[libc][math] Disable FEnvSafeTest.cpp if AArch64 target has no FP support

[vhscampos]

The FEnvSafeTest.cpp test fails on AArch64 soft nofp configurations because LLVM libc does not provide a floating-point environment in these configurations.

This patch adds another preprocessor guard on __ARM_FP to disable the test on those.

[llvmbot]

@llvm/pr-subscribers-libc

Author: Victor Campos (vhscampos)

Changes

The FEnvSafeTest.cpp test fails on AArch64 soft nofp configurations because LLVM libc does not provide a floating-point environment in these configurations.

This patch adds another preprocessor guard on __ARM_FP to disable the test on those.

---

Full diff: https://github.com/llvm/llvm-project/pull/166370.diff

1 Files Affected:

• (modified) libc/test/UnitTest/FEnvSafeTest.cpp (+2-1)

diff --git a/libc/test/UnitTest/FEnvSafeTest.cpp b/libc/test/UnitTest/FEnvSafeTest.cpp
index 4393f9d5e5c3b..64f50d7be7fe3 100644
--- a/libc/test/UnitTest/FEnvSafeTest.cpp
+++ b/libc/test/UnitTest/FEnvSafeTest.cpp
@@ -43,7 +43,8 @@ void FEnvSafeTest::set_fenv(const fenv_t &fenv) {
 
 void FEnvSafeTest::expect_fenv_eq(const fenv_t &before_fenv,
                                   const fenv_t &after_fenv) {
-#if defined(LIBC_TARGET_ARCH_IS_AARCH64) && !defined(LIBC_COMPILER_IS_MSVC)
+#if defined(LIBC_TARGET_ARCH_IS_AARCH64) && !defined(LIBC_COMPILER_IS_MSVC) && \
+    defined(__ARM_FP)
   using FPState = LIBC_NAMESPACE::fputil::FEnv::FPState;
   const FPState &before_state = reinterpret_cast<const FPState &>(before_fenv);
   const FPState &after_state = reinterpret_cast<const FPState &>(after_fenv);

[SchrodingerZhu]

LGTM