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| author | Reid Kleckner <reid@kleckner.net> | 2014-05-06 01:20:42 +0000 |
|---|---|---|
| committer | Reid Kleckner <reid@kleckner.net> | 2014-05-06 01:20:42 +0000 |
| commit | 4a406d32e97b1748c4eed6674a2c1819b9cf98ea (patch) | |
| tree | 048f5cdef74cd58fc0f6ddc301c522ad5b485a01 /llvm/test | |
| parent | 91dd26b9a0627e54bd81a5000ff4937f484ceb97 (diff) | |
| download | bcm5719-llvm-4a406d32e97b1748c4eed6674a2c1819b9cf98ea.tar.gz bcm5719-llvm-4a406d32e97b1748c4eed6674a2c1819b9cf98ea.zip | |
Fix i128 div/mod on mingw64
The Win64 docs are very clear that anything larger than 8 bytes is
passed by reference, and GCC MinGW64 honors that for __modti3 and
friends.
Patch by Jameson Nash!
llvm-svn: 208029
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/CodeGen/X86/mod128.ll | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/mod128.ll b/llvm/test/CodeGen/X86/mod128.ll new file mode 100644 index 00000000000..4fdee11ec83 --- /dev/null +++ b/llvm/test/CodeGen/X86/mod128.ll @@ -0,0 +1,26 @@ +; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s -check-prefix=X86-64 +; RUN: llc < %s -mtriple=x86_64-cygwin | FileCheck %s -check-prefix=WIN64 +; RUN: llc < %s -mtriple=x86_64-win32 | FileCheck %s -check-prefix=WIN64 +; RUN: llc < %s -mtriple=x86_64-mingw32 | FileCheck %s -check-prefix=WIN64 + +define i64 @mod128(i128 %x) { + ; X86-64: movl $3, %edx + ; X86-64: xorl %ecx, %ecx + ; X86-64: callq __modti3 + ; X86-64-NOT: movd %xmm0, %rax + + ; WIN64-NOT: movl $3, %r8d + ; WIN64-NOT: xorl %r9d, %r9d + ; WIN64-DAG: movq %rdx, 56(%rsp) + ; WIN64-DAG: movq %rcx, 48(%rsp) + ; WIN64-DAG: leaq 48(%rsp), %rcx + ; WIN64-DAG: leaq 32(%rsp), %rdx + ; WIN64-DAG: movq $0, 40(%rsp) + ; WIN64-DAG: movq $3, 32(%rsp) + ; WIN64: callq __modti3 + ; WIN64: movd %xmm0, %rax + + %1 = srem i128 %x, 3 + %2 = trunc i128 %1 to i64 + ret i64 %2 +} |
