static long extract_d9 PARAMS ((unsigned long, int *));
static unsigned long insert_d22 PARAMS ((unsigned long, long, const char **));
static long extract_d22 PARAMS ((unsigned long, int *));
+static unsigned long insert_d16_15 PARAMS ((unsigned long, long,
+ const char **));
+static long extract_d16_15 PARAMS ((unsigned long, int *));
+static unsigned long insert_d8_7 PARAMS ((unsigned long, long, const char **));
+static long extract_d8_7 PARAMS ((unsigned long, int *));
+static unsigned long insert_d8_6 PARAMS ((unsigned long, long, const char **));
+static long extract_d8_6 PARAMS ((unsigned long, int *));
/* regular opcode */
#define OP(x) ((x & 0x3f) << 5)
{ 16, 16, 0, 0, V850_OPERAND_SIGNED },
/* The signed DISP7 field in a format 4 insn. */
-#define D7S (I16+1)
- { 7, 0, 0, 0, V850_OPERAND_SIGNED },
+#define D7 (I16+1)
+ { 7, 0, 0, 0, 0},
/* The DISP9 field in a format 3 insn. */
-#define D9 (D7S+1)
+#define D9 (D7+1)
{ 9, 0, insert_d9, extract_d9, V850_OPERAND_SIGNED },
/* The DISP16 field in a format 6 insn. */
-#define D16 (D9+1)
- { 16, 16, 0, 0, V850_OPERAND_SIGNED },
+#define D16_15 (D9+1)
+ { 16, 16, insert_d16_15, extract_d16_15, V850_OPERAND_SIGNED },
/* The DISP22 field in a format 4 insn. */
-#define D22 (D16+1)
+#define D22 (D16_15+1)
{ 22, 0, insert_d22, extract_d22, V850_OPERAND_SIGNED },
#define B3 (D22+1)
/* The 4 bit condition code in a setf instruction */
{ 4, 0, 0, 0, V850_OPERAND_CC },
-/* The unsigned DISP8 field in a format 4 insn. */
-#define D8 (CCCC+1)
- { 8, 0, 0, 0, 0 },
+/* The unsigned DISP8_7 field in a format 4 insn. */
+#define D8_7 (CCCC+1)
+ { 8, 0, insert_d8_7, extract_d8_7, 0 },
+
+/* The unsigned DISP8_6 field in a format 4 insn. */
+#define D8_6 (D8_7+1)
+ { 8, 0, insert_d8_6, extract_d8_6, 0 },
/* System register operands. */
-#define SR1 (D8+1)
+#define SR1 (D8_6+1)
{ 5, 0, 0, 0, V850_OPERAND_SRG },
/* EP Register. */
#define SR2 (I16U+1)
{ 5, 11, 0, 0, V850_OPERAND_SRG },
+/* The DISP16 field in a format 8 insn. */
+#define D16 (SR2+1)
+ { 16, 16, 0, 0, V850_OPERAND_SIGNED },
+
} ;
\f
#define IF3 {D9}
/* 16-bit load/store instruction (Format IV) */
-#define IF4A {D7S, EP, R2}
-#define IF4B {R2, D7S, EP}
-#define IF4C {D8, EP, R2}
-#define IF4D {R2, D8, EP}
+#define IF4A {D7, EP, R2}
+#define IF4B {R2, D7, EP}
+#define IF4C {D8_7, EP, R2}
+#define IF4D {R2, D8_7, EP}
+#define IF4E {D8_6, EP, R2}
+#define IF4F {R2, D8_6, EP}
/* Jump instruction (Format V) */
#define IF5 {D22}
/* 3 operand instruction (Format VI) */
#define IF6U {I16U, R1, R2}
-/* 32-bit load/store instruction (Format VII) */
-#define IF7A {D16, R1, R2}
-#define IF7B {R2, D16, R1}
+/* 32-bit load/store half/word instruction (Format VII) */
+#define IF7A {D16_15, R1, R2}
+#define IF7B {R2, D16_15, R1}
+
+/* 32-bit load/store byte instruction (Format VII) */
+#define IF7C {D16, R1, R2}
+#define IF7D {R2, D16, R1}
/* Bit manipulation function. */
const struct v850_opcode v850_opcodes[] = {
/* load/store instructions */
