From dd1c7792d6ff70e830e0ff8028bbac8379f5a79c Mon Sep 17 00:00:00 2001
From: Matthias Kretz <m.kretz@gsi.de>
Date: Thu, 24 Jun 2021 14:20:14 +0100
Subject: [PATCH] libstdc++: Remove incorrect fabs(simd) overload

fabs(int) returns double, this one didn't. This overload is not
specified in the Parallelism TS 2. Also remove the comment about labs
and llabs: it doesn't belong here.

Signed-off-by: Matthias Kretz <m.kretz@gsi.de>

libstdc++-v3/ChangeLog:

	* include/experimental/bits/simd_math.h (fabs): Remove
	fabs(simd<integral>) overload.
---
 .../include/experimental/bits/simd_math.h        | 16 ----------------
 1 file changed, 16 deletions(-)

diff --git a/libstdc++-v3/include/experimental/bits/simd_math.h b/libstdc++-v3/include/experimental/bits/simd_math.h
index d954e761eee2..fe670e60961c 100644
--- a/libstdc++-v3/include/experimental/bits/simd_math.h
+++ b/libstdc++-v3/include/experimental/bits/simd_math.h
@@ -865,22 +865,6 @@ template <typename _Tp, typename _Abi>
   abs(const simd<_Tp, _Abi>& __x)
   { return {__private_init, _Abi::_SimdImpl::_S_abs(__data(__x))}; }
 
-template <typename _Tp, typename _Abi>
-  enable_if_t<!is_floating_point_v<_Tp> && is_signed_v<_Tp>, simd<_Tp, _Abi>>
-  fabs(const simd<_Tp, _Abi>& __x)
-  { return {__private_init, _Abi::_SimdImpl::_S_abs(__data(__x))}; }
-
-// the following are overloads for functions in <cstdlib> and not covered by
-// [parallel.simd.math]. I don't see much value in making them work, though
-/*
-template <typename _Abi> simd<long, _Abi> labs(const simd<long, _Abi> &__x)
-{ return {__private_init, _Abi::_SimdImpl::abs(__data(__x))}; }
-
-template <typename _Abi> simd<long long, _Abi> llabs(const simd<long long, _Abi>
-&__x)
-{ return {__private_init, _Abi::_SimdImpl::abs(__data(__x))}; }
-*/
-
 #define _GLIBCXX_SIMD_CVTING2(_NAME)                                           \
 template <typename _Tp, typename _Abi>                                         \
   _GLIBCXX_SIMD_INTRINSIC simd<_Tp, _Abi> _NAME(                               \
-- 
2.47.2