diff options
| author | 2015-07-23 10:44:35 +0100 | |
|---|---|---|
| committer | 2015-09-11 09:51:58 +0100 | |
| commit | 9ee23f4273efed8d6378f6ad8e63c65e30a17139 (patch) | |
| tree | 3b1bfb8a6260a57ccb2f025fcdc457464714701e /compiler/utils/arm/assembler_thumb2.cc | |
| parent | 62ba40149be3d1c65e4db1f455822a585149d32f (diff) | |
ARM/ARM64: Intrinsics - numberOfTrailingZeros, rotateLeft, rotateRight
Change-Id: I2a07c279756ee804fb7c129416bdc4a3962e93ed
Diffstat (limited to 'compiler/utils/arm/assembler_thumb2.cc')
| -rw-r--r-- | compiler/utils/arm/assembler_thumb2.cc | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/compiler/utils/arm/assembler_thumb2.cc b/compiler/utils/arm/assembler_thumb2.cc index 90ed10c498..b76068b9d5 100644 --- a/compiler/utils/arm/assembler_thumb2.cc +++ b/compiler/utils/arm/assembler_thumb2.cc @@ -2426,6 +2426,25 @@ void Thumb2Assembler::movt(Register rd, uint16_t imm16, Condition cond) { } +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); |