diff options
Diffstat (limited to 'compiler/codeGen/CgPrimOp.hs')
| -rw-r--r-- | compiler/codeGen/CgPrimOp.hs | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/compiler/codeGen/CgPrimOp.hs b/compiler/codeGen/CgPrimOp.hs index c2a57a40d2..25d63d8002 100644 --- a/compiler/codeGen/CgPrimOp.hs +++ b/compiler/codeGen/CgPrimOp.hs @@ -374,6 +374,12 @@ emitPrimOp [] CopyByteArrayOp [src,src_off,dst,dst_off,n] live = emitPrimOp [] CopyMutableByteArrayOp [src,src_off,dst,dst_off,n] live = doCopyMutableByteArrayOp src src_off dst dst_off n live +-- Population count +emitPrimOp [res] PopCnt8Op [w] live = emitPopCntCall res w W8 live +emitPrimOp [res] PopCnt16Op [w] live = emitPopCntCall res w W16 live +emitPrimOp [res] PopCnt32Op [w] live = emitPopCntCall res w W32 live +emitPrimOp [res] PopCnt64Op [w] live = emitPopCntCall res w W64 live +emitPrimOp [res] PopCntOp [w] live = emitPopCntCall res w wordWidth live -- The rest just translate straightforwardly emitPrimOp [res] op [arg] _ @@ -908,3 +914,14 @@ emitAllocateCall res cap n live = do where allocate = CmmLit (CmmLabel (mkForeignLabel (fsLit "allocate") Nothing ForeignLabelInExternalPackage IsFunction)) + +emitPopCntCall :: LocalReg -> CmmExpr -> Width -> StgLiveVars -> Code +emitPopCntCall res x width live = do + vols <- getVolatileRegs live + emitForeignCall' PlayRisky + [CmmHinted res NoHint] + (CmmPrim (MO_PopCnt width)) + [(CmmHinted x NoHint)] + (Just vols) + NoC_SRT -- No SRT b/c we do PlayRisky + CmmMayReturn |