2004-11-19 Alan Modra <amodra@bigpond.net.au>
+ * config/tc-msp430.c (struct rcodes_s, MSP430_RLC, msp430_rcodes,
+ struct hcodes_s, msp430_hcodes): From include/opcode/msp430.h.
+
+2004-11-19 Alan Modra <amodra@bigpond.net.au>
+
* config/obj-coff.c (c_dot_file_symbol): Add "app" param.
(coff_adjust_symtab): Adjust call.
(crawl_symbols): Likewise.
#include "opcode/msp430.h"
#include "safe-ctype.h"
+/* GCC uses the some condition codes which we'll
+ implement as new polymorph instructions.
+
+ COND EXPL SHORT JUMP LONG JUMP
+ ===============================================
+ eq == jeq jne +4; br lab
+ ne != jne jeq +4; br lab
+
+ ltn honours no-overflow flag
+ ltn < jn jn +2; jmp +4; br lab
+
+ lt < jl jge +4; br lab
+ ltu < jlo lhs +4; br lab
+ le <= see below
+ leu <= see below
+
+ gt > see below
+ gtu > see below
+ ge >= jge jl +4; br lab
+ geu >= jhs jlo +4; br lab
+ ===============================================
+
+ Therefore, new opcodes are (BranchEQ -> beq; and so on...)
+ beq,bne,blt,bltn,bltu,bge,bgeu
+ 'u' means unsigned compares
+
+ Also, we add 'jump' instruction:
+ jump UNCOND -> jmp br lab
+
+ They will have fmt == 4, and insn_opnumb == number of instruction. */
+
+struct rcodes_s
+{
+ char * name;
+ int index; /* Corresponding insn_opnumb. */
+ int sop; /* Opcode if jump length is short. */
+ long lpos; /* Label position. */
+ long lop0; /* Opcode 1 _word_ (16 bits). */
+ long lop1; /* Opcode second word. */
+ long lop2; /* Opcode third word. */
+};
+
+#define MSP430_RLC(n,i,sop,o1) \
+ {#n, i, sop, 2, (o1 + 2), 0x4010, 0}
+
+static struct rcodes_s msp430_rcodes[] =
+{
+ MSP430_RLC (beq, 0, 0x2400, 0x2000),
+ MSP430_RLC (bne, 1, 0x2000, 0x2400),
+ MSP430_RLC (blt, 2, 0x3800, 0x3400),
+ MSP430_RLC (bltu, 3, 0x2800, 0x2c00),
+ MSP430_RLC (bge, 4, 0x3400, 0x3800),
+ MSP430_RLC (bgeu, 5, 0x2c00, 0x2800),
+ {"bltn", 6, 0x3000, 3, 0x3000 + 1, 0x3c00 + 2,0x4010},
+ {"jump", 7, 0x3c00, 1, 0x4010, 0, 0},
+ {0,0,0,0,0,0,0}
+};
+#undef MSP430_RLC
+
+
+/* More difficult than above and they have format 5.
+
+ COND EXPL SHORT LONG
+ =================================================================
+ gt > jeq +2; jge label jeq +6; jl +4; br label
+ gtu > jeq +2; jhs label jeq +6; jlo +4; br label
+ leu <= jeq label; jlo label jeq +2; jhs +4; br label
+ le <= jeq label; jl label jeq +2; jge +4; br label
+ ================================================================= */
+
+struct hcodes_s
+{
+ char * name;
+ int index; /* Corresponding insn_opnumb. */
+ int tlab; /* Number of labels in short mode. */
+ int op0; /* Opcode for first word of short jump. */
+ int op1; /* Opcode for second word of short jump. */
+ int lop0; /* Opcodes for long jump mode. */
+ int lop1;
+ int lop2;
+};
+
+static struct hcodes_s msp430_hcodes[] =
+{
+ {"bgt", 0, 1, 0x2401, 0x3400, 0x2403, 0x3802, 0x4010 },
+ {"bgtu", 1, 1, 0x2401, 0x2c00, 0x2403, 0x2802, 0x4010 },
+ {"bleu", 2, 2, 0x2400, 0x2800, 0x2401, 0x2c02, 0x4010 },
+ {"ble", 3, 2, 0x2400, 0x3800, 0x2401, 0x3402, 0x4010 },
+ {0,0,0,0,0,0,0,0}
+};
+
const char comment_chars[] = ";";
const char line_comment_chars[] = "#";
const char line_separator_chars[] = "";
+2004-11-19 Alan Modra <amodra@bigpond.net.au>
+
+ * msp430.h (struct rcodes_s, MSP430_RLC, msp430_rcodes,
+ struct hcodes_s, msp430_hcodes): Move to gas/config/tc-msp430.c.
