stage2+stage1: remove type parameter from bit builtins

Closes #12529
Closes #12511
Closes #6835

3 files changed, 5 insertions, 5 deletions

diff --git a/lib/std/Thread/Futex.zig b/lib/std/Thread/Futex.zig
index 0d9ccc8969..58f49c483e 100644
--- a/lib/std/Thread/Futex.zig
+++ b/lib/std/Thread/Futex.zig
@@ -703,7 +703,7 @@ const PosixImpl = struct {
             const max_multiplier_bits = @bitSizeOf(usize);
             const fibonacci_multiplier = 0x9E3779B97F4A7C15 >> (64 - max_multiplier_bits);
 
-            const max_bucket_bits = @ctz(usize, buckets.len);
+            const max_bucket_bits = @ctz(buckets.len);
             comptime assert(std.math.isPowerOfTwo(buckets.len));
 
             const index = (address *% fibonacci_multiplier) >> (max_multiplier_bits - max_bucket_bits);
@@ -721,7 +721,7 @@ const PosixImpl = struct {
             // then cut off the zero bits from the alignment to get the unique address.
             const addr = @ptrToInt(ptr);
             assert(addr & (alignment - 1) == 0);
-            return addr >> @ctz(usize, alignment);
+            return addr >> @ctz(alignment);
         }
     };
 
diff --git a/lib/std/Thread/Mutex.zig b/lib/std/Thread/Mutex.zig
index 35d754ad19..973a312665 100644
--- a/lib/std/Thread/Mutex.zig
+++ b/lib/std/Thread/Mutex.zig
@@ -140,7 +140,7 @@ const FutexImpl = struct {
         // - they both seem to mark the cache-line as modified regardless: https://stackoverflow.com/a/63350048
         // - `lock bts` is smaller instruction-wise which makes it better for inlining
         if (comptime builtin.target.cpu.arch.isX86()) {
-            const locked_bit = @ctz(u32, @as(u32, locked));
+            const locked_bit = @ctz(@as(u32, locked));
             return self.state.bitSet(locked_bit, .Acquire) == 0;
         }
 
diff --git a/lib/std/Thread/RwLock.zig b/lib/std/Thread/RwLock.zig
index 201e1cc860..46d46cdfa4 100644
--- a/lib/std/Thread/RwLock.zig
+++ b/lib/std/Thread/RwLock.zig
@@ -168,8 +168,8 @@ pub const DefaultRwLock = struct {
     const IS_WRITING: usize = 1;
     const WRITER: usize = 1 << 1;
     const READER: usize = 1 << (1 + @bitSizeOf(Count));
-    const WRITER_MASK: usize = std.math.maxInt(Count) << @ctz(usize, WRITER);
-    const READER_MASK: usize = std.math.maxInt(Count) << @ctz(usize, READER);
+    const WRITER_MASK: usize = std.math.maxInt(Count) << @ctz(WRITER);
+    const READER_MASK: usize = std.math.maxInt(Count) << @ctz(READER);
     const Count = std.meta.Int(.unsigned, @divFloor(@bitSizeOf(usize) - 1, 2));
 
     pub fn tryLock(rwl: *DefaultRwLock) bool {