From: Jeffrey A Law <law@cygnus.com>
Date: Mon, 15 Feb 1999 22:10:25 +0000 (+0000)
Subject: jump.c: Include insn-attr.h.
X-Git-Tag: prereleases/egcs-1.1.2-prerelease-1~5
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d24f30e236f91face88c4cc8892cfdcd5f67ed60;p=thirdparty%2Fgcc.git

jump.c: Include insn-attr.h.

        * jump.c: Include insn-attr.h.
        (delete_computation): If reload has completed and insn scheduling
        after reload is enabled, then do not depend on REG_DEAD notes.
        * Makefile.in (jump.o): Depend on insn-attr.h.

From-SVN: r25224
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 62aeb4d9b1d4..5f11bfeacab7 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,10 @@
 Mon Feb 15 11:33:51 1999  Jeffrey A Law  (law@cygnus.com)
 
+	* jump.c: Include insn-attr.h.
+	(delete_computation): If reload has completed and insn scheduling
+	after reload is enabled, then do not depend on REG_DEAD notes.
+	* Makefile.in (jump.o): Depend on insn-attr.h.
+
 	* sparc.c (output_scc_insn): Add missing argument to output_cbranch.
 
 	* loop.c (mark_loop_jump): Handle LO_SUM.  If we encounter something
diff --git a/gcc/Makefile.in b/gcc/Makefile.in
index 5acf9267aef7..8d301cb98c4a 100644
--- a/gcc/Makefile.in
+++ b/gcc/Makefile.in
@@ -1429,7 +1429,7 @@ integrate.o : integrate.c $(CONFIG_H) system.h $(RTL_H) $(TREE_H) flags.h \
 
 jump.o : jump.c $(CONFIG_H) system.h $(RTL_H) flags.h hard-reg-set.h $(REGS_H) \
    insn-config.h insn-flags.h $(RECOG_H) $(EXPR_H) real.h except.h \
-   toplev.h
+   toplev.h insn-attr.h
 stupid.o : stupid.c $(CONFIG_H) system.h $(RTL_H) $(REGS_H) hard-reg-set.h \
    flags.h toplev.h
 
diff --git a/gcc/jump.c b/gcc/jump.c
index 9a3cd8cbf6de..ff4680c76622 100644
--- a/gcc/jump.c
+++ b/gcc/jump.c
@@ -59,6 +59,7 @@ Boston, MA 02111-1307, USA.  */
 #include "regs.h"
 #include "insn-config.h"
 #include "insn-flags.h"
+#include "insn-attr.h"
 #include "recog.h"
 #include "expr.h"
 #include "real.h"
@@ -3650,6 +3651,17 @@ delete_computation (insn)
     }
 #endif
 
+#ifdef INSN_SCHEDULING
+  /* ?!? The schedulers do not keep REG_DEAD notes accurate after
+     reload has completed.  The schedulers need to be fixed.  Until
+     they are, we must not rely on the death notes here.  */
+  if (reload_completed && flag_schedule_insns_after_reload)
+    {
+      delete_insn (insn);
+      return;
+    }
+#endif
+
   for (note = REG_NOTES (insn); note; note = next)
     {
       rtx our_prev;