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Rollup merge of #126417 - beetrees:f16-f128-inline-asm-x86, r=Amanieu

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Add `f16` and `f128` inline ASM support for `x86` and `x86-64`

This PR adds `f16` and `f128` input and output support to inline ASM on `x86` and `x86-64`. `f16` vector sizes are taken from [here](https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html).

Relevant issue: #125398
Tracking issue: #116909

``@rustbot`` label +F-f16_and_f128
This commit is contained in:
Matthias Krüger 2024-06-15 14:40:48 +02:00 • committed by GitHub
commit 0f2cc21547
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6 changed files with 350 additions and 42 deletions
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4
compiler/rustc_hir_analysis/src/check/intrinsicck.rs
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@ -62,8 +62,10 @@ impl<'a, 'tcx> InlineAsmCtxt<'a, 'tcx> {
ty::Int(IntTy::I64) | ty::Uint(UintTy::U64) => Some(InlineAsmType::I64),
ty::Int(IntTy::I128) | ty::Uint(UintTy::U128) => Some(InlineAsmType::I128),
ty::Int(IntTy::Isize) | ty::Uint(UintTy::Usize) => Some(asm_ty_isize),
ty::Float(FloatTy::F16) => Some(InlineAsmType::F16),
ty::Float(FloatTy::F32) => Some(InlineAsmType::F32),
ty::Float(FloatTy::F64) => Some(InlineAsmType::F64),
ty::Float(FloatTy::F128) => Some(InlineAsmType::F128),
ty::FnPtr(_) => Some(asm_ty_isize),
ty::RawPtr(ty, _) if self.is_thin_ptr_ty(ty) => Some(asm_ty_isize),
ty::Adt(adt, args) if adt.repr().simd() => {
@ -105,8 +107,10 @@ impl<'a, 'tcx> InlineAsmCtxt<'a, 'tcx> {
width => bug!("unsupported pointer width: {width}"),
})
}
ty::Float(FloatTy::F16) => Some(InlineAsmType::VecF16(size)),
ty::Float(FloatTy::F32) => Some(InlineAsmType::VecF32(size)),
ty::Float(FloatTy::F64) => Some(InlineAsmType::VecF64(size)),
ty::Float(FloatTy::F128) => Some(InlineAsmType::VecF128(size)),
_ => None,
}
}