Kyle Roarty has submitted this change. (
https://gem5-review.googlesource.com/c/public/gem5/+/37476 )
Change subject: arch-gcn3: Implement flat_load_sbyte instruction
..
arch-gcn3: Implement flat_load_sbyte instruction
Change-Id: I3aa7547a393b9ecb4b3d4d107394c54d690a0ac2
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/37476
Reviewed-by: Matt Sinclair
Reviewed-by: Matthew Poremba
Maintainer: Matt Sinclair
Tested-by: kokoro
---
M src/arch/gcn3/insts/instructions.cc
1 file changed, 45 insertions(+), 1 deletion(-)
Approvals:
Matthew Poremba: Looks good to me, approved
Matt Sinclair: Looks good to me, but someone else must approve; Looks
good to me, approved
kokoro: Regressions pass
diff --git a/src/arch/gcn3/insts/instructions.cc
b/src/arch/gcn3/insts/instructions.cc
index 64f0c36..93fc142 100644
--- a/src/arch/gcn3/insts/instructions.cc
+++ b/src/arch/gcn3/insts/instructions.cc
@@ -39497,17 +39497,61 @@
void
Inst_FLAT__FLAT_LOAD_SBYTE::execute(GPUDynInstPtr gpuDynInst)
{
-panicUnimplemented();
+Wavefront *wf = gpuDynInst->wavefront();
+
+if (wf->execMask().none()) {
+wf->decVMemInstsIssued();
+wf->decLGKMInstsIssued();
+wf->rdGmReqsInPipe--;
+wf->rdLmReqsInPipe--;
+gpuDynInst->exec_mask = wf->execMask();
+wf->computeUnit->vrf[wf->simdId]->
+scheduleWriteOperandsFromLoad(wf, gpuDynInst);
+return;
+}
+
+gpuDynInst->execUnitId = wf->execUnitId;
+gpuDynInst->exec_mask = gpuDynInst->wavefront()->execMask();
+gpuDynInst->latency.init(gpuDynInst->computeUnit());
+gpuDynInst->latency.set(gpuDynInst->computeUnit()->clockPeriod());
+
+ConstVecOperandU64 addr(gpuDynInst, extData.ADDR);
+
+addr.read();
+
+calcAddr(gpuDynInst, addr);
+
+if (gpuDynInst->executedAs() == Enums::SC_GLOBAL) {
+gpuDynInst->computeUnit()->globalMemoryPipe
+.issueRequest(gpuDynInst);
+wf->rdGmReqsInPipe--;
+wf->outstandingReqsRdGm++;
+} else {
+fatal("Non global flat instructions not implemented yet.\n");
+}
+
+gpuDynInst->wavefront()->outstandingReqs++;
+gpuDynInst->wavefront()->validateRequestCounters();
}
void
Inst_FLAT__FLAT_LOAD_SBYTE::initiateAcc(GPUDynInstPtr gpuDynInst)
{
+initMemRead(gpuDynInst);
} // initiateAcc
void
Inst_FLAT__FLAT_LOAD_SBYTE::completeAcc(GPUDynInstPtr gpuDynInst)
{
+VecOperandI32 vdst(gpuDynInst, extData.VDST);
+
+for (int lane = 0; lane < NumVecElemPerVecReg; ++lane) {
+if (gpuDynInst->exec_mask[lane]) {
+vdst[lane] = (VecElemI32)((reinterpret_cast(
+gpuDynInst->d_data))[lane]);
+}
+}
+vdst.write();
}
Inst_FLAT__FLAT_LOAD_USHORT::Inst_FLAT__FLAT_LOAD_USHORT(InFmt_FLAT
*iFmt)
--
To view, visit https://gem5-review.googlesource.com/c/public/gem5/+/37476
To unsubscribe, or for help writing mail filters, visit
https://gem5-review.googlesource.com/settings
Gerrit-Project: public/gem5
Gerrit-Branch: develop
Gerrit-Change-Id: I3aa7547a393b9ecb4b3d4d107394c54d690a0ac2
Gerrit-Change-Number: 37476
Gerrit-PatchSet: 2
Gerrit-Owner: Kyle Roarty
Gerrit-Reviewer: Alexandru Duțu
Gerrit-Reviewer: Kyle Roarty
Gerrit-Reviewer: Matt Sinclair
Gerrit-Reviewer: Matthew Poremba
Gerrit-Reviewer: kokoro
Gerrit-CC: Anthony Gutierrez
Gerrit-MessageType: merged
___
gem5-dev mailing list -- gem5-dev@gem5.org
To unsubscribe send an email to gem5-dev-le...@gem5.org
%(web_page_url)slistinfo%(cgiext)s/%(_internal_name)s
