import gdb-1999-09-21

9 files changed, 39 insertions, 4 deletions

diff --git a/sim/common/ChangeLog b/sim/common/ChangeLog
index 4f9d270..e027456 100644
--- a/sim/common/ChangeLog
+++ b/sim/common/ChangeLog
@@ -1,3 +1,20 @@
+Mon Sep 20 21:44:06 1999  Geoffrey Keating  <geoffk@cygnus.com>
+
+        * sim-fpu.c (i2fpu): Keep the guard bits sticky when converting
+        large values.
+
+Wed Sep 15 14:12:37 1999  Andrew Cagney  <cagney@b1.cygnus.com>
+
+	* hw-tree.c, hw-properties.c, hw-instances.c: Include "sim-io.h".
+
+Tue Sep 14 14:15:47 1999  Dave Brolley  <brolley@cygnus.com>
+
+	* cgen-par.h (CGEN_BI_WRITE): New enumerator.
+	(bi_write): New union element.
+	(sim_queue_bi_write): New function.
+	* cgen-par.c (sim_queue_bi_write): New function.
+	(cgen_write_queue_element_execute): Handle CGEN_BI_WRITE.
+
 Thu Sep  2 18:15:53 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 
 	* configure: Regenerated to track ../common/aclocal.m4 changes.
diff --git a/sim/common/Make-common.in b/sim/common/Make-common.in
index 9b9ea4e..7c25d6c 100644
--- a/sim/common/Make-common.in
+++ b/sim/common/Make-common.in
@@ -399,7 +399,6 @@ sim-fpu.o: $(srccom)/sim-fpu.c $(sim-fpu_h) \
 	  $(SIM_EXTRA_DEPS)
 	$(CC) -c $(srccom)/sim-fpu.c $(ALL_CFLAGS)
 
-
 sim-hload.o: $(srccom)/sim-hload.c $(sim-assert_h) \
 	  $(srcroot)/include/remote-sim.h \
 	  $(SIM_EXTRA_DEPS)
diff --git a/sim/common/cgen-par.c b/sim/common/cgen-par.c
index 8b983fb..51147ad 100644
--- a/sim/common/cgen-par.c
+++ b/sim/common/cgen-par.c
@@ -24,6 +24,15 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 /* Functions required by the cgen interface.  These functions add various
    kinds of writes to the write queue.  */
+void sim_queue_bi_write (SIM_CPU *cpu, BI *target, BI value)
+{
+  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
+  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
+  element->kind = CGEN_BI_WRITE;
+  element->kinds.bi_write.target = target;
+  element->kinds.bi_write.value  = value;
+}
+
 void sim_queue_qi_write (SIM_CPU *cpu, UQI *target, UQI value)
 {
   CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
@@ -138,6 +147,9 @@ cgen_write_queue_element_execute (SIM_CPU *cpu, CGEN_WRITE_QUEUE_ELEMENT *item)
   IADDR pc;
   switch (CGEN_WRITE_QUEUE_ELEMENT_KIND (item))
     {
+    case CGEN_BI_WRITE:
+      *item->kinds.bi_write.target = item->kinds.bi_write.value;
+      break;
     case CGEN_QI_WRITE:
       *item->kinds.qi_write.target = item->kinds.qi_write.value;
       break;
diff --git a/sim/common/cgen-par.h b/sim/common/cgen-par.h
index ce4efd5..25272a3 100644
--- a/sim/common/cgen-par.h
+++ b/sim/common/cgen-par.h
@@ -23,7 +23,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 /* Kinds of writes stored on the write queue.  */
 enum cgen_write_queue_kind {
-  CGEN_QI_WRITE, CGEN_SI_WRITE, CGEN_SF_WRITE,
+  CGEN_BI_WRITE, CGEN_QI_WRITE, CGEN_SI_WRITE, CGEN_SF_WRITE,
   CGEN_PC_WRITE,
   CGEN_FN_SI_WRITE, CGEN_FN_DI_WRITE, CGEN_FN_DF_WRITE,
   CGEN_MEM_QI_WRITE, CGEN_MEM_HI_WRITE, CGEN_MEM_SI_WRITE,
@@ -35,6 +35,10 @@ typedef struct {
   enum cgen_write_queue_kind kind; /* Used to select union member below.  */
   union {
     struct {
+      BI  *target;
+      BI   value;
+    } bi_write;
+    struct {
       UQI *target;
       QI   value;
     } qi_write;
@@ -107,6 +111,7 @@ typedef struct {
 extern CGEN_WRITE_QUEUE_ELEMENT *cgen_write_queue_overflow (CGEN_WRITE_QUEUE *);
 
 /* Functions for queuing writes.  Used by semantic code.  */
+extern void sim_queue_bi_write (SIM_CPU *, BI *, BI);
 extern void sim_queue_qi_write (SIM_CPU *, UQI *, UQI);
 extern void sim_queue_si_write (SIM_CPU *, SI *, SI);
 extern void sim_queue_sf_write (SIM_CPU *, SI *, SF);
diff --git a/sim/common/hw-instances.c b/sim/common/hw-instances.c
index 613f819..22c1cd9 100644
--- a/sim/common/hw-instances.c
+++ b/sim/common/hw-instances.c
@@ -22,6 +22,7 @@
 #include "hw-main.h"
 #include "hw-base.h"
 
+#include "sim-io.h"
 #include "sim-assert.h"
 
 struct hw_instance_data {
diff --git a/sim/common/hw-properties.c b/sim/common/hw-properties.c
index a1e9291..5a4d76d 100644
--- a/sim/common/hw-properties.c
+++ b/sim/common/hw-properties.c
@@ -21,6 +21,7 @@
 #include "hw-main.h"
 #include "hw-base.h"
 
+#include "sim-io.h"
 #include "sim-assert.h"
 
 #ifdef HAVE_STRING_H
diff --git a/sim/common/hw-tree.c b/sim/common/hw-tree.c
index 1a55835..3f31b3b 100644
--- a/sim/common/hw-tree.c
+++ b/sim/common/hw-tree.c
@@ -22,6 +22,7 @@
 #include "hw-base.h"
 #include "hw-tree.h"
 
+#include "sim-io.h"
 #include "sim-assert.h"
 
 #ifdef HAVE_STDLIB_H
diff --git a/sim/common/sim-base.h b/sim/common/sim-base.h
index f3af305..420b137 100644
--- a/sim/common/sim-base.h
+++ b/sim/common/sim-base.h
@@ -236,7 +236,6 @@ typedef struct {
 #define STATE_HW(sd) ((sd)->base.hw)
 #endif
 
-
   /* Should image loads be performed using the LMA or VMA?  Older
      simulators use the VMA while newer simulators prefer the LMA. */
   int load_at_lma_p;
diff --git a/sim/common/sim-fpu.c b/sim/common/sim-fpu.c
index abf746a..99381e0 100644
--- a/sim/common/sim-fpu.c
+++ b/sim/common/sim-fpu.c
@@ -541,7 +541,7 @@ i2fpu (sim_fpu *f, signed64 i, int is_64bit)
 	{
 	  do 
 	    {
-	      f->fraction >>= 1;
+	      f->fraction = (f->fraction >> 1) | (f->fraction & 1);
 	      f->normal_exp += 1;
 	    }
 	  while (f->fraction >= IMPLICIT_2);