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Do not ignore costs of jump insns in combine.

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* combine.c (combine_instructions): Record costs for jumps.

From-SVN: r278655
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Bernd Schmidt 2019-11-24 13:11:55 +00:00 committed by Bernd Schmidt
parent cc2ccbcedd
commit 391500af19
2 changed files with 3 additions and 2 deletions
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gcc/ChangeLog
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@ -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.

3
gcc/combine.c
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@ -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));