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compiler: Parse p- specs in datalayout string, allow definition of custom default data address space

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This commit is contained in:
Edoardo Marangoni
2025-06-29 12:11:51 +02:00
committed by Edoardo Marangoni
parent 733b47ea4b
commit 93f1201c06
58 changed files with 416 additions and 170 deletions
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2
compiler/rustc_codegen_gcc/src/common.rs
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@@ -162,7 +162,7 @@ impl<'gcc, 'tcx> ConstCodegenMethods for CodegenCx<'gcc, 'tcx> {
}
fn const_usize(&self, i: u64) -> RValue<'gcc> {
let bit_size = self.data_layout().pointer_size.bits();
let bit_size = self.data_layout().pointer_size().bits();
if bit_size < 64 {
// make sure it doesn't overflow
assert!(i < (1 << bit_size));

4
compiler/rustc_codegen_gcc/src/consts.rs
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@@ -294,7 +294,7 @@ pub(crate) fn const_alloc_to_gcc_uncached<'gcc>(
let alloc = alloc.inner();
let mut llvals = Vec::with_capacity(alloc.provenance().ptrs().len() + 1);
let dl = cx.data_layout();
let pointer_size = dl.pointer_size.bytes() as usize;
let pointer_size = dl.pointer_size().bytes() as usize;
let mut next_offset = 0;
for &(offset, prov) in alloc.provenance().ptrs().iter() {
@@ -331,7 +331,7 @@ pub(crate) fn const_alloc_to_gcc_uncached<'gcc>(
),
abi::Scalar::Initialized {
value: Primitive::Pointer(address_space),
valid_range: WrappingRange::full(dl.pointer_size),
valid_range: WrappingRange::full(dl.pointer_size()),
},
cx.type_i8p_ext(address_space),
));

2
compiler/rustc_codegen_gcc/src/intrinsic/mod.rs
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@@ -541,7 +541,7 @@ impl<'a, 'gcc, 'tcx> IntrinsicCallBuilderMethods<'tcx> for Builder<'a, 'gcc, 'tc
// For rusty ABIs, small aggregates are actually passed
// as `RegKind::Integer` (see `FnAbi::adjust_for_abi`),
// so we re-use that same threshold here.
layout.size() <= self.data_layout().pointer_size * 2
layout.size() <= self.data_layout().pointer_size() * 2
}
};

2
compiler/rustc_codegen_gcc/src/intrinsic/simd.rs
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@@ -1184,7 +1184,7 @@ pub fn generic_simd_intrinsic<'a, 'gcc, 'tcx>(
let lhs = args[0].immediate();
let rhs = args[1].immediate();
let is_add = name == sym::simd_saturating_add;
let ptr_bits = bx.tcx().data_layout.pointer_size.bits() as _;
let ptr_bits = bx.tcx().data_layout.pointer_size().bits() as _;
let (signed, elem_width, elem_ty) = match *in_elem.kind() {
ty::Int(i) => (true, i.bit_width().unwrap_or(ptr_bits) / 8, bx.cx.type_int_from_ty(i)),
ty::Uint(i) => {