Auto merge of rust-lang#131581 - tgross35:rollup-vul4kol, r=tgross35

Rollup of 7 pull requests

Successful merges:

 - rust-lang#124874 (intrinsics fmuladdf{32,64}: expose llvm.fmuladd.* semantics)
 - rust-lang#130962 (Migrate lib's `&Option<T>` into `Option<&T>`)
 - rust-lang#131289 (stabilize duration_consts_float)
 - rust-lang#131310 (Support clobber_abi in MSP430 inline assembly)
 - rust-lang#131546 (Make unused_parens's suggestion considering expr's attributes.)
 - rust-lang#131565 (Remove deprecation note in the `non_local_definitions` lint)
 - rust-lang#131576 (Flatten redundant test module `run_make_support::diff::tests::tests`)

r? `@ghost`
`@rustbot` modify labels: rollup

Author: bors

compiler/rustc_codegen_cranelift/src/intrinsics/mod.rs

@@ -328,6 +328,9 @@ fn codegen_float_intrinsic_call<'tcx>(
         sym::fabsf64 => ("fabs", 1, fx.tcx.types.f64, types::F64),
         sym::fmaf32 => ("fmaf", 3, fx.tcx.types.f32, types::F32),
         sym::fmaf64 => ("fma", 3, fx.tcx.types.f64, types::F64),
+        // FIXME: calling `fma` from libc without FMA target feature uses expensive sofware emulation
+        sym::fmuladdf32 => ("fmaf", 3, fx.tcx.types.f32, types::F32), // TODO: use cranelift intrinsic analogous to llvm.fmuladd.f32
+        sym::fmuladdf64 => ("fma", 3, fx.tcx.types.f64, types::F64), // TODO: use cranelift intrinsic analogous to llvm.fmuladd.f64
         sym::copysignf32 => ("copysignf", 2, fx.tcx.types.f32, types::F32),
         sym::copysignf64 => ("copysign", 2, fx.tcx.types.f64, types::F64),
         sym::floorf32 => ("floorf", 1, fx.tcx.types.f32, types::F32),
@@ -381,7 +384,7 @@ fn codegen_float_intrinsic_call<'tcx>(
 
     let layout = fx.layout_of(ty);
     let res = match intrinsic {
-        sym::fmaf32 | sym::fmaf64 => {
+        sym::fmaf32 | sym::fmaf64 | sym::fmuladdf32 | sym::fmuladdf64 => {
             CValue::by_val(fx.bcx.ins().fma(args[0], args[1], args[2]), layout)
         }
         sym::copysignf32 | sym::copysignf64 => {

compiler/rustc_codegen_gcc/src/intrinsic/mod.rs

@@ -66,6 +66,9 @@ fn get_simple_intrinsic<'gcc, 'tcx>(
         sym::log2f64 => "log2",
         sym::fmaf32 => "fmaf",
         sym::fmaf64 => "fma",
+        // FIXME: calling `fma` from libc without FMA target feature uses expensive sofware emulation
+        sym::fmuladdf32 => "fmaf", // TODO: use gcc intrinsic analogous to llvm.fmuladd.f32
+        sym::fmuladdf64 => "fma",  // TODO: use gcc intrinsic analogous to llvm.fmuladd.f64
         sym::fabsf32 => "fabsf",
         sym::fabsf64 => "fabs",
         sym::minnumf32 => "fminf",

compiler/rustc_codegen_llvm/src/context.rs

@@ -884,6 +884,11 @@ impl<'ll> CodegenCx<'ll, '_> {
         ifn!("llvm.fma.f64", fn(t_f64, t_f64, t_f64) -> t_f64);
         ifn!("llvm.fma.f128", fn(t_f128, t_f128, t_f128) -> t_f128);
 
+        ifn!("llvm.fmuladd.f16", fn(t_f16, t_f16, t_f16) -> t_f16);
+        ifn!("llvm.fmuladd.f32", fn(t_f32, t_f32, t_f32) -> t_f32);
+        ifn!("llvm.fmuladd.f64", fn(t_f64, t_f64, t_f64) -> t_f64);
+        ifn!("llvm.fmuladd.f128", fn(t_f128, t_f128, t_f128) -> t_f128);
+
         ifn!("llvm.fabs.f16", fn(t_f16) -> t_f16);
         ifn!("llvm.fabs.f32", fn(t_f32) -> t_f32);
         ifn!("llvm.fabs.f64", fn(t_f64) -> t_f64);

compiler/rustc_codegen_llvm/src/intrinsic.rs

@@ -86,6 +86,11 @@ fn get_simple_intrinsic<'ll>(
         sym::fmaf64 => "llvm.fma.f64",
         sym::fmaf128 => "llvm.fma.f128",
 
+        sym::fmuladdf16 => "llvm.fmuladd.f16",
+        sym::fmuladdf32 => "llvm.fmuladd.f32",
+        sym::fmuladdf64 => "llvm.fmuladd.f64",
+        sym::fmuladdf128 => "llvm.fmuladd.f128",
+
         sym::fabsf16 => "llvm.fabs.f16",
         sym::fabsf32 => "llvm.fabs.f32",
         sym::fabsf64 => "llvm.fabs.f64",

compiler/rustc_hir_analysis/src/check/intrinsic.rs

@@ -357,6 +357,19 @@ pub fn check_intrinsic_type(
                 (0, 0, vec![tcx.types.f128, tcx.types.f128, tcx.types.f128], tcx.types.f128)
             }
 
