2013-03-11 Sebastian Huber <sebastian.huber@embedded-brains.de>

include/
	* opcode/nios2.h (OP_RDPRS): New define.
	(OP_MATCH_RDPRS): Likewise.

	opcodes/
	* nios2-opc.c (nios2_builtin_opcodes): Add entry for rdprs.

	gas/testsuite/
	* gas/nios2/nios2.exp: Run rdprs.
	* gas/nios2/rdprs.d: New file.
	* gas/nios2/rdprs.s: Likewise.

gas/testsuite/ChangeLog

@@ -1,3 +1,9 @@
+2013-03-11  Sebastian Huber <sebastian.huber@embedded-brains.de>
+
+	* gas/nios2/nios2.exp: Run rdprs.
+	* gas/nios2/rdprs.d: New file.
+	* gas/nios2/rdprs.s: Likewise.
+
 2013-03-11  Sebastian Huber <sebastian.huber@embedded-brains.de>
 
 	* gas/nios2/nios2.exp: Run registers.

gas/testsuite/gas/nios2/nios2.exp

@@ -53,6 +53,7 @@ if { [istarget nios2-*-*] } then {
     run_dump_test "ret"
     run_dump_test "rotate"
     run_dump_test "registers"
+    run_dump_test "rdprs"
     
     run_dump_test "stw"
     run_dump_test "sth"

gas/testsuite/gas/nios2/rdprs.d

@@ -0,0 +1,35 @@
+#objdump: -dr --prefix-addresses --show-raw-insn
+#name: NIOS2 rdprs
+
+# Test the rdprs instruction
+
+.*: +file format elf32-littlenios2
+
+Disassembly of section .text:
+0+0000 <[^>]*> 00000038 	rdprs	zero,zero,0
+0+0004 <[^>]*> 00000078 	rdprs	zero,zero,1
+0+0008 <[^>]*> 000000b8 	rdprs	zero,zero,2
+0+000c <[^>]*> 00000138 	rdprs	zero,zero,4
+0+0010 <[^>]*> 00000238 	rdprs	zero,zero,8
+0+0014 <[^>]*> 00000438 	rdprs	zero,zero,16
+0+0018 <[^>]*> 00000838 	rdprs	zero,zero,32
+0+001c <[^>]*> 00001038 	rdprs	zero,zero,64
+0+0020 <[^>]*> 00002038 	rdprs	zero,zero,128
+0+0024 <[^>]*> 00004038 	rdprs	zero,zero,256
+0+0028 <[^>]*> 00008038 	rdprs	zero,zero,512
+0+002c <[^>]*> 00010038 	rdprs	zero,zero,1024
+0+0030 <[^>]*> 00020038 	rdprs	zero,zero,2048
+0+0034 <[^>]*> 00040038 	rdprs	zero,zero,4096
+0+0038 <[^>]*> 00080038 	rdprs	zero,zero,8192
+0+003c <[^>]*> 00100038 	rdprs	zero,zero,16384
+0+0040 <[^>]*> 00200038 	rdprs	zero,zero,-32768
+0+0044 <[^>]*> 00400038 	rdprs	at,zero,0
+0+0048 <[^>]*> 00800038 	rdprs	r2,zero,0
+0+004c <[^>]*> 01000038 	rdprs	r4,zero,0
+0+0050 <[^>]*> 02000038 	rdprs	r8,zero,0
+0+0054 <[^>]*> 04000038 	rdprs	r16,zero,0
+0+0058 <[^>]*> 08000038 	rdprs	zero,at,0
+0+005c <[^>]*> 10000038 	rdprs	zero,r2,0
+0+0060 <[^>]*> 20000038 	rdprs	zero,r4,0
+0+0064 <[^>]*> 40000038 	rdprs	zero,r8,0
+0+0068 <[^>]*> 80000038 	rdprs	zero,r16,0

gas/testsuite/gas/nios2/rdprs.s

@@ -0,0 +1,32 @@
+# Source file used to test the rdprs instruction
+
+.set noat
+
+foo:
+	rdprs zero, zero, 0
+	rdprs zero, zero, 1
+	rdprs zero, zero, 2
+	rdprs zero, zero, 4
+	rdprs zero, zero, 8
+	rdprs zero, zero, 16
+	rdprs zero, zero, 32
+	rdprs zero, zero, 64
+	rdprs zero, zero, 128
+	rdprs zero, zero, 256
+	rdprs zero, zero, 512
+	rdprs zero, zero, 1024
+	rdprs zero, zero, 2048
+	rdprs zero, zero, 4096
+	rdprs zero, zero, 8192
+	rdprs zero, zero, 16384
+	rdprs zero, zero, -32768
+	rdprs at, zero, 0
+	rdprs r2, zero, 0
+	rdprs r4, zero, 0
+	rdprs r8, zero, 0
+	rdprs r16, zero, 0
+	rdprs zero, at, 0
+	rdprs zero, r2, 0
+	rdprs zero, r4, 0
+	rdprs zero, r8, 0
+	rdprs zero, r16, 0

include/ChangeLog

@@ -1,3 +1,8 @@
+2013-03-11  Sebastian Huber <sebastian.huber@embedded-brains.de>
+
+	* opcode/nios2.h (OP_RDPRS): New define.
+	(OP_MATCH_RDPRS): Likewise.
+
 2013-03-01  Cary Coutant  <ccoutant@google.com>
 
 	* dwarf2.h (enum dwarf_sect): New enum type.

include/opcode/nios2.h

@@ -289,6 +289,7 @@ struct nios2_reg
 #define OP_OPX 58
 #define OP_ORHI 52
 #define OP_ORI 20
+#define OP_RDPRS 56
 #define OP_STB 5
 #define OP_STBIO 37
 #define OP_STC 29
@@ -386,6 +387,7 @@ struct nios2_reg
 #define OP_MATCH_OPX		OP_OPX
 #define OP_MATCH_ORHI		OP_ORHI
 #define OP_MATCH_ORI		OP_ORI
+#define OP_MATCH_RDPRS		OP_RDPRS
 #define OP_MATCH_STB		OP_STB
 #define OP_MATCH_STBIO		OP_STBIO
 #define OP_MATCH_STC		OP_STC

opcodes/ChangeLog

@@ -1,3 +1,7 @@
+2013-03-11  Sebastian Huber <sebastian.huber@embedded-brains.de>
+
+	* nios2-opc.c (nios2_builtin_opcodes): Add entry for rdprs.
+
 2013-03-11  Sebastian Huber <sebastian.huber@embedded-brains.de>
 
 	* nios2-opc.c (nios2_builtin_regs): Add sstatus alias for ba register.

opcodes/nios2-opc.c

@@ -345,6 +345,8 @@ const struct nios2_opcode nios2_builtin_opcodes[] =
    OP_MATCH_ORI, OP_MASK_IOP, NIOS2_INSN_ORI, unsigned_immed16_overflow},
   {"rdctl", "d,c", "d,c,E", 2,
    OP_MATCH_RDCTL, OP_MASK_RDCTL, 0, no_overflow},
+  {"rdprs", "t,s,i", "t,s,i,E", 3,
+   OP_MATCH_RDPRS, OP_MASK_IOP, 0, unsigned_immed16_overflow},
   {"ret", "", "E", 0,
    OP_MATCH_RET, OP_MASK, 0, no_overflow},
   {"rol", "d,s,t", "d,s,t,E", 3,