From: Andrew Waterman <waterman@s144.Millennium.Berkeley.EDU>
Date: Tue, 9 Nov 2010 23:31:00 +0000 (-0800)
Subject: [opcodes, pk, sim, xcc] Tweaked FP encoding
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=259d20a35dde46c51878dfd3afb7b8c518ed3dcf;p=riscv-isa-sim.git

[opcodes, pk, sim, xcc] Tweaked FP encoding
---

diff --git a/riscv/decode.h b/riscv/decode.h
index 327da6c..903eef5 100644
--- a/riscv/decode.h
+++ b/riscv/decode.h
@@ -185,7 +185,8 @@ private:
 #define TARGET insn.jtype.target
 #define BRANCH_TARGET (npc + (BIMM << BRANCH_ALIGN_BITS))
 #define JUMP_TARGET (npc + (TARGET << JUMP_ALIGN_BITS))
-#define RM (insn.ftype.ffunct & 3)
+#define RM ((insn.ftype.ffunct & 4) ? (insn.ftype.ffunct & 3) : \
+            ((fsr & FSR_RD) >> FSR_RD_SHIFT))
 
 #define require_supervisor if(!(sr & SR_S)) throw trap_privileged_instruction
 #define require64 if(gprlen != 64) throw trap_illegal_instruction
diff --git a/riscv/execute.h b/riscv/execute.h
index be90e6f..02523fe 100644
--- a/riscv/execute.h
+++ b/riscv/execute.h
@@ -156,16 +156,26 @@ switch((insn.bits >> 0x19) & 0x7f)
           #include "insns/sgninj_s.h"
           break;
         }
-        if((insn.bits & 0xfffffc00) == 0xd4070000)
+        if((insn.bits & 0xff8ffc00) == 0xd4050000)
+        {
+          #include "insns/cvt_w_s.h"
+          break;
+        }
+        if((insn.bits & 0xff8ffc00) == 0xd4070000)
         {
           #include "insns/cvt_s_w.h"
           break;
         }
-        if((insn.bits & 0xffff8000) == 0xd4000000)
+        if((insn.bits & 0xff8f8000) == 0xd4000000)
         {
           #include "insns/add_s.h"
           break;
         }
+        if((insn.bits & 0xff8ffc00) == 0xd4048000)
+        {
+          #include "insns/cvtu_l_s.h"
+          break;
+        }
         if((insn.bits & 0xffff83e0) == 0xd42c0000)
         {
           #include "insns/mff_s.h"
@@ -181,27 +191,27 @@ switch((insn.bits >> 0x19) & 0x7f)
           #include "insns/sgninjn_s.h"
           break;
         }
-        if((insn.bits & 0xfffffc00) == 0xd4078000)
+        if((insn.bits & 0xff8ffc00) == 0xd4040000)
         {
-          #include "insns/cvtu_s_w.h"
+          #include "insns/cvt_l_s.h"
           break;
         }
-        if((insn.bits & 0xfffffc00) == 0xd4068000)
+        if((insn.bits & 0xff8ffc00) == 0xd4078000)
         {
-          #include "insns/cvtu_s_l.h"
+          #include "insns/cvtu_s_w.h"
           break;
         }
-        if((insn.bits & 0xfffffc00) == 0xd4060000)
+        if((insn.bits & 0xff8ffc00) == 0xd4068000)
         {
-          #include "insns/cvt_s_l.h"
+          #include "insns/cvtu_s_l.h"
           break;
         }
-        if((insn.bits & 0xffff8000) == 0xd4008000)
+        if((insn.bits & 0xff8f8000) == 0xd4008000)
         {
           #include "insns/sub_s.h"
           break;
         }
-        if((insn.bits & 0xfffffc00) == 0xd4020000)
+        if((insn.bits & 0xff8ffc00) == 0xd4020000)
         {
           #include "insns/sqrt_s.h"
           break;
@@ -216,12 +226,17 @@ switch((insn.bits >> 0x19) & 0x7f)
           #include "insns/sgnmul_s.h"
           break;
         }
-        if((insn.bits & 0xffff8000) == 0xd4018000)
+        if((insn.bits & 0xff8ffc00) == 0xd4060000)
+        {
+          #include "insns/cvt_s_l.h"
+          break;
+        }
+        if((insn.bits & 0xff8f8000) == 0xd4018000)
         {
           #include "insns/div_s.h"
           break;
         }
-        if((insn.bits & 0xfffffc00) == 0xd4098000)
+        if((insn.bits & 0xff8ffc00) == 0xd4098000)
         {
           #include "insns/cvt_s_d.h"
           break;
@@ -231,89 +246,25 @@ switch((insn.bits >> 0x19) & 0x7f)
           #include "insns/c_le_s.h"
           break;
         }
-        if((insn.bits & 0xffff8000) == 0xd4010000)
+        if((insn.bits & 0xff8f8000) == 0xd4010000)
         {
           #include "insns/mul_s.h"
           break;
         }
-        #include "insns/unimp.h"
-      }
-      case 0x1:
-      {
-        if((insn.bits & 0xffcffc00) == 0xd4478000)
+        if((insn.bits & 0xff8ffc00) == 0xd4058000)
         {
