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inorder: use separate float-reg bits function in dyninst

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this will make sure we get the correct view of a FP register
This commit is contained in:
Korey Sewell 2011-06-19 21:43:41 -04:00
parent 8c0def8d03
commit 2dae0e8735
3 changed files with 13 additions and 8 deletions
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4
src/cpu/inorder/inorder_dyn_inst.cc
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@ -500,8 +500,8 @@ InOrderDynInst::setIntRegOperand(const StaticInst *si, int idx, IntReg val)
void
InOrderDynInst::setFloatRegOperand(const StaticInst *si, int idx, FloatReg val)
{
instResult[idx].res.fpVal.f = val;
instResult[idx].type = Float;
instResult[idx].res.fpVal.f = val;
instResult[idx].tick = curTick();
DPRINTF(InOrderDynInst, "[tid:%i]: [sn:%i] Result Float Reg. %i "
@ -514,7 +514,7 @@ void
InOrderDynInst::setFloatRegOperandBits(const StaticInst *si, int idx,
FloatRegBits val)
{
instResult[idx].type = Integer;
instResult[idx].type = FloatBits;
instResult[idx].res.fpVal.i = val;
instResult[idx].tick = curTick();

10
src/cpu/inorder/inorder_dyn_inst.hh
View file

@ -213,6 +213,7 @@ class InOrderDynInst : public FastAlloc, public RefCounted
None,
Integer,
Float,
FloatBits,
Double
};
@ -889,7 +890,7 @@ class InOrderDynInst : public FastAlloc, public RefCounted
return instResult[idx].type;
}
uint64_t readIntResult(int idx)
IntReg readIntResult(int idx)
{
return instResult[idx].res.intVal;
}
@ -899,9 +900,14 @@ class InOrderDynInst : public FastAlloc, public RefCounted
return instResult[idx].res.fpVal.f;
}
FloatRegBits readFloatBitsResult(int idx)
{
return instResult[idx].res.fpVal.i;
}
Tick readResultTime(int idx) { return instResult[idx].tick; }
uint64_t* getIntResultPtr(int idx) { return &instResult[idx].res.intVal; }
IntReg* getIntResultPtr(int idx) { return &instResult[idx].res.intVal; }
/** This is the interface that an instruction will use to write
* it's destination register.

7
src/cpu/inorder/resources/use_def.cc
View file

@ -404,18 +404,18 @@ UseDefUnit::execute(int slot_idx)
regDepMap[tid]->removeFront(reg_type, flat_idx, inst);
if (inst->resultType(ud_idx) ==
InOrderDynInst::Integer) {
InOrderDynInst::FloatBits) {
DPRINTF(InOrderUseDef, "[tid:%i]: [sn:%i]: Writing FP-Bits "
"Result %08f (bits:0x%x) to register "
"idx %i (%i).\n",
tid, seq_num,
inst->readFloatResult(ud_idx),
inst->readIntResult(ud_idx),
inst->readFloatBitsResult(ud_idx),
reg_idx - FP_Base_DepTag, flat_idx);
// Check for FloatRegBits Here
cpu->setFloatRegBits(flat_idx,
inst->readIntResult(ud_idx),
inst->readFloatBitsResult(ud_idx),
inst->readTid());
} else if (inst->resultType(ud_idx) ==
InOrderDynInst::Float) {
@ -439,7 +439,6 @@ UseDefUnit::execute(int slot_idx)
inst->readIntResult(ud_idx),
reg_idx - FP_Base_DepTag, flat_idx);
// Check for FloatRegBits Here
cpu->setFloatReg(flat_idx,
inst->readFloatResult(ud_idx),
inst->readTid());