2003-09-14 Andrew Cagney <cagney@redhat.com>

[deliverable/binutils-gdb.git] / bfd / cpu-ia64-opc.c

diff --git a/bfd/cpu-ia64-opc.c b/bfd/cpu-ia64-opc.c
index a228b1ca00a58363ee8fec3cb37bf98518bc2740..3cafb9f14d9f090ba1b54751c84fb53fbf705335 100644 (file)
--- a/bfd/cpu-ia64-opc.c
+++ b/bfd/cpu-ia64-opc.c
@@ -161,8 +161,8 @@ static const char*
 ext_imms_scaled (const struct ia64_operand *self, ia64_insn code,
                 ia64_insn *valuep, int scale)
 {
-  int i, bits = 0, total = 0, shift;
-  BFD_HOST_64_BIT val = 0;
+  int i, bits = 0, total = 0;
+  BFD_HOST_64_BIT val = 0, sign;
 
   for (i = 0; i < NELEMS (self->field) && self->field[i].bits; ++i)
     {
@@ -172,8 +172,8 @@ ext_imms_scaled (const struct ia64_operand *self, ia64_insn code,
       total += bits;
     }
   /* sign extend: */
-  shift = 8*sizeof (val) - total;
-  val = (val << shift) >> shift;
+  sign = (BFD_HOST_64_BIT) 1 << (total - 1);
+  val = (val ^ sign) - sign;
 
   *valuep = (val << scale);
   return 0;
@@ -188,10 +188,7 @@ ins_imms (const struct ia64_operand *self, ia64_insn value, ia64_insn *code)
 static const char*
 ins_immsu4 (const struct ia64_operand *self, ia64_insn value, ia64_insn *code)
 {
-  if (value == (BFD_HOST_U_64_BIT) 0x100000000)
-    value = 0;
-  else
-    value = (((BFD_HOST_64_BIT)value << 32) >> 32);
+  value = ((value & 0xffffffff) ^ 0x80000000) - 0x80000000;
 
   return ins_imms_scaled (self, value, code, 0);
 }
@@ -213,10 +210,7 @@ static const char*
 ins_immsm1u4 (const struct ia64_operand *self, ia64_insn value,
              ia64_insn *code)
 {
-  if (value == (BFD_HOST_U_64_BIT) 0x100000000)
-    value = 0;
-  else
-    value = (((BFD_HOST_64_BIT)value << 32) >> 32);
+  value = ((value & 0xffffffff) ^ 0x80000000) - 0x80000000;
 
   --value;
   return ins_imms_scaled (self, value, code, 0);
@@ -418,6 +412,7 @@ const struct ia64_operand elf64_ia64_operands[IA64_OPND_COUNT] =
   {
     /* constants: */
     { CST, ins_const, ext_const, "NIL",                {{ 0, 0}}, 0, "<none>" },
+    { CST, ins_const, ext_const, "ar.csd",     {{ 0, 0}}, 0, "ar.csd" },
     { CST, ins_const, ext_const, "ar.ccv",     {{ 0, 0}}, 0, "ar.ccv" },
     { CST, ins_const, ext_const, "ar.pfs",     {{ 0, 0}}, 0, "ar.pfs" },
     { CST, ins_const, ext_const, "1",          {{ 0, 0}}, 0, "1" },
@@ -586,4 +581,7 @@ const struct ia64_operand elf64_ia64_operands[IA64_OPND_COUNT] =
       "a branch target" },
     { REL, ins_rsvd, ext_rsvd, 0, {{0, 0}}, 0,                  /* TGT64  */
       "a branch target" },
+
+    { ABS, ins_const, ext_const, 0, {{0, 0}}, 0,               /* LDXMOV */
+      "ldxmov target" },
   };