? gas/testsuite/gas/mips/rol64.d

author Thiemo Seufer <ths@networkno.de>

Tue, 21 May 2002 23:54:48 +0000 (23:54 +0000)

committer Thiemo Seufer <ths@networkno.de>

Tue, 21 May 2002 23:54:48 +0000 (23:54 +0000)
author Thiemo Seufer <ths@networkno.de>
Tue, 21 May 2002 23:54:48 +0000 (23:54 +0000)
committer Thiemo Seufer <ths@networkno.de>
Tue, 21 May 2002 23:54:48 +0000 (23:54 +0000)
diff --git a/gas/ChangeLog b/gas/ChangeLog

index d60ef53..d5b3c14 100644 (file)
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,8 @@
+2002-05-22  Thiemo Seufer <seufer@csv.ica.uni-stuttgart.de>
+
+       * config/tc-mips.c (macro2): Add 64 bit drol, dror macros.
+       Optimize the rotate by zero case.
+
  2002-05-21  Nick Clifton  <nickc@cambridge.redhat.com>
  
         * configure.in: Remove accidental enabling of bfd_gas=yes for
diff --git a/gas/config/tc-mips.c b/gas/config/tc-mips.c

index 2d574e8..84bec7f 100644 (file)
--- a/gas/config/tc-mips.c
+++ b/gas/config/tc-mips.c
@@ -6686,6 +6686,17 @@ macro2 (ip)
        --mips_opts.noreorder;
        break;
  
+    case M_DROL:
+      macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "dsubu",
+                  "d,v,t", AT, 0, treg);
+      macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "dsrlv",
+                  "d,t,s", AT, sreg, AT);
+      macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "dsllv",
+                  "d,t,s", dreg, sreg, treg);
+      macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "or",
+                  "d,v,t", dreg, dreg, AT);
+      break;
+
      case M_ROL:
        macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "subu",
                    "d,v,t", AT, 0, treg);
@@ -6697,15 +6708,55 @@ macro2 (ip)
                    "d,v,t", dreg, dreg, AT);
        break;
  
+    case M_DROL_I:
+      {
+       unsigned int rot;
+       char *l, *r;
+
+       if (imm_expr.X_op != O_constant)
+         as_bad (_("rotate count too large"));
+       rot = imm_expr.X_add_number & 0x3f;
+       if (! rot)
+         break;
+       l = (rot < 0x20) ? "dsll" : "dsll32";
+       r = ((0x40 - rot) < 0x20) ? "dsrl" : "dsrl32";
+       rot &= 0x1f;
+       macro_build ((char *) NULL, &icnt, (expressionS *) NULL, l,
+                    "d,w,<", AT, sreg, rot);
+       macro_build ((char *) NULL, &icnt, (expressionS *) NULL, r,
+                    "d,w,<", dreg, sreg, (0x20 - rot) & 0x1f);
+       macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "or",
+                    "d,v,t", dreg, dreg, AT);
+      }
+      break;
+
      case M_ROL_I:
-      if (imm_expr.X_op != O_constant)
-       as_bad (_("rotate count too large"));
-      macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "sll", "d,w,<",
-                  AT, sreg, (int) (imm_expr.X_add_number & 0x1f));
-      macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "srl", "d,w,<",
-                  dreg, sreg, (int) ((0 - imm_expr.X_add_number) & 0x1f));
-      macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "or", "d,v,t",
-                  dreg, dreg, AT);
+      {
+       unsigned int rot;
+
+       if (imm_expr.X_op != O_constant)
+         as_bad (_("rotate count too large"));
+       rot = imm_expr.X_add_number & 0x1f;
+       if (! rot)
+         break;
+       macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "sll",
+                    "d,w,<", AT, sreg, rot);
+       macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "srl",
+                    "d,w,<", dreg, sreg, (0x20 - rot) & 0x1f);
+       macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "or",
+                    "d,v,t", dreg, dreg, AT);
+      }
+      break;
+
+    case M_DROR:
+      macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "dsubu",
+                  "d,v,t", AT, 0, treg);
+      macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "dsllv",
+                  "d,t,s", AT, sreg, AT);
+      macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "dsrlv",
+                  "d,t,s", dreg, sreg, treg);
+      macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "or",
+                  "d,v,t", dreg, dreg, AT);
        break;
  
      case M_ROR:
@@ -6719,15 +6770,44 @@ macro2 (ip)
                    "d,v,t", dreg, dreg, AT);
        break;
  