-          #include "insns/cvtu_s_w_rm.h"
-          break;
-        }
-        if((insn.bits & 0xffcffc00) == 0xd4440000)
-        {
-          #include "insns/cvt_l_s_rm.h"
-          break;
-        }
-        if((insn.bits & 0xffcffc00) == 0xd4468000)
-        {
-          #include "insns/cvtu_s_l_rm.h"
-          break;
-        }
-        if((insn.bits & 0xffcf8000) == 0xd4410000)
-        {
-          #include "insns/mul_s_rm.h"
-          break;
-        }
-        if((insn.bits & 0xffcffc00) == 0xd4448000)
-        {
-          #include "insns/cvtu_l_s_rm.h"
-          break;
-        }
-        if((insn.bits & 0xffcffc00) == 0xd4470000)
-        {
-          #include "insns/cvt_s_w_rm.h"
-          break;
-        }
-        if((insn.bits & 0xffcffc00) == 0xd4420000)
-        {
-          #include "insns/sqrt_s_rm.h"
-          break;
-        }
-        if((insn.bits & 0xffcffc00) == 0xd4498000)
-        {
-          #include "insns/cvt_s_d_rm.h"
-          break;
-        }
-        if((insn.bits & 0xffcf8000) == 0xd4408000)
-        {
-          #include "insns/sub_s_rm.h"
-          break;
-        }
-        if((insn.bits & 0xffcf8000) == 0xd4418000)
-        {
-          #include "insns/div_s_rm.h"
-          break;
-        }
-        if((insn.bits & 0xffcffc00) == 0xd4460000)
-        {
-          #include "insns/cvt_s_l_rm.h"
-          break;
-        }
-        if((insn.bits & 0xffcf8000) == 0xd4400000)
-        {
-          #include "insns/add_s_rm.h"
-          break;
-        }
-        if((insn.bits & 0xffcffc00) == 0xd4450000)
-        {
-          #include "insns/cvt_w_s_rm.h"
-          break;
-        }
-        if((insn.bits & 0xffcffc00) == 0xd4458000)
-        {
-          #include "insns/cvtu_w_s_rm.h"
+          #include "insns/cvtu_w_s.h"
           break;
         }
         #include "insns/unimp.h"
       }
       case 0x6:
       {
+        if((insn.bits & 0xff8ffc00) == 0xd5850000)
+        {
+          #include "insns/cvt_w_d.h"
+          break;
+        }
         if((insn.bits & 0xffff83e0) == 0xd5ac0000)
         {
           #include "insns/mff_d.h"
@@ -324,7 +275,7 @@ switch((insn.bits >> 0x19) & 0x7f)
           #include "insns/sgninj_d.h"
           break;
         }
-        if((insn.bits & 0xffff8000) == 0xd5818000)
+        if((insn.bits & 0xff8f8000) == 0xd5818000)
         {
           #include "insns/div_d.h"
           break;
@@ -334,7 +285,7 @@ switch((insn.bits >> 0x19) & 0x7f)
           #include "insns/c_eq_d.h"
           break;
         }
-        if((insn.bits & 0xfffffc00) == 0xd5868000)
+        if((insn.bits & 0xff8ffc00) == 0xd5868000)
         {
           #include "insns/cvtu_d_l.h"
           break;
@@ -344,6 +295,11 @@ switch((insn.bits >> 0x19) & 0x7f)
           #include "insns/cvtu_d_w.h"
           break;
         }
+        if((insn.bits & 0xff8ffc00) == 0xd5848000)
+        {
+          #include "insns/cvtu_l_d.h"
+          break;
+        }
         if((insn.bits & 0xffff83e0) == 0xd5ac8000)
         {
           #include "insns/mffl_d.h"
@@ -354,7 +310,7 @@ switch((insn.bits >> 0x19) & 0x7f)
           #include "insns/sgnmul_d.h"
           break;
         }
-        if((insn.bits & 0xffff8000) == 0xd5800000)
+        if((insn.bits & 0xff8f8000) == 0xd5800000)
         {
           #include "insns/add_d.h"
           break;
@@ -379,7 +335,12 @@ switch((insn.bits >> 0x19) & 0x7f)
           #include "insns/mtflh_d.h"
           break;
         }
-        if((insn.bits & 0xffff8000) == 0xd5808000)
+        if((insn.bits & 0xff8ffc00) == 0xd5840000)
+        {
+          #include "insns/cvt_l_d.h"
+          break;
+        }
+        if((insn.bits & 0xff8f8000) == 0xd5808000)
         {
           #include "insns/sub_d.h"
           break;
@@ -389,7 +350,7 @@ switch((insn.bits >> 0x19) & 0x7f)
           #include "insns/mtf_d.h"
           break;
         }
-        if((insn.bits & 0xfffffc00) == 0xd5820000)
+        if((insn.bits & 0xff8ffc00) == 0xd5820000)
         {
           #include "insns/sqrt_d.h"
           break;
@@ -404,78 +365,24 @@ switch((insn.bits >> 0x19) & 0x7f)
           #include "insns/cvt_d_w.h"
