This shows the registers in use in --i-code-in-asm and saves some spill locs

[fw/sdcc] / src / mcs51 / gen.c

diff --git a/src/mcs51/gen.c b/src/mcs51/gen.c
index 6dcefa60726362697c362fda1e4766227cdf297d..9b28f9b4adbd710ec1ea58b666837711a86db3dd 100644 (file)
--- a/src/mcs51/gen.c
+++ b/src/mcs51/gen.c
@@ -8919,7 +8919,15 @@ gen51Code (iCode * lic)
          cln = ic->lineno;
        }
       if (options.iCodeInAsm) {
-       emitcode("", ";ic:%d: %s", ic->key, printILine(ic));
+       char regsInUse[80];
+       int i;
+
+       for (i=0; i<8; i++) {
+         sprintf (&regsInUse[i],
+                  "%c", ic->riu & (1<<i) ? i+'0' : '-'); 
+       }
+       regsInUse[i]=0;
+       emitcode("", "; [%s] ic:%d: %s", regsInUse, ic->seq, printILine(ic));
       }
       /* if the result is marked as
          spilt and rematerializable or code for