X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fz80%2Fmain.c;h=adc65c09523d7af462524f90be140ae759f9db78;hb=d08e6df2202ed3f19b681221b502dedb3c6c8a28;hp=86501c99324a05cc6e8bb8c6949f8bbdde0dbe54;hpb=ac2a3bee4ffe024a919c1b360cc888679a45f326;p=fw%2Fsdcc

diff --git a/src/z80/main.c b/src/z80/main.c
index 86501c99..adc65c09 100644
--- a/src/z80/main.c
+++ b/src/z80/main.c
@@ -112,11 +112,8 @@ extern PORT z80_port;
 #include "mappings.i"
 
 static builtins _z80_builtins[] = {
-  /* Disabled for now.
-    { "__builtin_strcpy", "v", 2, {"cg*", "cg*" } },
-    { "__builtin_memcpy", "cg*", 3, {"cg*", "cg*", "ui" } },
-  */
-    { NULL , NULL,0, {NULL}}
+    { "__builtin_memcpy", "vg*", 3, {"vg*", "vg*", "ui" } },
+    { NULL , NULL, 0, {NULL}}
 };
 
 static void
@@ -652,6 +649,13 @@ _hasNativeMulFor (iCode *ic, sym_link *left, sym_link *right)
       test = right;
       val = OP_VALUE (IC_RIGHT (ic));
     }
+  /* 8x8 unsigned multiplication code is shorter than
+     call overhead for the multiplication routine. */
+  else if ( IS_CHAR (right) && IS_UNSIGNED (right) &&
+    IS_CHAR (left) && IS_UNSIGNED(left) && !IS_GB)
+    {
+      return TRUE;
+    }
   else
     {
       return FALSE;
@@ -820,7 +824,7 @@ PORT z80_port =
   0,                            /* leave == */
   TRUE,                         /* Array initializer support. */
   0,                            /* no CSE cost estimation yet */
-  _z80_builtins,                /* no builtin functions */
+  _z80_builtins,                /* builtin functions */
   GPOINTER,                     /* treat unqualified pointers as "generic" pointers */
   1,                            /* reset labelKey to 1 */
   1,                            /* globals & local static allowed */