           break;
         }
-        if((insn.bits & 0xfffffc00) == 0xd5860000)
+        if((insn.bits & 0xff8ffc00) == 0xd5860000)
         {
           #include "insns/cvt_d_l.h"
           break;
         }
-        if((insn.bits & 0xffff8000) == 0xd5810000)
+        if((insn.bits & 0xff8f8000) == 0xd5810000)
         {
           #include "insns/mul_d.h"
           break;
         }
-        if((insn.bits & 0xffff8000) == 0xd58b0000)
-        {
-          #include "insns/c_lt_d.h"
-          break;
-        }
-        #include "insns/unimp.h"
-      }
-      case 0x7:
-      {
-        if((insn.bits & 0xffcffc00) == 0xd5c60000)
-        {
-          #include "insns/cvt_d_l_rm.h"
-          break;
-        }
-        if((insn.bits & 0xffcffc00) == 0xd5c50000)
+        if((insn.bits & 0xff8ffc00) == 0xd5858000)
         {
-          #include "insns/cvt_w_d_rm.h"
+          #include "insns/cvtu_w_d.h"
           break;
         }
-        if((insn.bits & 0xffcffc00) == 0xd5c58000)
-        {
-          #include "insns/cvtu_w_d_rm.h"
-          break;
-        }
-        if((insn.bits & 0xffcffc00) == 0xd5c20000)
-        {
-          #include "insns/sqrt_d_rm.h"
-          break;
-        }
-        if((insn.bits & 0xffcffc00) == 0xd5c68000)
-        {
-          #include "insns/cvtu_d_l_rm.h"
-          break;
-        }
-        if((insn.bits & 0xffcf8000) == 0xd5c00000)
-        {
-          #include "insns/add_d_rm.h"
-          break;
-        }
-        if((insn.bits & 0xffcffc00) == 0xd5c40000)
-        {
-          #include "insns/cvt_l_d_rm.h"
-          break;
-        }
-        if((insn.bits & 0xffcffc00) == 0xd5c48000)
-        {
-          #include "insns/cvtu_l_d_rm.h"
-          break;
-        }
-        if((insn.bits & 0xffcf8000) == 0xd5c10000)
-        {
-          #include "insns/mul_d_rm.h"
-          break;
-        }
-        if((insn.bits & 0xffcf8000) == 0xd5c18000)
-        {
-          #include "insns/div_d_rm.h"
-          break;
-        }
-        if((insn.bits & 0xffcf8000) == 0xd5c08000)
+        if((insn.bits & 0xffff8000) == 0xd58b0000)
         {
-          #include "insns/sub_d_rm.h"
+          #include "insns/c_lt_d.h"
           break;
         }
         #include "insns/unimp.h"
@@ -541,30 +448,12 @@ switch((insn.bits >> 0x19) & 0x7f)
     {
       case 0x0:
       {
-        if((insn.bits & 0xfff00000) == 0xd8000000)
-        {
-          #include "insns/madd_s.h"
-          break;
-        }
-        #include "insns/unimp.h"
-      }
-      case 0x1:
-      {
-        #include "insns/madd_s_rm.h"
+        #include "insns/madd_s.h"
         break;
       }
       case 0x6:
       {
-        if((insn.bits & 0xfff00000) == 0xd9800000)
-        {
-          #include "insns/madd_d.h"
-          break;
-        }
-        #include "insns/unimp.h"
-      }
-      case 0x7:
-      {
-        #include "insns/madd_d_rm.h"
+        #include "insns/madd_d.h"
         break;
       }
       default:
@@ -580,30 +469,12 @@ switch((insn.bits >> 0x19) & 0x7f)
     {
       case 0x0:
       {
-        if((insn.bits & 0xfff00000) == 0xda000000)
-        {
-          #include "insns/msub_s.h"
-          break;
-        }
-        #include "insns/unimp.h"
-      }
-      case 0x1:
-      {
-        #include "insns/msub_s_rm.h"
+        #include "insns/msub_s.h"
         break;
       }
       case 0x6:
       {
-        if((insn.bits & 0xfff00000) == 0xdb800000)
-        {
-          #include "insns/msub_d.h"
-          break;
-        }
-        #include "insns/unimp.h"
-      }
-      case 0x7:
-      {
-        #include "insns/msub_d_rm.h"
+        #include "insns/msub_d.h"
         break;
       }
       default:
@@ -619,30 +490,12 @@ switch((insn.bits >> 0x19) & 0x7f)
     {
       case 0x0:
       {
-        if((insn.bits & 0xfff00000) == 0xdc000000)
-        {
-          #include "insns/nmsub_s.h"
-          break;
-        }
-        #include "insns/unimp.h"
-      }
-      case 0x1:
-      {
-        #include "insns/nmsub_s_rm.h"
+        #include "insns/nmsub_s.h"
         break;
       }
       case 0x6:
       {
