* src/mcs51/ralloc.c (getRegPtr, getRegGpr),

[fw/sdcc] / src / ds390 / ralloc.c

diff --git a/src/ds390/ralloc.c b/src/ds390/ralloc.c
index 042eb5009109fada2b0d36957caa48e67fdedada..42de2a96aeabbd444d148714f40bd42ae4d87eb3 100644 (file)
--- a/src/ds390/ralloc.c
+++ b/src/ds390/ralloc.c
@@ -802,6 +802,7 @@ static regs *
 getRegPtr (iCode * ic, eBBlock * ebp, symbol * sym)
 {
   regs *reg;
+  int j;
 
 tryAgain:
   /* try for a ptr type */
@@ -816,6 +817,11 @@ tryAgain:
   if (!spilSomething (ic, ebp, sym))
     return NULL;
 
+  /* make sure partially assigned registers aren't reused */
+  for (j=0; j<=sym->nRegs; j++)
+    if (sym->regs[j])
+      sym->regs[j]->isFree = 0;
+      
   /* this looks like an infinite loop but 
      in really selectSpil will abort  */
   goto tryAgain;
@@ -828,6 +834,7 @@ static regs *
 getRegGpr (iCode * ic, eBBlock * ebp, symbol * sym)
 {
   regs *reg;
+  int j;
 
 tryAgain:
   /* try for gpr type */
@@ -842,6 +849,11 @@ tryAgain:
   if (!spilSomething (ic, ebp, sym))
     return NULL;
 
+  /* make sure partially assigned registers aren't reused */
+  for (j=0; j<=sym->nRegs; j++)
+    if (sym->regs[j])
+      sym->regs[j]->isFree = 0;
+      
   /* this looks like an infinite loop but 
      in really selectSpil will abort  */
   goto tryAgain;