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| author | Richard Biener <rguenther@suse.de> | 2018-10-08 14:47:40 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2018-10-08 14:47:40 +0000 |
| commit | 45e87b24f38513f57a291ecd3a2c639356224ae3 (patch) | |
| tree | 1c1fee326732fa22b7c32109784271669cf978c6 /gcc | |
| parent | 3cbb7cbb096134746588d08a469778b11ae6ac73 (diff) | |
| download | gcc-45e87b24f38513f57a291ecd3a2c639356224ae3.zip gcc-45e87b24f38513f57a291ecd3a2c639356224ae3.tar.gz gcc-45e87b24f38513f57a291ecd3a2c639356224ae3.tar.bz2 | |
x86-tune-costs.h (znver1_cost): Make AVX256 vector loads cost the same as AVX128 ones.
2018-10-08 Richard Biener <rguenther@suse.de>
* config/i386/x86-tune-costs.h (znver1_cost): Make AVX256 vector loads
cost the same as AVX128 ones.
From-SVN: r264934
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/i386/x86-tune-costs.h | 4 |
2 files changed, 7 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 0e10c55..d99306b 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2018-10-08 Richard Biener <rguenther@suse.de> + + * config/i386/x86-tune-costs.h (znver1_cost): Make AVX256 vector loads + cost the same as AVX128 ones. + 2018-10-08 Paul Koning <ni1d@arrl.net> * config/pdp11/pdp11-protos.h (output_block_move): Remove. diff --git a/gcc/config/i386/x86-tune-costs.h b/gcc/config/i386/x86-tune-costs.h index 71a5854..9c8ae0a 100644 --- a/gcc/config/i386/x86-tune-costs.h +++ b/gcc/config/i386/x86-tune-costs.h @@ -1518,9 +1518,9 @@ struct processor_costs znver1_cost = { {8, 8}, /* cost of storing MMX registers in SImode and DImode. */ 2, 3, 6, /* cost of moving XMM,YMM,ZMM register. */ - {6, 6, 6, 10, 20}, /* cost of loading SSE registers + {6, 6, 6, 6, 12}, /* cost of loading SSE registers in 32,64,128,256 and 512-bit. */ - {6, 6, 6, 10, 20}, /* cost of unaligned loads. */ + {6, 6, 6, 6, 12}, /* cost of unaligned loads. */ {8, 8, 8, 8, 16}, /* cost of storing SSE registers in 32,64,128,256 and 512-bit. */ {8, 8, 8, 8, 16}, /* cost of unaligned stores. */ |