From: Matthias Kretz <m.kretz@gsi.de>
Date: Tue, 21 Mar 2023 16:40:21 +0000 (+0100)
Subject: libstdc++: Use more precise __RECIPROCAL_MATH__ macro
X-Git-Tag: releases/gcc-12.3.0~210
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=c152c936123c0fd854b63b6cf6964aa3c96086b4;p=thirdparty%2Fgcc.git

libstdc++: Use more precise __RECIPROCAL_MATH__ macro

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

libstdc++-v3/ChangeLog:

	* include/experimental/bits/simd_x86.h
	(_SimdImplX86::_S_divides): Replace test for __GCC_IEC_559 == 0
	with __RECIPROCAL_MATH__.

(cherry picked from commit fac64bf456cf56f0c6309d21286b7eaf170f668e)
---

diff --git a/libstdc++-v3/include/experimental/bits/simd_x86.h b/libstdc++-v3/include/experimental/bits/simd_x86.h
index 53e886c51364..357024646080 100644
--- a/libstdc++-v3/include/experimental/bits/simd_x86.h
+++ b/libstdc++-v3/include/experimental/bits/simd_x86.h
@@ -1422,7 +1422,7 @@ template <typename _Abi, typename>
 		},
 		[&__xf,
 		 &__yf](auto __i) -> _SimdWrapper<_Float, __n_intermediate> {
-#if __GCC_IEC_559 == 0
+#if __RECIPROCAL_MATH__
 		  // If -freciprocal-math is active, using the `/` operator is
 		  // incorrect because it may be translated to an imprecise
 		  // multiplication with reciprocal. We need to use inline