It should work with 3.7 ff useFloat128ManglingForLongDouble is there, although I don't know any project needing this patch alone.
In additional to this patch, http://reviews.llvm.org/D11437 and http://reviews.llvm.org/D11438 are required to replace gcc with clang/llvm to compile libm for Android. On Mon, Jul 27, 2015 at 11:39 AM, Hans Wennborg <h...@chromium.org> wrote: > Should this be merged to 3.7? > > On Fri, Jul 24, 2015 at 11:12 AM, Chih-Hung Hsieh <c...@google.com> wrote: > > Author: chh > > Date: Fri Jul 24 13:12:54 2015 > > New Revision: 243133 > > > > URL: http://llvm.org/viewvc/llvm-project?rev=243133&view=rev > > Log: > > Correct x86_64 Android fp128 mangled name > > > > These changes are for Android x86_64 targets to be compatible with > current Android g++. > > https://llvm.org/bugs/show_bug.cgi?id=23897 > > Use 'g' and 'Cg' for "long double" and "long double _Complex" mangled > type names. > > > > Differential Revision: http://reviews.llvm.org/D11466 > > > > Added: > > cfe/trunk/test/CodeGen/long_double_fp128.cpp > > Modified: > > cfe/trunk/lib/Basic/Targets.cpp > > > > Modified: cfe/trunk/lib/Basic/Targets.cpp > > URL: > http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/Targets.cpp?rev=243133&r1=243132&r2=243133&view=diff > > > ============================================================================== > > --- cfe/trunk/lib/Basic/Targets.cpp (original) > > +++ cfe/trunk/lib/Basic/Targets.cpp Fri Jul 24 13:12:54 2015 > > @@ -7071,6 +7071,10 @@ public: > > : LinuxTargetInfo<X86_64TargetInfo>(Triple) { > > LongDoubleFormat = &llvm::APFloat::IEEEquad; > > } > > + > > + bool useFloat128ManglingForLongDouble() const override { > > + return true; > > + } > > }; > > } // end anonymous namespace > > > > > > Added: cfe/trunk/test/CodeGen/long_double_fp128.cpp > > URL: > http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/long_double_fp128.cpp?rev=243133&view=auto > > > ============================================================================== > > --- cfe/trunk/test/CodeGen/long_double_fp128.cpp (added) > > +++ cfe/trunk/test/CodeGen/long_double_fp128.cpp Fri Jul 24 13:12:54 2015 > > @@ -0,0 +1,22 @@ > > +// RUN: %clang_cc1 -triple x86_64-linux-android -emit-llvm -o - %s \ > > +// RUN: | FileCheck %s --check-prefix=A64 > > +// RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm -o - %s \ > > +// RUN: | FileCheck %s --check-prefix=G64 > > +// RUN: %clang_cc1 -triple powerpc64-linux-gnu -emit-llvm -o - %s \ > > +// RUN: | FileCheck %s --check-prefix=P64 > > +// RUN: %clang_cc1 -triple i686-linux-android -emit-llvm -o - %s \ > > +// RUN: | FileCheck %s --check-prefix=A32 > > +// RUN: %clang_cc1 -triple i686-linux-gnu -emit-llvm -o - %s \ > > +// RUN: | FileCheck %s --check-prefix=G32 > > +// RUN: %clang_cc1 -triple powerpc-linux-gnu -emit-llvm -o - %s \ > > +// RUN: | FileCheck %s --check-prefix=P32 > > + > > +// Check mangled name of long double. > > +// Android's gcc and llvm use fp128 for long double. > > +void test(long, float, double, long double, long double _Complex) { } > > +// A64: define void @_Z4testlfdgCg(i64, float, double, fp128, { fp128, > fp128 }* > > +// G64: define void @_Z4testlfdeCe(i64, float, double, x86_fp80, { > x86_fp80, x86_fp80 }* > > +// P64: define void @_Z4testlfdgCg(i64, float, double, ppc_fp128, > ppc_fp128 {{.*}}, ppc_fp128 > > +// A32: define void @_Z4testlfdeCe(i32, float, double, double, { > double, double }* > > +// G32: define void @_Z4testlfdeCe(i32, float, double, x86_fp80, { > x86_fp80, x86_fp80 }* > > +// P32: define void @_Z4testlfdgCg(i32, float, double, ppc_fp128, { > ppc_fp128, ppc_fp128 }* > > > > > > _______________________________________________ > > cfe-commits mailing list > > cfe-commits@cs.uiuc.edu > > http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits >
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