+    case M_DROR_I:
+      {
+       unsigned int rot;
+       char *l, *r;
+
+       if (imm_expr.X_op != O_constant)
+         as_bad (_("rotate count too large"));
+       rot = imm_expr.X_add_number & 0x3f;
+       if (! rot)
+         break;
+       r = (rot < 0x20) ? "dsrl" : "dsrl32";
+       l = ((0x40 - rot) < 0x20) ? "dsll" : "dsll32";
+       rot &= 0x1f;
+       macro_build ((char *) NULL, &icnt, (expressionS *) NULL, r,
+                    "d,w,<", AT, sreg, rot);
+       macro_build ((char *) NULL, &icnt, (expressionS *) NULL, l,
+                    "d,w,<", dreg, sreg, (0x20 - rot) & 0x1f);
+       macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "or",
+                    "d,v,t", dreg, dreg, AT);
+      }
+      break;
+
      case M_ROR_I:
-      if (imm_expr.X_op != O_constant)
-       as_bad (_("rotate count too large"));
-      macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "srl", "d,w,<",
-                  AT, sreg, (int) (imm_expr.X_add_number & 0x1f));
-      macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "sll", "d,w,<",
-                  dreg, sreg, (int) ((0 - imm_expr.X_add_number) & 0x1f));
-      macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "or", "d,v,t",
-                  dreg, dreg, AT);
+      {
+       unsigned int rot;
+
+       if (imm_expr.X_op != O_constant)
+         as_bad (_("rotate count too large"));
+       rot = imm_expr.X_add_number & 0x1f;
+       if (! rot)
+         break;
+       macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "srl",
+                    "d,w,<", AT, sreg, rot);
+       macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "sll",
+                    "d,w,<", dreg, sreg, (0x20 - rot) & 0x1f);
+       macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "or",
+                    "d,v,t", dreg, dreg, AT);
+      }
        break;
  
      case M_S_DOB:
diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog

index baa8315..08c864d 100644 (file)
--- a/gas/testsuite/ChangeLog
+++ b/gas/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+2002-05-22  Thiemo Seufer <seufer@csv.ica.uni-stuttgart.de>
+
+       * gas/mips/rol64.s: New file, test of drol, dror macros.
+       * gas/mips/rol64.d: Likewise.
+       * gas/mips/mips.exp: Add new test.
+
  2002-05-20  Nick Clifton  <nickc@cambridge.redhat.com>
  
         * gas/arm/arm.exp: Replace deprecated command line switches
diff --git a/gas/testsuite/gas/mips/mips.exp b/gas/testsuite/gas/mips/mips.exp

index 9cd97cb..37a945a 100644 (file)
--- a/gas/testsuite/gas/mips/mips.exp
+++ b/gas/testsuite/gas/mips/mips.exp
@@ -122,6 +122,7 @@ if { [istarget mips*-*-*] } then {
         run_dump_test "mul"
      }
      run_dump_test "rol"
+    run_dump_test "rol64"
      if !$aout { run_dump_test "sb" }
      run_dump_test "trunc"
      if !$aout { run_dump_test "ulh" }
diff --git a/gas/testsuite/gas/mips/rol64.d b/gas/testsuite/gas/mips/rol64.d

new file mode 100644 (file)

