re PR rtl-optimization/12440 (gcc 3.3.1 on i386 linux 2.4.22 crashes during…

re PR rtl-optimization/12440 (gcc 3.3.1 on i386 linux 2.4.22 crashes during compilation of quicktime4linux 2.0.0)

	PR optimization/12440
	* loop.c: Include ggc.h.
	(loop_optimize): Run garbage collector between optimization of loops.
	* Makefile.in (loop.o): Add GGC_H dependency.

From-SVN: r76213

gcc/ChangeLog

+2004-01-20  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
+
+	PR optimization/12440
+	* loop.c: Include ggc.h.
+	(loop_optimize): Run garbage collector between optimization of loops.
+	* Makefile.in (loop.o): Add GGC_H dependency.
+
 2004-01-20  Hartmut Penner  <hpenner@de.ibm.com>
 
 	* gcc/config/rs6000/rs6000.c (function_arg) Handle 

gcc/Makefile.in

@@ -1668,7 +1668,7 @@ value-prof.o : value-prof.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(RTL_H)
 loop.o : loop.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(RTL_H) flags.h $(LOOP_H) \
    insn-config.h $(REGS_H) hard-reg-set.h $(RECOG_H) $(EXPR_H) \
    real.h $(PREDICT_H) $(BASIC_BLOCK_H) function.h cfgloop.h \
-   toplev.h varray.h except.h cselib.h $(OPTABS_H) $(TM_P_H)
+   toplev.h varray.h except.h cselib.h $(OPTABS_H) $(TM_P_H) $(GGC_H)
 doloop.o : doloop.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(RTL_H) flags.h \
    $(LOOP_H) $(EXPR_H) hard-reg-set.h $(BASIC_BLOCK_H) $(TM_P_H) toplev.h \
    cfgloop.h

gcc/loop.c

@@ -65,6 +65,7 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 #include "insn-flags.h"
 #include "optabs.h"
 #include "cfgloop.h"
+#include "ggc.h"
 
 /* Not really meaningful values, but at least something.  */
 #ifndef SIMULTANEOUS_PREFETCHES
@@ -534,7 +535,10 @@ loop_optimize (rtx f, FILE *dumpfile, int flags)
       struct loop *loop = &loops->array[i];
 
       if (! loop->invalid && loop->end)
-	scan_loop (loop, flags);
+	{
+	  scan_loop (loop, flags);
+	  ggc_collect ();
+	}
     }
 
   end_alias_analysis ();