Merge "Revert "Revert "[optimizing] Replace FP divide by power of 2"""

1 files changed, 0 insertions, 20 deletions

diff --git a/compiler/dex/quick/mir_to_lir.h b/compiler/dex/quick/mir_to_lir.h
index a07274f..4fdc728 100644
--- a/compiler/dex/quick/mir_to_lir.h
+++ b/compiler/dex/quick/mir_to_lir.h
@@ -1467,26 +1467,6 @@ class Mir2Lir {
       return InexpensiveConstantInt(value);
     }
 
-    /**
-     * @brief Whether division by the given divisor can be converted to multiply by its reciprocal.
-     * @param divisor A constant divisor bits of float type.
-     * @return Returns true iff, x/divisor == x*(1.0f/divisor), for every float x.
-     */
-    bool CanDivideByReciprocalMultiplyFloat(int32_t divisor) {
-      // True, if float value significand bits are 0.
-      return ((divisor & 0x7fffff) == 0);
-    }
-
-    /**
-     * @brief Whether division by the given divisor can be converted to multiply by its reciprocal.
-     * @param divisor A constant divisor bits of double type.
-     * @return Returns true iff, x/divisor == x*(1.0/divisor), for every double x.
-     */
-    bool CanDivideByReciprocalMultiplyDouble(int64_t divisor) {
-      // True, if double value significand bits are 0.
-      return ((divisor & ((UINT64_C(1) << 52) - 1)) == 0);
-    }
-
     // May be optimized by targets.
     virtual void GenMonitorEnter(int opt_flags, RegLocation rl_src);
     virtual void GenMonitorExit(int opt_flags, RegLocation rl_src);