index 0000000..8362219
--- /dev/null
+++ b/gas/testsuite/gas/mips/rol64.d
@@ -0,0 +1,62 @@
+#objdump: -dr --prefix-addresses -mmips:4000
+#as: -march=r4000 -mtune=r4000
+#name: MIPS R4000 drol
+
+# Test the drol and dror macros.
+
+.*: +file format .*mips.*
+
+Disassembly of section .text:
+0+0000 <[^>]*> dnegu   at,a1
+0+0004 <[^>]*> dsrlv   at,a0,at
+0+0008 <[^>]*> dsllv   a0,a0,a1
+0+000c <[^>]*> or      a0,a0,at
+0+0010 <[^>]*> dnegu   at,a2
+0+0014 <[^>]*> dsrlv   at,a1,at
+0+0018 <[^>]*> dsllv   a0,a1,a2
+0+001c <[^>]*> or      a0,a0,at
+0+0020 <[^>]*> dsll    at,a0,0x1
+0+0024 <[^>]*> dsrl32  a0,a0,0x1f
+0+0028 <[^>]*> or      a0,a0,at
+0+002c <[^>]*> dsll    at,a1,0x1
+0+0030 <[^>]*> dsrl32  a0,a1,0x1f
+0+0034 <[^>]*> or      a0,a0,at
+0+0038 <[^>]*> dsll    at,a1,0x1f
+0+003c <[^>]*> dsrl32  a0,a1,0x1
+0+0040 <[^>]*> or      a0,a0,at
+0+0044 <[^>]*> dsll32  at,a1,0x0
+0+0048 <[^>]*> dsrl32  a0,a1,0x0
+0+004c <[^>]*> or      a0,a0,at
+0+0050 <[^>]*> dsll32  at,a1,0x1
+0+0054 <[^>]*> dsrl    a0,a1,0x1f
+0+0058 <[^>]*> or      a0,a0,at
+0+005c <[^>]*> dsll32  at,a1,0x1f
+0+0060 <[^>]*> dsrl    a0,a1,0x1
+0+0064 <[^>]*> or      a0,a0,at
+0+0068 <[^>]*> dnegu   at,a1
+0+006c <[^>]*> dsllv   at,a0,at
+0+0070 <[^>]*> dsrlv   a0,a0,a1
+0+0074 <[^>]*> or      a0,a0,at
+0+0078 <[^>]*> dnegu   at,a2
+0+007c <[^>]*> dsllv   at,a1,at
+0+0080 <[^>]*> dsrlv   a0,a1,a2
+0+0084 <[^>]*> or      a0,a0,at
+0+0088 <[^>]*> dsrl    at,a0,0x1
+0+008c <[^>]*> dsll32  a0,a0,0x1f
+0+0090 <[^>]*> or      a0,a0,at
+0+0094 <[^>]*> dsrl    at,a1,0x1
+0+0098 <[^>]*> dsll32  a0,a1,0x1f
+0+009c <[^>]*> or      a0,a0,at
+0+00a0 <[^>]*> dsrl    at,a1,0x1f
+0+00a4 <[^>]*> dsll32  a0,a1,0x1
+0+00a8 <[^>]*> or      a0,a0,at
+0+00ac <[^>]*> dsrl32  at,a1,0x0
+0+00b0 <[^>]*> dsll32  a0,a1,0x0
+0+00b4 <[^>]*> or      a0,a0,at
+0+00b8 <[^>]*> dsrl32  at,a1,0x1
+0+00bc <[^>]*> dsll    a0,a1,0x1f
+0+00c0 <[^>]*> or      a0,a0,at
+0+00c4 <[^>]*> dsrl32  at,a1,0x1f
+0+00c8 <[^>]*> dsll    a0,a1,0x1
+0+00cc <[^>]*> or      a0,a0,at
+       ...
diff --git a/gas/testsuite/gas/mips/rol64.s b/gas/testsuite/gas/mips/rol64.s

new file mode 100644 (file)

index 0000000..3e71732
--- /dev/null
+++ b/gas/testsuite/gas/mips/rol64.s
@@ -0,0 +1,27 @@
+# Source file used to test the drol and dror macros.
+
+foo:
+       drol    $4,$5
+       drol    $4,$5,$6
+       drol    $4,1
+       drol    $4,$5,0
+       drol    $4,$5,1
+       drol    $4,$5,31
+       drol    $4,$5,32
+       drol    $4,$5,33
+       drol    $4,$5,63
+       drol    $4,$5,64
+
+       dror    $4,$5
+       dror    $4,$5,$6
+       dror    $4,1
+       dror    $4,$5,0
+       dror    $4,$5,1
+       dror    $4,$5,31
+       dror    $4,$5,32
+       dror    $4,$5,33
+       dror    $4,$5,63
+       dror    $4,$5,64
+
+# Force at least 8 (non-delay-slot) zero bytes, to make 'objdump' print ...
+       .space  8
diff --git a/include/opcode/ChangeLog b/include/opcode/ChangeLog

index a3632b7..e82a417 100644 (file)
--- a/include/opcode/ChangeLog
+++ b/include/opcode/ChangeLog
@@ -1,3 +1,7 @@
+2002-05-22  Thiemo Seufer <seufer@csv.ica.uni-stuttgart.de>
+
+       * mips.h: Add M_DROL, M_DROL_I, M_DROR, M_DROR_I macro cases.
+
  2002-05-17  Andrey Volkov  <avolkov@sources.redhat.com>
  
