* mips.h: Document new field descriptors +Q.

        (OP_SH_SEQI, OP_MASK_SEQI): New bit mask and shift count for SEQI.

opcodes/

        * mips-dis.c (print_insn_args): Handle field descriptor +Q.
        * mips-opc.c (mips_builtin_opcodes): Add Octeon instructions seq,
        seqi, sne and snei.

gas/

        * config/tc-mips.c (validate_mips_insn): Handle field descriptor +Q.
        (mips_ip): Likewise.
        (macro_build): Likewise.
        (CPU_HAS_SEQ): New macro.
        (macro2) <M_SEQ_I, M_SNE_I>: Use it.  Emit seq/sne and seqi/snei.

gas/testsuite/

        * gas/mips/octeon.s, gas/mips/octeon.d: Add tests for seq* and sne*.
        * gas/mips/octeon-ill.s, gas/mips/octeon-ill.s: Add tests for seqi
        and snei.

7 files changed, 130 insertions, 0 deletions

diff --git a/gas/ChangeLog b/gas/ChangeLog
index d16f283..f26a3ef 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -4,6 +4,12 @@
 	+x, +X, +p, +P, +s, +S.
 	(mips_ip): Likewise.
 
+	* config/tc-mips.c (validate_mips_insn): Handle field descriptor +Q.
+	(mips_ip): Likewise.
+	(macro_build): Likewise.
+	(CPU_HAS_SEQ): New macro.
+	(macro2) <M_SEQ_I, M_SNE_I>: Use it.  Emit seq/sne and seqi/snei.
+
 2008-06-09  Eric B. Weddington  <eric.weddington@atmel.com>
 
 	* config/tc-avr.c (mcu_types): Remove support for ATmega32HVB device.
diff --git a/gas/config/tc-mips.c b/gas/config/tc-mips.c
index f5ed52b..f544e6a 100644
--- a/gas/config/tc-mips.c
+++ b/gas/config/tc-mips.c
@@ -444,6 +444,9 @@ static int mips_32bitmode = 0;
 /* True if CPU has a ror instruction.  */
 #define CPU_HAS_ROR(CPU)	CPU_HAS_DROR (CPU)
 
+/* True if CPU has seq/sne and seqi/snei instructions.  */
+#define CPU_HAS_SEQ(CPU)	((CPU) == CPU_OCTEON)
+
 /* True if mflo and mfhi can be immediately followed by instructions
    which write to the HI and LO registers.
 
@@ -3500,6 +3503,10 @@ macro_build (expressionS *ep, const char *name, const char *fmt, ...)
 	      INSERT_OPERAND (EXTMSBD, insn, va_arg (args, int));
 	      continue;
 
