(mark_target_live_regs): When scanning insns, ignore

CLOBBERs in addition to USEs. From-SVN: r5513

(mark_target_live_regs): When scanning insns, ignore
CLOBBERs in addition to USEs. From-SVN: r5513
f87ef537 · Jim Wilson · 334eb142 · f87ef537
Commit f87ef537 authored Sep 28, 1993 by Jim Wilson
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gcc/reorg.c
+2 -1

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--- a/gcc/reorg.c
+++ b/gcc/reorg.c
@@ -2475,7 +2475,8 @@ mark_target_live_regs (target, res)
 	     clobber registers used for parameters.  It isn't worth bothering
 	     with the unlikely case when it won't.  */
 	  if ((GET_CODE (real_insn) == INSN
-	       && GET_CODE (PATTERN (real_insn)) != USE)
+	       && GET_CODE (PATTERN (real_insn)) != USE
+	       && GET_CODE (PATTERN (real_insn)) != CLOBBER)
 	      || GET_CODE (real_insn) == JUMP_INSN
 	      || GET_CODE (real_insn) == CALL_INSN)
 	    {