-        if((insn.bits & 0xfff00000) == 0xdd800000)
-        {
-          #include "insns/nmsub_d.h"
-          break;
-        }
-        #include "insns/unimp.h"
-      }
-      case 0x7:
-      {
-        #include "insns/nmsub_d_rm.h"
+        #include "insns/nmsub_d.h"
         break;
       }
       default:
@@ -658,30 +511,12 @@ switch((insn.bits >> 0x19) & 0x7f)
     {
       case 0x0:
       {
-        if((insn.bits & 0xfff00000) == 0xde000000)
-        {
-          #include "insns/nmadd_s.h"
-          break;
-        }
-        #include "insns/unimp.h"
-      }
-      case 0x1:
-      {
-        #include "insns/nmadd_s_rm.h"
+        #include "insns/nmadd_s.h"
         break;
       }
       case 0x6:
       {
-        if((insn.bits & 0xfff00000) == 0xdf800000)
-        {
-          #include "insns/nmadd_d.h"
-          break;
-        }
-        #include "insns/unimp.h"
-      }
-      case 0x7:
-      {
-        #include "insns/nmadd_d_rm.h"
+        #include "insns/nmadd_d.h"
         break;
       }
       default:
diff --git a/riscv/insns/add_d.h b/riscv/insns/add_d.h
index f467eb6..48c76a7 100644
--- a/riscv/insns/add_d.h
+++ b/riscv/insns/add_d.h
@@ -1,3 +1,4 @@
 require_fp;
+softfloat_roundingMode = RM;
 FRD = f64_add(FRS1, FRS2);
 set_fp_exceptions;
diff --git a/riscv/insns/add_d_rm.h b/riscv/insns/add_d_rm.h
deleted file mode 100644
index 48c76a7..0000000
--- a/riscv/insns/add_d_rm.h
+++ /dev/null
@@ -1,4 +0,0 @@
-require_fp;
-softfloat_roundingMode = RM;
-FRD = f64_add(FRS1, FRS2);
-set_fp_exceptions;
diff --git a/riscv/insns/add_s.h b/riscv/insns/add_s.h
index edae853..2fd5429 100644
--- a/riscv/insns/add_s.h
+++ b/riscv/insns/add_s.h
@@ -1,3 +1,4 @@
 require_fp;
+softfloat_roundingMode = RM;
 FRD = f32_add(FRS1, FRS2);
 set_fp_exceptions;
diff --git a/riscv/insns/add_s_rm.h b/riscv/insns/add_s_rm.h
deleted file mode 100644
index 2fd5429..0000000
--- a/riscv/insns/add_s_rm.h
+++ /dev/null
@@ -1,4 +0,0 @@
-require_fp;
-softfloat_roundingMode = RM;
-FRD = f32_add(FRS1, FRS2);
-set_fp_exceptions;
diff --git a/riscv/insns/cvt_d_l.h b/riscv/insns/cvt_d_l.h
index 28a03a9..84c1a71 100644
--- a/riscv/insns/cvt_d_l.h
+++ b/riscv/insns/cvt_d_l.h
@@ -1,4 +1,5 @@
 require64;
 require_fp;
+softfloat_roundingMode = RM;
 FRD = i64_to_f64(RS1);
 set_fp_exceptions;
diff --git a/riscv/insns/cvt_d_l_rm.h b/riscv/insns/cvt_d_l_rm.h
deleted file mode 100644
index 84c1a71..0000000
--- a/riscv/insns/cvt_d_l_rm.h
+++ /dev/null
@@ -1,5 +0,0 @@
-require64;
-require_fp;
-softfloat_roundingMode = RM;
-FRD = i64_to_f64(RS1);
-set_fp_exceptions;
diff --git a/riscv/insns/cvt_d_s.h b/riscv/insns/cvt_d_s.h
index 8e2b2f8..6b1a09c 100644
--- a/riscv/insns/cvt_d_s.h
+++ b/riscv/insns/cvt_d_s.h
@@ -1,3 +1,4 @@
 require_fp;
+softfloat_roundingMode = RM;
 FRD = f32_to_f64(FRS1);
 set_fp_exceptions;
diff --git a/riscv/insns/cvt_d_s_rm.h b/riscv/insns/cvt_d_s_rm.h
deleted file mode 100644
index 6b1a09c..0000000
--- a/riscv/insns/cvt_d_s_rm.h
+++ /dev/null
@@ -1,4 +0,0 @@
-require_fp;
-softfloat_roundingMode = RM;
-FRD = f32_to_f64(FRS1);
-set_fp_exceptions;
diff --git a/riscv/insns/cvt_d_w.h b/riscv/insns/cvt_d_w.h
index 94cd770..638a5ec 100644
--- a/riscv/insns/cvt_d_w.h
+++ b/riscv/insns/cvt_d_w.h
@@ -1,3 +1,4 @@
 require_fp;
+softfloat_roundingMode = RM;
 FRD = i32_to_f64(RS1);
 set_fp_exceptions;
diff --git a/riscv/insns/cvt_d_w_rm.h b/riscv/insns/cvt_d_w_rm.h
deleted file mode 100644
index 638a5ec..0000000
--- a/riscv/insns/cvt_d_w_rm.h
+++ /dev/null
@@ -1,4 +0,0 @@
-require_fp;
-softfloat_roundingMode = RM;
-FRD = i32_to_f64(RS1);
-set_fp_exceptions;
diff --git a/riscv/insns/cvt_l_d.h b/riscv/insns/cvt_l_d.h
new file mode 100644
index 0000000..2747d67
--- /dev/null
+++ b/riscv/insns/cvt_l_d.h
@@ -0,0 +1,5 @@
+require64;
+require_fp;
+softfloat_roundingMode = RM;
+RD = f64_to_i64_r_minMag(FRS1,true);
+set_fp_exceptions;
diff --git a/riscv/insns/cvt_l_d_rm.h b/riscv/insns/cvt_l_d_rm.h
deleted file mode 100644
index 2747d67..0000000
--- a/riscv/insns/cvt_l_d_rm.h
+++ /dev/null
@@ -1,5 +0,0 @@
-require64;
-require_fp;
-softfloat_roundingMode = RM;
-RD = f64_to_i64_r_minMag(FRS1,true);
