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| author | Jan Hubicka <hubicka@ucw.cz> | 2017-10-05 17:00:25 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2017-10-05 15:00:25 +0000 |
| commit | 008605896461ec52eefda23c7a8b770a62fda554 (patch) | |
| tree | d83282e7c768126d2a9e1132d43f7aa367c1d6c4 /gcc | |
| parent | a813c28053a824bcd404f2d3327abb7b96374ab6 (diff) | |
| download | gcc-008605896461ec52eefda23c7a8b770a62fda554.zip gcc-008605896461ec52eefda23c7a8b770a62fda554.tar.gz gcc-008605896461ec52eefda23c7a8b770a62fda554.tar.bz2 | |
i386.c (znver1_cost): Set branch_cost to 3 (instead of 2) to improve monte carlo in scimark.
* i386.c (znver1_cost): Set branch_cost to 3 (instead of 2)
to improve monte carlo in scimark.
From-SVN: r253449
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/i386/i386.c | 2 |
2 files changed, 6 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ef4a47c..43bb147 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2017-10-05 Jan Hubicka <hubicka@ucw.cz> + * i386.c (znver1_cost): Set branch_cost to 3 (instead of 2) + to improve monte carlo in scimark. + +2017-10-05 Jan Hubicka <hubicka@ucw.cz> + * i386.c (ix86_size_cost, i386_cost, i486_cost, pentium_cost, lakemont_cost, pentiumpro_cost, geode_cost, k6_cost, athlon_cost, k8_cost, amdfam10_cost, btver1_cost, btver2_cost, diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index b7c125c..01115e9 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -1421,7 +1421,7 @@ struct processor_costs znver1_cost = { to limit number of prefetches at all, as their execution also takes some time). */ 100, /* number of parallel prefetches. */ - 2, /* Branch cost. */ + 3, /* Branch cost. */ COSTS_N_INSNS (6), /* cost of FADD and FSUB insns. */ COSTS_N_INSNS (6), /* cost of FMUL instruction. */ COSTS_N_INSNS (42), /* cost of FDIV instruction. */ |