diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/SIInstructions.td | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/llvm/lib/Target/AMDGPU/SIInstructions.td b/llvm/lib/Target/AMDGPU/SIInstructions.td index 3b4bdc86425..3eb8af108f2 100644 --- a/llvm/lib/Target/AMDGPU/SIInstructions.td +++ b/llvm/lib/Target/AMDGPU/SIInstructions.td @@ -929,6 +929,15 @@ def : UMad24Pat<V_MAD_U32_U24>; defm : BFIPatterns <V_BFI_B32, S_MOV_B32, SReg_64>; def : ROTRPattern <V_ALIGNBIT_B32>; +def : Pat<(i32 (trunc (srl i64:$src0, (and i32:$src1, (i32 31))))), + (V_ALIGNBIT_B32 (i32 (EXTRACT_SUBREG (i64 $src0), sub1)), + (i32 (EXTRACT_SUBREG (i64 $src0), sub0)), $src1)>; + +def : Pat<(i32 (trunc (shl i64:$src0, (and i32:$src1, (i32 31))))), + (V_ALIGNBIT_B32 (i32 (EXTRACT_SUBREG (i64 $src0), sub1)), + (i32 (EXTRACT_SUBREG (i64 $src0), sub0)), + (S_SUB_I32 (i32 32), $src1))>; + /********** ====================== **********/ /********** Indirect addressing **********/ /********** ====================== **********/ |