-set_fp_exceptions;
diff --git a/riscv/insns/cvt_l_s.h b/riscv/insns/cvt_l_s.h
new file mode 100644
index 0000000..f5b053c
--- /dev/null
+++ b/riscv/insns/cvt_l_s.h
@@ -0,0 +1,5 @@
+require64;
+require_fp;
+softfloat_roundingMode = RM;
+RD = f32_to_i64_r_minMag(FRS1,true);
+set_fp_exceptions;
diff --git a/riscv/insns/cvt_l_s_rm.h b/riscv/insns/cvt_l_s_rm.h
deleted file mode 100644
index f5b053c..0000000
--- a/riscv/insns/cvt_l_s_rm.h
+++ /dev/null
@@ -1,5 +0,0 @@
-require64;
-require_fp;
-softfloat_roundingMode = RM;
-RD = f32_to_i64_r_minMag(FRS1,true);
-set_fp_exceptions;
diff --git a/riscv/insns/cvt_s_d.h b/riscv/insns/cvt_s_d.h
index 1c9b281..e5289c4 100644
--- a/riscv/insns/cvt_s_d.h
+++ b/riscv/insns/cvt_s_d.h
@@ -1,3 +1,4 @@
 require_fp;
+softfloat_roundingMode = RM;
 FRD = f64_to_f32(FRS1);
 set_fp_exceptions;
diff --git a/riscv/insns/cvt_s_d_rm.h b/riscv/insns/cvt_s_d_rm.h
deleted file mode 100644
index e5289c4..0000000
--- a/riscv/insns/cvt_s_d_rm.h
+++ /dev/null
@@ -1,4 +0,0 @@
-require_fp;
-softfloat_roundingMode = RM;
-FRD = f64_to_f32(FRS1);
-set_fp_exceptions;
diff --git a/riscv/insns/cvt_s_l.h b/riscv/insns/cvt_s_l.h
index c89657d..79fbc97 100644
--- a/riscv/insns/cvt_s_l.h
+++ b/riscv/insns/cvt_s_l.h
@@ -1,4 +1,5 @@
 require64;
 require_fp;
+softfloat_roundingMode = RM;
 FRD = i64_to_f32(RS1);
 set_fp_exceptions;
diff --git a/riscv/insns/cvt_s_l_rm.h b/riscv/insns/cvt_s_l_rm.h
deleted file mode 100644
index 79fbc97..0000000
--- a/riscv/insns/cvt_s_l_rm.h
+++ /dev/null
@@ -1,5 +0,0 @@
-require64;
-require_fp;
-softfloat_roundingMode = RM;
-FRD = i64_to_f32(RS1);
-set_fp_exceptions;
diff --git a/riscv/insns/cvt_s_w.h b/riscv/insns/cvt_s_w.h
index b11d783..12b1e73 100644
--- a/riscv/insns/cvt_s_w.h
+++ b/riscv/insns/cvt_s_w.h
@@ -1,3 +1,4 @@
 require_fp;
+softfloat_roundingMode = RM;
 FRD = i32_to_f32(RS1);
 set_fp_exceptions;
diff --git a/riscv/insns/cvt_s_w_rm.h b/riscv/insns/cvt_s_w_rm.h
deleted file mode 100644
index 12b1e73..0000000
--- a/riscv/insns/cvt_s_w_rm.h
+++ /dev/null
@@ -1,4 +0,0 @@
-require_fp;
-softfloat_roundingMode = RM;
-FRD = i32_to_f32(RS1);
-set_fp_exceptions;
diff --git a/riscv/insns/cvt_w_d.h b/riscv/insns/cvt_w_d.h
new file mode 100644
index 0000000..e924467
--- /dev/null
+++ b/riscv/insns/cvt_w_d.h
@@ -0,0 +1,4 @@
+require_fp;
+softfloat_roundingMode = RM;
+RD = f64_to_i32_r_minMag(FRS1,true);
+set_fp_exceptions;
diff --git a/riscv/insns/cvt_w_d_rm.h b/riscv/insns/cvt_w_d_rm.h
deleted file mode 100644
index e924467..0000000
--- a/riscv/insns/cvt_w_d_rm.h
+++ /dev/null
@@ -1,4 +0,0 @@
-require_fp;
-softfloat_roundingMode = RM;
-RD = f64_to_i32_r_minMag(FRS1,true);
-set_fp_exceptions;
diff --git a/riscv/insns/cvt_w_s.h b/riscv/insns/cvt_w_s.h
new file mode 100644
index 0000000..809797f
--- /dev/null
+++ b/riscv/insns/cvt_w_s.h
@@ -0,0 +1,4 @@
+require_fp;
+softfloat_roundingMode = RM;
+RD = f32_to_i32_r_minMag(FRS1,true);
+set_fp_exceptions;
diff --git a/riscv/insns/cvt_w_s_rm.h b/riscv/insns/cvt_w_s_rm.h
deleted file mode 100644
index 809797f..0000000
--- a/riscv/insns/cvt_w_s_rm.h
+++ /dev/null
@@ -1,4 +0,0 @@
-require_fp;
-softfloat_roundingMode = RM;
-RD = f32_to_i32_r_minMag(FRS1,true);
-set_fp_exceptions;
diff --git a/riscv/insns/cvtu_d_l.h b/riscv/insns/cvtu_d_l.h
index 28a03a9..84c1a71 100644
--- a/riscv/insns/cvtu_d_l.h
+++ b/riscv/insns/cvtu_d_l.h
@@ -1,4 +1,5 @@
 require64;
 require_fp;
+softfloat_roundingMode = RM;
 FRD = i64_to_f64(RS1);
 set_fp_exceptions;
diff --git a/riscv/insns/cvtu_d_l_rm.h b/riscv/insns/cvtu_d_l_rm.h
deleted file mode 100644
index 84c1a71..0000000
--- a/riscv/insns/cvtu_d_l_rm.h
+++ /dev/null
@@ -1,5 +0,0 @@
-require64;
-require_fp;
-softfloat_roundingMode = RM;
-FRD = i64_to_f64(RS1);
-set_fp_exceptions;
diff --git a/riscv/insns/cvtu_d_w.h b/riscv/insns/cvtu_d_w.h
index 6a74d2d..2757790 100644
--- a/riscv/insns/cvtu_d_w.h
+++ b/riscv/insns/cvtu_d_w.h
@@ -1,3 +1,4 @@
 require_fp;
+softfloat_roundingMode = RM;
 FRD = ui32_to_f64(RS1);
 set_fp_exceptions;
diff --git a/riscv/insns/cvtu_d_w_rm.h b/riscv/insns/cvtu_d_w_rm.h
deleted file mode 100644
index 2757790..0000000
