sim: cgen: sync prototypes with implementation

[deliverable/binutils-gdb.git] / sim / common / cgen-utils.c

diff --git a/sim/common/cgen-utils.c b/sim/common/cgen-utils.c
index 1ad5ce712e8731a7f9cef364b0fd60c2b7f93285..529d80dfb15c2001690b1d0323d108e672beab7d 100644 (file)
--- a/sim/common/cgen-utils.c
+++ b/sim/common/cgen-utils.c
@@ -1,25 +1,28 @@
 /* Support code for various pieces of CGEN simulators.
-   Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
+   Copyright (C) 1996-2021 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/>.  */
+
+/* This must come before any other includes.  */
+#include "defs.h"
 
 #include "bfd.h"
 #include "sim-main.h"
+#include "sim-signal.h"
 #include "dis-asm.h"
 
 #define MEMOPS_DEFINE_INLINE
@@ -28,11 +31,8 @@ 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[] = {
-  "VM",
+const char * const cgen_mode_names[] = {
+  "VOID",
   "BI",
   "QI",
   "HI",
@@ -59,22 +59,22 @@ const char *mode_names[] = {
 static const CGEN_IBASE virtual_insn_entries[] =
 {
   {
-    VIRTUAL_INSN_X_INVALID, "--invalid--", NULL, 0, { V, { 0 } }
+    VIRTUAL_INSN_X_INVALID, "--invalid--", NULL, 0, { V, {} }
   },
   {
-    VIRTUAL_INSN_X_BEFORE, "--before--", NULL, 0, { V, { 0 } }
+    VIRTUAL_INSN_X_BEFORE, "--before--", NULL, 0, { V, {} }
   },
   {
-    VIRTUAL_INSN_X_AFTER, "--after--", NULL, 0, { V, { 0 } }
+    VIRTUAL_INSN_X_AFTER, "--after--", NULL, 0, { V, {} }
   },
   {
-    VIRTUAL_INSN_X_BEGIN, "--begin--", NULL, 0, { V, { 0 } }
+    VIRTUAL_INSN_X_BEGIN, "--begin--", NULL, 0, { V, {} }
   },
   {
-    VIRTUAL_INSN_X_CHAIN, "--chain--", NULL, 0, { V, { 0 } }
+    VIRTUAL_INSN_X_CHAIN, "--chain--", NULL, 0, { V, {} }
   },
   {
-    VIRTUAL_INSN_X_CTI_CHAIN, "--cti-chain--", NULL, 0, { V, { 0 } }
+    VIRTUAL_INSN_X_CTI_CHAIN, "--cti-chain--", NULL, 0, { V, {} }
   }
 };
 
@@ -90,41 +90,6 @@ const CGEN_INSN cgen_virtual_insn_table[] =
   { & virtual_insn_entries[5] }
 };
 
-/* Initialize cgen things.
-   This is called after sim_post_argv_init.  */
-
-void
-cgen_init (SIM_DESC sd)
-{
-  int i, c;
-
-  /* If no profiling or tracing has been enabled, run in fast mode.  */
-  {
-    int run_fast_p = 1;
-
-    for (c = 0; c < MAX_NR_PROCESSORS; ++c)
-      {
-       SIM_CPU *cpu = STATE_CPU (sd, c);
-
-       for (i = 0; i < MAX_PROFILE_VALUES; ++i)
-         if (CPU_PROFILE_FLAGS (cpu) [i])
-           {
-             run_fast_p = 0;
-             break;
-           }
-       for (i = 0; i < MAX_TRACE_VALUES; ++i)
-         if (CPU_TRACE_FLAGS (cpu) [i])
-           {
-             run_fast_p = 0;
-             break;
-           }
-       if (! run_fast_p)
-         break;
-      }
-    STATE_RUN_FAST_P (sd) = run_fast_p;
-  }
-}
-
 /* Return the name of insn number I.  */
 
 const char *
@@ -321,10 +286,68 @@ CONVDISI (val)
 
 #endif /* DI_FN_SUPPORT */
 \f
+QI
+RORQI (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 (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 (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 (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;
-     int shift;
+RORSI (SI val, int shift)
 {
   if (shift != 0)
     {
@@ -339,9 +362,7 @@ RORSI (val, shift)
 }
 
 SI
-ROLSI (val, shift)
-     SI  val;
-     int shift;
+ROLSI (SI val, int shift)
 {
   if (shift != 0)
     {
@@ -355,3 +376,16 @@ 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, "%s", msg);
+  sim_io_printf (sd, "\n");
+
+  sim_engine_halt (sd, cpu, NULL, CPU_PC_GET (cpu), sim_stopped, SIM_SIGTRAP);
+}