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compiler: add simd_ctpop intrinsic #125266

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Merged
bors merged 4 commits into from
May 21, 2024
Merged

compiler: add simd_ctpop intrinsic #125266

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1914c72
compiler: add simd_ctpop intrinsic
workingjubilee May 19, 2024
1185a64
miri: support simd_ctpop
workingjubilee May 20, 2024
9557b90
cg_clif: support simd_ctpop
workingjubilee May 20, 2024
213351a
clarify the second arg to llvm.ctlz and cttz
workingjubilee May 20, 2024
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cg_clif: support simd_ctpop
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@workingjubilee
workingjubilee committed May 20, 2024
commit 9557b903b8dec3873bf93f68b65248e3e4374cfd
2 changes: 2 additions & 0 deletions compiler/rustc_codegen_cranelift/src/intrinsics/simd.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -348,6 +348,7 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
| sym::simd_bswap
| sym::simd_bitreverse
| sym::simd_ctlz
| sym::simd_ctpop
| sym::simd_cttz => {
intrinsic_args!(fx, args => (a); intrinsic);

Expand All @@ -367,6 +368,7 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
(ty::Uint(_) | ty::Int(_), sym::simd_bswap) => fx.bcx.ins().bswap(lane),
(ty::Uint(_) | ty::Int(_), sym::simd_bitreverse) => fx.bcx.ins().bitrev(lane),
(ty::Uint(_) | ty::Int(_), sym::simd_ctlz) => fx.bcx.ins().clz(lane),
(ty::Uint(_) | ty::Int(_), sym::simd_ctpop) => fx.bcx.ins().popcnt(lane),
(ty::Uint(_) | ty::Int(_), sym::simd_cttz) => fx.bcx.ins().ctz(lane),

_ => unreachable!(),
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