--- a/riscv/insns/cvtu_d_w_rm.h
+++ /dev/null
@@ -1,4 +0,0 @@
-require_fp;
-softfloat_roundingMode = RM;
-FRD = ui32_to_f64(RS1);
-set_fp_exceptions;
diff --git a/riscv/insns/cvtu_l_d.h b/riscv/insns/cvtu_l_d.h
new file mode 100644
index 0000000..2747d67
--- /dev/null
+++ b/riscv/insns/cvtu_l_d.h
@@ -0,0 +1,5 @@
+require64;
+require_fp;
+softfloat_roundingMode = RM;
+RD = f64_to_i64_r_minMag(FRS1,true);
+set_fp_exceptions;
diff --git a/riscv/insns/cvtu_l_d_rm.h b/riscv/insns/cvtu_l_d_rm.h
deleted file mode 100644
index 2747d67..0000000
--- a/riscv/insns/cvtu_l_d_rm.h
+++ /dev/null
@@ -1,5 +0,0 @@
-require64;
-require_fp;
-softfloat_roundingMode = RM;
-RD = f64_to_i64_r_minMag(FRS1,true);
-set_fp_exceptions;
diff --git a/riscv/insns/cvtu_l_s.h b/riscv/insns/cvtu_l_s.h
new file mode 100644
index 0000000..f5b053c
--- /dev/null
+++ b/riscv/insns/cvtu_l_s.h
@@ -0,0 +1,5 @@
+require64;
+require_fp;
+softfloat_roundingMode = RM;
+RD = f32_to_i64_r_minMag(FRS1,true);
+set_fp_exceptions;
diff --git a/riscv/insns/cvtu_l_s_rm.h b/riscv/insns/cvtu_l_s_rm.h
deleted file mode 100644
index f5b053c..0000000
--- a/riscv/insns/cvtu_l_s_rm.h
+++ /dev/null
@@ -1,5 +0,0 @@
-require64;
-require_fp;
-softfloat_roundingMode = RM;
-RD = f32_to_i64_r_minMag(FRS1,true);
-set_fp_exceptions;
diff --git a/riscv/insns/cvtu_s_l.h b/riscv/insns/cvtu_s_l.h
index c89657d..79fbc97 100644
--- a/riscv/insns/cvtu_s_l.h
+++ b/riscv/insns/cvtu_s_l.h
@@ -1,4 +1,5 @@
 require64;
 require_fp;
+softfloat_roundingMode = RM;
 FRD = i64_to_f32(RS1);
 set_fp_exceptions;
diff --git a/riscv/insns/cvtu_s_l_rm.h b/riscv/insns/cvtu_s_l_rm.h
deleted file mode 100644
index 79fbc97..0000000
--- a/riscv/insns/cvtu_s_l_rm.h
+++ /dev/null
@@ -1,5 +0,0 @@
-require64;
-require_fp;
-softfloat_roundingMode = RM;
-FRD = i64_to_f32(RS1);
-set_fp_exceptions;
diff --git a/riscv/insns/cvtu_s_w.h b/riscv/insns/cvtu_s_w.h
index 79bb829..4c53c01 100644
--- a/riscv/insns/cvtu_s_w.h
+++ b/riscv/insns/cvtu_s_w.h
@@ -1,3 +1,4 @@
 require_fp;
+softfloat_roundingMode = RM;
 FRD = ui32_to_f32(RS1);
 set_fp_exceptions;
diff --git a/riscv/insns/cvtu_s_w_rm.h b/riscv/insns/cvtu_s_w_rm.h
deleted file mode 100644
index 4c53c01..0000000
--- a/riscv/insns/cvtu_s_w_rm.h
+++ /dev/null
@@ -1,4 +0,0 @@
-require_fp;
-softfloat_roundingMode = RM;
-FRD = ui32_to_f32(RS1);
-set_fp_exceptions;
diff --git a/riscv/insns/cvtu_w_d.h b/riscv/insns/cvtu_w_d.h
new file mode 100644
index 0000000..93860e8
--- /dev/null
+++ b/riscv/insns/cvtu_w_d.h
@@ -0,0 +1,4 @@
+require_fp;
+softfloat_roundingMode = RM;
+RD = f64_to_ui32_r_minMag(FRS1,true);
+set_fp_exceptions;
diff --git a/riscv/insns/cvtu_w_d_rm.h b/riscv/insns/cvtu_w_d_rm.h
deleted file mode 100644
index 93860e8..0000000
--- a/riscv/insns/cvtu_w_d_rm.h
+++ /dev/null
@@ -1,4 +0,0 @@
-require_fp;
-softfloat_roundingMode = RM;
-RD = f64_to_ui32_r_minMag(FRS1,true);
-set_fp_exceptions;
diff --git a/riscv/insns/cvtu_w_s.h b/riscv/insns/cvtu_w_s.h
new file mode 100644
index 0000000..04b8fb2
--- /dev/null
+++ b/riscv/insns/cvtu_w_s.h
@@ -0,0 +1,4 @@
+require_fp;
+softfloat_roundingMode = RM;
+RD = f32_to_ui32_r_minMag(FRS1,true);
+set_fp_exceptions;
diff --git a/riscv/insns/cvtu_w_s_rm.h b/riscv/insns/cvtu_w_s_rm.h
deleted file mode 100644
index 04b8fb2..0000000
--- a/riscv/insns/cvtu_w_s_rm.h
+++ /dev/null
@@ -1,4 +0,0 @@
-require_fp;
-softfloat_roundingMode = RM;
-RD = f32_to_ui32_r_minMag(FRS1,true);
-set_fp_exceptions;
diff --git a/riscv/insns/div_d.h b/riscv/insns/div_d.h
index 9f756f0..aa00c98 100644
--- a/riscv/insns/div_d.h
+++ b/riscv/insns/div_d.h
@@ -1,3 +1,4 @@
 require_fp;
+softfloat_roundingMode = RM;
 FRD = f64_div(FRS1, FRS2);
 set_fp_exceptions;
diff --git a/riscv/insns/div_d_rm.h b/riscv/insns/div_d_rm.h
deleted file mode 100644
index aa00c98..0000000
--- a/riscv/insns/div_d_rm.h
+++ /dev/null
@@ -1,4 +0,0 @@
-require_fp;
-softfloat_roundingMode = RM;
-FRD = f64_div(FRS1, FRS2);
-set_fp_exceptions;
diff --git a/riscv/insns/div_s.h b/riscv/insns/div_s.h
index e70d085..8c76587 100644
--- a/riscv/insns/div_s.h
+++ b/riscv/insns/div_s.h
@@ -1,3 +1,4 @@
 require_fp;
+softfloat_roundingMode = RM;
 FRD = f32_div(FRS1, FRS2);
