bjoernager/rust
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remove platform-intrinsics ABI; make SIMD intrinsics be regular intrinsics

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This commit is contained in:
Ralf Jung 2024-02-23 18:26:39 +01:00
parent e9f9594913
commit cc3df0af7b
25 changed files with 179 additions and 170 deletions
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15
compiler/rustc_ty_utils/src/abi.rs
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@ -312,7 +312,7 @@ fn fn_sig_for_fn_abi<'tcx>(
fn conv_from_spec_abi(tcx: TyCtxt<'_>, abi: SpecAbi, c_variadic: bool) -> Conv {
use rustc_target::spec::abi::Abi::*;
match tcx.sess.target.adjust_abi(abi, c_variadic) {
RustIntrinsic | PlatformIntrinsic | Rust | RustCall => Conv::Rust,
RustIntrinsic | Rust | RustCall => Conv::Rust,
// This is intentionally not using `Conv::Cold`, as that has to preserve
// even SIMD registers, which is generally not a good trade-off.
@ -605,7 +605,7 @@ fn fn_abi_new_uncached<'tcx>(
let linux_powerpc_gnu_like =
target.os == "linux" && target.arch == "powerpc" && target_env_gnu_like;
use SpecAbi::*;
let rust_abi = matches!(sig.abi, RustIntrinsic | PlatformIntrinsic | Rust | RustCall);
let rust_abi = matches!(sig.abi, RustIntrinsic | Rust | RustCall);
let is_drop_in_place =
fn_def_id.is_some() && fn_def_id == cx.tcx.lang_items().drop_in_place_fn();
@ -713,11 +713,7 @@ fn fn_abi_adjust_for_abi<'tcx>(
return Ok(());
}
if abi == SpecAbi::Rust
|| abi == SpecAbi::RustCall
|| abi == SpecAbi::RustIntrinsic
|| abi == SpecAbi::PlatformIntrinsic
{
if abi == SpecAbi::Rust || abi == SpecAbi::RustCall || abi == SpecAbi::RustIntrinsic {
// Look up the deduced parameter attributes for this function, if we have its def ID and
// we're optimizing in non-incremental mode. We'll tag its parameters with those attributes
// as appropriate.
@ -753,12 +749,11 @@ fn fn_abi_adjust_for_abi<'tcx>(
// target feature sets. Some more information about this
// issue can be found in #44367.
//
// Note that the platform intrinsic ABI is exempt here as
// Note that the intrinsic ABI is exempt here as
// that's how we connect up to LLVM and it's unstable
// anyway, we control all calls to it in libstd.
Abi::Vector { .. }
if abi != SpecAbi::PlatformIntrinsic
&& cx.tcx.sess.target.simd_types_indirect =>
if abi != SpecAbi::RustIntrinsic && cx.tcx.sess.target.simd_types_indirect =>
{
arg.make_indirect();
return;