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re PR target/87545 (-mtune=intel regressions) 

2019-01-02  Richard Biener  <rguenther@suse.de>

	PR target/87545
	* config/i386/x86-tune-costs.h (intel_cost): Adjust
	cost of cheap SSE instruction.

From-SVN: r267509
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Richard Biener 2019-01-02 11:04:45 +00:00 committed by Richard Biener
parent 362eea7cbf
commit 3ff59baa1c
2 changed files with 7 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2019-01-02 Richard Biener <rguenther@suse.de>
PR target/87545
* config/i386/x86-tune-costs.h (intel_cost): Adjust
cost of cheap SSE instruction.
2019-01-02 Richard Biener <rguenther@suse.de>
PR ipa/85574

2
gcc/config/i386/x86-tune-costs.h
View File

@ -2115,7 +2115,7 @@ struct processor_costs intel_cost = {
COSTS_N_INSNS (8), /* cost of FCHS instruction. */
COSTS_N_INSNS (40), /* cost of FSQRT instruction. */
COSTS_N_INSNS (8), /* cost of cheap SSE instruction. */
COSTS_N_INSNS (1), /* cost of cheap SSE instruction. */
COSTS_N_INSNS (8), /* cost of ADDSS/SD SUBSS/SD insns. */
COSTS_N_INSNS (8), /* cost of MULSS instruction. */
COSTS_N_INSNS (8), /* cost of MULSD instruction. */