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| author | Uros Bizjak <ubizjak@gmail.com> | 2019-09-06 21:27:58 +0200 |
|---|---|---|
| committer | Uros Bizjak <uros@gcc.gnu.org> | 2019-09-06 21:27:58 +0200 |
| commit | 4e9ad7c9d8e0efbbee876b60c7bffd622072523f (patch) | |
| tree | 49954c92afde0a2b332d7be4ded61977b14b4386 /gcc | |
| parent | aa8901e9bb0399d2c16f988ba2fe46eb0c0c5d13 (diff) | |
| download | gcc-4e9ad7c9d8e0efbbee876b60c7bffd622072523f.zip gcc-4e9ad7c9d8e0efbbee876b60c7bffd622072523f.tar.gz gcc-4e9ad7c9d8e0efbbee876b60c7bffd622072523f.tar.bz2 | |
re PR target/91654 (Regressions of SPEC2017 rate caused by r274994)
PR target/91654
* config/i386/x86-tune-costs.h (skylake_cost): Raise the
cost of SSE->integer and integer->SSE moves from 2 to 6.
(core_cost): Ditto.
From-SVN: r275475
Diffstat (limited to 'gcc')
| -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 7d5a272..86e8ab6 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2019-09-06 Uroš Bizjak <ubizjak@gmail.com> + + PR target/91654 + * config/i386/x86-tune-costs.h (skylake_cost): Raise the + cost of SSE->integer and integer->SSE moves from 2 to 6. + (core_cost): Ditto. + 2019-09-06 Jakub Jelinek <jakub@redhat.com> * function.c (assign_parm_find_data_types): Use RECORD_OR_UNION_TYPE_P diff --git a/gcc/config/i386/x86-tune-costs.h b/gcc/config/i386/x86-tune-costs.h index 3381b8b..00edece 100644 --- a/gcc/config/i386/x86-tune-costs.h +++ b/gcc/config/i386/x86-tune-costs.h @@ -1610,7 +1610,7 @@ struct processor_costs skylake_cost = { in 32,64,128,256 and 512-bit */ {8, 8, 8, 12, 24}, /* cost of storing SSE registers in 32,64,128,256 and 512-bit */ - 2, 2, /* SSE->integer and integer->SSE moves */ + 6, 6, /* SSE->integer and integer->SSE moves */ /* End of register allocator costs. */ }, @@ -2555,7 +2555,7 @@ struct processor_costs core_cost = { in 32,64,128,256 and 512-bit */ {6, 6, 6, 6, 12}, /* cost of storing SSE registers in 32,64,128,256 and 512-bit */ - 2, 2, /* SSE->integer and integer->SSE moves */ + 6, 6, /* SSE->integer and integer->SSE moves */ /* End of register allocator costs. */ }, |