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| author | Jan Hubicka <hubicka@ucw.cz> | 2018-01-02 14:04:19 +0100 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2018-01-02 13:04:19 +0000 |
| commit | d555138e648961fdc572d8afdb234b52978828f9 (patch) | |
| tree | 9b73a4533cdc0e87007627bf48d395852dbd66da | |
| parent | f76649a6dc8278b2e377cabf3f80c172ffdc6c2a (diff) | |
| download | gcc-d555138e648961fdc572d8afdb234b52978828f9.zip gcc-d555138e648961fdc572d8afdb234b52978828f9.tar.gz gcc-d555138e648961fdc572d8afdb234b52978828f9.tar.bz2 | |
re PR target/81616 (Update -mtune=generic for the current Intel and AMD processors)
PR target/81616
* config/i386/x86-tune-costs.h: Increase cost of integer load costs
for generic 4->6.
From-SVN: r256073
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/config/i386/x86-tune-costs.h | 4 |
2 files changed, 9 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 57e31cb..522573f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,6 +1,13 @@ 2018-01-02 Jan Hubicka <hubicka@ucw.cz> PR target/81616 + * config/i386/x86-tune-costs.h: Increase cost of integer load costs + for generic 4->6. + +2018-01-02 Jan Hubicka <hubicka@ucw.cz> + + PR target/81616 + Generic tuning. * x86-tune-costs.h (generic_cost): Reduce cost of FDIV 20->17, cost of sqrt 20->14, DIVSS 18->13, DIVSD 32->17, SQRtSS 30->14 and SQRTsD 58->18, cond_not_taken_branch_cost. 2->1. Increase diff --git a/gcc/config/i386/x86-tune-costs.h b/gcc/config/i386/x86-tune-costs.h index eff7f7f..ac0645f 100644 --- a/gcc/config/i386/x86-tune-costs.h +++ b/gcc/config/i386/x86-tune-costs.h @@ -2259,8 +2259,8 @@ struct processor_costs generic_cost = { /* All move costs are relative to integer->integer move times 2 and thus they are latency*2. */ - 4, /* cost for loading QImode using movzbl */ - {4, 4, 4}, /* cost of loading integer registers + 6, /* cost for loading QImode using movzbl */ + {6, 6, 6}, /* cost of loading integer registers in QImode, HImode and SImode. Relative to reg-reg move (2). */ {6, 6, 6}, /* cost of storing integer registers */ |