From d1343f28dcbe25b100b082b34775bd92ead4602c Mon Sep 17 00:00:00 2001

From: jzmaddock <john@johnmaddock.co.uk>

Date: Tue, 25 Jan 2022 09:27:40 +0000

Subject: [PATCH] Update gcc Intel intrinsic usage config. Fixes

 https://github.com/boostorg/multiprecision/issues/419.

---

 include/boost/multiprecision/cpp_int/intel_intrinsics.hpp | 6 +++++-

 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/include/boost/multiprecision/cpp_int/intel_intrinsics.hpp b/include/boost/multiprecision/cpp_int/intel_intrinsics.hpp

index eb4624bb4..37717cd51 100644

--- a/include/boost/multiprecision/cpp_int/intel_intrinsics.hpp

+++ b/include/boost/multiprecision/cpp_int/intel_intrinsics.hpp

@@ -19,7 +19,11 @@

 // If this is GCC/clang, then check that the actual intrinsic exists:

 //

 #if defined(__has_builtin) && defined(__GNUC__)

-#if !__has_builtin(__builtin_ia32_addcarryx_u64) && defined(BOOST_MP_HAS_IMMINTRIN_H) && !(defined(BOOST_GCC) && (__GNUC__ >= 9))

+#if !__has_builtin(__builtin_ia32_addcarryx_u64) && defined(BOOST_MP_HAS_IMMINTRIN_H) \

+   && !(defined(BOOST_GCC) && (__GNUC__ >= 9) \

+      && (defined(__amd64__) || defined(__amd64) || defined(__x86_64__) || defined(__x86_64)\

+          || defined(i386) || defined(__i386) || defined(__i386__) || defined(_M_AMD64) \

+          || defined(_M_X64) || defined(__amd64__) || defined(_M_X64)))

 #undef BOOST_MP_HAS_IMMINTRIN_H

 #endif

 #elif defined(BOOST_MP_HAS_IMMINTRIN_H) && defined(__GNUC__) && !(defined(BOOST_GCC) && (__GNUC__ >= 9))