From 1248fbb61328a91baa7dee1d180131bd8571b030 Mon Sep 17 00:00:00 2001
From: Nick Clifton <nickc@redhat.com>
Date: Tue, 30 Dec 2008 10:35:59 +0000
Subject: [PATCH] oops - accidentally omitted from check-in of LM32 port.

---
 gas/testsuite/gas/lm32/all.exp |   6 +
 gas/testsuite/gas/lm32/csr.d   |  27 +++++
 gas/testsuite/gas/lm32/csr.s   |  20 ++++
 gas/testsuite/gas/lm32/insn.d  | 257 +++++++++++++++++++++++++++++++++++++++++
 gas/testsuite/gas/lm32/insn.s  | 142 +++++++++++++++++++++++
 5 files changed, 452 insertions(+)
 create mode 100644 gas/testsuite/gas/lm32/all.exp
 create mode 100644 gas/testsuite/gas/lm32/csr.d
 create mode 100644 gas/testsuite/gas/lm32/csr.s
 create mode 100644 gas/testsuite/gas/lm32/insn.d
 create mode 100644 gas/testsuite/gas/lm32/insn.s

diff --git a/gas/testsuite/gas/lm32/all.exp b/gas/testsuite/gas/lm32/all.exp
new file mode 100644
index 0000000..e3cb4c3
--- /dev/null
+++ b/gas/testsuite/gas/lm32/all.exp
@@ -0,0 +1,6 @@
+# Lattice Mico32 assembler testsuite.
+
+if [istarget lm32-*-*] {
+    run_dump_test "csr"
+    run_dump_test "insn"
+}
diff --git a/gas/testsuite/gas/lm32/csr.d b/gas/testsuite/gas/lm32/csr.d
new file mode 100644
index 0000000..5578053
--- /dev/null
+++ b/gas/testsuite/gas/lm32/csr.d
@@ -0,0 +1,27 @@
+#as:
+#objdump: -d
+#name: csr
+
+dump.o:     file format elf32-lm32.*
+
+Disassembly of section .text:
+
+00000000 <.text>:
+   0:	d0 00 00 00 	wcsr IE,r0
+   4:	d0 1f 00 00 	wcsr IE,ba
+   8:	d0 20 00 00 	wcsr IM,r0
+   c:	d0 3f 00 00 	wcsr IM,ba
+  10:	d0 60 00 00 	wcsr ICC,r0
+  14:	d0 7f 00 00 	wcsr ICC,ba
+  18:	d0 80 00 00 	wcsr DCC,r0
+  1c:	d0 9f 00 00 	wcsr DCC,ba
+  20:	90 00 00 00 	rcsr r0,IE
+  24:	90 00 f8 00 	rcsr ba,IE
+  28:	90 20 00 00 	rcsr r0,IM
+  2c:	90 20 f8 00 	rcsr ba,IM
+  30:	90 40 00 00 	rcsr r0,IP
+  34:	90 40 f8 00 	rcsr ba,IP
+  38:	90 a0 00 00 	rcsr r0,CC
+  3c:	90 a0 f8 00 	rcsr ba,CC
+  40:	90 c0 00 00 	rcsr r0,CFG
+  44:	90 c0 f8 00 	rcsr ba,CFG
diff --git a/gas/testsuite/gas/lm32/csr.s b/gas/testsuite/gas/lm32/csr.s
new file mode 100644
index 0000000..6f3e17e
--- /dev/null
+++ b/gas/testsuite/gas/lm32/csr.s
@@ -0,0 +1,20 @@
+                
+        wcsr    IE, r0
+        wcsr    IE, r31
+        wcsr    IM, r0
+        wcsr    IM, r31
+        wcsr    ICC, r0
+        wcsr    ICC, r31
