syntax: use distinct FloatTy from rustc_target.

We also sever syntax's dependency on rustc_target as a result.
This should slightly improve pipe-lining.

Moreover, some cleanup is done in related code.

1 files changed, 7 insertions, 3 deletions

diff --git a/src/librustc/ich/impls_syntax.rs b/src/librustc/ich/impls_syntax.rs
index aa147462e3d..2201c4b0980 100644
--- a/src/librustc/ich/impls_syntax.rs
+++ b/src/librustc/ich/impls_syntax.rs
@@ -124,7 +124,6 @@ for ::syntax::attr::StabilityLevel {
 
 impl_stable_hash_for!(struct ::syntax::attr::RustcDeprecation { since, reason, suggestion });
 
-
 impl_stable_hash_for!(enum ::syntax::attr::IntType {
     SignedInt(int_ty),
     UnsignedInt(uint_ty)
@@ -136,6 +135,11 @@ impl_stable_hash_for!(enum ::syntax::ast::LitIntType {
     Unsuffixed
 });
 
+impl_stable_hash_for!(enum ::syntax::ast::LitFloatType {
+    Suffixed(float_ty),
+    Unsuffixed
+});
+
 impl_stable_hash_for!(struct ::syntax::ast::Lit {
     kind,
     token,
@@ -148,8 +152,7 @@ impl_stable_hash_for!(enum ::syntax::ast::LitKind {
     Byte(value),
     Char(value),
     Int(value, lit_int_type),
-    Float(value, float_ty),
-    FloatUnsuffixed(value),
+    Float(value, lit_float_type),
     Bool(value),
     Err(value)
 });
@@ -159,6 +162,7 @@ impl_stable_hash_for_spanned!(::syntax::ast::LitKind);
 impl_stable_hash_for!(enum ::syntax::ast::IntTy { Isize, I8, I16, I32, I64, I128 });
 impl_stable_hash_for!(enum ::syntax::ast::UintTy { Usize, U8, U16, U32, U64, U128 });
 impl_stable_hash_for!(enum ::syntax::ast::FloatTy { F32, F64 });
+impl_stable_hash_for!(enum ::rustc_target::abi::FloatTy { F32, F64 });
 impl_stable_hash_for!(enum ::syntax::ast::Unsafety { Unsafe, Normal });
 impl_stable_hash_for!(enum ::syntax::ast::Constness { Const, NotConst });
 impl_stable_hash_for!(enum ::syntax::ast::Defaultness { Default, Final });