Bug 248549

Summary:	[WebAssembly SIMD] Support integer and floating-point arithmetic on Intel
Product:	WebKit	Reporter:	David Degazio <d_degazio>
Component:	WebAssembly	Assignee:	David Degazio <d_degazio>
Status:	RESOLVED FIXED
Severity:	Normal	CC:	mark.lam, webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified
Bug Depends on:
Bug Blocks:	246345

Description David Degazio 2022-11-30 13:04:29 PST

Adds support for basic SIMD integer arithmetic and floating-point arithmetic instructions on Intel.

Comment 1 David Degazio 2022-11-30 13:33:13 PST

Pull request: https://github.com/WebKit/WebKit/pull/6984

Comment 2 David Degazio 2022-12-01 16:49:07 PST

For reference, this means adding support for the following instructions:

 - i8x16.add, i16x8.add, i32x4.add, i64x2.add
 - i8x16.sub, i16x8.sub, i32x4.sub, f64x2.sub
 - i16x8.mul, i32x4.mul, i64x2.mul
 - i32x4.dot_i16x8_s
 - i8x16.neg, i16x8.neg, i32x4.neg, i64x2.neg
 - f32x4.add, f64x2.add
 - f32x4.sub, f64x2.sub
 - f32x4.mul, f64x2.mul
 - f32x4.div, f64x2.div
 - f32x4.sqrt, f64x2.sqrt
 - f32x4.ceil, f64x2.ceil
 - f32x4.floor, f64x2.floor
 - f32x4.trunc, f64x2.trunc
 - f32x4.nearest, f64x2.nearest

Comment 3 Mark Lam 2022-12-07 10:56:45 PST

<rdar://problem/103081491>

Comment 4 EWS 2022-12-07 15:02:35 PST

Committed 257511@main (155740a50205): <https://commits.webkit.org/257511@main>

Reviewed commits have been landed. Closing PR #6984 and removing active labels.