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| author | Andrew Waterman <waterman@cs.berkeley.edu> | 2015-05-31 16:38:24 -0700 |
|---|---|---|
| committer | Andrew Waterman <waterman@cs.berkeley.edu> | 2015-05-31 18:29:45 -0700 |
| commit | 56701b230823f52c252ce6ab69c18639daa02a14 (patch) | |
| tree | 96935c7b7154db38f675210f94b5dea34bef84f2 /riscv/insns/c_slliw.h | |
| parent | 5235a77475ff00aecafb9db4c1b003043d2d7f20 (diff) | |
| download | spike-56701b230823f52c252ce6ab69c18639daa02a14.zip spike-56701b230823f52c252ce6ab69c18639daa02a14.tar.gz spike-56701b230823f52c252ce6ab69c18639daa02a14.tar.bz2 | |
Add rest of RV32C instructions
Diffstat (limited to 'riscv/insns/c_slliw.h')
| -rw-r--r-- | riscv/insns/c_slliw.h | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/riscv/insns/c_slliw.h b/riscv/insns/c_slliw.h index 87a5901..643bf74 100644 --- a/riscv/insns/c_slliw.h +++ b/riscv/insns/c_slliw.h @@ -1,5 +1,13 @@ require_extension('C'); -require_rv64; -require(insn.rvc_rd() != 0); -require(insn.rvc_imm() < 32); -WRITE_RD(sext32(RVC_RS1 << insn.rvc_imm())); +if (xlen == 32) { + switch ((insn.bits() >> 5) & 3) { + case 0: WRITE_RVC_RS2S(sext_xlen(RVC_RS1S + insn.rvc_simm3())); // c.addin + case 1: WRITE_RVC_RS2S(sext_xlen(RVC_RS1S ^ insn.rvc_simm3())); // c.xorin + case 2: WRITE_RVC_RS2S(sext_xlen(RVC_RS1S | insn.rvc_simm3())); // c.orin + case 3: WRITE_RVC_RS2S(sext_xlen(RVC_RS1S & insn.rvc_simm3())); // c.andin + } +} else { + require(insn.rvc_rd() != 0); + require(insn.rvc_imm() < 32); + WRITE_RD(sext32(RVC_RS1 << insn.rvc_imm())); +} |