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compiler-rt: avoid symbol collisions with Windows libc

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closes #11600
This commit is contained in:
Andrew Kelley 2022-05-07 17:41:20 -07:00
parent aa05cd4809
commit 663b67783e
1 changed files with 7 additions and 7 deletions
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14
lib/compiler_rt.zig
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@ -724,24 +724,24 @@ comptime {
@export(_aullrem, .{ .name = "\x01__aullrem", .linkage = strong_linkage });
}
mathExport("ceil", @import("./compiler_rt/ceil.zig"), true);
mathExport("ceil", @import("./compiler_rt/ceil.zig"), false);
mathExport("cos", @import("./compiler_rt/cos.zig"), true);
mathExport("exp", @import("./compiler_rt/exp.zig"), true);
mathExport("exp2", @import("./compiler_rt/exp2.zig"), true);
mathExport("fabs", @import("./compiler_rt/fabs.zig"), true);
mathExport("floor", @import("./compiler_rt/floor.zig"), true);
mathExport("floor", @import("./compiler_rt/floor.zig"), false);
mathExport("fma", @import("./compiler_rt/fma.zig"), true);
mathExport("fmax", @import("./compiler_rt/fmax.zig"), true);
mathExport("fmin", @import("./compiler_rt/fmin.zig"), true);
mathExport("fmod", @import("./compiler_rt/fmod.zig"), true);
mathExport("log", @import("./compiler_rt/log.zig"), true);
mathExport("log10", @import("./compiler_rt/log10.zig"), true);
mathExport("log10", @import("./compiler_rt/log10.zig"), false);
mathExport("log2", @import("./compiler_rt/log2.zig"), true);
mathExport("round", @import("./compiler_rt/round.zig"), true);
mathExport("sin", @import("./compiler_rt/sin.zig"), true);
mathExport("sincos", @import("./compiler_rt/sincos.zig"), true);
mathExport("sqrt", @import("./compiler_rt/sqrt.zig"), true);
mathExport("tan", @import("./compiler_rt/tan.zig"), false);
mathExport("tan", @import("./compiler_rt/tan.zig"), true);
mathExport("trunc", @import("./compiler_rt/trunc.zig"), true);
if (arch.isSPARC()) {
@ -825,7 +825,7 @@ comptime {
}
}
inline fn mathExport(double_name: []const u8, comptime import: type, is_standard: bool) void {
inline fn mathExport(double_name: []const u8, comptime import: type, win_libc_has_it: bool) void {
const half_name = "__" ++ double_name ++ "h";
const half_fn = @field(import, half_name);
const float_name = double_name ++ "f";
@ -855,7 +855,7 @@ inline fn mathExport(double_name: []const u8, comptime import: type, is_standard
// Weak aliases don't work on Windows, so we avoid exporting the `l` alias
// on this platform for functions we know will collide.
if (builtin.os.tag != .windows or !builtin.link_libc or !is_standard) {
if (builtin.os.tag != .windows or !builtin.link_libc or !win_libc_has_it) {
inline for (pairs) |pair| {
const F = pair[0];
const func = pair[1];
@ -865,7 +865,7 @@ inline fn mathExport(double_name: []const u8, comptime import: type, is_standard
}
}
if (is_ppc and is_standard) {
if (is_ppc) {
// LLVM PPC backend lowers f128 ops with the suffix `f128` instead of `l`.
@export(quad_fn, .{ .name = double_name ++ "f128", .linkage = linkage });
}