 set_fp_exceptions;
diff --git a/riscv/insns/div_s_rm.h b/riscv/insns/div_s_rm.h
deleted file mode 100644
index 8c76587..0000000
--- a/riscv/insns/div_s_rm.h
+++ /dev/null
@@ -1,4 +0,0 @@
-require_fp;
-softfloat_roundingMode = RM;
-FRD = f32_div(FRS1, FRS2);
-set_fp_exceptions;
diff --git a/riscv/insns/madd_d.h b/riscv/insns/madd_d.h
index 41de613..f67853e 100644
--- a/riscv/insns/madd_d.h
+++ b/riscv/insns/madd_d.h
@@ -1,3 +1,4 @@
 require_fp;
+softfloat_roundingMode = RM;
 FRD = f64_mulAdd(FRS1, FRS2, FRS3);
 set_fp_exceptions;
diff --git a/riscv/insns/madd_d_rm.h b/riscv/insns/madd_d_rm.h
deleted file mode 100644
index f67853e..0000000
--- a/riscv/insns/madd_d_rm.h
+++ /dev/null
@@ -1,4 +0,0 @@
-require_fp;
-softfloat_roundingMode = RM;
-FRD = f64_mulAdd(FRS1, FRS2, FRS3);
-set_fp_exceptions;
diff --git a/riscv/insns/madd_s.h b/riscv/insns/madd_s.h
index ee26e3c..19db642 100644
--- a/riscv/insns/madd_s.h
+++ b/riscv/insns/madd_s.h
@@ -1,3 +1,4 @@
 require_fp;
+softfloat_roundingMode = RM;
 FRD = f32_mulAdd(FRS1, FRS2, FRS3);
 set_fp_exceptions;
diff --git a/riscv/insns/madd_s_rm.h b/riscv/insns/madd_s_rm.h
deleted file mode 100644
index 19db642..0000000
--- a/riscv/insns/madd_s_rm.h
+++ /dev/null
@@ -1,4 +0,0 @@
-require_fp;
-softfloat_roundingMode = RM;
-FRD = f32_mulAdd(FRS1, FRS2, FRS3);
-set_fp_exceptions;
diff --git a/riscv/insns/msub_d.h b/riscv/insns/msub_d.h
index f3da451..b1e9340 100644
--- a/riscv/insns/msub_d.h
+++ b/riscv/insns/msub_d.h
@@ -1,3 +1,4 @@
 require_fp;
+softfloat_roundingMode = RM;
 FRD = f64_mulAdd(FRS1, FRS2, FRS3 ^ (uint64_t)INT64_MIN);
 set_fp_exceptions;
diff --git a/riscv/insns/msub_d_rm.h b/riscv/insns/msub_d_rm.h
deleted file mode 100644
index b1e9340..0000000
--- a/riscv/insns/msub_d_rm.h
+++ /dev/null
@@ -1,4 +0,0 @@
-require_fp;
-softfloat_roundingMode = RM;
-FRD = f64_mulAdd(FRS1, FRS2, FRS3 ^ (uint64_t)INT64_MIN);
-set_fp_exceptions;
diff --git a/riscv/insns/msub_s.h b/riscv/insns/msub_s.h
index 170e1a1..d3349f5 100644
--- a/riscv/insns/msub_s.h
+++ b/riscv/insns/msub_s.h
@@ -1,3 +1,4 @@
 require_fp;
+softfloat_roundingMode = RM;
 FRD = f32_mulAdd(FRS1, FRS2, FRS3 ^ (uint32_t)INT32_MIN);
 set_fp_exceptions;
diff --git a/riscv/insns/msub_s_rm.h b/riscv/insns/msub_s_rm.h
deleted file mode 100644
index d3349f5..0000000
--- a/riscv/insns/msub_s_rm.h
+++ /dev/null
@@ -1,4 +0,0 @@
-require_fp;
-softfloat_roundingMode = RM;
-FRD = f32_mulAdd(FRS1, FRS2, FRS3 ^ (uint32_t)INT32_MIN);
-set_fp_exceptions;
diff --git a/riscv/insns/mul_d.h b/riscv/insns/mul_d.h
index 6038728..a8adedd 100644
--- a/riscv/insns/mul_d.h
+++ b/riscv/insns/mul_d.h
@@ -1,3 +1,4 @@
 require_fp;
+softfloat_roundingMode = RM;
 FRD = f64_mul(FRS1, FRS2);
 set_fp_exceptions;
diff --git a/riscv/insns/mul_d_rm.h b/riscv/insns/mul_d_rm.h
deleted file mode 100644
index a8adedd..0000000
--- a/riscv/insns/mul_d_rm.h
+++ /dev/null
@@ -1,4 +0,0 @@
-require_fp;
-softfloat_roundingMode = RM;
-FRD = f64_mul(FRS1, FRS2);
-set_fp_exceptions;
diff --git a/riscv/insns/mul_s.h b/riscv/insns/mul_s.h
index 3a5905b..6475578 100644
--- a/riscv/insns/mul_s.h
+++ b/riscv/insns/mul_s.h
@@ -1,3 +1,4 @@
 require_fp;
+softfloat_roundingMode = RM;
 FRD = f32_mul(FRS1, FRS2);
 set_fp_exceptions;
diff --git a/riscv/insns/mul_s_rm.h b/riscv/insns/mul_s_rm.h
deleted file mode 100644
index 6475578..0000000
--- a/riscv/insns/mul_s_rm.h
+++ /dev/null
@@ -1,4 +0,0 @@
-require_fp;
-softfloat_roundingMode = RM;
-FRD = f32_mul(FRS1, FRS2);
-set_fp_exceptions;
diff --git a/riscv/insns/nmadd_d.h b/riscv/insns/nmadd_d.h
index 3d6ac52..1e2ee27 100644
--- a/riscv/insns/nmadd_d.h
+++ b/riscv/insns/nmadd_d.h
@@ -1,3 +1,4 @@
 require_fp;
+softfloat_roundingMode = RM;
 FRD = f64_mulAdd(FRS1, FRS2, FRS3) ^ (uint64_t)INT64_MIN;
 set_fp_exceptions;
diff --git a/riscv/insns/nmadd_d_rm.h b/riscv/insns/nmadd_d_rm.h
deleted file mode 100644
index 1e2ee27..0000000
--- a/riscv/insns/nmadd_d_rm.h
+++ /dev/null
@@ -1,4 +0,0 @@
-require_fp;
-softfloat_roundingMode = RM;
-FRD = f64_mulAdd(FRS1, FRS2, FRS3) ^ (uint64_t)INT64_MIN;
-set_fp_exceptions;
diff --git a/riscv/insns/nmadd_s.h b/riscv/insns/nmadd_s.h
