f64 fpext without a GPR round-trip
#218359

Merged

[X86] Lower bf16->f32/f64 fpext without a GPR round-trip #218359

RKSimon merged 12 commits into llvm:main from tfzee:bf16_conv

initial addition of fptobf16 lowering

6310b004

tfzee marked this pull request as ready for review 22 days ago

llvmorg-github-actions added backend:X86

RKSimon commented on 2026-08-24

RKSimon requested a review from

phoebewang 22 days ago

Fix to use ExtractVectorElt

d461cf16

RKSimon requested a review from

RKSimon 22 days ago

phoebewang commented on 2026-08-24

Move to pre-existing sse2 block

ce850c3b

phoebewang commented on 2026-08-24

Use shl when load goes through GPR anyway

ad9bfb5e

Replace bitcast peek through with dedicated combine

7bc802eb

RKSimon commented on 2026-08-25

Remove useless else branch

1cffa451

RKSimon commented on 2026-08-25

Cleanup if and getShiftAmounntConstant

9141673b

Merge remote-tracking branch 'origin/main' into bf16_conv

64268bfa

Fix formatting

c8834465

RKSimon requested a review from

phoebewang 21 days ago

RKSimon requested a review from

RKSimon 21 days ago

phoebewang commented on 2026-08-25

phoebewang approved these changes on 2026-08-25

Check cheaper condition first

81bf8ce5

RKSimon approved these changes on 2026-08-26

Move code to more appropriate location

60028804

Merge branch 'main' into bf16_conv

0decfd13

RKSimon enabled auto-merge (squash) 19 days ago

RKSimon merged af31bd52 into main 19 days ago

tfzee deleted the bf16_conv branch 19 days ago

Reviewers

phoebewang

RKSimon

Assignees

No one assigned

Labels

backend:X86

Milestone

No milestone

llvm-project [X86] Lower bf16->f32/f64 fpext without a GPR round-trip #218359 Merged

[X86] Lower bf16->f32/f64 fpext without a GPR round-trip #218359

llvm-project
[X86] Lower bf16->f32/f64 fpext without a GPR round-trip
#218359

Merged