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| author | Nate Begeman <natebegeman@mac.com> | 2010-07-29 22:48:09 +0000 |
|---|---|---|
| committer | Nate Begeman <natebegeman@mac.com> | 2010-07-29 22:48:09 +0000 |
| commit | 0e0a20eb3859affe4626ee75bd5cb32c033d73fb (patch) | |
| tree | d7bd1bafccc549f0d7c857da6879b9868fa27cbd | |
| parent | 575be08e8a52226f8468d8dc78a5bbea273148c5 (diff) | |
| download | external_llvm-0e0a20eb3859affe4626ee75bd5cb32c033d73fb.zip external_llvm-0e0a20eb3859affe4626ee75bd5cb32c033d73fb.tar.gz external_llvm-0e0a20eb3859affe4626ee75bd5cb32c033d73fb.tar.bz2 | |
Add builtins for ssat/usat, similar to RealView's __ssat and __usat intrinsics.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109813 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | include/llvm/IntrinsicsARM.td | 4 | ||||
| -rw-r--r-- | lib/Target/ARM/ARMInstrInfo.td | 3 | ||||
| -rw-r--r-- | lib/Target/ARM/ARMInstrThumb2.td | 3 |
3 files changed, 10 insertions, 0 deletions
diff --git a/include/llvm/IntrinsicsARM.td b/include/llvm/IntrinsicsARM.td index 65f8361..7e909b7 100644 --- a/include/llvm/IntrinsicsARM.td +++ b/include/llvm/IntrinsicsARM.td @@ -29,6 +29,10 @@ let TargetPrefix = "arm" in { // All intrinsics start with "llvm.arm.". [IntrNoMem, Commutative]>; def int_arm_qsub : GCCBuiltin<"__builtin_arm_qsub">, Intrinsic<[llvm_i32_ty], [llvm_i32_ty, llvm_i32_ty], [IntrNoMem]>; + def int_arm_ssat : GCCBuiltin<"__builtin_arm_ssat">, + Intrinsic<[llvm_i32_ty], [llvm_i32_ty, llvm_i32_ty], [IntrNoMem]>; + def int_arm_usat : GCCBuiltin<"__builtin_arm_usat">, + Intrinsic<[llvm_i32_ty], [llvm_i32_ty, llvm_i32_ty], [IntrNoMem]>; } //===----------------------------------------------------------------------===// diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td index f211862..89500e3 100644 --- a/lib/Target/ARM/ARMInstrInfo.td +++ b/lib/Target/ARM/ARMInstrInfo.td @@ -1835,6 +1835,9 @@ def USAT16 : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a), DPFrm, let Inst{7-4} = 0b0011; } +def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSATlsl imm:$pos, GPR:$a, 0)>; +def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USATlsl imm:$pos, GPR:$a, 0)>; + //===----------------------------------------------------------------------===// // Bitwise Instructions. // diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td index 7142de0..e106aab 100644 --- a/lib/Target/ARM/ARMInstrThumb2.td +++ b/lib/Target/ARM/ARMInstrThumb2.td @@ -1579,6 +1579,9 @@ def t2USAT16 : T2I<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a), NoItinerary, let Inst{7-6} = 0b00; // imm2 = '00' } +def : T2Pat<(int_arm_ssat GPR:$a, imm:$pos), (t2SSATlsl imm:$pos, GPR:$a, 0)>; +def : T2Pat<(int_arm_usat GPR:$a, imm:$pos), (t2USATlsl imm:$pos, GPR:$a, 0)>; + //===----------------------------------------------------------------------===// // Shift and rotate Instructions. // |