+        wcsr    DCC, r0
+        wcsr    DCC, r31
+        
+        rcsr    r0, IE
+        rcsr    r31, IE
+        rcsr    r0, IM
+        rcsr    r31, IM
+        rcsr    r0, IP
+        rcsr    r31, IP
+        rcsr    r0, CC
+        rcsr    r31, CC
+        rcsr    r0, CFG
+        rcsr    r31, CFG
diff --git a/gas/testsuite/gas/lm32/insn.d b/gas/testsuite/gas/lm32/insn.d
new file mode 100644
index 0000000..82753c4
--- /dev/null
+++ b/gas/testsuite/gas/lm32/insn.d
@@ -0,0 +1,257 @@
+#as:
+#objdump: -d
+#name: insn
+
+dump.o:     file format elf32-lm32.*
+
+Disassembly of section .text:
+
+00000000 <.text>:
+   0:	b4 00 f8 00 	add ba,r0,r0
+   4:	b7 e0 00 00 	add r0,ba,r0
+   8:	b4 1f 00 00 	add r0,r0,ba
+   c:	b4 43 08 00 	add r1,r2,r3
+  10:	34 00 00 00 	nop
+  14:	34 00 80 00 	mvi r0,-32768
+  18:	34 00 7f ff 	mvi r0,32767
+  1c:	37 e0 00 00 	addi r0,ba,0
+  20:	37 e0 80 00 	addi r0,ba,-32768
+  24:	37 e0 7f ff 	addi r0,ba,32767
+  28:	34 1f 00 00 	mvi ba,0
+  2c:	34 1f 80 00 	mvi ba,-32768
+  30:	34 1f 7f ff 	mvi ba,32767
+  34:	a0 00 f8 00 	and ba,r0,r0
+  38:	a3 e0 00 00 	and r0,ba,r0
+  3c:	a0 1f 00 00 	and r0,r0,ba
+  40:	a0 43 08 00 	and r1,r2,r3
+  44:	20 00 00 00 	andi r0,r0,0x0
+  48:	20 00 ff ff 	andi r0,r0,0xffff
+  4c:	23 e0 00 00 	andi r0,ba,0x0
+  50:	23 e0 ff ff 	andi r0,ba,0xffff
+  54:	20 1f 00 00 	andi ba,r0,0x0
+  58:	20 1f ff ff 	andi ba,r0,0xffff
+  5c:	60 00 00 00 	andhi r0,r0,0x0
+  60:	60 00 ff ff 	andhi r0,r0,0xffff
+  64:	63 e0 00 00 	andhi r0,ba,0x0
+  68:	63 e0 ff ff 	andhi r0,ba,0xffff
+  6c:	60 1f 00 00 	andhi ba,r0,0x0
+  70:	60 1f ff ff 	andhi ba,r0,0xffff
+  74:	60 00 00 00 	andhi r0,r0,0x0
+  78:	60 00 ff ff 	andhi r0,r0,0xffff
+  7c:	e0 00 00 00 	bi 0x7c
+  80:	c0 00 00 00 	b r0
+  84:	c3 e0 00 00 	bret
+  88:	44 00 00 00 	be r0,r0,0x88
+  8c:	44 22 00 00 	be r1,r2,0x8c
+  90:	48 00 00 00 	bg r0,r0,0x90
+  94:	48 22 00 00 	bg r1,r2,0x94
+  98:	4c 00 00 00 	bge r0,r0,0x98
+  9c:	4c 22 00 00 	bge r1,r2,0x9c
+  a0:	50 00 00 00 	bgeu r0,r0,0xa0
+  a4:	50 22 00 00 	bgeu r1,r2,0xa4
+  a8:	54 00 00 00 	bgu r0,r0,0xa8
+  ac:	54 22 00 00 	bgu r1,r2,0xac
+  b0:	5c 00 00 00 	bne r0,r0,0xb0
+  b4:	5c 22 00 00 	bne r1,r2,0xb4
+  b8:	f8 00 00 00 	calli 0xb8
+  bc:	d8 00 00 00 	call r0
+  c0:	db e0 00 00 	call ba
+  c4:	e4 00 f8 00 	cmpe ba,r0,r0
