commit 9ee23f4273efed8d6378f6ad8e63c65e30a17139
author Scott Wakeling <scott.wakeling@linaro.org> Thu Jul 23 10:44:35 2015 +0100
committer Scott Wakeling <scott.wakeling@linaro.org> Fri Sep 11 09:51:58 2015 +0100
tree 3b1bfb8a6260a57ccb2f025fcdc457464714701e
parent 62ba40149be3d1c65e4db1f455822a585149d32f

ARM/ARM64: Intrinsics - numberOfTrailingZeros, rotateLeft, rotateRight

Change-Id: I2a07c279756ee804fb7c129416bdc4a3962e93ed

compiler/utils/arm/assembler_thumb2.cc

diff --git a/compiler/utils/arm/assembler_thumb2.cc b/compiler/utils/arm/assembler_thumb2.cc
index 90ed10c..b76068b 100644
--- a/compiler/utils/arm/assembler_thumb2.cc
+++ b/compiler/utils/arm/assembler_thumb2.cc
@@ -2426,6 +2426,25 @@
 }
 
 
+void Thumb2Assembler::rbit(Register rd, Register rm, Condition cond) {
+  CHECK_NE(rd, kNoRegister);
+  CHECK_NE(rm, kNoRegister);
+  CheckCondition(cond);
+  CHECK_NE(rd, PC);
+  CHECK_NE(rm, PC);
+  CHECK_NE(rd, SP);
+  CHECK_NE(rm, SP);
+  int32_t encoding = B31 | B30 | B29 | B28 | B27 |
+      B25 | B23 | B20 |
+      static_cast<uint32_t>(rm) << 16 |
+      0xf << 12 |
+      static_cast<uint32_t>(rd) << 8 |
+      B7 | B5 |
+      static_cast<uint32_t>(rm);
+  Emit32(encoding);
+}
+
+
 void Thumb2Assembler::ldrex(Register rt, Register rn, uint16_t imm, Condition cond) {
   CHECK_NE(rn, kNoRegister);
   CHECK_NE(rt, kNoRegister);