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[PATCH 7/9] Add canonical JALR assembly representation


From: Andrew Waterman <andrew@sifive.com>

    jalr rd,offset(rs1)

rather than

    jalr rd,rs1,offset

This matches the format of other instructions.

opcodes/ChangeLog

2016-12-14 Andrew Waterman <andrew@sifive.com>

        * riscv-opc.c (riscv_opcodes): Change jr and jalr to "o(s)"
        format.
---
 opcodes/riscv-opc.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/opcodes/riscv-opc.c b/opcodes/riscv-opc.c
index 256e089..69fca09 100644
--- a/opcodes/riscv-opc.c
+++ b/opcodes/riscv-opc.c
@@ -132,11 +132,14 @@ const struct riscv_opcode riscv_opcodes[] =
 {"ret",       "I",   "",  MATCH_JALR | (X_RA << OP_SH_RS1), MASK_JALR | MASK_RD | MASK_RS1 | MASK_IMM, match_opcode, INSN_ALIAS },
 {"jr",        "C",   "d",  MATCH_C_JR, MASK_C_JR, match_rd_nonzero, INSN_ALIAS },
 {"jr",        "I",   "s",  MATCH_JALR, MASK_JALR | MASK_RD | MASK_IMM, match_opcode, INSN_ALIAS },
+{"jr",        "I",   "o(s)",  MATCH_JALR, MASK_JALR | MASK_RD, match_opcode, INSN_ALIAS },
 {"jr",        "I",   "s,j",  MATCH_JALR, MASK_JALR | MASK_RD, match_opcode, INSN_ALIAS },
 {"jalr",      "C",   "d",  MATCH_C_JALR, MASK_C_JALR, match_rd_nonzero, INSN_ALIAS },
 {"jalr",      "I",   "s",  MATCH_JALR | (X_RA << OP_SH_RD), MASK_JALR | MASK_RD | MASK_IMM, match_opcode, INSN_ALIAS },
+{"jalr",      "I",   "o(s)",  MATCH_JALR | (X_RA << OP_SH_RD), MASK_JALR | MASK_RD, match_opcode, INSN_ALIAS },
 {"jalr",      "I",   "s,j",  MATCH_JALR | (X_RA << OP_SH_RD), MASK_JALR | MASK_RD, match_opcode, INSN_ALIAS },
 {"jalr",      "I",   "d,s",  MATCH_JALR, MASK_JALR | MASK_IMM, match_opcode, INSN_ALIAS },
+{"jalr",      "I",   "d,o(s)",  MATCH_JALR, MASK_JALR, match_opcode, 0 },
 {"jalr",      "I",   "d,s,j",  MATCH_JALR, MASK_JALR, match_opcode, 0 },
 {"j",         "C",   "Ca",  MATCH_C_J, MASK_C_J, match_opcode, INSN_ALIAS },
 {"j",         "I",   "a",  MATCH_JAL, MASK_JAL | MASK_RD, match_opcode, INSN_ALIAS },
-- 
2.10.2


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