+  c8:	e7 e0 00 00 	cmpe r0,ba,r0
+  cc:	e4 1f 00 00 	cmpe r0,r0,ba
+  d0:	e4 43 08 00 	cmpe r1,r2,r3
+  d4:	64 00 00 00 	cmpei r0,r0,0
+  d8:	64 00 80 00 	cmpei r0,r0,-32768
+  dc:	64 00 7f ff 	cmpei r0,r0,32767
+  e0:	67 e0 00 00 	cmpei r0,ba,0
+  e4:	67 e0 80 00 	cmpei r0,ba,-32768
+  e8:	67 e0 7f ff 	cmpei r0,ba,32767
+  ec:	64 1f 00 00 	cmpei ba,r0,0
+  f0:	64 1f 80 00 	cmpei ba,r0,-32768
+  f4:	64 1f 7f ff 	cmpei ba,r0,32767
+  f8:	e8 00 f8 00 	cmpg ba,r0,r0
+  fc:	eb e0 00 00 	cmpg r0,ba,r0
+ 100:	e8 1f 00 00 	cmpg r0,r0,ba
+ 104:	e8 43 08 00 	cmpg r1,r2,r3
+ 108:	68 00 00 00 	cmpgi r0,r0,0
+ 10c:	68 00 80 00 	cmpgi r0,r0,-32768
+ 110:	68 00 7f ff 	cmpgi r0,r0,32767
+ 114:	6b e0 00 00 	cmpgi r0,ba,0
+ 118:	6b e0 80 00 	cmpgi r0,ba,-32768
+ 11c:	6b e0 7f ff 	cmpgi r0,ba,32767
+ 120:	68 1f 00 00 	cmpgi ba,r0,0
+ 124:	68 1f 80 00 	cmpgi ba,r0,-32768
+ 128:	68 1f 7f ff 	cmpgi ba,r0,32767
+ 12c:	ec 00 f8 00 	cmpge ba,r0,r0
+ 130:	ef e0 00 00 	cmpge r0,ba,r0
+ 134:	ec 1f 00 00 	cmpge r0,r0,ba
+ 138:	ec 43 08 00 	cmpge r1,r2,r3
+ 13c:	6c 00 00 00 	cmpgei r0,r0,0
+ 140:	6c 00 80 00 	cmpgei r0,r0,-32768
+ 144:	6c 00 7f ff 	cmpgei r0,r0,32767
+ 148:	6f e0 00 00 	cmpgei r0,ba,0
+ 14c:	6f e0 80 00 	cmpgei r0,ba,-32768
+ 150:	6f e0 7f ff 	cmpgei r0,ba,32767
+ 154:	6c 1f 00 00 	cmpgei ba,r0,0
+ 158:	6c 1f 80 00 	cmpgei ba,r0,-32768
+ 15c:	6c 1f 7f ff 	cmpgei ba,r0,32767
+ 160:	f0 00 f8 00 	cmpgeu ba,r0,r0
+ 164:	f3 e0 00 00 	cmpgeu r0,ba,r0
+ 168:	f0 1f 00 00 	cmpgeu r0,r0,ba
+ 16c:	f0 43 08 00 	cmpgeu r1,r2,r3
+ 170:	70 00 00 00 	cmpgeui r0,r0,0x0
+ 174:	70 00 ff ff 	cmpgeui r0,r0,0xffff
+ 178:	73 e0 00 00 	cmpgeui r0,ba,0x0
+ 17c:	73 e0 ff ff 	cmpgeui r0,ba,0xffff
+ 180:	70 1f 00 00 	cmpgeui ba,r0,0x0
+ 184:	70 1f ff ff 	cmpgeui ba,r0,0xffff
+ 188:	f4 00 f8 00 	cmpgu ba,r0,r0
+ 18c:	f7 e0 00 00 	cmpgu r0,ba,r0
+ 190:	f4 1f 00 00 	cmpgu r0,r0,ba
+ 194:	f4 43 08 00 	cmpgu r1,r2,r3
+ 198:	74 00 00 00 	cmpgui r0,r0,0x0
+ 19c:	74 00 ff ff 	cmpgui r0,r0,0xffff
+ 1a0:	77 e0 00 00 	cmpgui r0,ba,0x0
+ 1a4:	77 e0 ff ff 	cmpgui r0,ba,0xffff
+ 1a8:	74 1f 00 00 	cmpgui ba,r0,0x0
+ 1ac:	74 1f ff ff 	cmpgui ba,r0,0xffff
+ 1b0:	fc 00 f8 00 	cmpne ba,r0,r0
+ 1b4:	ff e0 00 00 	cmpne r0,ba,r0
+ 1b8:	fc 1f 00 00 	cmpne r0,r0,ba
+ 1bc:	fc 43 08 00 	cmpne r1,r2,r3
+ 1c0:	7c 00 00 00 	cmpnei r0,r0,0
