diff options
| author | Mark Rowe <mark@vector35.com> | 2025-10-18 10:31:00 -0700 |
|---|---|---|
| committer | Mark Rowe <mark@vector35.com> | 2025-10-18 22:26:08 -0700 |
| commit | 1ec0d4fced11af730db0d9273fb512563fc02a0a (patch) | |
| tree | ba2890840a1b376ace3bb5cff3d5ae25e55086b2 /arch/arm64/arch_arm64.cpp | |
| parent | 419e7ef52e4d0374f19c2836b4eb358359713d57 (diff) | |
[AArch64] Lift FEAT_CSSC instructions
`abs`, `smax`, `smin`, `umax`, and `umin` are lifted to instruction
sequences involving comparisons, while `cnt` and `ctz` are lifted to
intrinsics.
Diffstat (limited to 'arch/arm64/arch_arm64.cpp')
| -rw-r--r-- | arch/arm64/arch_arm64.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm64/arch_arm64.cpp b/arch/arm64/arch_arm64.cpp index 5faf37e5..2ec4a9f2 100644 --- a/arch/arm64/arch_arm64.cpp +++ b/arch/arm64/arch_arm64.cpp @@ -996,6 +996,10 @@ class Arm64Architecture : public Architecture 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: @@ -1086,6 +1090,8 @@ class Arm64Architecture : public Architecture }; 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> @@ -1149,6 +1155,8 @@ class Arm64Architecture : public Architecture 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> return {Type::IntegerType(8, false)}; |