-- Shift instructions cannot be grouped with other IEU0-specific instructions.
-- CC setting instructions cannot be grouped with other IEU1-specific instrs.
-- Several instructions must be issued in a single-instruction group:
- MOVcc or MOVr, MULs/x and DIVs/x, SAVE/RESTORE, many others
+ MOVcc or MOVr, MULs/x and DIVs/x, SAVE/RESTORE, many others
-- A CALL or JMPL breaks a group, ie, is not combined with subsequent instrs.
--
--
/*numEntries*/ 4,
/* V[] */ {
/*Cycle G */ { AllIssueSlots.rid, 0, 1 },
- { CTIIssueSlots.rid, 0, 1 },
+ { CTIIssueSlots.rid, 0, 1 },
/*Cycle E */ { IAlu0.rid, 1, 1 },
/*Cycles E-C */ { CTIDelayCycle.rid, 1, 2 }
/*Cycle C */
// opCode, isSingleIssue, breaksGroup, numBubbles
- // Special cases for single-issue only
- // Other single issue cases are below.
-//{ V9::LDDA, true, true, 0 },
-//{ V9::STDA, true, true, 0 },
-//{ V9::LDDF, true, true, 0 },
-//{ V9::LDDFA, true, true, 0 },
- { V9::ADDCr, true, true, 0 },
- { V9::ADDCi, true, true, 0 },
- { V9::ADDCccr, true, true, 0 },
- { V9::ADDCcci, true, true, 0 },
- { V9::SUBCr, true, true, 0 },
- { V9::SUBCi, true, true, 0 },
- { V9::SUBCccr, true, true, 0 },
- { V9::SUBCcci, true, true, 0 },
-//{ V9::LDSTUB, true, true, 0 },
-//{ V9::SWAP, true, true, 0 },
-//{ V9::SWAPA, true, true, 0 },
-//{ V9::CAS, true, true, 0 },
-//{ V9::CASA, true, true, 0 },
-//{ V9::CASX, true, true, 0 },
-//{ V9::CASXA, true, true, 0 },
-//{ V9::LDFSR, true, true, 0 },
-//{ V9::LDFSRA, true, true, 0 },
-//{ V9::LDXFSR, true, true, 0 },
-//{ V9::LDXFSRA, true, true, 0 },
-//{ V9::STFSR, true, true, 0 },
-//{ V9::STFSRA, true, true, 0 },
-//{ V9::STXFSR, true, true, 0 },
-//{ V9::STXFSRA, true, true, 0 },
-//{ V9::SAVED, true, true, 0 },
-//{ V9::RESTORED, true, true, 0 },
-//{ V9::FLUSH, true, true, 9 },
-//{ V9::FLUSHW, true, true, 9 },
-//{ V9::ALIGNADDR, true, true, 0 },
-//{ V9::DONE, true, true, 0 },
-//{ V9::RETRY, true, true, 0 },
-//{ V9::TCC, true, true, 0 },
-//{ V9::SHUTDOWN, true, true, 0 },
-
- // Special cases for breaking group *before*
- // CURRENTLY NOT SUPPORTED!
- { V9::CALL, false, false, 0 },
- { V9::JMPLCALLr, false, false, 0 },
- { V9::JMPLCALLi, false, false, 0 },
- { V9::JMPLRETr, false, false, 0 },
- { V9::JMPLRETi, false, false, 0 },
-
- // Special cases for breaking the group *after*
- { V9::MULXr, true, true, (4+34)/2 },
- { V9::MULXi, true, true, (4+34)/2 },
- { V9::FDIVS, false, true, 0 },
- { V9::FDIVD, false, true, 0 },
- { V9::FDIVQ, false, true, 0 },
- { V9::FSQRTS, false, true, 0 },
- { V9::FSQRTD, false, true, 0 },
- { V9::FSQRTQ, false, true, 0 },
+ // Special cases for single-issue only
+ // Other single issue cases are below.
