* mips/mips.igen (check_op_hilo,check_mult_hilo,check_div_hilo):

	Replace check_op_hilo with check_mult_hilo and check_div_hilo.
	Add special r3900 version of do_mult_hilo.
	(do_dmultx,do_mult,do_multu): Replace calls to check_op_hilo
	with calls to check_mult_hilo.
	(do_ddiv,do_ddivu,do_div,do_divu): Replace calls to check_op_hilo
	with calls to check_div_hilo.

2 files changed, 59 insertions, 9 deletions

diff --git a/sim/mips/ChangeLog b/sim/mips/ChangeLog
index 6634e7b..452c830 100644
--- a/sim/mips/ChangeLog
+++ b/sim/mips/ChangeLog
@@ -1,3 +1,13 @@
+Wed May 13 09:59:27 1998  Gavin Koch  <gavin@cygnus.com>
+
+	* mips/mips.igen (check_op_hilo,check_mult_hilo,check_div_hilo):
+	Replace check_op_hilo with check_mult_hilo and check_div_hilo.
+	Add special r3900 version of do_mult_hilo.  
+	(do_dmultx,do_mult,do_multu): Replace calls to check_op_hilo
+	with calls to check_mult_hilo.
+	(do_ddiv,do_ddivu,do_div,do_divu): Replace calls to check_op_hilo
+	with calls to check_div_hilo.
+
 Tue May 12 15:22:11 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 
 	* configure.in (SUBTARGET_R3900): Define for mipstx39 target.
diff --git a/sim/mips/mips.igen b/sim/mips/mips.igen
index 4050a2c..303de9d 100644
--- a/sim/mips/mips.igen
+++ b/sim/mips/mips.igen
@@ -154,7 +154,47 @@
   return ok;
 }
 
-:function:::int:check_op_hilo:hilo_history *hi, hilo_history *lo
+:function:::int:check_mult_hilo:hilo_history *hi, hilo_history *lo
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr5000:
+// start-sanitize-vr4320
+*vr4320:
+// end-sanitize-vr4320
+// start-sanitize-vr5400
+*vr5400:
+// end-sanitize-vr5400
+// start-sanitize-r5900
+*r5900:
+// end-sanitize-r5900
+{
+  signed64 time = sim_events_time (SD);
+  int ok = (check_mf_cycles (SD_, hi, time, "OP")
+	    && check_mf_cycles (SD_, lo, time, "OP"));
+  hi->op.timestamp = time;
+  lo->op.timestamp = time;
+  hi->op.cia = CIA;
+  lo->op.cia = CIA;
+  return ok;
+}
+
+
+// The r3900 mult and multu insns _can_ be exectuted immediatly after
+// a mf{hi,lo}
+:function:::int:check_mult_hilo:hilo_history *hi, hilo_history *lo
+*r3900:
+// start-sanitize-tx19
+*tx19:
+// end-sanitize-tx19
+{
+  signed64 time = sim_events_time (SD);
+  hi->op.timestamp = time;
+  lo->op.timestamp = time;
+  hi->op.cia = CIA;
+  lo->op.cia = CIA;
+  return 1;
+}
+
+:function:::int:check_div_hilo:hilo_history *hi, hilo_history *lo
 *mipsI,mipsII,mipsIII,mipsIV:
 *vr5000:
 // start-sanitize-vr4320
@@ -954,7 +994,7 @@
 
 :function:64::void:do_ddiv:int rs, int rt
 {
-  check_op_hilo (SD_, HIHISTORY, LOHISTORY);
+  check_div_hilo (SD_, HIHISTORY, LOHISTORY);
   TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
   {
     signed64 n = GPR[rs];
@@ -1003,7 +1043,7 @@
 
 :function:64::void:do_ddivu:int rs, int rt
 {
-  check_op_hilo (SD_, HIHISTORY, LOHISTORY);
+  check_div_hilo (SD_, HIHISTORY, LOHISTORY);
   TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
   {
     unsigned64 n = GPR[rs];
@@ -1044,7 +1084,7 @@
 
 :function:::void:do_div:int rs, int rt
 {
-  check_op_hilo (SD_, HIHISTORY, LOHISTORY);
+  check_div_hilo (SD_, HIHISTORY, LOHISTORY);
   TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
   {
     signed32 n = GPR[rs];
@@ -1093,7 +1133,7 @@
 
 :function:::void:do_divu:int rs, int rt
 {
-  check_op_hilo (SD_, HIHISTORY, LOHISTORY);
+  check_div_hilo (SD_, HIHISTORY, LOHISTORY);
   TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
   {
     unsigned32 n = GPR[rs];
@@ -1147,7 +1187,7 @@
   int sign;
   unsigned64 op1 = GPR[rs];
   unsigned64 op2 = GPR[rt];
-  check_op_hilo (SD_, HIHISTORY, LOHISTORY);
+  check_mult_hilo (SD_, HIHISTORY, LOHISTORY);
   TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
   /* make signed multiply unsigned */ 
   sign = 0;
@@ -2272,7 +2312,7 @@
 :function:::void:do_mult:int rs, int rt, int rd
 {
   signed64 prod;
-  check_op_hilo (SD_, HIHISTORY, LOHISTORY);
+  check_mult_hilo (SD_, HIHISTORY, LOHISTORY);
   TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
   prod = (((signed64)(signed32) GPR[rs])
 	  * ((signed64)(signed32) GPR[rt]));
@@ -2315,7 +2355,7 @@
 :function:::void:do_multu:int rs, int rt, int rd
 {
   unsigned64 prod;
-  check_op_hilo (SD_, HIHISTORY, LOHISTORY);
+  check_mult_hilo (SD_, HIHISTORY, LOHISTORY);
   TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
   prod = (((unsigned64)(unsigned32) GPR[rs])
 	  * ((unsigned64)(unsigned32) GPR[rt]));
@@ -3140,7 +3180,7 @@
     memval = (rt >> (8 * (access - byte)));
   else
     memval = (rt << (8 * (mask - byte)));
-  StoreMemory (uncached, byte & access, memval, NULL, paddr, vaddr, isREAL);
+  StoreMemory (uncached, byte & access, memval, 0, paddr, vaddr, isREAL);
 }