diff options
Diffstat (limited to 'opcodes')
| -rw-r--r-- | opcodes/ChangeLog | 5 | ||||
| -rw-r--r-- | opcodes/riscv-opc.c | 2 |
2 files changed, 7 insertions, 0 deletions
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog index 0df7e50..e5aa59d 100644 --- a/opcodes/ChangeLog +++ b/opcodes/ChangeLog @@ -1,3 +1,8 @@ +2020-02-19 Nelson Chu <nelson.chu@sifive.com> + + * riscv-opc.c (riscv_opcodes): Convert add/addi to the compressed + c.mv/c.li if rs1 is zero. + 2020-02-17 H.J. Lu <hongjiu.lu@intel.com> * i386-gen.c (cpu_flag_init): Replace CpuABM with diff --git a/opcodes/riscv-opc.c b/opcodes/riscv-opc.c index cc46d16..ceedcaf 100644 --- a/opcodes/riscv-opc.c +++ b/opcodes/riscv-opc.c @@ -269,12 +269,14 @@ const struct riscv_opcode riscv_opcodes[] = {"addi", 0, INSN_CLASS_C, "d,CU,Cj", MATCH_C_ADDI, MASK_C_ADDI, match_rd_nonzero, INSN_ALIAS }, {"addi", 0, INSN_CLASS_C, "d,CU,z", MATCH_C_NOP, MASK_C_ADDI | MASK_RVC_IMM, match_c_nop, INSN_ALIAS }, {"addi", 0, INSN_CLASS_C, "Cc,Cc,CL", MATCH_C_ADDI16SP, MASK_C_ADDI16SP, match_c_addi16sp, INSN_ALIAS }, +{"addi", 0, INSN_CLASS_C, "d,Cz,Co", MATCH_C_LI, MASK_C_LI, match_rd_nonzero, INSN_ALIAS }, {"addi", 0, INSN_CLASS_I, "d,s,j", MATCH_ADDI, MASK_ADDI, match_opcode, 0 }, {"add", 0, INSN_CLASS_C, "d,CU,CV", MATCH_C_ADD, MASK_C_ADD, match_c_add, INSN_ALIAS }, {"add", 0, INSN_CLASS_C, "d,CV,CU", MATCH_C_ADD, MASK_C_ADD, match_c_add, INSN_ALIAS }, {"add", 0, INSN_CLASS_C, "d,CU,Co", MATCH_C_ADDI, MASK_C_ADDI, match_rd_nonzero, INSN_ALIAS }, {"add", 0, INSN_CLASS_C, "Ct,Cc,CK", MATCH_C_ADDI4SPN, MASK_C_ADDI4SPN, match_c_addi4spn, INSN_ALIAS }, {"add", 0, INSN_CLASS_C, "Cc,Cc,CL", MATCH_C_ADDI16SP, MASK_C_ADDI16SP, match_c_addi16sp, INSN_ALIAS }, +{"add", 0, INSN_CLASS_C, "d,Cz,CV", MATCH_C_MV, MASK_C_MV, match_c_add, INSN_ALIAS }, {"add", 0, INSN_CLASS_I, "d,s,t", MATCH_ADD, MASK_ADD, match_opcode, 0 }, /* This is used for TLS, where the fourth arg is %tprel_add, to get a reloc applied to an add instruction, for relaxation to use. */ |