X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=src%2Flibrustc_typeck%2Fcheck%2Fintrinsic.rs;h=0b800fe8247c70b9f345ff240c1477060766a307;hb=fff08cb04389497d254fb40948674cbbee402908;hp=40c60caffa42d8eb7dd81d67af010c49b924e428;hpb=5abd9c7d15d5e3a82a4bfc978ea7618bba1b9e12;p=rust.git

diff --git a/src/librustc_typeck/check/intrinsic.rs b/src/librustc_typeck/check/intrinsic.rs
index 40c60caffa4..0b800fe8247 100644
--- a/src/librustc_typeck/check/intrinsic.rs
+++ b/src/librustc_typeck/check/intrinsic.rs
@@ -7,14 +7,14 @@
 use crate::require_same_types;
 
 use rustc_target::spec::abi::Abi;
-use syntax::symbol::Symbol;
+use syntax::symbol::InternedString;
 
 use rustc::hir;
 
 use std::iter;
 
-fn equate_intrinsic_type<'a, 'tcx>(
-    tcx: TyCtxt<'a, 'tcx, 'tcx>,
+fn equate_intrinsic_type<'tcx>(
+    tcx: TyCtxt<'tcx, 'tcx>,
     it: &hir::ForeignItem,
     n_tps: usize,
     abi: Abi,
@@ -70,7 +70,8 @@ pub fn intrisic_operation_unsafety(intrinsic: &str) -> hir::Unsafety {
         "overflowing_add" | "overflowing_sub" | "overflowing_mul" |
         "saturating_add" | "saturating_sub" |
         "rotate_left" | "rotate_right" |
-        "ctpop" | "ctlz" | "cttz" | "bswap" | "bitreverse"
+        "ctpop" | "ctlz" | "cttz" | "bswap" | "bitreverse" |
+        "minnumf32" | "minnumf64" | "maxnumf32" | "maxnumf64"
         => hir::Unsafety::Normal,
         _ => hir::Unsafety::Unsafe,
     }
@@ -78,9 +79,8 @@ pub fn intrisic_operation_unsafety(intrinsic: &str) -> hir::Unsafety {
 
 /// Remember to add all intrinsics here, in librustc_codegen_llvm/intrinsic.rs,
 /// and in libcore/intrinsics.rs
-pub fn check_intrinsic_type<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>,
-                                      it: &hir::ForeignItem) {
-    let param = |n| tcx.mk_ty_param(n, Symbol::intern(&format!("P{}", n)).as_interned_str());
+pub fn check_intrinsic_type<'tcx>(tcx: TyCtxt<'tcx, 'tcx>, it: &hir::ForeignItem) {
+    let param = |n| tcx.mk_ty_param(n, InternedString::intern(&format!("P{}", n)));
     let name = it.ident.as_str();
 
     let mk_va_list_ty = || {
@@ -272,6 +272,10 @@ pub fn check_intrinsic_type<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>,
             }
             "fabsf32"      => (0, vec![ tcx.types.f32 ], tcx.types.f32),
             "fabsf64"      => (0, vec![ tcx.types.f64 ], tcx.types.f64),
+            "minnumf32"    => (0, vec![ tcx.types.f32, tcx.types.f32 ], tcx.types.f32),
+            "minnumf64"    => (0, vec![ tcx.types.f64, tcx.types.f64 ], tcx.types.f64),
+            "maxnumf32"    => (0, vec![ tcx.types.f32, tcx.types.f32 ], tcx.types.f32),
+            "maxnumf64"    => (0, vec![ tcx.types.f64, tcx.types.f64 ], tcx.types.f64),
             "copysignf32"  => (0, vec![ tcx.types.f32, tcx.types.f32 ], tcx.types.f32),
             "copysignf64"  => (0, vec![ tcx.types.f64, tcx.types.f64 ], tcx.types.f64),
             "floorf32"     => (0, vec![ tcx.types.f32 ], tcx.types.f32),
@@ -305,7 +309,8 @@ pub fn check_intrinsic_type<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>,
             "unchecked_shl" | "unchecked_shr" |
             "rotate_left" | "rotate_right" =>
                 (1, vec![param(0), param(0)], param(0)),
-
+            "unchecked_add" | "unchecked_sub" | "unchecked_mul" =>
+                (1, vec![param(0), param(0)], param(0)),
             "overflowing_add" | "overflowing_sub" | "overflowing_mul" =>
                 (1, vec![param(0), param(0)], param(0)),
             "saturating_add" | "saturating_sub" =>
@@ -394,10 +399,9 @@ pub fn check_intrinsic_type<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>,
 }
 
 /// Type-check `extern "platform-intrinsic" { ... }` functions.
-pub fn check_platform_intrinsic_type<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>,
-                                               it: &hir::ForeignItem) {
+pub fn check_platform_intrinsic_type<'tcx>(tcx: TyCtxt<'tcx, 'tcx>, it: &hir::ForeignItem) {
     let param = |n| {
-        let name = Symbol::intern(&format!("P{}", n)).as_interned_str();
+        let name = InternedString::intern(&format!("P{}", n));
         tcx.mk_ty_param(n, name)
     };