From: Christopher Celio <celio@eecs.berkeley.edu>
Date: Tue, 15 Sep 2015 22:05:11 +0000 (-0700)
Subject: Zero-extend flw, fmv_s_x instructions
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=95d49c1d512e87a36107c31fb0c0598a2554751b;p=riscv-isa-sim.git

Zero-extend flw, fmv_s_x instructions

   - This makes Spike more consistent with its zero-extending behavior
     regarding other SP operations when placed into the 64b f-registers.
---

diff --git a/riscv/insns/flw.h b/riscv/insns/flw.h
index b94ba5d..489e743 100644
--- a/riscv/insns/flw.h
+++ b/riscv/insns/flw.h
@@ -1,3 +1,3 @@
 require_extension('F');
 require_fp;
-WRITE_FRD(MMU.load_int32(RS1 + insn.i_imm()));
+WRITE_FRD(MMU.load_uint32(RS1 + insn.i_imm()));
diff --git a/riscv/insns/fmv_s_x.h b/riscv/insns/fmv_s_x.h
index f0f95ac..2daf6da 100644
--- a/riscv/insns/fmv_s_x.h
+++ b/riscv/insns/fmv_s_x.h
@@ -1,3 +1,3 @@
 require_extension('F');
 require_fp;
-WRITE_FRD(RS1);
+WRITE_FRD(zext32(RS1));