Ensure earlyclobbered operands go through a terminate_write stage.

* regrename.c (record_out_operands): Terminate earlyclobbered operands here. From-SVN: r230500

Ensure earlyclobbered operands go through a terminate_write stage.
* regrename.c (record_out_operands): Terminate earlyclobbered operands here. From-SVN: r230500
e85883d4 · Bernd Schmidt · Bernd Schmidt · d534bf56 · e85883d4 · e85883d4
Commit e85883d4 authored Nov 17, 2015 by Bernd Schmidt Committed by Bernd Schmidt Nov 17, 2015
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gcc/regrename.c
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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
 2015-11-17  Bernd Schmidt  <bschmidt@redhat.com>

+	* regrename.c (record_out_operands): Terminate earlyclobbered
+	operands here.
+
 	PR target/66785
 	* regrename.c (record_operand_use): Keep track of failed operands
 	and stop appending if we see any.
--- a/gcc/regrename.c
+++ b/gcc/regrename.c
@@ -1558,6 +1558,8 @@ record_out_operands (rtx_insn *insn, bool earlyclobber, insn_rr_info *insn_info)
 	cur_operand = insn_info->op_info + i;

      prev_open = open_chains;
+      if (earlyclobber)
+	scan_rtx (insn, loc, cl, terminate_write, OP_OUT);
      scan_rtx (insn, loc, cl, mark_write, OP_OUT);

      /* ??? Many targets have output constraints on the SET_DEST