* 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.

diff --git a/gas/ChangeLog b/gas/ChangeLog
index d16f283..f26a3ef 100644 (file)
--- 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 (file)
--- 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 (file)
--- 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 (file)
--- 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 (file)
--- 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 (file)
--- 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 (file)
--- 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

diff --git a/include/opcode/ChangeLog b/include/opcode/ChangeLog
index 802ce5a..32b9728 100644 (file)
--- a/include/opcode/ChangeLog
+++ b/include/opcode/ChangeLog
@@ -7,6 +7,9 @@
        (OP_SH_CINSPOS, OP_MASK_CINSPOS, OP_SH_CINSLM1, OP_MASK_CINSLM1):
        New bit masks and shift counts for cins and exts.
 
+       * mips.h: Document new field descriptors +Q.
+       (OP_SH_SEQI, OP_MASK_SEQI): New bit mask and shift count for SEQI.
+
 2008-04-28  Adam Nemet  <anemet@caviumnetworks.com>
 
        * mips.h (INSN_MACRO): Move it up to the the pinfo macros.

diff --git a/include/opcode/mips.h b/include/opcode/mips.h
index 2487f9e..8d201f6 100644 (file)
--- a/include/opcode/mips.h
+++ b/include/opcode/mips.h
@@ -222,6 +222,8 @@ Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, US
 #define OP_MASK_CINSPOS                0x1f
 #define OP_SH_CINSLM1          11
 #define OP_MASK_CINSLM1                0x1f
+#define OP_SH_SEQI             6
+#define OP_MASK_SEQI           0x3ff
 
 /* This structure holds information for a particular instruction.  */
 
@@ -385,6 +387,7 @@ struct mips_opcode
    "+p" Position field of cins/cins32/exts/exts32. Enforces 0 <= pos < 32.
    "+P" Position field of cins/exts aliasing cins32/exts32.  Matches if
        32 <= pos < 64, otherwise skips to next candidate.
+   "+Q" Immediate field of seqi/snei.  Enforces -512 <= imm < 512.
    "+s" Length-minus-one field of cins/exts.  Enforces: 0 <= lenm1 < 32.
    "+S" Length-minus-one field of cins32/exts32 or cins/exts aliasing
        cint32/exts32.  Enforces non-negative value and that
@@ -406,7 +409,7 @@ struct mips_opcode
    Extension character sequences used so far ("+" followed by the
    following), for quick reference when adding more:
    "1234"
-   "ABCDEFGHIPSTX"
+   "ABCDEFGHIPQSTX"
    "pstx"
 */
 

diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index 886431c..1253975 100644 (file)
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -6,6 +6,10 @@
        baddu, bbit*, cins*, dmul, pop, dpop, exts*, mtm*, mtp*, syncs,
        syncw, syncws, vm3mulu, vm0 and vmulu.
 
+       * mips-dis.c (print_insn_args): Handle field descriptor +Q.
+       * mips-opc.c (mips_builtin_opcodes): Add Octeon instructions seq,
+       seqi, sne and snei.
+
 2008-05-30  H.J. Lu  <hongjiu.lu@intel.com>
 
        * i386-opc.tbl: Add vmovd with 64bit operand.

diff --git a/opcodes/mips-dis.c b/opcodes/mips-dis.c
index 4202b7d..ada753f 100644 (file)
--- a/opcodes/mips-dis.c
+++ b/opcodes/mips-dis.c
@@ -902,6 +902,13 @@ print_insn_args (const char *d,
                                     (l >> OP_SH_CINSLM1) & OP_MASK_CINSLM1);
              break;
 
+           case 'Q':           /* seqi/snei immediate field */
+             op = (l >> OP_SH_SEQI) & OP_MASK_SEQI;
+             /* Sign-extend it.  */
+             op = (op ^ 512) - 512;
+             (*info->fprintf_func) (info->stream, "%d", op);
+             break;
+
            default:
              /* xgettext:c-format */
              (*info->fprintf_func) (info->stream,

diff --git a/opcodes/mips-opc.c b/opcodes/mips-opc.c
index 29c1368..75503fa 100644 (file)
--- a/opcodes/mips-opc.c
+++ b/opcodes/mips-opc.c
@@ -1191,10 +1191,12 @@ const struct mips_opcode mips_builtin_opcodes[] =
 {"seh",     "d,w",     0x7c000620, 0xffe007ff, WR_d|RD_t,              0,              I33     },
 {"selsl",   "d,v,t",   0x00000005, 0xfc0007ff, WR_d|RD_s|RD_t,         0,              L1      },
 {"selsr",   "d,v,t",   0x00000001, 0xfc0007ff, WR_d|RD_s|RD_t,         0,              L1      },
+{"seq",            "d,v,t",    0x7000002a, 0xfc0007ff, WR_d|RD_s|RD_t,         0,              IOCT    },
 {"seq",     "d,v,t",   0,    (int) M_SEQ,      INSN_MACRO,             0,              I1      },
 {"seq",     "d,v,I",   0,    (int) M_SEQ_I,    INSN_MACRO,             0,              I1      },
 {"seq",        "S,T",          0x46a00032,     0xffe007ff,     RD_S|RD_T|WR_CC|FP_D,   0,      IL2E    },
 {"seq",        "S,T",          0x4ba0000c,     0xffe007ff,     RD_S|RD_T|WR_CC|FP_D,   0,      IL2F    },
+{"seqi",    "t,r,+Q",  0x7000002e, 0xfc00003f, WR_t|RD_s,              0,              IOCT    },
 {"sge",     "d,v,t",   0,    (int) M_SGE,      INSN_MACRO,             0,              I1      },
 {"sge",     "d,v,I",   0,    (int) M_SGE_I,    INSN_MACRO,             0,              I1      },
 {"sgeu",    "d,v,t",   0,    (int) M_SGEU,     INSN_MACRO,             0,              I1      },
@@ -1246,8 +1248,10 @@ const struct mips_opcode mips_builtin_opcodes[] =
 {"sltu",    "d,v,I",   0,    (int) M_SLTU_I,   INSN_MACRO,             0,              I1      },
 {"sltu",       "S,T",          0x4680003c,     0xffe007ff,     RD_S|RD_T|WR_CC|FP_D,   0,      IL2E    },
 {"sltu",       "S,T",          0x4b80000d,     0xffe007ff,     RD_S|RD_T|WR_CC|FP_D,   0,      IL2F    },
+{"sne",            "d,v,t",    0x7000002b, 0xfc0007ff, WR_d|RD_s|RD_t,         0,              IOCT    },
 {"sne",     "d,v,t",   0,    (int) M_SNE,      INSN_MACRO,             0,              I1      },
 {"sne",     "d,v,I",   0,    (int) M_SNE_I,    INSN_MACRO,             0,              I1      },
+{"snei",    "t,r,+Q",  0x7000002f, 0xfc00003f, WR_t|RD_s,              0,              IOCT    },
 {"sqrt.d",  "D,S",     0x46200004, 0xffff003f, WR_D|RD_S|FP_D,         0,              I2      },
 {"sqrt.s",  "D,S",     0x46000004, 0xffff003f, WR_D|RD_S|FP_S,         0,              I2      },
 {"sqrt.ps", "D,S",     0x46c00004, 0xffff003f, WR_D|RD_S|FP_D,         0,              SB1     },