[Yabause-cvs] yabause/src/c68k gen68k.c,1.4,1.5 gen68k.inc,1.5,1.6

[Guillaume D. <ya...@us...>]

Update of /cvsroot/yabause/yabause/src/c68k
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv3956/yabause/src/c68k

Modified Files:
	gen68k.c gen68k.inc 
Log Message:
Removed (almost) all unused variables in c68k generated code.


Index: gen68k.c
===================================================================
RCS file: /cvsroot/yabause/yabause/src/c68k/gen68k.c,v
retrieving revision 1.4
retrieving revision 1.5
diff -u -d -r1.4 -r1.5
--- gen68k.c	26 Nov 2005 20:51:23 -0000	1.4
+++ gen68k.c	28 Nov 2005 22:36:00 -0000	1.5
@@ -47,7 +47,10 @@
 static void GenLogicI(char op)
 {
     // generate jump table & opcode declaration
-    start_all();
+    if ((current_ea == EA_AREG) || (current_ea == EA_DREG) || (current_ea == EA_IMM))
+        start_all(GEN_RES | GEN_SRC);
+    else
+        start_all(GEN_ADR | GEN_RES | GEN_SRC);
 
     if (current_ea != EA_DREG) current_cycle += 4;
     switch (current_size)
[...1021 lines suppressed...]
     wf_op("\tneogeo_upload();\n");
 
@@ -3574,7 +3657,7 @@
 
 static void Gen0xFAC2()
 {
-    start_all();
+    start_all(GEN_ALL);
 
     wf_op("\tneogeo_prio_switch();\n");
 
@@ -3583,7 +3666,7 @@
 
 static void Gen0xFAC3()
 {
-    start_all();
+    start_all(GEN_ALL);
 
     wf_op("\tneogeo_cdda_control();\n");
 

Index: gen68k.inc
===================================================================
RCS file: /cvsroot/yabause/yabause/src/c68k/gen68k.inc,v
retrieving revision 1.5
retrieving revision 1.6
diff -u -d -r1.5 -r1.6
--- gen68k.inc	26 Nov 2005 20:51:23 -0000	1.5
+++ gen68k.inc	28 Nov 2005 22:36:00 -0000	1.6
@@ -18,6 +18,7 @@
 */
 
 #include <stdarg.h>
+#include <string.h>
 
 #define	EA_DREG         0
 #define	EA_AREG         1
@@ -621,7 +622,13 @@
 	va_end(args);
 }
 
-static void start_op(u32 op)
+#define GEN_ADR 1
+#define GEN_RES 2
+#define GEN_SRC 4
+#define GEN_DST 8
+#define GEN_ALL 15
+
+static void start_op(u32 op, int v)
 {
     current_io_sav = 0;
     current_cycle = 0;
@@ -629,8 +636,10 @@
     wf_op("\n// %s\n", current_op->op_name);
     wf_op("OP_0x%.4X:\n", op & 0xFFFF);
     wf_op("{\n");
-    wf_op("\tu32 adr, res;\n");
-    wf_op("\tpointer src, dst;\n\n");
+    if (v & GEN_ADR) wf_op("\tu32 adr;\n");
+    if (v & GEN_RES) wf_op("\tu32 res;\n");
+    if (v & GEN_DST) wf_op("\tpointer dst;\n");
+    if (v & GEN_SRC) wf_op("\tpointer src;\n");
 }
 
 static void add_CCnt(u32 cycle)
@@ -1500,7 +1509,7 @@
     return base;
 }
 
-static void start_all()
+static void start_all(int v)
 {
     u32 base;
 
@@ -1510,7 +1519,7 @@
     gen_opjumptable(base);
 
     // generate label & declarations
-    start_op(base);
+    start_op(base, v);
 }
 
 static void set_current_size(u32 sz)