{ "sld.b", one(0x0300), one(0x0780), IF4A, 2 },
-{ "sld.h", one(0x0400), one(0x0780), IF4A, 2 },
-{ "sld.w", one(0x0500), one(0x0781), IF4A, 2 },
+{ "sld.h", one(0x0400), one(0x0780), IF4C, 2 },
+{ "sld.w", one(0x0500), one(0x0781), IF4E, 2 },
{ "sst.b", one(0x0380), one(0x0780), IF4B, 2 },
{ "sst.h", one(0x0480), one(0x0780), IF4D, 2 },
-{ "sst.w", one(0x0501), one(0x0781), IF4D, 2 },
+{ "sst.w", one(0x0501), one(0x0781), IF4F, 2 },
-{ "ld.b", two(0x0700,0x0000), two (0x07e0,0x0000), IF7A, 4 },
+{ "ld.b", two(0x0700,0x0000), two (0x07e0,0x0000), IF7C, 4 },
{ "ld.h", two(0x0720,0x0000), two (0x07e0,0x0001), IF7A, 4 },
{ "ld.w", two(0x0720,0x0001), two (0x07e0,0x0001), IF7A, 4 },
-{ "st.b", two(0x0740,0x0000), two (0x07e0,0x0000), IF7B, 4 },
+{ "st.b", two(0x0740,0x0000), two (0x07e0,0x0000), IF7D, 4 },
{ "st.h", two(0x0760,0x0000), two (0x07e0,0x0001), IF7B, 4 },
{ "st.w", two(0x0760,0x0001), two (0x07e0,0x0001), IF7B, 4 },
const char **errmsg;
{
if (value > 255 || value <= -256)
- *errmsg = "value out of range";
+ *errmsg = "branch value out of range";
+
+ if ((value % 2) != 0)
+ *errmsg = "branch to odd offset";
return (insn | ((value & 0x1f0) << 7) | ((value & 0x0e) << 3));
}
const char **errmsg;
{
if (value > 0xfffff || value <= -0x100000)
- *errmsg = "value out of range";
+ *errmsg = "branch value out of range";
+
+ if ((value % 2) != 0)
+ *errmsg = "branch to odd offset";
return (insn | ((value & 0xfffe) << 16) | ((value & 0x3f0000) >> 16));
}
return ((ret << 10) >> 10);
}
+
+static unsigned long
+insert_d16_15 (insn, value, errmsg)
+ unsigned long insn;
+ long value;
+ const char **errmsg;
+{
+ if (value > 0x7fff || value <= -0x8000)
+ *errmsg = "value out of range";
+
+ if ((value % 2) != 0)
+ *errmsg = "load/store half/word at odd offset";
+
+ return (insn | ((value & 0xfffe) << 16));
+}
+
+static long
+extract_d16_15 (insn, invalid)
+ unsigned long insn;
+ int *invalid;
+{
+ int ret = ((insn & 0xfffe0000) >> 16);
+
+ return ((ret << 16) >> 16);
+}
+
+static unsigned long
+insert_d8_7 (insn, value, errmsg)
+ unsigned long insn;
+ long value;
+ const char **errmsg;
+{
+ if (value > 0xff || value < 0)
+ *errmsg = "short load/store half value out of range";
+
+ if ((value % 2) != 0)
+ *errmsg = "short load/store half at odd offset";
+
+ value >>= 1;
+
+ return (insn | (value & 0x7f));
+}
+
+static long
+extract_d8_7 (insn, invalid)
+ unsigned long insn;
+ int *invalid;
+{
+ int ret = (insn & 0x7f);
+
+ return ret << 1;
+}
+
+static unsigned long
+insert_d8_6 (insn, value, errmsg)
+ unsigned long insn;
+ long value;
+ const char **errmsg;
+{
+ if (value > 0xff || value < 0)
+ *errmsg = "short load/store word value out of range";
+
+ if ((value % 4) != 0)
+ *errmsg = "short load/store word at odd offset";
+
+ value >>= 1;
+
+ return (insn | (value & 0x7e));
+}
+
+static long
+extract_d8_6 (insn, invalid)
+ unsigned long insn;
+ int *invalid;
+{
+ int ret = (insn & 0x7e);
+
+ return ret << 1;
+}
projects / deliverable / binutils-gdb.git / blobdiff