Merge pull request #4231 from LemonBoy/more-builtin-work1

More patches for compiler-rt

1 files changed, 0 insertions, 127 deletions

diff --git a/lib/std/special/compiler_rt/comparedf2.zig b/lib/std/special/compiler_rt/comparedf2.zig
deleted file mode 100644
index 98cca106f7..0000000000
--- a/lib/std/special/compiler_rt/comparedf2.zig
+++ /dev/null
@@ -1,127 +0,0 @@
-// Ported from:
-//
-// https://github.com/llvm/llvm-project/commit/d674d96bc56c0f377879d01c9d8dfdaaa7859cdb/compiler-rt/lib/builtins/comparedf2.c
-
-const std = @import("std");
-const builtin = @import("builtin");
-const is_test = builtin.is_test;
-
-const fp_t = f64;
-const rep_t = u64;
-const srep_t = i64;
-
-const typeWidth = rep_t.bit_count;
-const significandBits = std.math.floatMantissaBits(fp_t);
-const exponentBits = std.math.floatExponentBits(fp_t);
-const signBit = (@as(rep_t, 1) << (significandBits + exponentBits));
-const absMask = signBit - 1;
-const implicitBit = @as(rep_t, 1) << significandBits;
-const significandMask = implicitBit - 1;
-const exponentMask = absMask ^ significandMask;
-const infRep = @bitCast(rep_t, std.math.inf(fp_t));
-
-// TODO https://github.com/ziglang/zig/issues/641
-// and then make the return types of some of these functions the enum instead of c_int
-const LE_LESS = @as(c_int, -1);
-const LE_EQUAL = @as(c_int, 0);
-const LE_GREATER = @as(c_int, 1);
-const LE_UNORDERED = @as(c_int, 1);
-
-pub fn __ledf2(a: fp_t, b: fp_t) callconv(.C) c_int {
-    @setRuntimeSafety(is_test);
-    const aInt: srep_t = @bitCast(srep_t, a);
-    const bInt: srep_t = @bitCast(srep_t, b);
-    const aAbs: rep_t = @bitCast(rep_t, aInt) & absMask;
-    const bAbs: rep_t = @bitCast(rep_t, bInt) & absMask;
-
-    // If either a or b is NaN, they are unordered.
-    if (aAbs > infRep or bAbs > infRep) return LE_UNORDERED;
-
-    // If a and b are both zeros, they are equal.
-    if ((aAbs | bAbs) == 0) return LE_EQUAL;
-
-    // If at least one of a and b is positive, we get the same result comparing
-    // a and b as signed integers as we would with a fp_ting-point compare.
-    if ((aInt & bInt) >= 0) {
-        if (aInt < bInt) {
-            return LE_LESS;
-        } else if (aInt == bInt) {
-            return LE_EQUAL;
-        } else return LE_GREATER;
-    }
-
-    // Otherwise, both are negative, so we need to flip the sense of the
-    // comparison to get the correct result.  (This assumes a twos- or ones-
-    // complement integer representation; if integers are represented in a
-    // sign-magnitude representation, then this flip is incorrect).
-    else {
-        if (aInt > bInt) {
-            return LE_LESS;
-        } else if (aInt == bInt) {
-            return LE_EQUAL;
-        } else return LE_GREATER;
-    }
-}
-
-// TODO https://github.com/ziglang/zig/issues/641
-// and then make the return types of some of these functions the enum instead of c_int
-const GE_LESS = @as(c_int, -1);
-const GE_EQUAL = @as(c_int, 0);
-const GE_GREATER = @as(c_int, 1);
-const GE_UNORDERED = @as(c_int, -1); // Note: different from LE_UNORDERED
-
-pub fn __gedf2(a: fp_t, b: fp_t) callconv(.C) c_int {
-    @setRuntimeSafety(is_test);
-    const aInt: srep_t = @bitCast(srep_t, a);
-    const bInt: srep_t = @bitCast(srep_t, b);
-    const aAbs: rep_t = @bitCast(rep_t, aInt) & absMask;
-    const bAbs: rep_t = @bitCast(rep_t, bInt) & absMask;
-
-    if (aAbs > infRep or bAbs > infRep) return GE_UNORDERED;
-    if ((aAbs | bAbs) == 0) return GE_EQUAL;
-    if ((aInt & bInt) >= 0) {
-        if (aInt < bInt) {
-            return GE_LESS;
-        } else if (aInt == bInt) {
-            return GE_EQUAL;
-        } else return GE_GREATER;
-    } else {
-        if (aInt > bInt) {
-            return GE_LESS;
-        } else if (aInt == bInt) {
-            return GE_EQUAL;
-        } else return GE_GREATER;
-    }
-}
-
-pub fn __unorddf2(a: fp_t, b: fp_t) callconv(.C) c_int {
-    @setRuntimeSafety(is_test);
-    const aAbs: rep_t = @bitCast(rep_t, a) & absMask;
-    const bAbs: rep_t = @bitCast(rep_t, b) & absMask;
-    return @boolToInt(aAbs > infRep or bAbs > infRep);
-}
-
-pub fn __eqdf2(a: fp_t, b: fp_t) callconv(.C) c_int {
-    return __ledf2(a, b);
-}
-
-pub fn __ltdf2(a: fp_t, b: fp_t) callconv(.C) c_int {
-    return __ledf2(a, b);
-}
-
-pub fn __nedf2(a: fp_t, b: fp_t) callconv(.C) c_int {
-    return __ledf2(a, b);
-}
-
-pub fn __gtdf2(a: fp_t, b: fp_t) callconv(.C) c_int {
-    return __gedf2(a, b);
-}
-
-pub fn __aeabi_dcmpun(a: fp_t, b: fp_t) callconv(.AAPCS) c_int {
-    @setRuntimeSafety(false);
-    return @call(.{ .modifier = .always_inline }, __unorddf2, .{ a, b });
-}
-
-test "import comparedf2" {
-    _ = @import("comparedf2_test.zig");
-}