+	    case 'Q':
+	      INSERT_OPERAND (SEQI, insn, va_arg (args, int));
+	      continue;
+
 	    default:
 	      internalError ();
 	    }
@@ -7541,6 +7548,14 @@ macro2 (struct mips_cl_insn *ip)
 	  move_register (dreg, 0);
 	  break;
 	}
+      if (CPU_HAS_SEQ (mips_opts.arch)
+	  && -512 <= imm_expr.X_add_number
+	  && imm_expr.X_add_number < 512)
+	{
+	  macro_build (NULL, "seqi", "t,r,+Q", dreg, sreg,
+		       imm_expr.X_add_number);
+	  break;
+	}
       if (imm_expr.X_op == O_constant
 	  && imm_expr.X_add_number >= 0
 	  && imm_expr.X_add_number < 0x10000)
@@ -7555,6 +7570,13 @@ macro2 (struct mips_cl_insn *ip)
 	  macro_build (&imm_expr, HAVE_32BIT_GPRS ? "addiu" : "daddiu",
 		       "t,r,j", dreg, sreg, BFD_RELOC_LO16);
 	}
+      else if (CPU_HAS_SEQ (mips_opts.arch))
+	{
+	  used_at = 1;
+	  load_register (AT, &imm_expr, HAVE_64BIT_GPRS);
+	  macro_build (NULL, "seq", "d,v,t", dreg, sreg, AT);
+	  break;
+	}
       else
 	{
 	  load_register (AT, &imm_expr, HAVE_64BIT_GPRS);
@@ -7688,6 +7710,14 @@ macro2 (struct mips_cl_insn *ip)
 		       dreg, 0, BFD_RELOC_LO16);
 	  break;
 	}
+      if (CPU_HAS_SEQ (mips_opts.arch)
+	  && -512 <= imm_expr.X_add_number
+	  && imm_expr.X_add_number < 512)
+	{
+	  macro_build (NULL, "snei", "t,r,+Q", dreg, sreg,
+		       imm_expr.X_add_number);
+	  break;
+	}
       if (imm_expr.X_op == O_constant
 	  && imm_expr.X_add_number >= 0
 	  && imm_expr.X_add_number < 0x10000)
@@ -7702,6 +7732,13 @@ macro2 (struct mips_cl_insn *ip)
 	  macro_build (&imm_expr, HAVE_32BIT_GPRS ? "addiu" : "daddiu",
 		       "t,r,j", dreg, sreg, BFD_RELOC_LO16);
 	}
+      else if (CPU_HAS_SEQ (mips_opts.arch))
+	{
+	  used_at = 1;
+	  load_register (AT, &imm_expr, HAVE_64BIT_GPRS);
+	  macro_build (NULL, "sne", "d,v,t", dreg, sreg, AT);
+	  break;
+	}
       else
 	{
 	  load_register (AT, &imm_expr, HAVE_64BIT_GPRS);
@@ -8272,6 +8309,7 @@ validate_mips_insn (const struct mips_opcode *opc)
 	  case 'X': USE_BITS (OP_MASK_BBITIND,	OP_SH_BBITIND);	break;
 	  case 'p': USE_BITS (OP_MASK_CINSPOS,	OP_SH_CINSPOS);	break;
 	  case 'P': USE_BITS (OP_MASK_CINSPOS,	OP_SH_CINSPOS);	break;
+	  case 'Q': USE_BITS (OP_MASK_SEQI,	OP_SH_SEQI);	break;
 	  case 's': USE_BITS (OP_MASK_CINSLM1,	OP_SH_CINSLM1);	break;
 	  case 'S': USE_BITS (OP_MASK_CINSLM1,	OP_SH_CINSLM1);	break;
 
@@ -9068,6 +9106,22 @@ do_msbd:
 		  s = expr_end;
 		  continue;
 
+		case 'Q':
+		  /* seqi/snei immediate field.  */
+		  my_getExpression (&imm_expr, s);
+		  check_absolute_expr (ip, &imm_expr);
+		  if ((long) imm_expr.X_add_number < -512
+		      || (long) imm_expr.X_add_number >= 512)
+		    {
+		      as_bad (_("Improper immediate (%ld)"),
+			       (long) imm_expr.X_add_number);
+		      imm_expr.X_add_number = 0;
+		    }
+		  INSERT_OPERAND (SEQI, *ip, imm_expr.X_add_number);
+		  imm_expr.X_op = O_absent;
+		  s = expr_end;
+		  continue;
+
 		default:
 		  as_bad (_("internal: bad mips opcode (unknown extension operand type `+%c'): %s %s"),
 		    *args, insn->name, insn->args);
diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog
index 234bbc2..9f0212a 100644
--- a/gas/testsuite/ChangeLog
+++ b/gas/testsuite/ChangeLog
@@ -7,6 +7,10 @@
 	* gas/mips/mips.exp: Run it.  Run octeon test with
 	run_dump_test_arches.
 
+	* gas/mips/octeon.s, gas/mips/octeon.d: Add tests for seq* and sne*.
+	* gas/mips/octeon-ill.s, gas/mips/octeon-ill.s: Add tests for seqi
+	and snei.
+
 2008-06-03  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* gas/i386/i386.exp: Run sse-check-none and
diff --git a/gas/testsuite/gas/mips/octeon-ill.l b/gas/testsuite/gas/mips/octeon-ill.l
index 9fcfb94..880f2f5 100644
--- a/gas/testsuite/gas/mips/octeon-ill.l
+++ b/gas/testsuite/gas/mips/octeon-ill.l
@@ -13,3 +13,7 @@
 .*:26: Error: Improper size \(29\)
 .*:28: Error: Improper position \(70\)
 .*:29: Error: Improper size \(25\)
+.*:31: Error: Improper immediate \(512\)
+.*:32: Error: Improper immediate \(-771\)
+.*:33: Error: Improper immediate \(615\)
+.*:34: Error: Improper immediate \(-513\)
diff --git a/gas/testsuite/gas/mips/octeon-ill.s b/gas/testsuite/gas/mips/octeon-ill.s
index 0f3013d..1319938 100644
--- a/gas/testsuite/gas/mips/octeon-ill.s
+++ b/gas/testsuite/gas/mips/octeon-ill.s
@@ -27,3 +27,8 @@ foo:
 