index aa05b50..78abb78 100644
--- a/riscv/insns/nmadd_s.h
+++ b/riscv/insns/nmadd_s.h
@@ -1,3 +1,4 @@
 require_fp;
+softfloat_roundingMode = RM;
 FRD = f32_mulAdd(FRS1, FRS2, FRS3) ^ (uint32_t)INT32_MIN;
 set_fp_exceptions;
diff --git a/riscv/insns/nmadd_s_rm.h b/riscv/insns/nmadd_s_rm.h
deleted file mode 100644
index 78abb78..0000000
--- a/riscv/insns/nmadd_s_rm.h
+++ /dev/null
@@ -1,4 +0,0 @@
-require_fp;
-softfloat_roundingMode = RM;
-FRD = f32_mulAdd(FRS1, FRS2, FRS3) ^ (uint32_t)INT32_MIN;
-set_fp_exceptions;
diff --git a/riscv/insns/nmsub_d.h b/riscv/insns/nmsub_d.h
index fa4a862..ae643a5 100644
--- a/riscv/insns/nmsub_d.h
+++ b/riscv/insns/nmsub_d.h
@@ -1,3 +1,4 @@
 require_fp;
+softfloat_roundingMode = RM;
 FRD = f64_mulAdd(FRS1, FRS2, FRS3 ^ (uint64_t)INT64_MIN) ^ (uint64_t)INT64_MIN;
 set_fp_exceptions;
diff --git a/riscv/insns/nmsub_d_rm.h b/riscv/insns/nmsub_d_rm.h
deleted file mode 100644
index ae643a5..0000000
--- a/riscv/insns/nmsub_d_rm.h
+++ /dev/null
@@ -1,4 +0,0 @@
-require_fp;
-softfloat_roundingMode = RM;
-FRD = f64_mulAdd(FRS1, FRS2, FRS3 ^ (uint64_t)INT64_MIN) ^ (uint64_t)INT64_MIN;
-set_fp_exceptions;
diff --git a/riscv/insns/nmsub_s.h b/riscv/insns/nmsub_s.h
index 98442f8..cbb70ba 100644
--- a/riscv/insns/nmsub_s.h
+++ b/riscv/insns/nmsub_s.h
@@ -1,3 +1,4 @@
 require_fp;
+softfloat_roundingMode = RM;
 FRD = f32_mulAdd(FRS1, FRS2, FRS3 ^ (uint32_t)INT32_MIN) ^ (uint32_t)INT32_MIN;
 set_fp_exceptions;
diff --git a/riscv/insns/nmsub_s_rm.h b/riscv/insns/nmsub_s_rm.h
deleted file mode 100644
index cbb70ba..0000000
--- a/riscv/insns/nmsub_s_rm.h
+++ /dev/null
@@ -1,4 +0,0 @@
-require_fp;
-softfloat_roundingMode = RM;
-FRD = f32_mulAdd(FRS1, FRS2, FRS3 ^ (uint32_t)INT32_MIN) ^ (uint32_t)INT32_MIN;
-set_fp_exceptions;
diff --git a/riscv/insns/sqrt_d.h b/riscv/insns/sqrt_d.h
index e2a2014..7647c9c 100644
--- a/riscv/insns/sqrt_d.h
+++ b/riscv/insns/sqrt_d.h
@@ -1,3 +1,4 @@
 require_fp;
+softfloat_roundingMode = RM;
 FRD = f64_sqrt(FRS1);
 set_fp_exceptions;
diff --git a/riscv/insns/sqrt_d_rm.h b/riscv/insns/sqrt_d_rm.h
deleted file mode 100644
index 7647c9c..0000000
--- a/riscv/insns/sqrt_d_rm.h
+++ /dev/null
@@ -1,4 +0,0 @@
-require_fp;
-softfloat_roundingMode = RM;
-FRD = f64_sqrt(FRS1);
-set_fp_exceptions;
diff --git a/riscv/insns/sqrt_s.h b/riscv/insns/sqrt_s.h
index c491649..426f241 100644
--- a/riscv/insns/sqrt_s.h
+++ b/riscv/insns/sqrt_s.h
@@ -1,3 +1,4 @@
 require_fp;
+softfloat_roundingMode = RM;
 FRD = f32_sqrt(FRS1);
 set_fp_exceptions;
diff --git a/riscv/insns/sqrt_s_rm.h b/riscv/insns/sqrt_s_rm.h
deleted file mode 100644
index 426f241..0000000
--- a/riscv/insns/sqrt_s_rm.h
+++ /dev/null
@@ -1,4 +0,0 @@
-require_fp;
-softfloat_roundingMode = RM;
-FRD = f32_sqrt(FRS1);
-set_fp_exceptions;
diff --git a/riscv/insns/sub_d.h b/riscv/insns/sub_d.h
index 54630a2..e25eebb 100644
--- a/riscv/insns/sub_d.h
+++ b/riscv/insns/sub_d.h
@@ -1,3 +1,4 @@
 require_fp;
+softfloat_roundingMode = RM;
 FRD = f64_sub(FRS1, FRS2);
 set_fp_exceptions;
diff --git a/riscv/insns/sub_d_rm.h b/riscv/insns/sub_d_rm.h
deleted file mode 100644
index e25eebb..0000000
--- a/riscv/insns/sub_d_rm.h
+++ /dev/null
@@ -1,4 +0,0 @@
-require_fp;
-softfloat_roundingMode = RM;
-FRD = f64_sub(FRS1, FRS2);
-set_fp_exceptions;
diff --git a/riscv/insns/sub_s.h b/riscv/insns/sub_s.h
index 142c7ab..6c64d04 100644
--- a/riscv/insns/sub_s.h
+++ b/riscv/insns/sub_s.h
@@ -1,3 +1,4 @@
 require_fp;
+softfloat_roundingMode = RM;
 FRD = f32_sub(FRS1, FRS2);
 set_fp_exceptions;
diff --git a/riscv/insns/sub_s_rm.h b/riscv/insns/sub_s_rm.h
deleted file mode 100644
index 6c64d04..0000000
--- a/riscv/insns/sub_s_rm.h
+++ /dev/null
@@ -1,4 +0,0 @@
-require_fp;
-softfloat_roundingMode = RM;
-FRD = f32_sub(FRS1, FRS2);
-set_fp_exceptions;
diff --git a/riscv/processor.cc b/riscv/processor.cc
index 684f95d..eed85da 100644
--- a/riscv/processor.cc
+++ b/riscv/processor.cc
@@ -59,7 +59,6 @@ void processor_t::set_sr(uint32_t val)
 void processor_t::set_fsr(uint32_t val)
 {
   fsr = val & ~FSR_ZERO;
-  softfloat_roundingMode = (fsr & FSR_RD) >> FSR_RD_SHIFT;
 }
 
 void processor_t::step(size_t n, bool noisy)