PR#163: Use the ieee128 format for long double on ppc64le - rpms/clang

Tom Stellard • a month ago

27327ff

clang.spec

file modified

+8 -1

		`@@ -41,7 +41,7 @@`

		`Name: %pkg_name`
		`Version: %{clang_version}%{?rc_ver:~rc%{rc_ver}}`
		`- Release: 2%{?dist}`
		`+ Release: 3%{?dist}`
		`Summary: A C language family front-end for LLVM`

		`License: NCSA`
		`@@ -316,6 +316,7 @@`

		`# -DLLVM_ENABLE_NEW_PASS_MANAGER=ON can be removed once this patch is committed:`
		`# https://reviews.llvm.org/D107628`
		`+ # -DPPC_LINUX_DEFAULT_IEEELONGDOUBLE=ON to match gcc.`
		`%cmake -G Ninja \`
		`-DLLVM_PARALLEL_LINK_JOBS=1 \`
		`-DLLVM_LINK_LLVM_DYLIB:BOOL=ON \`
		`@@ -365,6 +366,9 @@`
		`-DCLANG_BUILD_EXAMPLES:BOOL=OFF \`
		`-DBUILD_SHARED_LIBS=OFF \`
		`-DCLANG_REPOSITORY_STRING="%{?fedora:Fedora}%{?rhel:Red Hat} %{version}-%{release}" \`
		`+ %if 0%{?fedora}`
		`+ -DPPC_LINUX_DEFAULT_IEEELONGDOUBLE=ON \`
		`+ %endif`
		`%ifarch %{arm}`
		`-DCLANG_DEFAULT_LINKER=lld \`
		`%endif`
		`@@ -597,6 +601,9 @@`

		`%endif`
		`%changelog`
		`+ * Thu May 19 2022 Tom Stellard <tstellar@redhat.com> - 14.0.0-3`
		`+ - Use the ieee128 format for long double on ppc64le`
		`+`
		`* Mon Apr 04 2022 Jeremy Newton <alexjnewt AT hotmail DOT com> - 14.0.0-2`
		`- Add patch for HIP (cherry-picked from llvm trunk, to be LLVM15)`

tests/ppc64le-long-double/main.fmf

file added

		`@@ -0,0 +1,7 @@`
		`+ summary: Test that gcc and clang use the same long double format on ppc64le`
		`+ require:`
		`+ - clang`
		`+ - qemu-user-static`
		`+ - mock`
		`+ test: ./runtest.sh`
		`+ duration: 1h`

tests/ppc64le-long-double/runtest.sh

file added

+14

		`@@ -0,0 +1,14 @@`
		`+ set -e`
		`+`
		+ fedora_release=`rpm -E %{fedora}`
		`+ mock_root=fedora-$fedora_release-ppc64le`
		`+ triple=ppc64le-redhat-linux`
		`+`
		`+ mock -r $mock_root --isolation=simple --install gcc`
		`+ gcc_output=$(mock -r $mock_root --isolation=simple -q --shell gcc -E -dM -x c /dev/null \| grep -e __LONG_DOUBLE_IEEE128__ -e __LONG_DOUBLE_IBM128__)`
		`+ clang_output=$(clang -target $triple -E -dM -x c /dev/null \| grep -e __LONG_DOUBLE_IEEE128__ -e __LONG_DOUBLE_IBM128__)`
		`+`
		`+ echo "gcc: $gcc_output"`
		`+ echo "clang: $clang_output"`
		`+`
		`+ test "$gcc_output" = "$clang_output"`