; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=i686-unknown-unknown -mcpu=pentium4 | FileCheck %s @f1 = global float 1.000000e+00, align 4 define zeroext i1 @_Z9test_log2v() { ; CHECK-LABEL: _Z9test_log2v: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: pushl %eax ; CHECK-NEXT: .cfi_def_cfa_offset 8 ; CHECK-NEXT: flds f1 ; CHECK-NEXT: #APP ; CHECK-NEXT: fld1 ; CHECK-NEXT: fxch %st(1) ; CHECK-NEXT: fyl2x ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: fstps (%esp) ; CHECK-NEXT: xorps %xmm0, %xmm0 ; CHECK-NEXT: cmpeqss (%esp), %xmm0 ; CHECK-NEXT: movd %xmm0, %eax ; CHECK-NEXT: andl $1, %eax ; CHECK-NEXT: # kill: def $al killed $al killed $eax ; CHECK-NEXT: popl %ecx ; CHECK-NEXT: .cfi_def_cfa_offset 4 ; CHECK-NEXT: retl entry: %0 = load float, ptr @f1, align 4 %1 = fpext float %0 to x86_fp80 %2 = tail call x86_fp80 asm "fld1; fxch; fyl2x", "={st},0,~{st(1)},~{dirflag},~{fpsr},~{flags}"(x86_fp80 %1) %conv = fptrunc x86_fp80 %2 to float %3 = fcmp oeq float %conv, 0.000000e+00 ret i1 %3 } @fpi = external dso_local global float, align 4 define zeroext i1 @_Z8test_cosv() { ; CHECK-LABEL: _Z8test_cosv: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: subl $8, %esp ; CHECK-NEXT: .cfi_def_cfa_offset 12 ; CHECK-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero ; CHECK-NEXT: movss {{.*#+}} xmm2 = mem[0],zero,zero,zero ; CHECK-NEXT: divss {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0 ; CHECK-NEXT: movss %xmm0, {{[0-9]+}}(%esp) ; CHECK-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero ; CHECK-NEXT: flds {{[0-9]+}}(%esp) ; CHECK-NEXT: #APP ; CHECK-NEXT: fcos ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: fstps (%esp) ; CHECK-NEXT: movss {{.*#+}} xmm1 = mem[0],zero,zero,zero ; CHECK-NEXT: cmpleps %xmm1, %xmm0 ; CHECK-NEXT: cmpleps %xmm2, %xmm1 ; CHECK-NEXT: andps %xmm0, %xmm1 ; CHECK-NEXT: movd %xmm1, %eax ; CHECK-NEXT: andb $1, %al ; CHECK-NEXT: # kill: def $al killed $al killed $eax ; CHECK-NEXT: addl $8, %esp ; CHECK-NEXT: .cfi_def_cfa_offset 4 ; CHECK-NEXT: retl entry: %0 = load float, ptr @fpi, align 4 %div = fdiv float %0, 6.000000e+00 %1 = fpext float %div to x86_fp80 %2 = tail call x86_fp80 asm "fcos", "={st},0,~{dirflag},~{fpsr},~{flags}"(x86_fp80 %1) %conv = fptrunc x86_fp80 %2 to float %cmp = fcmp ole float %conv, 0x3FEBD70A40000000 %cmp1 = fcmp oge float %conv, 0x3FEB851EC0000000 %or.cond = and i1 %cmp, %cmp1 ret i1 %or.cond }