gen: allow dereferencing accumulator (for i386)

TODO

@@ -15,15 +15,13 @@ Parser----------------------
 
 
 Code Generator--------------
-	1. Code generator state
+	Code generator state
 		File output buffer
 			Set a block size and only output when full
 		Variable data
 			Types & type annotation (i32, i8, string, references,...)
+			x86_64: reference type needs 64-bit size to store addresses
 		"Run" build architecture
 			Virtual machine for intermediate representation/language
 		"Intermediate build representation/architecture/language"
 			Smart pointers (references/borrow checking)?
-	2. x86_64-linux ABI
-		Function calls
-			Nested functions

gen.c

@@ -1084,15 +1084,19 @@ void gen_evalop(Gen*gen,PNode*pn,eval_elem*elem,size_t nops,Tok*curtok,FILE*file
 				switch(elem[0].type)
 				{
 
+					default:
+						if(gen->buildarch==M_X86_64)
+						{
+							err_log("%u: cannot dereference '%s'",vec_at(&pn->tokens,0,Tok*)->line,operands[0]);
+							break;
+						}
+						/* FALL THROUGH */
+
 					case EE_VAR:
 						opos+=sprintf(output_buffer+opos,"\t%s %s,%%%s\n",ld.mov_wordsize,operands[0],ld.scratch1_wordsize);
 						opos+=sprintf(output_buffer+opos,"\t%s (%%%s),%%%s\n",operator,ld.scratch1_wordsize,ld.acc_32);
 						break;
 
-					default:
-						err_log("%u: cannot dereference '%s'",vec_at(&pn->tokens,0,Tok*)->line,operands[0]);
-						break;
-
 				}
 
 				tmpelem=(eval_elem){.type=EE_ACC,.val={0}};

tests/all/derefref.lr

@@ -0,0 +1,8 @@
+#*:110
+# Reference and dereference together
+fn main()
+{
+	let x=105;
+	let y=*(&x)+5;
+	ret y;
+}