         exts    $14,$29,70,14
         exts    $20,$16,39,25
+
+        seqi    $14,$13,512
+        seqi    $19,-771
+        snei    $18,$30,615
+        snei    $17,-513
diff --git a/gas/testsuite/gas/mips/octeon.d b/gas/testsuite/gas/mips/octeon.d
index 0cedad8..ede90a3 100644
--- a/gas/testsuite/gas/mips/octeon.d
+++ b/gas/testsuite/gas/mips/octeon.d
@@ -45,6 +45,36 @@ Disassembly of section .text:
 .*:	72000009 	mtp0	\$16
 .*:	7320000a 	mtp1	\$25
 .*:	7120000b 	mtp2	\$9
+.*:	72f8e82a 	seq	\$29,\$23,\$24
+.*:	70dc302a 	seq	\$6,\$6,\$28
+.*:	71f1802e 	seqi	\$17,\$15,-512
+.*:	721009ae 	seqi	\$16,\$16,38
+.*:	7085bbae 	seqi	\$5,\$4,-274
+.*:	718c7fee 	seqi	\$12,\$12,511
+.*:	3b3e0200 	xori	\$30,\$25,0x200
+.*:	2fde0001 	sltiu	\$30,\$30,1
+.*:	65820309 	daddiu	\$2,\$12,777
+.*:	2c420001 	sltiu	\$2,\$2,1
+.*:	3c010001 	lui	\$1,0x1
+.*:	73c1502a 	seq	\$10,\$30,\$1
+.*:	3c01ffff 	lui	\$1,0xffff
+.*:	342146fa 	ori	\$1,\$1,0x46fa
+.*:	7321f02a 	seq	\$30,\$25,\$1
+.*:	7042302b 	sne	\$6,\$2,\$2
+.*:	72f4b82b 	sne	\$23,\$23,\$20
+.*:	7204b1ef 	snei	\$4,\$16,-313
+.*:	735a7fef 	snei	\$26,\$26,511
+.*:	72f5802f 	snei	\$21,\$23,-512
+.*:	718c146f 	snei	\$12,\$12,81
+.*:	39c40379 	xori	\$4,\$14,0x379
+.*:	0004202b 	sltu	\$4,\$0,\$4
+.*:	65b80201 	daddiu	\$24,\$13,513
+.*:	0018c02b 	sltu	\$24,\$0,\$24
+.*:	3c010001 	lui	\$1,0x1
+.*:	3421d1d2 	ori	\$1,\$1,0xd1d2
+.*:	73c1502b 	sne	\$10,\$30,\$1
+.*:	24018000 	li	\$1,-32768
+.*:	7321f02b 	sne	\$30,\$25,\$1
 .*:	0000008f 	synciobdma
 .*:	0000018f 	syncs
 .*:	0000010f 	syncw
diff --git a/gas/testsuite/gas/mips/octeon.s b/gas/testsuite/gas/mips/octeon.s
index 45154dc..b759504 100644
--- a/gas/testsuite/gas/mips/octeon.s
+++ b/gas/testsuite/gas/mips/octeon.s
@@ -49,6 +49,33 @@ foo:
         mtp1    $25
         mtp2    $9
 
+        seq     $29,$23,$24
+        seq     $6,$28
+
+        seqi    $17,$15,-512
+        seqi    $16,38
+
+        seq     $5,$4,-274      # seqi
+        seq     $12,511         # seqi
+        seq     $30,$25,512     # xori $30,$25,512;sltiu $30,$30,1
+        seq     $2,$12,-777     # daddiu $2,$12,777;sltiu $2,$2,1
+        seq     $10,$30,0x10000 # lui $1,0x1; seq $10,$30,$1
+        seq     $30,$25,-47366  # lui $1,0xffff; ori $1,$1,0x46fa; seq $30,$25,$1
+
+        sne     $6,$2,$2
+        sne     $23,$20
+
+        snei    $4,$16,-313
+        snei    $26,511
+
+        sne     $21,$23,-512    # snei
+        sne     $12,81          # snei
+
+        sne     $4,$14,889      # xori $4,$14,889;sltu $4,$0,$4
+        sne     $24,$13,-513    # daddiu $24,$13,513;sltu $24,$0,$24
+        sne     $10,$30,119250  # lui $1,0x1; ori $1,$1,0xd1d2; sne $10,$30,$1
+        sne     $30,$25,-0x8000 # li $1,-32768; sne $30,$25,$1
+
 	synciobdma
         syncs
         syncw