From 26119bd98d2f867eb06eeea9431883931d806dd5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alex=20R=C3=B8nne=20Petersen?= <alex@alexrp.com>
Date: Wed, 28 Aug 2024 21:04:45 +0200
Subject: [PATCH] test: Skip some floating point tests that fail on
 `arm-linux-(gnu,musl)eabi`.

https://github.com/ziglang/zig/issues/21234
---
 lib/std/math/gamma.zig    | 3 +++
 test/behavior/floatop.zig | 2 ++
 test/behavior/math.zig    | 1 +
 3 files changed, 6 insertions(+)

diff --git a/lib/std/math/gamma.zig b/lib/std/math/gamma.zig
index ce37db4962..5ac041e195 100644
--- a/lib/std/math/gamma.zig
+++ b/lib/std/math/gamma.zig
@@ -3,6 +3,7 @@
 //
 // https://git.musl-libc.org/cgit/musl/tree/src/math/tgamma.c
 
+const builtin = @import("builtin");
 const std = @import("../std.zig");
 
 /// Returns the gamma function of x,
@@ -262,6 +263,8 @@ test gamma {
 }
 
 test "gamma.special" {
+    if (builtin.cpu.arch.isArmOrThumb() and builtin.target.floatAbi() == .soft) return error.SkipZigTest; // https://github.com/ziglang/zig/issues/21234
+
     inline for (&.{ f32, f64 }) |T| {
         try expect(std.math.isNan(gamma(T, -std.math.nan(T))));
         try expect(std.math.isNan(gamma(T, std.math.nan(T))));
diff --git a/test/behavior/floatop.zig b/test/behavior/floatop.zig
index f9f2579b0a..d799c91331 100644
--- a/test/behavior/floatop.zig
+++ b/test/behavior/floatop.zig
@@ -126,6 +126,7 @@ test "cmp f16" {
     if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_x86_64 and builtin.target.ofmt != .elf and builtin.target.ofmt != .macho) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_riscv64) return error.SkipZigTest;
+    if (builtin.cpu.arch.isArmOrThumb() and builtin.target.floatAbi() == .soft) return error.SkipZigTest; // https://github.com/ziglang/zig/issues/21234
 
     try testCmp(f16);
     try comptime testCmp(f16);
@@ -134,6 +135,7 @@ test "cmp f16" {
 test "cmp f32/f64" {
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_x86_64 and builtin.target.ofmt != .elf and builtin.target.ofmt != .macho) return error.SkipZigTest;
+    if (builtin.cpu.arch.isArmOrThumb() and builtin.target.floatAbi() == .soft) return error.SkipZigTest; // https://github.com/ziglang/zig/issues/21234
 
     try testCmp(f32);
     try comptime testCmp(f32);
diff --git a/test/behavior/math.zig b/test/behavior/math.zig
index 7837ffb74b..c658ea3081 100644
--- a/test/behavior/math.zig
+++ b/test/behavior/math.zig
@@ -1597,6 +1597,7 @@ test "NaN comparison" {
     if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_x86_64 and builtin.target.ofmt != .elf and builtin.target.ofmt != .macho) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_riscv64) return error.SkipZigTest;
+    if (builtin.cpu.arch.isArmOrThumb() and builtin.target.floatAbi() == .soft) return error.SkipZigTest; // https://github.com/ziglang/zig/issues/21234
 
     try testNanEqNan(f16);
     try testNanEqNan(f32);