From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Tue, 13 Nov 2018 15:53:27 +0000 (+0000)
Subject: csrrwi cut out extraneous get_csr
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=60183bf4b31396dd839b8f88f1fa0d1c8a28b6f4;p=riscv-isa-sim.git

csrrwi cut out extraneous get_csr
---

diff --git a/riscv/insns/csrrwi.h b/riscv/insns/csrrwi.h
index 7e1c4f7..1fe1945 100644
--- a/riscv/insns/csrrwi.h
+++ b/riscv/insns/csrrwi.h
@@ -15,8 +15,7 @@ if (csr == CSR_USVVL || csr == CSR_USVMVL)
     old = p->get_csr(csr);
 }
 #else
-reg_t old = p->get_csr(csr);
-p->set_csr(csr, insn.insn_t::rs1());
+reg_t old = p->set_csr(csr, insn.insn_t::rs1());
 #endif
 WRITE_RD(sext_xlen(sv_reg_t(old)));
 serialize();