+//{ V9::LDDA, true, true, 0 },
+//{ V9::STDA, true, true, 0 },
+//{ V9::LDDF, true, true, 0 },
+//{ V9::LDDFA, true, true, 0 },
+ { V9::ADDCr, true, true, 0 },
+ { V9::ADDCi, true, true, 0 },
+ { V9::ADDCccr, true, true, 0 },
+ { V9::ADDCcci, true, true, 0 },
+ { V9::SUBCr, true, true, 0 },
+ { V9::SUBCi, true, true, 0 },
+ { V9::SUBCccr, true, true, 0 },
+ { V9::SUBCcci, true, true, 0 },
+//{ V9::LDSTUB, true, true, 0 },
+//{ V9::SWAP, true, true, 0 },
+//{ V9::SWAPA, true, true, 0 },
+//{ V9::CAS, true, true, 0 },
+//{ V9::CASA, true, true, 0 },
+//{ V9::CASX, true, true, 0 },
+//{ V9::CASXA, true, true, 0 },
+//{ V9::LDFSR, true, true, 0 },
+//{ V9::LDFSRA, true, true, 0 },
+//{ V9::LDXFSR, true, true, 0 },
+//{ V9::LDXFSRA, true, true, 0 },
+//{ V9::STFSR, true, true, 0 },
+//{ V9::STFSRA, true, true, 0 },
+//{ V9::STXFSR, true, true, 0 },
+//{ V9::STXFSRA, true, true, 0 },
+//{ V9::SAVED, true, true, 0 },
+//{ V9::RESTORED, true, true, 0 },
+//{ V9::FLUSH, true, true, 9 },
+//{ V9::FLUSHW, true, true, 9 },
+//{ V9::ALIGNADDR, true, true, 0 },
+//{ V9::DONE, true, true, 0 },
+//{ V9::RETRY, true, true, 0 },
+//{ V9::TCC, true, true, 0 },
+//{ V9::SHUTDOWN, true, true, 0 },
+
+ // Special cases for breaking group *before*
+ // CURRENTLY NOT SUPPORTED!
+ { V9::CALL, false, false, 0 },
+ { V9::JMPLCALLr, false, false, 0 },
+ { V9::JMPLCALLi, false, false, 0 },
+ { V9::JMPLRETr, false, false, 0 },
+ { V9::JMPLRETi, false, false, 0 },
+
+ // Special cases for breaking the group *after*
+ { V9::MULXr, true, true, (4+34)/2 },
+ { V9::MULXi, true, true, (4+34)/2 },
+ { V9::FDIVS, false, true, 0 },
+ { V9::FDIVD, false, true, 0 },
+ { V9::FDIVQ, false, true, 0 },
+ { V9::FSQRTS, false, true, 0 },
+ { V9::FSQRTD, false, true, 0 },
+ { V9::FSQRTQ, false, true, 0 },
//{ V9::FCMP{LE,GT,NE,EQ}, false, true, 0 },
- // Instructions that introduce bubbles
-//{ V9::MULScc, true, true, 2 },
-//{ V9::SMULcc, true, true, (4+18)/2 },
-//{ V9::UMULcc, true, true, (4+19)/2 },
- { V9::SDIVXr, true, true, 68 },
- { V9::SDIVXi, true, true, 68 },
- { V9::UDIVXr, true, true, 68 },
- { V9::UDIVXi, true, true, 68 },
-//{ V9::SDIVcc, true, true, 36 },
-//{ V9::UDIVcc, true, true, 37 },
- { V9::WRCCRr, true, true, 4 },
- { V9::WRCCRi, true, true, 4 },
-//{ V9::WRPR, true, true, 4 },
-//{ V9::RDCCR, true, true, 0 }, // no bubbles after, but see below
-//{ V9::RDPR, true, true, 0 },
+ // Instructions that introduce bubbles
+//{ V9::MULScc, true, true, 2 },
+//{ V9::SMULcc, true, true, (4+18)/2 },
+//{ V9::UMULcc, true, true, (4+19)/2 },
+ { V9::SDIVXr, true, true, 68 },
+ { V9::SDIVXi, true, true, 68 },
+ { V9::UDIVXr, true, true, 68 },
+ { V9::UDIVXi, true, true, 68 },
+//{ V9::SDIVcc, true, true, 36 },
+//{ V9::UDIVcc, true, true, 37 },
+ { V9::WRCCRr, true, true, 4 },
+ { V9::WRCCRi, true, true, 4 },
+//{ V9::WRPR, true, true, 4 },
+//{ V9::RDCCR, true, true, 0 }, // no bubbles after, but see below
+//{ V9::RDPR, true, true, 0 },
};
SparcV9SchedInfo::SparcV9SchedInfo(const TargetMachine& tgt)
: TargetSchedInfo(tgt,
(unsigned int) SPARC_NUM_SCHED_CLASSES,
- SparcV9RUsageDesc,
- SparcV9InstrUsageDeltas,
- SparcV9InstrIssueDeltas,
- sizeof(SparcV9InstrUsageDeltas)/sizeof(InstrRUsageDelta),
- sizeof(SparcV9InstrIssueDeltas)/sizeof(InstrIssueDelta))
+ SparcV9RUsageDesc,
+ SparcV9InstrUsageDeltas,
+ SparcV9InstrIssueDeltas,
+ sizeof(SparcV9InstrUsageDeltas)/sizeof(InstrRUsageDelta),
+ sizeof(SparcV9InstrIssueDeltas)/sizeof(InstrIssueDelta))
{
maxNumIssueTotal = 4;
- longestIssueConflict = 0; // computed from issuesGaps[]
+ longestIssueConflict = 0; // computed from issuesGaps[]
// must be called after above parameters are initialized.
initializeResources();