+ 1c4:	7c 00 80 00 	cmpnei r0,r0,-32768
+ 1c8:	7c 00 7f ff 	cmpnei r0,r0,32767
+ 1cc:	7f e0 00 00 	cmpnei r0,ba,0
+ 1d0:	7f e0 80 00 	cmpnei r0,ba,-32768
+ 1d4:	7f e0 7f ff 	cmpnei r0,ba,32767
+ 1d8:	7c 1f 00 00 	cmpnei ba,r0,0
+ 1dc:	7c 1f 80 00 	cmpnei ba,r0,-32768
+ 1e0:	7c 1f 7f ff 	cmpnei ba,r0,32767
+ 1e4:	8c 00 f8 00 	divu ba,r0,r0
+ 1e8:	8f e0 00 00 	divu r0,ba,r0
+ 1ec:	8c 1f 00 00 	divu r0,r0,ba
+ 1f0:	8c 43 08 00 	divu r1,r2,r3
+ 1f4:	c4 00 f8 00 	modu ba,r0,r0
+ 1f8:	c7 e0 00 00 	modu r0,ba,r0
+ 1fc:	c4 1f 00 00 	modu r0,r0,ba
+ 200:	c4 43 08 00 	modu r1,r2,r3
+ 204:	88 00 f8 00 	mul ba,r0,r0
+ 208:	8b e0 00 00 	mul r0,ba,r0
+ 20c:	88 1f 00 00 	mul r0,r0,ba
+ 210:	88 43 08 00 	mul r1,r2,r3
+ 214:	08 00 00 00 	muli r0,r0,0
+ 218:	08 00 80 00 	muli r0,r0,-32768
+ 21c:	08 00 7f ff 	muli r0,r0,32767
+ 220:	0b e0 00 00 	muli r0,ba,0
+ 224:	0b e0 80 00 	muli r0,ba,-32768
+ 228:	0b e0 7f ff 	muli r0,ba,32767
+ 22c:	08 1f 00 00 	muli ba,r0,0
+ 230:	08 1f 80 00 	muli ba,r0,-32768
+ 234:	08 1f 7f ff 	muli ba,r0,32767
+ 238:	84 00 f8 00 	nor ba,r0,r0
+ 23c:	87 e0 00 00 	nor r0,ba,r0
+ 240:	84 1f 00 00 	nor r0,r0,ba
+ 244:	84 43 08 00 	nor r1,r2,r3
+ 248:	04 00 00 00 	nori r0,r0,0x0
+ 24c:	04 00 ff ff 	nori r0,r0,0xffff
+ 250:	07 e0 00 00 	nori r0,ba,0x0
+ 254:	07 e0 ff ff 	nori r0,ba,0xffff
+ 258:	04 1f 00 00 	nori ba,r0,0x0
+ 25c:	04 1f ff ff 	nori ba,r0,0xffff
+ 260:	b8 00 f8 00 	mv ba,r0
+ 264:	bb e0 00 00 	mv r0,ba
+ 268:	b8 1f 00 00 	or r0,r0,ba
+ 26c:	b8 43 08 00 	or r1,r2,r3
+ 270:	38 00 00 00 	mvu r0,0x0
+ 274:	38 00 ff ff 	mvu r0,0xffff
+ 278:	3b e0 00 00 	ori r0,ba,0x0
+ 27c:	3b e0 ff ff 	ori r0,ba,0xffff
+ 280:	38 1f 00 00 	mvu ba,0x0
+ 284:	38 1f ff ff 	mvu ba,0xffff
+ 288:	38 00 00 00 	mvu r0,0x0
+ 28c:	38 00 ff ff 	mvu r0,0xffff
+ 290:	78 00 00 00 	mvhi r0,0x0
+ 294:	78 00 ff ff 	mvhi r0,0xffff
+ 298:	7b e0 00 00 	orhi r0,ba,0x0
+ 29c:	7b e0 ff ff 	orhi r0,ba,0xffff
+ 2a0:	78 1f 00 00 	mvhi ba,0x0
+ 2a4:	78 1f ff ff 	mvhi ba,0xffff
+ 2a8:	78 00 00 00 	mvhi r0,0x0
+ 2ac:	78 00 ff ff 	mvhi r0,0xffff
+ 2b0:	bc 00 f8 00 	sl ba,r0,r0
+ 2b4:	bf e0 00 00 	sl r0,ba,r0
+ 2b8:	bc 1f 00 00 	sl r0,r0,ba
+ 2bc:	bc 43 08 00 	sl r1,r2,r3
+ 2c0:	94 00 f8 00 	sr ba,r0,r0
+ 2c4:	97 e0 00 00 	sr r0,ba,r0
+ 2c8:	94 1f 00 00 	sr r0,r0,ba
+ 2cc:	94 43 08 00 	sr r1,r2,r3
