diff options
| author | Mark Rowe <mark@vector35.com> | 2026-06-03 21:25:55 -0700 |
|---|---|---|
| committer | Mark Rowe <mark@vector35.com> | 2026-06-04 14:31:09 -0700 |
| commit | 144cd0aa1f13baebac43d5c877dc7cec8e07b389 (patch) | |
| tree | 97272bd36d7c65f4f85467bc903a7f7a8bd7b6b8 /arch/arm64/arch_arm64.cpp | |
| parent | d592ed6dafbb134553bf3a0b8ee70ff7f2049aba (diff) | |
[aarch64] Emit bswap, popcnt, clz, ctz, cls, and rbit instructions during lifting
Intrinsics are still used when lfiting vector instructions, and for
64-bit `rev16` instructions that are not easily composed from the new
instructions.
Diffstat (limited to 'arch/arm64/arch_arm64.cpp')
| -rw-r--r-- | arch/arm64/arch_arm64.cpp | 20 |
1 files changed, 4 insertions, 16 deletions
diff --git a/arch/arm64/arch_arm64.cpp b/arch/arm64/arch_arm64.cpp index 20b00e8a..8b1fbc55 100644 --- a/arch/arm64/arch_arm64.cpp +++ b/arch/arm64/arch_arm64.cpp @@ -994,18 +994,12 @@ class Arm64Architecture : public Architecture return "__xpaci"; case ARM64_INTRIN_ERET: return "_eret"; - case ARM64_INTRIN_CLZ: - return "_CountLeadingZeros"; case ARM64_INTRIN_CNT: return "_PopulationCount"; - case ARM64_INTRIN_CTZ: - return "_CountTrailingZeros"; case ARM64_INTRIN_CLREX: return "__clrex"; - case ARM64_INTRIN_REV: - return "_byteswap"; - case ARM64_INTRIN_RBIT: - return "__rbit"; + case ARM64_INTRIN_REV16: + return "__rev16"; case ARM64_INTRIN_AESD: return "__aesd"; case ARM64_INTRIN_AESE: @@ -1125,12 +1119,9 @@ class Arm64Architecture : public Architecture NameAndType(Type::IntegerType(8, false)) }; break; - case ARM64_INTRIN_CLZ: // reads <Xn> case ARM64_INTRIN_CNT: // reads <Xn> - case ARM64_INTRIN_CTZ: // reads <Xn> case ARM64_INTRIN_PRFM: - case ARM64_INTRIN_REV: // reads <Xn> - case ARM64_INTRIN_RBIT: // reads <Xn> + case ARM64_INTRIN_REV16: // reads <Xn> return {NameAndType(Type::IntegerType(8, false))}; case ARM64_INTRIN_AUTDA: // reads <Xd>, <Xn|SP> case ARM64_INTRIN_AUTDB: // reads <Xd>, <Xn|SP> @@ -1190,11 +1181,8 @@ class Arm64Architecture : public Architecture case ARM64_INTRIN_PACIB: // writes <Xd> case ARM64_INTRIN_XPACD: // writes <Xd> case ARM64_INTRIN_XPACI: // writes <Xd> - case ARM64_INTRIN_CLZ: // writes <Xd> case ARM64_INTRIN_CNT: // writes <Xd> - case ARM64_INTRIN_CTZ: // writes <Xd> - case ARM64_INTRIN_REV: // writes <Xd> - case ARM64_INTRIN_RBIT: // writes <Xd> + case ARM64_INTRIN_REV16: // writes <Xd> return {Type::IntegerType(8, false)}; case ARM64_INTRIN_AESD: case ARM64_INTRIN_AESE: |