static int64_t
extract_dxdn (uint64_t insn,
ppc_cpu_t dialect ATTRIBUTE_UNUSED,
- int *invalid ATTRIBUTE_UNUSED)
+ int *invalid)
{
return -extract_dxd (insn, dialect, invalid);
}
ppc_cpu_t dialect ATTRIBUTE_UNUSED,
int *invalid)
{
- int64_t mask = (insn >> 12) & 0xff;
+ /* Return a value of -1 for a missing optional operand, which is
+ used as a flag by insert_fxm. */
+ if (*invalid < 0)
+ return -1;
+ int64_t mask = (insn >> 12) & 0xff;
/* Is this a Power4 insn? */
if ((insn & (1 << 20)) != 0)
{
ppc_cpu_t dialect,
int *invalid)
{
- uint64_t lvalue = (insn >> 21) & 3;
+ /* Missing optional operands have a value of zero. */
+ if (*invalid < 0)
+ return 0;
+ uint64_t lvalue = (insn >> 21) & 3;
if (((insn >> 1) & 0x3ff) == 598)
{
uint64_t max_lvalue = (dialect & PPC_OPCODE_POWER4) ? 2 : 1;
static uint64_t
insert_esync (uint64_t insn,
int64_t value,
- ppc_cpu_t dialect,
+ ppc_cpu_t dialect ATTRIBUTE_UNUSED,
const char **errmsg)
{
uint64_t ls = (insn >> 21) & 0x03;
- if (value == 0)
- {
- if (((dialect & PPC_OPCODE_E6500) != 0 && ls > 1)
- || ((dialect & PPC_OPCODE_POWER9) != 0 && ls > 2))
- *errmsg = _("illegal L operand value");
- return insn;
- }
-
- if ((ls & ~0x1)
- || (((value >> 1) & 0x1) ^ ls) == 0)
+ if (value != 0
+ && ((~value >> 1) & 0x1) != ls)
*errmsg = _("incompatible L operand value");
return insn | ((value & 0xf) << 16);
static int64_t
extract_esync (uint64_t insn,
- ppc_cpu_t dialect,
+ ppc_cpu_t dialect ATTRIBUTE_UNUSED,
int *invalid)
{
- uint64_t ls = (insn >> 21) & 0x3;
- uint64_t lvalue = (insn >> 16) & 0xf;
+ if (*invalid < 0)
+ return 0;
- if (lvalue == 0)
- {
- if (((dialect & PPC_OPCODE_E6500) != 0 && ls > 1)
- || ((dialect & PPC_OPCODE_POWER9) != 0 && ls > 2))
- *invalid = 1;
- }
- else if ((ls & ~0x1)
- || (((lvalue >> 1) & 0x1) ^ ls) == 0)
+ uint64_t ls = (insn >> 21) & 0x3;
+ uint64_t value = (insn >> 16) & 0xf;
+ if (value != 0
+ && ((~value >> 1) & 0x1) != ls)
*invalid = 1;
-
- return lvalue;
+ return value;
}
/* The MB and ME fields in an M form instruction expressed as a single
ppc_cpu_t dialect ATTRIBUTE_UNUSED,
int *invalid)
{
+ if (*invalid < 0)
+ return 0;
+
uint64_t rtvalue = (insn >> 21) & 0x1f;
uint64_t ravalue = (insn >> 16) & 0x1f;
-
if (ravalue == rtvalue)
*invalid = 1;
return ravalue;
ppc_cpu_t dialect ATTRIBUTE_UNUSED,
int *invalid)
{
+ if (*invalid < 0)
+ return 268;
+
int64_t ret = ((insn >> 16) & 0x1f) | ((insn >> 6) & 0x3e0);
if (ret != 268 && ret != 269)
*invalid = 1;
static int64_t
extract_vlensi (uint64_t insn,
ppc_cpu_t dialect ATTRIBUTE_UNUSED,
- int *invalid ATTRIBUTE_UNUSED)
+ int *invalid)
{
int64_t value = ((insn >> 10) & 0xf800) | (insn & 0x7ff);
value = (value ^ 0x8000) - 0x8000;
{
return ((insn >> 11) & 0x3) | ((insn << 2) & 0x4);
}
+
+static uint64_t
+insert_sxl (uint64_t insn,
+ int64_t value,
+ ppc_cpu_t dialect ATTRIBUTE_UNUSED,
+ const char **errmsg ATTRIBUTE_UNUSED)
+{
+ return insn | ((value & 0x1) << 11);
+}
+
+static int64_t
+extract_sxl (uint64_t insn,
+ ppc_cpu_t dialect ATTRIBUTE_UNUSED,
+ int *invalid)
+{
+ if (*invalid < 0)
+ return 1;
+ return (insn >> 11) & 0x1;
+}
\f
/* The operands table.
/* Power4 version for mfcr. */
#define FXM4 FXM + 1
- { 0xff, 12, insert_fxm, extract_fxm,
- PPC_OPERAND_OPTIONAL | PPC_OPERAND_OPTIONAL_VALUE},
- /* If the FXM4 operand is ommitted, use the sentinel value -1. */
- { -1, -1, NULL, NULL, 0},
+ { 0xff, 12, insert_fxm, extract_fxm, PPC_OPERAND_OPTIONAL },
/* The IMM20 field in an LI instruction. */
-#define IMM20 FXM4 + 2
+#define IMM20 FXM4 + 1
{ 0xfffff, PPC_OPSHIFT_INV, insert_li20, extract_li20, PPC_OPERAND_SIGNED},
/* The L field in a D or X form instruction. */
field, but it is optional. */
#define TBR SV + 1
{ 0x3ff, 11, insert_tbr, extract_tbr,
- PPC_OPERAND_SPR | PPC_OPERAND_OPTIONAL | PPC_OPERAND_OPTIONAL_VALUE},
- /* If the TBR operand is ommitted, use the value 268. */
- { -1, 268, NULL, NULL, 0},
+ PPC_OPERAND_SPR | PPC_OPERAND_OPTIONAL },
/* The TO field in a D or X form instruction. */
-#define TO TBR + 2
+#define TO TBR + 1
#define DUI TO
#define TO_MASK (0x1f << 21)
{ 0x1f, 21, NULL, NULL, 0 },
/* The S field in a XL form instruction. */
#define SXL S + 1
- { 0x1, 11, NULL, NULL, PPC_OPERAND_OPTIONAL | PPC_OPERAND_OPTIONAL_VALUE},
- /* If the SXL operand is ommitted, use the value 1. */
- { -1, 1, NULL, NULL, 0},
+ { 0x1, 11, insert_sxl, extract_sxl, PPC_OPERAND_OPTIONAL },
/* SH field starting at bit position 16. */
-#define SH16 SXL + 2
+#define SH16 SXL + 1
/* The DCM and DGM fields in a Z form instruction. */
#define DCM SH16
#define DGM DCM