llvm-project
[AArch64][GlobalISel] Use GPR for illegal fconstants and extend < 32 bit GPR constants to 32 bits
#178692

Merged

[AArch64][GlobalISel] Use GPR for illegal fconstants and extend < 32 bit GPR constants to 32 bits #178692

HolyMolyCowMan merged 21 commits into llvm:main from HolyMolyCowMan:extend-small-consts

HolyMolyCowMan requested a review from

aemerson 36 days ago

HolyMolyCowMan requested a review from

arsenm 36 days ago

HolyMolyCowMan requested a review from

c-rhodes 36 days ago

HolyMolyCowMan requested a review from

davemgreen 36 days ago

llvmbot added backend:AArch64

llvmbot added llvm:globalisel

HolyMolyCowMan force pushed from d19ceafe to 0b5ad3ad 36 days ago

arsenm commented on 2026-01-29

arsenm commented on 2026-01-30

c-rhodes commented on 2026-02-02

HolyMolyCowMan force pushed from 65d9d581 to b73902fd 32 days ago

c-rhodes commented on 2026-02-02

c-rhodes commented on 2026-02-03

aemerson commented on 2026-02-05

HolyMolyCowMan force pushed from b7b892f7 to 77a345c2 29 days ago

davemgreen commented on 2026-02-16

davemgreen commented on 2026-02-23

davemgreen commented on 2026-02-25

davemgreen commented on 2026-02-26

davemgreen approved these changes on 2026-02-27

[AArch64][GlobalISel] Use GPR for illegal fconstants and extend < 32 …

7880ebd9

Create 32 bit g_constants only & add GISel equivalents for bitcast_fp…

6f99d33c

Add handling for pointers

aa23009a

Convert pointers to scalars of the correct size

bc4fde49

Respond to review comments

0634c651

Remove isFP check

dc9d3c2c

Address review comments

db9e1e5f

Update tests post rebase

c96d6a61

Use shouldOptimizeForSize & remove auto

e95113e3

Check if fpimm would be legal as an advSIMD mov & make use of value p…

bac3dc22

Re-add assert

c472bb15

Address review

516dbaed

Remove tablegen equivalence causing conflicting selection. Modify log…

eadf4bf4

Make use of some of the movi variants

4b906fc8

Lint

8719da95

Update comment and revert changes to test

15807609

Update comment

23e940e7

Add NaN test

859e7f9d

Remove FIXME comment

3dc05b1a

Move test

a206f1e5

HolyMolyCowMan force pushed from f95f2955 to a206f1e5 7 days ago

Merge branch 'main' into extend-small-consts

7b8c3f16

HolyMolyCowMan merged 61faf7d3 into main 5 days ago

HolyMolyCowMan deleted the extend-small-consts branch 5 days ago

mikaelholmen commented on 2026-03-02

Reviewers

davemgreen

mikaelholmen

arsenm

aemerson

c-rhodes

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backend:AArch64 llvm:globalisel

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llvm-project [AArch64][GlobalISel] Use GPR for illegal fconstants and extend < 32 bit GPR constants to 32 bits #178692 Merged

[AArch64][GlobalISel] Use GPR for illegal fconstants and extend < 32 bit GPR constants to 32 bits #178692

llvm-project
[AArch64][GlobalISel] Use GPR for illegal fconstants and extend < 32 bit GPR constants to 32 bits
#178692

Merged