+Thu Apr 16 18:26:34 1992 Per Bothner (bothner@cygnus.com)
+
+ * rs6000-pinsn.c: New version from IBM (Metin).
+ * m2-exp.y: Re-write string initializers ("<>" => {'<', '>'})
+ to avoid warnings from some compilers.
+
Tue Apr 14 22:33:55 1992 Fred Fish (fnf@cygnus.com)
* gdbtypes.h (FT_FIXED_DECIMAL, FT_FLOAT_DECIMAL): Add defines.
int token;
} tokentab2[] =
{
- {"<>", NOTEQUAL },
- {":=", ASSIGN },
- {"<=", LEQ },
- {">=", GEQ },
- {"::", COLONCOLON },
+ { {'<', '>'}, NOTEQUAL },
+ { {':', '='}, ASSIGN },
+ { {'<', '='}, LEQ },
+ { {'>', '='}, GEQ },
+ { {':', ':'}, COLONCOLON },
};
CORE_ADDR memaddr;
FILE *stream;
{
- int pop, eop; /* primary and extended opcodes */
+ int pop, eop, probable_eop; /* primary and extended opcodes */
int min, max;
int best = -1; /* found best opcode index */
int oldbest = -1;
read_memory (memaddr, &the_insn, sizeof (the_insn));
pop = (unsigned)(the_insn >> 26);
- eop = ((the_insn) >> 1) & 0x3ff;
min = 0, max = NOPCODES-1;
while (min < max) {
min = best;
else {
- /* opcode matched, check extended opcode. */
+ /* Opcode matched, check extended opcode. */
if (rs6k_ops [best].e_opcode == -1) {
/* there is no valid extended opcode, what we've got is
goto insn_found;
}
- else if (eop < rs6k_ops [best].e_opcode) {
+ /* Largest possible value of extended opcode. */
+ probable_eop = ((the_insn) >> 1) & 0x3ff;
+
+ eop = probable_eop & eopMask [rs6k_ops [best].format];
+
+ if (eop < rs6k_ops [best].e_opcode) {
while (pop == rs6k_ops [best].p_opcode) {
if (eop == rs6k_ops [best].e_opcode) /* found it! */
goto insn_found;
--best;
+ eop = probable_eop & eopMask [rs6k_ops [best].format];
}
goto not_found;
}
if (eop == rs6k_ops [best].e_opcode) /* found it! */
goto insn_found;
++best;
+ eop = probable_eop & eopMask [rs6k_ops [best].format];
}
goto not_found;
}