+            sym::fmuladdf16 => {
+                (0, 0, vec![tcx.types.f16, tcx.types.f16, tcx.types.f16], tcx.types.f16)
+            }
+            sym::fmuladdf32 => {
+                (0, 0, vec![tcx.types.f32, tcx.types.f32, tcx.types.f32], tcx.types.f32)
+            }
+            sym::fmuladdf64 => {
+                (0, 0, vec![tcx.types.f64, tcx.types.f64, tcx.types.f64], tcx.types.f64)
+            }
+            sym::fmuladdf128 => {
+                (0, 0, vec![tcx.types.f128, tcx.types.f128, tcx.types.f128], tcx.types.f128)
+            }
+
             sym::fabsf16 => (0, 0, vec![tcx.types.f16], tcx.types.f16),
             sym::fabsf32 => (0, 0, vec![tcx.types.f32], tcx.types.f32),
             sym::fabsf64 => (0, 0, vec![tcx.types.f64], tcx.types.f64),

compiler/rustc_lint/messages.ftl

@@ -581,8 +581,6 @@ lint_non_glob_import_type_ir_inherent = non-glob import of `rustc_type_ir::inher
 
 lint_non_local_definitions_cargo_update = the {$macro_kind} `{$macro_name}` may come from an old version of the `{$crate_name}` crate, try updating your dependency with `cargo update -p {$crate_name}`
 
-lint_non_local_definitions_deprecation = this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
-
 lint_non_local_definitions_impl = non-local `impl` definition, `impl` blocks should be written at the same level as their item
     .non_local = an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
     .doctest = make this doc-test a standalone test with its own `fn main() {"{"} ... {"}"}`

compiler/rustc_lint/src/lints.rs

@@ -1430,8 +1430,6 @@ impl<'a> LintDiagnostic<'a, ()> for NonLocalDefinitionsDiag {
                         );
                     }
                 }
-
-                diag.note(fluent::lint_non_local_definitions_deprecation);
             }
             NonLocalDefinitionsDiag::MacroRules {
                 depth,
@@ -1452,7 +1450,6 @@ impl<'a> LintDiagnostic<'a, ()> for NonLocalDefinitionsDiag {
                 }
 
                 diag.note(fluent::lint_non_local);
-                diag.note(fluent::lint_non_local_definitions_deprecation);
 
                 if let Some(cargo_update) = cargo_update {
                     diag.subdiagnostic(cargo_update);

compiler/rustc_lint/src/unused.rs

@@ -804,7 +804,15 @@ trait UnusedDelimLint {
                 .find_ancestor_inside(value.span)
                 .map(|span| (value.span.with_hi(span.lo()), value.span.with_lo(span.hi()))),
             ast::ExprKind::Paren(ref expr) => {
-                expr.span.find_ancestor_inside(value.span).map(|expr_span| {
+                // For the expr with attributes, like `let _ = (#[inline] || println!("Hello!"));`,
+                // the span should contains the attributes, or the suggestion will remove them.
+                let expr_span_with_attrs =
+                    if let Some(attr_lo) = expr.attrs.iter().map(|attr| attr.span.lo()).min() {
+                        expr.span.with_lo(attr_lo)
+                    } else {
+                        expr.span
+                    };
+                expr_span_with_attrs.find_ancestor_inside(value.span).map(|expr_span| {
                     (value.span.with_hi(expr_span.lo()), value.span.with_lo(expr_span.hi()))
                 })
             }

compiler/rustc_span/src/symbol.rs

@@ -914,6 +914,10 @@ symbols! {
         fmt_debug,
         fmul_algebraic,
         fmul_fast,
+        fmuladdf128,
+        fmuladdf16,
+        fmuladdf32,
+        fmuladdf64,
         fn_align,
         fn_delegation,
         fn_must_use,

compiler/rustc_target/src/asm/mod.rs

@@ -893,6 +893,7 @@ pub enum InlineAsmClobberAbi {
     RiscV,
     LoongArch,
     S390x,
+    Msp430,
 }
 
 impl InlineAsmClobberAbi {
@@ -946,6 +947,10 @@ impl InlineAsmClobberAbi {
                 "C" | "system" => Ok(InlineAsmClobberAbi::S390x),
                 _ => Err(&["C", "system"]),
             },
+            InlineAsmArch::Msp430 => match name {
+                "C" | "system" => Ok(InlineAsmClobberAbi::Msp430),
+                _ => Err(&["C", "system"]),
+            },
             _ => Err(&[]),
         }
     }
@@ -1125,6 +1130,11 @@ impl InlineAsmClobberAbi {
                     a8, a9, a10, a11, a12, a13, a14, a15,
                 }
             },
+            InlineAsmClobberAbi::Msp430 => clobbered_regs! {
+                Msp430 Msp430InlineAsmReg {
+                    r11, r12, r13, r14, r15,
+                }
+            },
         }
     }
 }