From c906108c21474dfb4ed285bcc0ac6fe02cd400cc Mon Sep 17 00:00:00 2001
From: Stan Shebs <shebs@codesourcery.com>
Date: Fri, 16 Apr 1999 01:35:26 +0000
Subject: Initial creation of sourceware repository

---
 sim/mips/tx.igen | 41 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 sim/mips/tx.igen

(limited to 'sim/mips/tx.igen')

diff --git a/sim/mips/tx.igen b/sim/mips/tx.igen
new file mode 100644
index 0000000..1727ecc
--- /dev/null
+++ b/sim/mips/tx.igen
@@ -0,0 +1,41 @@
+// -*- C -*-
+//
+// toshiba specific instructions.
+//
+
+011100,5.RS,5.RT,5.RD,00000000000:MMINORM:::MADD
+"madd r<RS>, r<RT>":RD == 0
+"madd r<RD>, r<RS>, r<RT>"
+*r3900
+{
+  signed64 prod = (U8_4 (VL4_8 (HI), VL4_8 (LO))
+		   + ((signed64) EXTEND32 (GPR[RT])
+		      * (signed64) EXTEND32 (GPR[RS])));
+  check_mult_hilo (SD_, HIHISTORY, LOHISTORY);
+  TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]);
+  LO = EXTEND32 (prod);
+  HI = EXTEND32 (VH4_8 (prod));
+  TRACE_ALU_RESULT2 (HI, LO);
+  if(RD != 0 )
+    GPR[RD] = LO;
+}
+
+
+011100,5.RS,5.RT,5.RD,00000000001:MMINORM:::MADDU
+"maddu r<RS>, r<RT>":RD == 0
+"maddu r<RD>, r<RS>, r<RT>"
+*r3900
+{
+  unsigned64 prod = (U8_4 (VL4_8 (HI), VL4_8 (LO))
+		     + ((unsigned64) VL4_8 (GPR[RS])
+			* (unsigned64) VL4_8 (GPR[RT])));
+  check_mult_hilo (SD_, HIHISTORY, LOHISTORY);
+  TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]);
+  LO = EXTEND32 (prod);
+  HI = EXTEND32 (VH4_8 (prod));
+  TRACE_ALU_RESULT2 (HI, LO);
+  if(RD != 0)
+    GPR[RD] = LO;
+}
+
+
-- 
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