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author | Ali Saidi <Ali.Saidi@ARM.com> | 2011-04-04 11:42:27 -0500 |
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committer | Ali Saidi <Ali.Saidi@ARM.com> | 2011-04-04 11:42:27 -0500 |
commit | be096f91b94ded36f43dd7d547a5671f99a264b1 (patch) | |
tree | 85442361558d1123c441538a173dabc9a3fa0a6c /src/arch/arm/isa/templates/mem.isa | |
parent | 55920a5ca73ded58762f1b7ae25c8cfe8c9e407d (diff) | |
download | gem5-be096f91b94ded36f43dd7d547a5671f99a264b1.tar.xz |
ARM: Tag appropriate instructions as IsReturn
Diffstat (limited to 'src/arch/arm/isa/templates/mem.isa')
-rw-r--r-- | src/arch/arm/isa/templates/mem.isa | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/arch/arm/isa/templates/mem.isa b/src/arch/arm/isa/templates/mem.isa index dcfd47ace..f26ee55e8 100644 --- a/src/arch/arm/isa/templates/mem.isa +++ b/src/arch/arm/isa/templates/mem.isa @@ -1188,7 +1188,9 @@ def template LoadRegConstructor {{ (IntRegIndex)_index) { %(constructor)s; + bool conditional = false; if (!(condCode == COND_AL || condCode == COND_UC)) { + conditional = true; for (int x = 0; x < _numDestRegs; x++) { _srcRegIdx[_numSrcRegs++] = _destRegIdx[x]; } @@ -1204,6 +1206,12 @@ def template LoadRegConstructor {{ uops[1] = new %(wb_decl)s; uops[1]->setDelayedCommit(); uops[2] = new MicroUopRegMov(machInst, INTREG_PC, INTREG_UREG0); + uops[2]->setFlag(StaticInst::IsControl); + uops[2]->setFlag(StaticInst::IsIndirectControl); + if (conditional) + uops[2]->setFlag(StaticInst::IsCondControl); + else + uops[2]->setFlag(StaticInst::IsUncondControl); uops[2]->setLastMicroop(); } else if(_dest == _index) { IntRegIndex wbIndexReg = INTREG_UREG0; @@ -1234,7 +1242,9 @@ def template LoadImmConstructor {{ (IntRegIndex)_dest, (IntRegIndex)_base, _add, _imm) { %(constructor)s; + bool conditional = false; if (!(condCode == COND_AL || condCode == COND_UC)) { + conditional = true; for (int x = 0; x < _numDestRegs; x++) { _srcRegIdx[_numSrcRegs++] = _destRegIdx[x]; } @@ -1249,6 +1259,14 @@ def template LoadImmConstructor {{ uops[1] = new %(wb_decl)s; uops[1]->setDelayedCommit(); uops[2] = new MicroUopRegMov(machInst, INTREG_PC, INTREG_UREG0); + uops[2]->setFlag(StaticInst::IsControl); + uops[2]->setFlag(StaticInst::IsIndirectControl); + if (conditional) + uops[2]->setFlag(StaticInst::IsCondControl); + else + uops[2]->setFlag(StaticInst::IsUncondControl); + if (_base == INTREG_SP && _add && _imm == 4 && %(is_ras_pop)s) + uops[2]->setFlag(StaticInst::IsReturn); uops[2]->setLastMicroop(); } else { uops[0] = new %(acc_name)s(machInst, _dest, _base, _add, _imm); |