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8 Commits

Author SHA1 Message Date
Craig Topper a72012c206 [X86] Correct the cost of (v4i32 (fptoui (v4f64))) under AVX512F. 
Summary: This was inheriting the cost from the AVX table, but should be legal under AVX512.

Reviewers: RKSimon

Reviewed By: RKSimon

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D51267

llvm-svn: 340708
 2018-08-26 18:47:44 +00:00
Simon Pilgrim cd9ccf8824 [CostModel][X86] Split off BtVer2 cost checks 
llvm-svn: 330433
 2018-04-20 13:50:33 +00:00
Simon Pilgrim 34b397a318 [CostModel][X86] Add some specific cpu targets to the cost models 
We're mostly testing with generic isa attributes, but PR36550 will require testing of specific target's scheduler models as well.

llvm-svn: 330056
 2018-04-13 19:30:15 +00:00
Simon Pilgrim ad768585ff [CostModel][X86] Regenerate int<->fp cost tests with update_analyze_test_checks.py 
llvm-svn: 329398
 2018-04-06 15:12:36 +00:00
Zvi Rackover 25799d93f0 X86: Improve AVX512 fptoui lowering 
Summary:
Add patterns for
  fptoui <16 x float> to <16 x i8>
  fptoui <16 x float> to <16 x i16>

Reviewers: igorb, delena, craig.topper

Reviewed By: craig.topper

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D37505

llvm-svn: 312704
 2017-09-07 07:40:34 +00:00
Simon Pilgrim 841d7ca463 [X86][AVX512] Add support for v2i64 fptosi/fptoui/sitofp/uitofp on AVX512DQ-only targets 
Use 512-bit instructions with subvector insertion/extraction like we do in a number of similar circumstances

llvm-svn: 287882
 2016-11-24 14:46:55 +00:00
Simon Pilgrim e5dbdbefca [CostModel][X86] Add v2f32 -> v2i64 fptosi/fptoui cost tests 
llvm-svn: 287756
 2016-11-23 11:43:00 +00:00
Simon Pilgrim 1ec20e9b0a [CostModel][X86] Added tests for current fptosi/fptoui costs 
llvm-svn: 283047
 2016-10-01 19:09:59 +00:00