          * h8300.h: Corrected defs of all control regs 
diff --git a/include/opcode/mips.h b/include/opcode/mips.h

index 96c7a57..06f5625 100644 (file)
--- a/include/opcode/mips.h
+++ b/include/opcode/mips.h
@@ -526,9 +526,13 @@ enum
    M_REM_3I,
    M_REMU_3,
    M_REMU_3I,
+  M_DROL,
    M_ROL,
+  M_DROL_I,
    M_ROL_I,
+  M_DROR,
    M_ROR,
+  M_DROR_I,
    M_ROR_I,
    M_S_DA,
    M_S_DOB,
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog

index 081fc4d..b5f5a74 100644 (file)
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,3 +1,7 @@
+2002-05-22  Thiemo Seufer <seufer@csv.ica.uni-stuttgart.de>
+
+       * mips-opc.c (mips_builtin_opcodes): Add drol, dror macros.
+
  Fri May 17 14:26:44 2002  J"orn Rennecke <joern.rennecke@superh.com>
  
         * disassemble.c (disassembler): Just use print_insn_sh for bfd_arch_sh.
diff --git a/opcodes/mips-opc.c b/opcodes/mips-opc.c

index d3776d6..4b8cbc7 100644 (file)
--- a/opcodes/mips-opc.c
+++ b/opcodes/mips-opc.c
@@ -492,6 +492,10 @@ const struct mips_opcode mips_builtin_opcodes[] =
  {"dremu",   "z,s,t",    0x0000001f, 0xfc00ffff, RD_s|RD_t|WR_HILO,      I3      },
  {"dremu",   "d,v,t",   3,    (int) M_DREMU_3,  INSN_MACRO,             I3      },
  {"dremu",   "d,v,I",   3,    (int) M_DREMU_3I, INSN_MACRO,             I3      },
+{"drol",    "d,v,t",   0,    (int) M_DROL,     INSN_MACRO,             I3      },
+{"drol",    "d,v,I",   0,    (int) M_DROL_I,   INSN_MACRO,             I3      },
+{"dror",    "d,v,t",   0,    (int) M_DROR,     INSN_MACRO,             I3      },
+{"dror",    "d,v,I",   0,    (int) M_DROR_I,   INSN_MACRO,             I3      },
  {"dsllv",   "d,t,s",   0x00000014, 0xfc0007ff, WR_d|RD_t|RD_s,         I3      },
  {"dsll32",  "d,w,<",   0x0000003c, 0xffe0003f, WR_d|RD_t,              I3      },
  {"dsll",    "d,w,s",   0x00000014, 0xfc0007ff, WR_d|RD_t|RD_s,         I3      }, /* dsllv */
author	Thiemo Seufer <ths@networkno.de>
	Tue, 21 May 2002 23:54:48 +0000 (23:54 +0000)
committer	Thiemo Seufer <ths@networkno.de>
	Tue, 21 May 2002 23:54:48 +0000 (23:54 +0000)
gas/ChangeLog		patch \| blob \| history
gas/config/tc-mips.c		patch \| blob \| history
gas/testsuite/ChangeLog		patch \| blob \| history
gas/testsuite/gas/mips/mips.exp		patch \| blob \| history
gas/testsuite/gas/mips/rol64.d	[new file with mode: 0644]	patch \| blob
gas/testsuite/gas/mips/rol64.s	[new file with mode: 0644]	patch \| blob
include/opcode/ChangeLog		patch \| blob \| history
include/opcode/mips.h		patch \| blob \| history
opcodes/ChangeLog		patch \| blob \| history
opcodes/mips-opc.c		patch \| blob \| history