X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=sim%2Fcommon%2Fcgen-utils.c;h=4b69ac5a5748457a01a33fab9ba368277a442246;hb=a435742a7fb32f6320ce0e6074e2500e28378104;hp=e7407ed57260d13e08575bab1f676db3b7dda1e1;hpb=d0352a18a504a4e7b761f6b3264cf11347d8d056;p=deliverable%2Fbinutils-gdb.git

diff --git a/sim/common/cgen-utils.c b/sim/common/cgen-utils.c
index e7407ed572..4b69ac5a57 100644
--- a/sim/common/cgen-utils.c
+++ b/sim/common/cgen-utils.c
@@ -1,23 +1,23 @@
 /* Support code for various pieces of CGEN simulators.
-   Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    Contributed by Cygnus Support.
 
 This file is part of GDB, the GNU debugger.
 
 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
+the Free Software Foundation; either version 3 of the License, or
+(at your option) any later version.
 
 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 
-You should have received a copy of the GNU General Public License along
-with this program; if not, write to the Free Software Foundation, Inc.,
-59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
+#include "config.h"
 #include "bfd.h"
 #include "sim-main.h"
 #include "dis-asm.h"
@@ -28,10 +28,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #define SEMOPS_DEFINE_INLINE
 #include "cgen-ops.h"
 
-#undef min
-#define min(a,b) ((a) < (b) ? (a) : (b))
-
-const char *mode_names[] = {
+const char * const mode_names[] = {
   "VOID",
   "BI",
   "QI",
@@ -321,6 +318,74 @@ CONVDISI (val)
 
 #endif /* DI_FN_SUPPORT */
 
+QI
+RORQI (val, shift)
+     QI  val;
+     int shift;
+{
+  if (shift != 0)
+    {
+      int remain = 8 - shift;
+      int mask = (1 << shift) - 1;
+      QI result = (val & mask) << remain;
+      mask = (1 << remain) - 1;
+      result |= (val >> shift) & mask;
+      return result;
+    }
+  return val;
+}
+
+QI
+ROLQI (val, shift)
+     QI  val;
+     int shift;
+{
+  if (shift != 0)
+    {
+      int remain = 8 - shift;
+      int mask = (1 << remain) - 1;
+      QI result = (val & mask) << shift;
+      mask = (1 << shift) - 1;
+      result |= (val >> remain) & mask;
+      return result;
+    }
+  return val;
+}
+
+HI
+RORHI (val, shift)
+     HI  val;
+     int shift;
+{
+  if (shift != 0)
+    {
+      int remain = 16 - shift;
+      int mask = (1 << shift) - 1;
+      HI result = (val & mask) << remain;
+      mask = (1 << remain) - 1;
+      result |= (val >> shift) & mask;
+      return result;
+    }
+  return val;
+}
+
+HI
+ROLHI (val, shift)
+     HI  val;
+     int shift;
+{
+  if (shift != 0)
+    {
+      int remain = 16 - shift;
+      int mask = (1 << remain) - 1;
+      HI result = (val & mask) << shift;
+      mask = (1 << shift) - 1;
+      result |= (val >> remain) & mask;
+      return result;
+    }
+  return val;
+}
+
 SI
 RORSI (val, shift)
      SI  val;
@@ -355,3 +420,16 @@ ROLSI (val, shift)
 
   return val;
 }
+
+/* Emit an error message from CGEN RTL.  */
+
+void
+cgen_rtx_error (SIM_CPU *cpu, const char * msg)
+{
+  SIM_DESC sd = CPU_STATE (cpu);
+
+  sim_io_printf (sd, msg);
+  sim_io_printf (sd, "\n");
+
+  sim_engine_halt (sd, cpu, NULL, CPU_PC_GET (cpu), sim_stopped, SIM_SIGTRAP);
+}