diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/ChangeLog | 6 | ||||
| -rw-r--r-- | include/opcode/riscv.h | 10 |
2 files changed, 14 insertions, 2 deletions
diff --git a/include/ChangeLog b/include/ChangeLog index 6c19b1d..b8fcefd 100644 --- a/include/ChangeLog +++ b/include/ChangeLog @@ -1,3 +1,9 @@ +2018-08-30 Kito Cheng <kito@andestech.com> + + * opcode/riscv.h (MAX_SUBSET_NUM): New. + (riscv_opcode): Add xlen_requirement field and change type of + subset. + 2018-08-29 Chenghua Xu <paul.hua.gm@gmail.com> * elf/mips.h (E_MIPS_MACH_XXX): New E_MIPS_MACH_GS264E. diff --git a/include/opcode/riscv.h b/include/opcode/riscv.h index d9a5438..68047a5 100644 --- a/include/opcode/riscv.h +++ b/include/opcode/riscv.h @@ -281,14 +281,20 @@ static const char * const riscv_pred_succ[16] = #define EXTRACT_OPERAND(FIELD, INSN) \ EXTRACT_BITS ((INSN), OP_MASK_##FIELD, OP_SH_##FIELD) +/* The maximal number of subset can be required. */ +#define MAX_SUBSET_NUM 4 + /* This structure holds information for a particular instruction. */ struct riscv_opcode { /* The name of the instruction. */ const char *name; - /* The ISA subset name (I, M, A, F, D, Xextension). */ - const char *subset; + /* The requirement of xlen for the instruction, 0 if no requirement. */ + int xlen_requirement; + /* An array of ISA subset name (I, M, A, F, D, Xextension), must ended + with a NULL pointer sential. */ + const char *subset[MAX_SUBSET_NUM]; /* A string describing the arguments for this instruction. */ const char *args; /* The basic opcode for the instruction. When assembling, this |