1 files changed, 0 insertions, 62 deletions
diff --git a/lib/std/special/compiler_rt/floatuntitf.zig b/lib/std/special/compiler_rt/floatuntitf.zig
deleted file mode 100644
index c35b4dcf74..0000000000
--- a/lib/std/special/compiler_rt/floatuntitf.zig
+++ /dev/null
@@ -1,62 +0,0 @@
-const builtin = @import("builtin");
-const is_test = builtin.is_test;
-const std = @import("std");
-const maxInt = std.math.maxInt;
-
-const LDBL_MANT_DIG = 113;
-
-pub fn __floatuntitf(arg: u128) callconv(.C) f128 {
-    @setRuntimeSafety(is_test);
-
-    if (arg == 0)
-        return 0.0;
-
-    var a = arg;
-    const N: u32 = @sizeOf(u128) * 8;
-    const sd = @bitCast(i32, N - @clz(u128, a)); // number of significant digits
-    var e: i32 = sd - 1; // exponent
-    if (sd > LDBL_MANT_DIG) {
-        //  start:  0000000000000000000001xxxxxxxxxxxxxxxxxxxxxxPQxxxxxxxxxxxxxxxxxx
-        //  finish: 000000000000000000000000000000000000001xxxxxxxxxxxxxxxxxxxxxxPQR
-        //                                                12345678901234567890123456
-        //  1 = msb 1 bit
-        //  P = bit LDBL_MANT_DIG-1 bits to the right of 1
-        //  Q = bit LDBL_MANT_DIG bits to the right of 1
-        //  R = "or" of all bits to the right of Q
-        switch (sd) {
-            LDBL_MANT_DIG + 1 => {
-                a <<= 1;
-            },
-            LDBL_MANT_DIG + 2 => {},
-            else => {
-                const shift_amt = @bitCast(i32, N + (LDBL_MANT_DIG + 2)) - sd;
-                const shift_amt_u7 = @intCast(u7, shift_amt);
-                a = (a >> @intCast(u7, sd - (LDBL_MANT_DIG + 2))) |
-                    @boolToInt((a & (@as(u128, maxInt(u128)) >> shift_amt_u7)) != 0);
-            },
-        }
-        // finish
-        a |= @boolToInt((a & 4) != 0); // Or P into R
-        a += 1; // round - this step may add a significant bit
-        a >>= 2; // dump Q and R
-        // a is now rounded to LDBL_MANT_DIG or LDBL_MANT_DIG+1 bits
-        if ((a & (@as(u128, 1) << LDBL_MANT_DIG)) != 0) {
-            a >>= 1;
-            e += 1;
-        }
-        // a is now rounded to LDBL_MANT_DIG bits
-    } else {
-        a <<= @intCast(u7, LDBL_MANT_DIG - sd);
-        // a is now rounded to LDBL_MANT_DIG bits
-    }
-
-    const high: u128 = (@intCast(u64, (e + 16383)) << 48) | // exponent
-        (@truncate(u64, a >> 64) & 0x0000ffffffffffff); // mantissa-high
-    const low = @truncate(u64, a); // mantissa-low
-
-    return @bitCast(f128, low | (high << 64));
-}
-
-test {
-    _ = @import("floatuntitf_test.zig");
-}