Do not ignore costs of jump insns in combine.

* combine.c (combine_instructions): Record costs for jumps. From-SVN: r278655

Do not ignore costs of jump insns in combine.
* combine.c (combine_instructions): Record costs for jumps. From-SVN: r278655
391500af · Bernd Schmidt · Bernd Schmidt · cc2ccbce · 391500af · 391500af
Commit 391500af authored Nov 24, 2019 by Bernd Schmidt Committed by Bernd Schmidt Nov 24, 2019
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gcc/ChangeLog
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gcc/combine.c
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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -3,6 +3,8 @@
 	* config/i386/i386.c (ix86_rtx_costs): Handle care of a PLUS in a
 	COMPARE, representing an overflow detection.

+	* combine.c (combine_instructions): Record costs for jumps.
+
 2019-11-23  Jan Hubicka  <hubicka@ucw.cz>

 	* cif-code.def (MAX_INLINE_INSNS_SINGLE_O2_LIMIT): Remove.
--- a/gcc/combine.c
+++ b/gcc/combine.c
@@ -1233,8 +1233,7 @@ combine_instructions (rtx_insn *f, unsigned int nregs)
 						    insn);

 	    /* Record the current insn_cost of this instruction.  */
-	    if (NONJUMP_INSN_P (insn))
-	      INSN_COST (insn) = insn_cost (insn, optimize_this_for_speed_p);
+	    INSN_COST (insn) = insn_cost (insn, optimize_this_for_speed_p);
 	    if (dump_file)
 	      {
 		fprintf (dump_file, "insn_cost %d for ", INSN_COST (insn));