; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+avx | FileCheck %s --check-prefix=X32 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s --check-prefix=X64 define i128 @mulhioverflow(i64 %a, i64 %b, i64 %c) nounwind { ; X32-LABEL: mulhioverflow: ; X32: # %bb.0: ; X32-NEXT: pushl %ebp ; X32-NEXT: pushl %ebx ; X32-NEXT: pushl %edi ; X32-NEXT: pushl %esi ; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X32-NEXT: movl {{[0-9]+}}(%esp), %ebp ; X32-NEXT: movl {{[0-9]+}}(%esp), %ebx ; X32-NEXT: movl {{[0-9]+}}(%esp), %esi ; X32-NEXT: movl %ecx, %eax ; X32-NEXT: mull %ebx ; X32-NEXT: movl %edx, %edi ; X32-NEXT: movl %ebp, %eax ; X32-NEXT: mull %ebx ; X32-NEXT: movl %edx, %ebx ; X32-NEXT: movl %eax, %ebp ; X32-NEXT: addl %edi, %ebp ; X32-NEXT: adcl $0, %ebx ; X32-NEXT: movl %ecx, %eax ; X32-NEXT: mull %esi ; X32-NEXT: movl %edx, %ecx ; X32-NEXT: addl %ebp, %eax ; X32-NEXT: adcl %ebx, %ecx ; X32-NEXT: setb %bl ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X32-NEXT: mull %esi ; X32-NEXT: addl %ecx, %eax ; X32-NEXT: movzbl %bl, %ecx ; X32-NEXT: adcl %ecx, %edx ; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X32-NEXT: andl $1, %ecx ; X32-NEXT: addl %eax, %ecx ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X32-NEXT: movl %ecx, (%eax) ; X32-NEXT: adcl $0, %edx ; X32-NEXT: movl %edx, 4(%eax) ; X32-NEXT: setb %cl ; X32-NEXT: movzbl %cl, %ecx ; X32-NEXT: movl %ecx, 8(%eax) ; X32-NEXT: movl $0, 12(%eax) ; X32-NEXT: popl %esi ; X32-NEXT: popl %edi ; X32-NEXT: popl %ebx ; X32-NEXT: popl %ebp ; X32-NEXT: retl $4 ; ; X64-LABEL: mulhioverflow: ; X64: # %bb.0: ; X64-NEXT: movq %rdx, %rcx ; X64-NEXT: movq %rdi, %rax ; X64-NEXT: mulq %rsi ; X64-NEXT: andl $1, %ecx ; X64-NEXT: leaq (%rcx,%rdx), %rax ; X64-NEXT: xorl %edx, %edx ; X64-NEXT: retq %1 = zext i64 %a to i128 %2 = zext i64 %b to i128 %3 = mul i128 %1, %2 %4 = lshr i128 %3, 64 %5 = and i64 %c, 1 %6 = zext i64 %5 to i128 %7 = add i128 %4, %6 ret i128 %7 }