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From: cvs at opencores.org<cvs@o...>
Date: Fri Dec 29 17:53:08 CET 2006
Subject: [cvs-checkins] MODIFIED: jop ...
Date: 00/06/12 29:17:53

Modified: jop/asm/src jvm.asm
Log:
dup2_x1, dup2_x2


Revision Changes Path
1.38 jop/asm/src/jvm.asm

http://www.opencores.org/cvsweb.shtml/jop/asm/src/jvm.asm.diff?r1=1.37&r2=1.38

(In the diff below, changes in quantity of whitespace are not shown.)

Index: jvm.asm
===================================================================
RCS file: /cvsroot/martin/jop/asm/src/jvm.asm,v
retrieving revision 1.37
retrieving revision 1.38
diff -u -b -r1.37 -r1.38
--- jvm.asm 29 Dec 2006 16:14:17 -0000 1.37
+++ jvm.asm 29 Dec 2006 16:53:08 -0000 1.38
@@ -83,7 +83,7 @@
// little optimization in array load/store
// 2006-12-27 add a special bytecode for Peter's single path
// programming
-// 2006-12-29 2K ROM, laload, lastore enabled again
+// 2006-12-29 2K ROM, laload, lastore enabled again, dup2_x1, dup2_x2
//
// idiv, irem WRONG when one operand is 0x80000000
// but is now in JVM.java
@@ -498,21 +498,39 @@
pop2: pop
pop nxt
dup: dup nxt
+dup_x1: stm a
+ stm b
+ ldm a
+ ldm b
+ ldm a nxt
+dup_x2: stm a
+ stm b
+ stm c
+ ldm a
+ ldm c
+ ldm b
+ ldm a nxt
dup2: stm a
stm b
ldm b
ldm a
ldm b
ldm a nxt
-dup_x1: stm a
+dup2_x1: stm a
stm b
+ stm c
+ ldm b
ldm a
+ ldm c
ldm b
ldm a nxt
-dup_x2: stm a
+dup2_x2: stm a
stm b
stm c
+ stm d
+ ldm b
ldm a
+ ldm d
ldm c
ldm b
ldm a nxt