*** 215,263 ****
          movw    %cx,(%esp)
          fldcw   (%esp)                  / restore RD
          addl    $8,%esp
          .end
  
- /
- /       branchless __isnan
- /       ((0x7ff00000-[((lx|-lx)>>31)&1]|ahx)>>31)&1 = 1 iff x is NaN
- /
-         .inline __isnan,0
-         movl    (%esp),%eax             /// eax <-- lo_32(x)
-         movl    %eax,%ecx
-         negl    %ecx                    / ecx <-- -lo_32(x)
-         orl     %ecx,%eax
-         shrl    $31,%eax                / 1 iff lx != 0
-         movl    4(%esp),%ecx            /// ecx <-- hi_32(x)
-         andl    $0x7fffffff,%ecx        / ecx <-- hi_32(abs(x))
-         orl     %ecx,%eax
-         subl    $0x7ff00000,%eax
-         negl    %eax
-         shrl    $31,%eax
-         .end
- 
          .inline __isnanf,0
          movl    (%esp),%eax
          andl    $0x7fffffff,%eax
          negl    %eax
          addl    $0x7f800000,%eax
          shrl    $31,%eax
          .end
  
-         .inline __isinf,0
-         movl    4(%esp),%eax            / eax <-- hi_32(x)
-         andl    $0x7fffffff,%eax        / set first bit to 0
-         cmpl    $0x7ff00000,%eax
-         pushfl
-         popl    %eax
-         cmpl    $0,(%esp)               / is lo_32(x) = 0?
-         pushfl
-         popl    %ecx                    / bit 6 of ecx <-- lo_32(x) == 0
-         andl    %ecx,%eax
-         andl    $0x40,%eax
-         shrl    $6,%eax
-         .end
  
          .inline __isnormal,0
                                          / TRUE iff (x is _finite, but
                                          /           neither subnormal nor +/-0)
                                          /      iff (0 < bexp(x) < 0x7ff)
--- 215,232 ----