; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+mmx,+3dnowa -post-RA-scheduler=false | FileCheck %s --check-prefix=NO-POSTRA ; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+mmx,+3dnowa -post-RA-scheduler=true | FileCheck %s --check-prefix=POSTRA define float @PR35982_emms(<1 x i64>) nounwind { ; NO-POSTRA-LABEL: PR35982_emms: ; NO-POSTRA: # %bb.0: ; NO-POSTRA-NEXT: subl $8, %esp ; NO-POSTRA-NEXT: movl {{[0-9]+}}(%esp), %eax ; NO-POSTRA-NEXT: movq {{[0-9]+}}(%esp), %mm0 ; NO-POSTRA-NEXT: punpckhdq %mm0, %mm0 # mm0 = mm0[1,1] ; NO-POSTRA-NEXT: movd %mm0, %ecx ; NO-POSTRA-NEXT: emms ; NO-POSTRA-NEXT: movl %eax, (%esp) ; NO-POSTRA-NEXT: fildl (%esp) ; NO-POSTRA-NEXT: movl %ecx, {{[0-9]+}}(%esp) ; NO-POSTRA-NEXT: fiaddl {{[0-9]+}}(%esp) ; NO-POSTRA-NEXT: addl $8, %esp ; NO-POSTRA-NEXT: retl ; ; POSTRA-LABEL: PR35982_emms: ; POSTRA: # %bb.0: ; POSTRA-NEXT: subl $8, %esp ; POSTRA-NEXT: movq {{[0-9]+}}(%esp), %mm0 ; POSTRA-NEXT: movl {{[0-9]+}}(%esp), %eax ; POSTRA-NEXT: punpckhdq %mm0, %mm0 # mm0 = mm0[1,1] ; POSTRA-NEXT: movd %mm0, %ecx ; POSTRA-NEXT: emms ; POSTRA-NEXT: movl %eax, (%esp) ; POSTRA-NEXT: fildl (%esp) ; POSTRA-NEXT: movl %ecx, {{[0-9]+}}(%esp) ; POSTRA-NEXT: fiaddl {{[0-9]+}}(%esp) ; POSTRA-NEXT: addl $8, %esp ; POSTRA-NEXT: retl %2 = bitcast <1 x i64> %0 to <2 x i32> %3 = extractelement <2 x i32> %2, i32 0 %4 = extractelement <1 x i64> %0, i32 0 %5 = bitcast i64 %4 to x86_mmx %6 = tail call x86_mmx @llvm.x86.mmx.punpckhdq(x86_mmx %5, x86_mmx %5) %7 = bitcast x86_mmx %6 to <2 x i32> %8 = extractelement <2 x i32> %7, i32 0 tail call void @llvm.x86.mmx.emms() %9 = sitofp i32 %3 to float %10 = sitofp i32 %8 to float %11 = fadd float %9, %10 ret float %11 } define float @PR35982_femms(<1 x i64>) nounwind { ; NO-POSTRA-LABEL: PR35982_femms: ; NO-POSTRA: # %bb.0: ; NO-POSTRA-NEXT: subl $8, %esp ; NO-POSTRA-NEXT: movl {{[0-9]+}}(%esp), %eax ; NO-POSTRA-NEXT: movq {{[0-9]+}}(%esp), %mm0 ; NO-POSTRA-NEXT: punpckhdq %mm0, %mm0 # mm0 = mm0[1,1] ; NO-POSTRA-NEXT: movd %mm0, %ecx ; NO-POSTRA-NEXT: femms ; NO-POSTRA-NEXT: movl %eax, (%esp) ; NO-POSTRA-NEXT: fildl (%esp) ; NO-POSTRA-NEXT: movl %ecx, {{[0-9]+}}(%esp) ; NO-POSTRA-NEXT: fiaddl {{[0-9]+}}(%esp) ; NO-POSTRA-NEXT: addl $8, %esp ; NO-POSTRA-NEXT: retl ; ; POSTRA-LABEL: PR35982_femms: ; POSTRA: # %bb.0: ; POSTRA-NEXT: subl $8, %esp ; POSTRA-NEXT: movq {{[0-9]+}}(%esp), %mm0 ; POSTRA-NEXT: movl {{[0-9]+}}(%esp), %eax ; POSTRA-NEXT: punpckhdq %mm0, %mm0 # mm0 = mm0[1,1] ; POSTRA-NEXT: movd %mm0, %ecx ; POSTRA-NEXT: femms ; POSTRA-NEXT: movl %eax, (%esp) ; POSTRA-NEXT: fildl (%esp) ; POSTRA-NEXT: movl %ecx, {{[0-9]+}}(%esp) ; POSTRA-NEXT: fiaddl {{[0-9]+}}(%esp) ; POSTRA-NEXT: addl $8, %esp ; POSTRA-NEXT: retl %2 = bitcast <1 x i64> %0 to <2 x i32> %3 = extractelement <2 x i32> %2, i32 0 %4 = extractelement <1 x i64> %0, i32 0 %5 = bitcast i64 %4 to x86_mmx %6 = tail call x86_mmx @llvm.x86.mmx.punpckhdq(x86_mmx %5, x86_mmx %5) %7 = bitcast x86_mmx %6 to <2 x i32> %8 = extractelement <2 x i32> %7, i32 0 tail call void @llvm.x86.mmx.femms() %9 = sitofp i32 %3 to float %10 = sitofp i32 %8 to float %11 = fadd float %9, %10 ret float %11 } declare x86_mmx @llvm.x86.mmx.punpckhdq(x86_mmx, x86_mmx) declare void @llvm.x86.mmx.femms() declare void @llvm.x86.mmx.emms()