# HG changeset patch
# User kono
# Date 948039659 -32400
# Node ID 77c0710a872978e9c95478504362538545296a46
# Parent  a8a812dace2384245a856d13634caf8785211684
struct copy

diff -r a8a812dace23 -r 77c0710a8729 mc-nop-386.c
--- a/mc-nop-386.c	Mon Jan 17 00:43:06 2000 +0900
+++ b/mc-nop-386.c	Mon Jan 17 01:20:59 2000 +0900
@@ -757,37 +757,40 @@
 	break;
     default:
 	if (length <=MAX_COPY_LEN) {
-	    for(;length>4;length-=4,offset+=4);
+	    for(;length>=4;length-=4,offset+=4)
 		emit_copy(from,to,4,offset);
-	    for(;length>2;length-=2,offset+=2);
+	    for(;length>=2;length-=2,offset+=2)
 		emit_copy(from,to,2,offset);
 	    if(length>0)
 		emit_copy(from,to,length,offset);
 	    return;
 	}
-	printf("\texch %%edi,%s\n",from);
-	printf("\texch %%esi,%s\n",to);
-	printf("\texch %%ecx,%s\n",drn);
-	printf("\tmovl $%d,%%ecx\n",length);
+	printf("\txchg %%edi,%s\n",from);
+	printf("\txchg %%esi,%s\n",to);
+	printf("\txchg %%ecx,%s\n",drn);
+	printf("\tmovl $%d,%%ecx\n",length/4);
 	printf("\tcld\n\trep\n\tmovsl\n");
-	printf("\texch %%ecx,%s\n",drn);
-	printf("\texch %%esi,%s\n",to);
-	printf("\texch %%edi,%s\n",from);
+	printf("\txchg %%ecx,%s\n",drn);
+	printf("\txchg %%esi,%s\n",to);
+	printf("\txchg %%edi,%s\n",from);
+	if(length%4) {
+	    emit_copy("%esi","%edi",length,offset+length/4);
+	}
     }
 }
 
 int
 struct_push(int e4,int t) 
 {
-    int e5;
+    int length;
     g_expr(e4);
-    e5=size(t); 
-    if(e5%size_of_int) {
-	e5 += size_of_int - (e5%size_of_int);
+    length=size(t); 
+    if(length%size_of_int) {
+	length += size_of_int - (length%size_of_int);
     }
-    printf("\tsubl $%d,%%esp\n",e5);
-    if (e5<=MAX_COPY_LEN)
-	emit_copy(crn,"%esp",e5,0);
+    printf("\tsubl $%d,%%esp\n",length);
+    if (length<=MAX_COPY_LEN)
+	emit_copy(crn,"%esp",length,0);
     else {
 	printf("\tpushl %%edi\n");
 	printf("\tpushl %%esi\n");
@@ -795,13 +798,13 @@
 	printf("\tleal 12(%%esp),%%di\n");
 	if (rname[creg]!=REG_ESI)
 		printf("\tmovl %s,%%esi\n",crn);
-	printf("\tmovl $%d,%%ecx\n",e5);
+	printf("\tmovl $%d,%%ecx\n",length/size_of_int);
 	printf("\tcld\n\trep\n\tmovsl\n");
 	printf("\tpopl %%ecx\n");
 	printf("\tpopl %%esi\n");
 	printf("\tpopl %%edi\n");
     }
-    return e5/size_of_int;
+    return length/size_of_int;
 }
 
 void
@@ -1032,7 +1035,7 @@
     e2 = cadr(e1);
     e3 = cadr(e2);
     e4 = caddr(e1);
-    sz = size(cadr(e2));  /* cld rep movsb */
+    sz = cadddr(e1);  /* cld rep movsb */
     g_expr(e4);
     emit_push();
     g_expr(e2);
diff -r a8a812dace23 -r 77c0710a8729 mc-parse.c
--- a/mc-parse.c	Mon Jan 17 00:43:06 2000 +0900
+++ b/mc-parse.c	Mon Jan 17 01:20:59 2000 +0900
@@ -722,9 +722,9 @@
 	    nsc = LVAR;
 	    ndsp = (disp -= sz);
 	}
+	n->sc = nsc;
+	n->dsp = ndsp;
 	if(sym==ASS) {	
-	    n->sc = nsc;
-	    n->dsp = ndsp;
 	    decl_data(type,n,0);
 	}
 	return;
@@ -776,7 +776,7 @@
 	} else if (scalar(t)) {
 	    ass = list3(ASS,list2(LVAR,n->dsp+offset),e);
 	} else if (car(t)==STRUCT || car(t)==UNION || car(t)==STRING) {
-	    ass = list3(SASS,list2(LVAR,n->dsp+offset),e);
+	    ass = list4(SASS,list2(LVAR,n->dsp+offset),e,size(t));
 	} else {
 	    error(DCERR);
 	}
@@ -1410,8 +1410,8 @@
 	    error(TYERR);
 	if(t==CHAR) {
 	    type= INT;return(list3(CASS,e1,e2));
-	} else if(t==STRUCT||t==UNION) {
-	    type= t;return(list3(SASS,e1,e2));
+	} else if(!scalar(t)&&(car(t)==STRUCT||car(t)==UNION)) {
+	    type= t;return(list4(SASS,e1,e2,size(t)));
 	}
 	type=t;
 	return(list3(ASS,e1,e2));