+
2004-11-08 Inderpreet Singh <inderpreetb@nioda.hcltech.com>
Vineet Sharma <vineets@noida.hcltech.com>
{ NULL, 0, 0, 0, 0 }
};
-/* GCC uses the some condition codes which we'll
- implement as new polymorph instructions.
-
- COND EXPL SHORT JUMP LONG JUMP
- ===============================================
- eq == jeq jne +4; br lab
- ne != jne jeq +4; br lab
-
- ltn honours no-overflow flag
- ltn < jn jn +2; jmp +4; br lab
-
- lt < jl jge +4; br lab
- ltu < jlo lhs +4; br lab
- le <= see below
- leu <= see below
-
- gt > see below
- gtu > see below
- ge >= jge jl +4; br lab
- geu >= jhs jlo +4; br lab
- ===============================================
-
- Therefore, new opcodes are (BranchEQ -> beq; and so on...)
- beq,bne,blt,bltn,bltu,bge,bgeu
- 'u' means unsigned compares
-
- Also, we add 'jump' instruction:
- jump UNCOND -> jmp br lab
-
- They will have fmt == 4, and insn_opnumb == number of instruction. */
-
-struct rcodes_s
-{
- char * name;
- int index; /* Corresponding insn_opnumb. */
- int sop; /* Opcode if jump length is short. */
- long lpos; /* Label position. */
- long lop0; /* Opcode 1 _word_ (16 bits). */
- long lop1; /* Opcode second word. */
- long lop2; /* Opcode third word. */
-};
-
-#define MSP430_RLC(n,i,sop,o1) \
- {#n, i, sop, 2, (o1 + 2), 0x4010, 0}
-
-static struct rcodes_s msp430_rcodes[] =
-{
- MSP430_RLC (beq, 0, 0x2400, 0x2000),
- MSP430_RLC (bne, 1, 0x2000, 0x2400),
- MSP430_RLC (blt, 2, 0x3800, 0x3400),
- MSP430_RLC (bltu, 3, 0x2800, 0x2c00),
- MSP430_RLC (bge, 4, 0x3400, 0x3800),
- MSP430_RLC (bgeu, 5, 0x2c00, 0x2800),
- {"bltn", 6, 0x3000, 3, 0x3000 + 1, 0x3c00 + 2,0x4010},
- {"jump", 7, 0x3c00, 1, 0x4010, 0, 0},
- {0,0,0,0,0,0,0}
-};
-#undef MSP430_RLC
-
-
-/* More difficult than above and they have format 5.
-
- COND EXPL SHORT LONG
- =================================================================
- gt > jeq +2; jge label jeq +6; jl +4; br label
- gtu > jeq +2; jhs label jeq +6; jlo +4; br label
- leu <= jeq label; jlo label jeq +2; jhs +4; br label
- le <= jeq label; jl label jeq +2; jge +4; br label
- ================================================================= */
-
-struct hcodes_s
-{
- char * name;
- int index; /* Corresponding insn_opnumb. */
- int tlab; /* Number of labels in short mode. */
- int op0; /* Opcode for first word of short jump. */
- int op1; /* Opcode for second word of short jump. */
- int lop0; /* Opcodes for long jump mode. */
- int lop1;
- int lop2;
-};
-
-static struct hcodes_s msp430_hcodes[] =
-{
- {"bgt", 0, 1, 0x2401, 0x3400, 0x2403, 0x3802, 0x4010 },
- {"bgtu", 1, 1, 0x2401, 0x2c00, 0x2403, 0x2802, 0x4010 },
- {"bleu", 2, 2, 0x2400, 0x2800, 0x2401, 0x2c02, 0x4010 },
- {"ble", 3, 2, 0x2400, 0x3800, 0x2401, 0x3402, 0x4010 },
- {0,0,0,0,0,0,0,0}
-};
-
#endif
projects / platform / upstream / binutils.git / commitdiff