AArch64: implement easy division and reminder.
This implements easy division and reminder for integer only (32-bit).
The optimisation applies to div/rem by powers of 2 and to div by small
literals (between 3-15).
Change-Id: I71be7c4de5d2e2e738b88984f13efb08f4388a19
diff --git a/compiler/dex/quick/arm64/utility_arm64.cc b/compiler/dex/quick/arm64/utility_arm64.cc
index 672aa88..37edbaf 100644
--- a/compiler/dex/quick/arm64/utility_arm64.cc
+++ b/compiler/dex/quick/arm64/utility_arm64.cc
@@ -875,7 +875,7 @@
}
int Arm64Mir2Lir::EncodeShift(int shift_type, int amount) {
- return ((shift_type & 0x3) << 7) | (amount & 0x1f);
+ return ((shift_type & 0x3) << 7) | (amount & 0x3f);
}
int Arm64Mir2Lir::EncodeExtend(int extend_type, int amount) {