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9ad48c11b1
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! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208029 91177308-0d34-0410-b5e6-96231b3b80d8
27 lines
836 B
LLVM
27 lines
836 B
LLVM
; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s -check-prefix=X86-64
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; RUN: llc < %s -mtriple=x86_64-cygwin | FileCheck %s -check-prefix=WIN64
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; RUN: llc < %s -mtriple=x86_64-win32 | FileCheck %s -check-prefix=WIN64
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; RUN: llc < %s -mtriple=x86_64-mingw32 | FileCheck %s -check-prefix=WIN64
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define i64 @mod128(i128 %x) {
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; X86-64: movl $3, %edx
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; X86-64: xorl %ecx, %ecx
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; X86-64: callq __modti3
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; X86-64-NOT: movd %xmm0, %rax
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; WIN64-NOT: movl $3, %r8d
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; WIN64-NOT: xorl %r9d, %r9d
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; WIN64-DAG: movq %rdx, 56(%rsp)
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; WIN64-DAG: movq %rcx, 48(%rsp)
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; WIN64-DAG: leaq 48(%rsp), %rcx
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; WIN64-DAG: leaq 32(%rsp), %rdx
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; WIN64-DAG: movq $0, 40(%rsp)
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; WIN64-DAG: movq $3, 32(%rsp)
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; WIN64: callq __modti3
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; WIN64: movd %xmm0, %rax
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%1 = srem i128 %x, 3
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%2 = trunc i128 %1 to i64
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ret i64 %2
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}
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