: "r"(s) : "memory");
+#  endif
+#endif
+}
+
+/* Use r2 that is reserved to not require a jit_get_reg call, also note
+ * that addil needs a register that first in 2 bits, so, if using a
+ * register other than r2 must be less than r8 (or check for a smaller
+ * immediate, i.e. i0 >= -8192 && i0 <= 8191) */
+void
+_emit_ldxi(jit_state_t *_jit, jit_gpr_t r0, jit_gpr_t r1, jit_word_t i0)
+{
+    assert(i0 >= -2097152 && i0 < 2097151);
+    addi(GR_2, rn(r1), i0);
+    ldr(rn(r0), GR_2);
+}
+
+void
+_emit_stxi(jit_state_t *_jit, jit_word_t i0, jit_gpr_t r0, jit_gpr_t r1)
+{
+    assert(i0 >= -2097152 && i0 < 2097151);
+    addi(GR_2, rn(r0), i0);
+    str(GR_2, rn(r1));
+}
+
+void
+_emit_ldxi_d(jit_state_t *_jit, jit_fpr_t r0, jit_gpr_t r1, jit_word_t i0)
+{
+    assert(i0 >= -2097152 && i0 < 2097151);
+    addi(GR_2, rn(r1), i0);
+    ldr_d(rn(r0), GR_2);
+}
+
+void
+_emit_stxi_d(jit_state_t *_jit, jit_word_t i0, jit_gpr_t r0, jit_fpr_t r1)
+{
+    assert(i0 >= -2097152 && i0 < 2097151);
+    addi(GR_2, rn(r0), i0);
+    str_d(GR_2, 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;
+}
-- 
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