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libstdc++: testsuite: require cmath for exp simd

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simd_math.h assumes declarations for many C99 functions to be present,
that libstdc++ doesn't add to target systems that don't have them in
the C library.

Add the C99 math requirement to tests for simd features, so that they
don't fail because of limitations of the target C library.


for  libstdc++-v3/ChangeLog

	* testsuite/experimental/simd/standard_abi_usable.cc: Require
	cmath support.
	* testsuite/experimental/simd/standard_abi_usable_2.cc:
	Likewise.
This commit is contained in:
Alexandre Oliva 2022-06-27 10:34:19 -03:00 • committed by Alexandre Oliva
parent 3e3744d37e
commit 8fce31f69b
2 changed files with 2 additions and 0 deletions
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libstdc++-v3/testsuite/experimental/simd/standard_abi_usable.cc
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@ -1,5 +1,6 @@
// { dg-options "-std=c++17 -fno-fast-math" }
// { dg-do compile { target c++17 } }
// { dg-require-cmath "" }
// Copyright (C) 2020-2022 Free Software Foundation, Inc.
//

1
libstdc++-v3/testsuite/experimental/simd/standard_abi_usable_2.cc
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@ -1,4 +1,5 @@
// { dg-options "-std=c++17 -ffast-math" }
// { dg-do compile }
// { dg-require-cmath "" }
#include "standard_abi_usable.cc"