1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc < %s -mtriple=i686-unknown-unknown -mcpu=pentium4 | FileCheck %s 3 4@f1 = global float 1.000000e+00, align 4 5 6define zeroext i1 @_Z9test_log2v() { 7; CHECK-LABEL: _Z9test_log2v: 8; CHECK: # %bb.0: # %entry 9; CHECK-NEXT: pushl %eax 10; CHECK-NEXT: .cfi_def_cfa_offset 8 11; CHECK-NEXT: flds f1 12; CHECK-NEXT: #APP 13; CHECK-NEXT: fld1 14; CHECK-NEXT: fxch %st(1) 15; CHECK-NEXT: fyl2x 16; CHECK-NEXT: #NO_APP 17; CHECK-NEXT: fstps (%esp) 18; CHECK-NEXT: xorps %xmm0, %xmm0 19; CHECK-NEXT: cmpeqss (%esp), %xmm0 20; CHECK-NEXT: movd %xmm0, %eax 21; CHECK-NEXT: andl $1, %eax 22; CHECK-NEXT: # kill: def $al killed $al killed $eax 23; CHECK-NEXT: popl %ecx 24; CHECK-NEXT: .cfi_def_cfa_offset 4 25; CHECK-NEXT: retl 26entry: 27 %0 = load float, ptr @f1, align 4 28 %1 = fpext float %0 to x86_fp80 29 %2 = tail call x86_fp80 asm "fld1; fxch; fyl2x", "={st},0,~{st(1)},~{dirflag},~{fpsr},~{flags}"(x86_fp80 %1) 30 %conv = fptrunc x86_fp80 %2 to float 31 %3 = fcmp oeq float %conv, 0.000000e+00 32 ret i1 %3 33} 34 35@fpi = external dso_local global float, align 4 36 37define zeroext i1 @_Z8test_cosv() { 38; CHECK-LABEL: _Z8test_cosv: 39; CHECK: # %bb.0: # %entry 40; CHECK-NEXT: subl $8, %esp 41; CHECK-NEXT: .cfi_def_cfa_offset 12 42; CHECK-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero 43; CHECK-NEXT: movss {{.*#+}} xmm2 = [8.70000004E-1,0.0E+0,0.0E+0,0.0E+0] 44; CHECK-NEXT: divss {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0 45; CHECK-NEXT: movss %xmm0, {{[0-9]+}}(%esp) 46; CHECK-NEXT: movss {{.*#+}} xmm0 = [8.60000014E-1,0.0E+0,0.0E+0,0.0E+0] 47; CHECK-NEXT: flds {{[0-9]+}}(%esp) 48; CHECK-NEXT: #APP 49; CHECK-NEXT: fcos 50; CHECK-NEXT: #NO_APP 51; CHECK-NEXT: fstps (%esp) 52; CHECK-NEXT: movss {{.*#+}} xmm1 = mem[0],zero,zero,zero 53; CHECK-NEXT: cmpleps %xmm1, %xmm0 54; CHECK-NEXT: cmpleps %xmm2, %xmm1 55; CHECK-NEXT: andps %xmm0, %xmm1 56; CHECK-NEXT: movd %xmm1, %eax 57; CHECK-NEXT: andb $1, %al 58; CHECK-NEXT: # kill: def $al killed $al killed $eax 59; CHECK-NEXT: addl $8, %esp 60; CHECK-NEXT: .cfi_def_cfa_offset 4 61; CHECK-NEXT: retl 62entry: 63 %0 = load float, ptr @fpi, align 4 64 %div = fdiv float %0, 6.000000e+00 65 %1 = fpext float %div to x86_fp80 66 %2 = tail call x86_fp80 asm "fcos", "={st},0,~{dirflag},~{fpsr},~{flags}"(x86_fp80 %1) 67 %conv = fptrunc x86_fp80 %2 to float 68 %cmp = fcmp ole float %conv, 0x3FEBD70A40000000 69 %cmp1 = fcmp oge float %conv, 0x3FEB851EC0000000 70 %or.cond = and i1 %cmp, %cmp1 71 ret i1 %or.cond 72} 73