Matthew Poremba has submitted this change. (
https://gem5-review.googlesource.com/c/public/gem5/+/67078?usp=email )
Change subject: arch-vega: Implement ds_write2st64_b64
......................................................................
arch-vega: Implement ds_write2st64_b64
Write two qwords at offsets multiplied by 8 * 64 bytes.
Change-Id: I0d0e05f3e848c2fd02d32095e32b7f023bd8803b
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/67078
Reviewed-by: Matt Sinclair <mattdsincl...@gmail.com>
Tested-by: kokoro <noreply+kok...@google.com>
Maintainer: Matt Sinclair <mattdsincl...@gmail.com>
---
M src/arch/amdgpu/vega/insts/instructions.cc
M src/arch/amdgpu/vega/insts/instructions.hh
2 files changed, 62 insertions(+), 1 deletion(-)
Approvals:
Matt Sinclair: Looks good to me, approved; Looks good to me, approved
kokoro: Regressions pass
diff --git a/src/arch/amdgpu/vega/insts/instructions.cc
b/src/arch/amdgpu/vega/insts/instructions.cc
index 4b27afa..6cf01fb 100644
--- a/src/arch/amdgpu/vega/insts/instructions.cc
+++ b/src/arch/amdgpu/vega/insts/instructions.cc
@@ -36595,8 +36595,52 @@
void
Inst_DS__DS_WRITE2ST64_B64::execute(GPUDynInstPtr gpuDynInst)
{
- panicUnimplemented();
+ Wavefront *wf = gpuDynInst->wavefront();
+
+ if (gpuDynInst->exec_mask.none()) {
+ wf->decLGKMInstsIssued();
+ return;
+ }
+
+ gpuDynInst->execUnitId = wf->execUnitId;
+ gpuDynInst->latency.init(gpuDynInst->computeUnit());
+ gpuDynInst->latency.set(
+ gpuDynInst->computeUnit()->cyclesToTicks(Cycles(24)));
+ ConstVecOperandU32 addr(gpuDynInst, extData.ADDR);
+ ConstVecOperandU64 data0(gpuDynInst, extData.DATA0);
+ ConstVecOperandU64 data1(gpuDynInst, extData.DATA1);
+
+ addr.read();
+ data0.read();
+ data1.read();
+
+ calcAddr(gpuDynInst, addr);
+
+ for (int lane = 0; lane < NumVecElemPerVecReg; ++lane) {
+ if (gpuDynInst->exec_mask[lane]) {
+ (reinterpret_cast<VecElemU64*>(
+ gpuDynInst->d_data))[lane * 2] = data0[lane];
+ (reinterpret_cast<VecElemU64*>(
+ gpuDynInst->d_data))[lane * 2 + 1] = data1[lane];
+ }
+ }
+
+
gpuDynInst->computeUnit()->localMemoryPipe.issueRequest(gpuDynInst);
} // execute
+
+ void
+ Inst_DS__DS_WRITE2ST64_B64::initiateAcc(GPUDynInstPtr gpuDynInst)
+ {
+ Addr offset0 = instData.OFFSET0 * 8 * 64;
+ Addr offset1 = instData.OFFSET1 * 8 * 64;
+
+ initDualMemWrite<VecElemU64>(gpuDynInst, offset0, offset1);
+ }
+
+ void
+ Inst_DS__DS_WRITE2ST64_B64::completeAcc(GPUDynInstPtr gpuDynInst)
+ {
+ }
// --- Inst_DS__DS_CMPST_B64 class methods ---
Inst_DS__DS_CMPST_B64::Inst_DS__DS_CMPST_B64(InFmt_DS *iFmt)
diff --git a/src/arch/amdgpu/vega/insts/instructions.hh
b/src/arch/amdgpu/vega/insts/instructions.hh
index 9f017f9..2896732 100644
--- a/src/arch/amdgpu/vega/insts/instructions.hh
+++ b/src/arch/amdgpu/vega/insts/instructions.hh
@@ -33572,6 +33572,8 @@
} // getOperandSize
void execute(GPUDynInstPtr) override;
+ void initiateAcc(GPUDynInstPtr) override;
+ void completeAcc(GPUDynInstPtr) override;
}; // Inst_DS__DS_WRITE2ST64_B64
class Inst_DS__DS_CMPST_B64 : public Inst_DS
--
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Gerrit-Project: public/gem5
Gerrit-Branch: develop
Gerrit-Change-Id: I0d0e05f3e848c2fd02d32095e32b7f023bd8803b
Gerrit-Change-Number: 67078
Gerrit-PatchSet: 3
Gerrit-Owner: Matthew Poremba <matthew.pore...@amd.com>
Gerrit-Reviewer: Matt Sinclair <mattdsincl...@gmail.com>
Gerrit-Reviewer: Matthew Poremba <matthew.pore...@amd.com>
Gerrit-Reviewer: kokoro <noreply+kok...@google.com>
Gerrit-MessageType: merged
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