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| author | Wilco Dijkstra <wdijkstr@arm.com> | 2021-10-20 13:12:32 +0100 |
|---|---|---|
| committer | Wilco Dijkstra <wdijkstr@arm.com> | 2021-10-20 13:38:12 +0100 |
| commit | c437d3340d21c0c47537aca91e3546d2d6f1ae02 (patch) | |
| tree | abe22eed0559c4f87d00a9990e71421d30977484 /gcc | |
| parent | 16ce822ed14e6635ee2ffcba394bba8e934bc6dd (diff) | |
| download | gcc-c437d3340d21c0c47537aca91e3546d2d6f1ae02.zip gcc-c437d3340d21c0c47537aca91e3546d2d6f1ae02.tar.gz gcc-c437d3340d21c0c47537aca91e3546d2d6f1ae02.tar.bz2 | |
AArch64: Enable fast shifts on Neoverse V1/N2
Enable the fast shift feature in Neoverse V1 and N2 tunings as well.
2021-10-20 Wilco Dijkstra <wdijkstr@arm.com>
gcc/
* config/aarch64/aarch64.c (neoversev1_tunings):
Enable AARCH64_EXTRA_TUNE_CHEAP_SHIFT_EXTEND.
(neoversen2_tunings): Likewise.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/aarch64/aarch64.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c index 730607f..1d53c71 100644 --- a/gcc/config/aarch64/aarch64.c +++ b/gcc/config/aarch64/aarch64.c @@ -1839,7 +1839,8 @@ static const struct tune_params neoversev1_tunings = tune_params::AUTOPREFETCHER_WEAK, /* autoprefetcher_model. */ (AARCH64_EXTRA_TUNE_CSE_SVE_VL_CONSTANTS | AARCH64_EXTRA_TUNE_USE_NEW_VECTOR_COSTS - | AARCH64_EXTRA_TUNE_MATCHED_VECTOR_THROUGHPUT), /* tune_flags. */ + | AARCH64_EXTRA_TUNE_MATCHED_VECTOR_THROUGHPUT + | AARCH64_EXTRA_TUNE_CHEAP_SHIFT_EXTEND), /* tune_flags. */ &generic_prefetch_tune }; @@ -1995,7 +1996,7 @@ static const struct tune_params neoversen2_tunings = 2, /* min_div_recip_mul_df. */ 0, /* max_case_values. */ tune_params::AUTOPREFETCHER_WEAK, /* autoprefetcher_model. */ - (AARCH64_EXTRA_TUNE_NONE), /* tune_flags. */ + (AARCH64_EXTRA_TUNE_CHEAP_SHIFT_EXTEND), /* tune_flags. */ &generic_prefetch_tune }; |