https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86952
H.J. Lu <hjl.tools at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |WONTFIX --- Comment #11 from H.J. Lu <hjl.tools at gmail dot com> --- (In reply to Martin Liška from comment #10) > H.J. : Can you please run updated benchmark on a recent machine and provide > slow down numbers for that? The numbers aren't stable: [hjl@gnu-cfl-1 microbenchmark]$ make ./test 30000 loops: global: 21, total: 625 no jump table: 178424 global: 21, total: 625 jump table : 266792 (149.53%) [hjl@gnu-cfl-1 microbenchmark]$ make ./test 30000 loops: global: 21, total: 625 no jump table: 185068 global: 21, total: 625 jump table : 266678 (144.10%) [hjl@gnu-cfl-1 microbenchmark]$ make ./test 30000 loops: global: 21, total: 625 no jump table: 292810 global: 21, total: 625 jump table : 214840 (73.37%) [hjl@gnu-cfl-1 microbenchmark]$ Close it for now.