+ 2d0:	80 00 f8 00 	sru ba,r0,r0
+ 2d4:	83 e0 00 00 	sru r0,ba,r0
+ 2d8:	80 1f 00 00 	sru r0,r0,ba
+ 2dc:	80 43 08 00 	sru r1,r2,r3
+ 2e0:	3c 00 00 00 	sli r0,r0,0
+ 2e4:	3c 00 00 1f 	sli r0,r0,31
+ 2e8:	14 00 00 00 	sri r0,r0,0
+ 2ec:	14 00 00 1f 	sri r0,r0,31
+ 2f0:	00 00 00 00 	srui r0,r0,0
+ 2f4:	00 00 00 1f 	srui r0,r0,31
+ 2f8:	c8 00 f8 00 	sub ba,r0,r0
+ 2fc:	cb e0 00 00 	sub r0,ba,r0
+ 300:	c8 1f 00 00 	sub r0,r0,ba
+ 304:	c8 43 08 00 	sub r1,r2,r3
+ 308:	a4 00 f8 00 	not ba,r0
+ 30c:	a7 e0 00 00 	not r0,ba
+ 310:	a4 1f 00 00 	xnor r0,r0,ba
+ 314:	a4 43 08 00 	xnor r1,r2,r3
+ 318:	24 00 00 00 	xnori r0,r0,0x0
+ 31c:	24 00 ff ff 	xnori r0,r0,0xffff
+ 320:	27 e0 00 00 	xnori r0,ba,0x0
+ 324:	27 e0 ff ff 	xnori r0,ba,0xffff
+ 328:	24 1f 00 00 	xnori ba,r0,0x0
+ 32c:	24 1f ff ff 	xnori ba,r0,0xffff
+ 330:	98 00 f8 00 	xor ba,r0,r0
+ 334:	9b e0 00 00 	xor r0,ba,r0
+ 338:	98 1f 00 00 	xor r0,r0,ba
+ 33c:	98 43 08 00 	xor r1,r2,r3
+ 340:	18 00 00 00 	xori r0,r0,0x0
+ 344:	18 00 ff ff 	xori r0,r0,0xffff
+ 348:	1b e0 00 00 	xori r0,ba,0x0
+ 34c:	1b e0 ff ff 	xori r0,ba,0xffff
+ 350:	18 1f 00 00 	xori ba,r0,0x0
+ 354:	18 1f ff ff 	xori ba,r0,0xffff
+ 358:	b0 00 00 00 	sextb r0,r0
+ 35c:	b0 00 f8 00 	sextb ba,r0
+ 360:	b3 e0 00 00 	sextb r0,ba
+ 364:	b0 20 10 00 	sextb r2,r1
+ 368:	dc 00 00 00 	sexth r0,r0
+ 36c:	dc 00 f8 00 	sexth ba,r0
+ 370:	df e0 00 00 	sexth r0,ba
+ 374:	dc 20 10 00 	sexth r2,r1
+ 378:	10 00 00 00 	lb r0,\(r0\+0\)
+ 37c:	10 41 00 03 	lb r1,\(r2\+3\)
+ 380:	40 00 00 00 	lbu r0,\(r0\+0\)
+ 384:	40 41 00 03 	lbu r1,\(r2\+3\)
+ 388:	1c 00 00 00 	lh r0,\(r0\+0\)
+ 38c:	1c 41 00 03 	lh r1,\(r2\+3\)
+ 390:	2c 00 00 00 	lhu r0,\(r0\+0\)
+ 394:	2c 41 00 03 	lhu r1,\(r2\+3\)
+ 398:	28 00 00 00 	lw r0,\(r0\+0\)
+ 39c:	28 41 00 03 	lw r1,\(r2\+3\)
+ 3a0:	30 00 00 00 	sb \(r0\+0\),r0
+ 3a4:	30 23 00 02 	sb \(r1\+2\),r3
+ 3a8:	0c 00 00 00 	sh \(r0\+0\),r0
+ 3ac:	0c 23 00 02 	sh \(r1\+2\),r3
+ 3b0:	58 00 00 00 	sw \(r0\+0\),r0
+ 3b4:	58 23 00 02 	sw \(r1\+2\),r3
+ 3b8:	ac 00 00 02 	break
+ 3bc:	ac 00 00 07 	scall
+ 3c0:	c3 c0 00 00 	eret
+ 3c4:	c3 e0 00 00 	bret
+ 3c8:	c3 a0 00 00 	ret
+ 3cc:	34 00 00 00 	nop
+ 3d0:	b8 00 00 00 	mv r0,r0
+ 3d4:	78 00 00 00 	mvhi r0,0x0
+ 3d8:	78 00 00 00 	mvhi r0,0x0
+ 3dc:	a4 00 00 00 	not r0,r0
diff --git a/gas/testsuite/gas/lm32/insn.s b/gas/testsuite/gas/lm32/insn.s
