diff options
Diffstat (limited to 'target/hexagon/imported/alu.idef')
| -rw-r--r-- | target/hexagon/imported/alu.idef | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/target/hexagon/imported/alu.idef b/target/hexagon/imported/alu.idef index 45cc529..58477ae 100644 --- a/target/hexagon/imported/alu.idef +++ b/target/hexagon/imported/alu.idef @@ -153,6 +153,21 @@ Q6INSN(A2_subp,"Rdd32=sub(Rtt32,Rss32)",ATTRIBS(), "Sub", { RddV=RttV-RssV;}) +/* 64-bit with carry */ + +Q6INSN(A4_addp_c,"Rdd32=add(Rss32,Rtt32,Px4):carry",ATTRIBS(),"Add with Carry", +{ + RddV = RssV + RttV + fLSBOLD(PxV); + PxV = f8BITSOF(fCARRY_FROM_ADD(RssV,RttV,fLSBOLD(PxV))); +}) + +Q6INSN(A4_subp_c,"Rdd32=sub(Rss32,Rtt32,Px4):carry",ATTRIBS(),"Sub with Carry", +{ + RddV = RssV + ~RttV + fLSBOLD(PxV); + PxV = f8BITSOF(fCARRY_FROM_ADD(RssV,~RttV,fLSBOLD(PxV))); +}) + + /* NEG and ABS */ Q6INSN(A2_negsat,"Rd32=neg(Rs32):sat",ATTRIBS(), @@ -1240,6 +1255,35 @@ MINMAX(uw,WORD,UWORD,2) #undef VMINORMAX3 +Q6INSN(A5_ACS,"Rxx32,Pe4=vacsh(Rss32,Rtt32)",ATTRIBS(), +"Add Compare and Select elements of two vectors, record the maximums and the decisions ", +{ + fHIDE(int i;) + fHIDE(int xv;) + fHIDE(int sv;) + fHIDE(int tv;) + for (i = 0; i < 4; i++) { + xv = (int) fGETHALF(i,RxxV); + sv = (int) fGETHALF(i,RssV); + tv = (int) fGETHALF(i,RttV); + xv = xv + tv; //assumes 17bit datapath + sv = sv - tv; //assumes 17bit datapath + fSETBIT(i*2, PeV, (xv > sv)); + fSETBIT(i*2+1,PeV, (xv > sv)); + fSETHALF(i, RxxV, fSATH(fMAX(xv,sv))); + } +}) + +Q6INSN(A6_vminub_RdP,"Rdd32,Pe4=vminub(Rtt32,Rss32)",ATTRIBS(), +"Vector minimum of bytes, records minimum and decision vector", +{ + fHIDE(int i;) + for (i = 0; i < 8; i++) { + fSETBIT(i, PeV, (fGETUBYTE(i,RttV) > fGETUBYTE(i,RssV))); + fSETBYTE(i,RddV,fMIN(fGETUBYTE(i,RttV),fGETUBYTE(i,RssV))); + } +}) + /**********************************************/ /* Vector Min/Max */ /**********************************************/ |