fold SK_CPU_HAS_CONDITION_INSTR through as always defined

src/core/Sk64.cpp

 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "Sk64.h"
 #include "SkMathPriv.h"
 
@@ skipping 235 matching lines @@
         }
         denom <<= (dbits - 1);
         shift_left_bits(hi, lo, nbits - 1);
     }
 
     int32_t     rhi = 0;
     uint32_t    rlo = 0;
 
     do {
         shift_left(rhi, rlo);
-#ifdef SK_CPU_HAS_CONDITIONAL_INSTR
         if ((uint32_t)denom <= (uint32_t)hi)
         {
             hi -= denom;
             rlo |= 1;
         }
-#else
-        int32_t diff = (denom - hi - 1) >> 31;
-        hi -= denom & diff;
-        rlo -= diff;
-#endif
         shift_left(hi, lo);
     } while (--bits >= 0);
     SkASSERT(rhi >= 0);
 
     fHi = rhi;
     fLo = rlo;
     if (sign < 0)
         this->negate();
 }
 
@@ skipping 74 matching lines @@
         else
             N.roundRight(-shiftN);
         N.div(D.get32(), Sk64::kTrunc_DivOption);
         if (N.is32())
             result = N.get32();
         else
             result = SK_MaxS32;
     }
     return SkApplySign(result, sign);
 }