new file mode 100644
index 0000000..8e25ff2
--- /dev/null
+++ b/gas/testsuite/gas/lm32/insn.s
@@ -0,0 +1,142 @@
+	.macro RegReg insn	
+	\insn	r31, r0, r0
+	\insn	r0, r31, r0
+	\insn	r0, r0, r31
+	\insn	r1, r2, r3
+	.endm
+
+	.macro RegImm insn
+	\insn	r0, r0, 0
+	\insn	r0, r0, -32768
+	\insn	r0, r0, 32767
+	\insn	r0, r31, 0
+	\insn 	r0, r31, -32768
+	\insn	r0, r31, 32767
+	\insn	r31, r0, 0
+	\insn	r31, r0, -32768
+	\insn	r31, r0, 32767
+	.endm
+
+	.macro RegUImm insn
+	\insn	r0, r0, 0
+	\insn	r0, r0, 65535
+	\insn	r0, r31, 0
+	\insn	r0, r31, 65535
+	\insn	r31, r0, 0
+	\insn	r31, r0, 65535
+	.endm
+
+	RegReg 	add
+	RegImm 	addi
+	RegReg 	and
+	RegUImm andi
+	RegUImm	andhi
+
+	andhi	r0, r0, hi(0x0000ffff)
+	andhi	r0, r0, hi(0xffff0000)
+
+	bi	label
+	b	r0
+	b	r31
+
+	be	r0, r0, label
+	be	r1, r2, label
+	bg	r0, r0, label
+	bg	r1, r2, label
+	bge	r0, r0, label
+	bge	r1, r2, label
+	bgeu	r0, r0, label
+	bgeu	r1, r2, label
+	bgu	r0, r0, label
+	bgu	r1, r2, label
+	bne	r0, r0, label
+	bne	r1, r2, label
+
+	calli	label
+	call	r0
+	call	r31
+
+	RegReg	cmpe
+	RegImm	cmpei
+	RegReg	cmpg
+	RegImm	cmpgi
+	RegReg	cmpge
+	RegImm	cmpgei
+	RegReg	cmpgeu
+	RegUImm	cmpgeui
+	RegReg	cmpgu
+	RegUImm	cmpgui
+	RegReg	cmpne
+	RegImm	cmpnei
+
+	RegReg	divu
+	RegReg	modu
+	RegReg	mul
+	RegImm	muli
+
+	RegReg	nor
+	RegUImm	nori
+	RegReg	or
+	RegUImm	ori
+	ori	r0, r0, lo(0xffff0000)
+	ori	r0, r0, lo(0x0000ffff)
+	RegUImm	orhi
+	orhi	r0, r0, hi(0x0000ffff)
+	orhi	r0, r0, hi(0xffff0000)
+
+	RegReg	sl
+	RegReg	sr
+	RegReg	sru
+
+	sli	r0, r0, 0
+	sli	r0, r0, 31
+	sri	r0, r0, 0
+	sri	r0, r0, 31
+	srui	r0, r0, 0
+	srui	r0, r0, 31
+
+	RegReg	sub
+
+	RegReg	xnor
+	RegUImm	xnori
+	RegReg	xor
+	RegUImm	xori
+
+        sextb   r0, r0
+        sextb   r31, r0
+        sextb   r0, r31
+        sextb   r2, r1
+        sexth   r0, r0
+        sexth   r31, r0
+        sexth   r0, r31
+        sexth   r2, r1
+
+	lb	r0, (r0+0)
+	lb	r1, (r2+3)
+	lbu	r0, (r0+0)
+ 	lbu 	r1, (r2+3)	
+	lh	r0, (r0+0)
+	lh	r1, (r2+3)
+	lhu	r0, (r0+0)
+	lhu 	r1, (r2+3)
+	lw	r0, (r0+0)
+	lw	r1, (r2+3)
+	sb	(r0+0), r0
+	sb	(r1+2), r3
+	sh	(r0+0), r0
+	sh	(r1+2), r3
+	sw	(r0+0), r0
+	sw	(r1+2), r3
+
+	break
+        scall
+
+	eret
+ 	bret
+
+	ret
+ 	mvi	r0, 0   
+	mv	r0, r0
+	mvhi   r0, 0
+	mvhi   r0, hi(0)
+	not	r0, r0
-- 
2.7.4