------- Comment #4 from pinskia at gcc dot gnu dot org 2005-10-06 13:40 -------
Confirmed, reduced testcase:
typedef struct {
int basereg, indexreg, scale;
long segment;
long offset;
} operand;
typedef struct extop {
operand oprs[3];
} insn;
enum { I_CMOVcc, I_Jcc, I_SETcc };
struct itemplate {
int opcode;
int operands;
long opd[3];
const char *code;
};
static int ico[] = {
I_CMOVcc, I_Jcc, I_SETcc
};
static int matches(struct itemplate *t, unsigned char *data, int asize,
int osize, int segsize, int rep, insn * ins)
{
unsigned char *r = (unsigned char *)(t->code);
unsigned char *origdata = data;
while (*r) {
int c = *r++;
if (c >= 01 && c <= 03) {
switch (*data++) {
case 0x1F:
return 0;
}
}
if (c == 05) {
switch (*data++) {
case 0x06:
ins->oprs[0].basereg = 1;
}
}
if (c == 07)
data++;
if (c >= 010 && c <= 012)
data++;
if (c == 017)
data++;
if (c >= 014 && c <= 016)
data++;
if (c >= 020 && c <= 022)
data++;
if (c >= 024 && c <= 026)
data++;
if (c >= 030 && c <= 032)
data++;
if (c >= 034 && c <= 036)
data++;
if (c >= 040 && c <= 042)
data++;
if (c >= 044 && c <= 046)
data++;
if (c >= 050 && c <= 052)
data++;
if (c >= 060 && c <= 062)
data++;
if (c >= 064 && c <= 066)
data++;
if (c >= 070 && c <= 072)
data++;
if (c >= 0100 && c < 0130)
data++;
if (c >= 0130 && c <= 0132)
data++;
if (c >= 0140 && c <= 0142)
data++;
if (c >= 0200 && c <= 0277)
data++;
}
return data - origdata;
}
void disasm(unsigned char *data, char *output, int outbufsize, int segsize,
long offset, int autosync, unsigned long prefer)
{
struct itemplate **p, **best_p;
int length, best_length = 0;
int rep, lock, asize, osize, i, slen, colon;
insn tmp_ins, ins;
for (; *p; p++)
if ((length = matches(*p, data, asize, osize, segsize, rep, &tmp_ins)))
for (i = 0; i < (*p)->operands; i++)
if (tmp_ins.oprs[i].segment & 4)
break;
for (i = 0; i < ( sizeof(ico) / sizeof(*(ico)) ); i++)
if ((*p)->opcode == ico[i])
break;
}
--
pinskia at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |4.1.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24226
