Anthony Gutierrez has submitted this change. (
https://gem5-review.googlesource.com/c/public/gem5/+/29919 )
Change subject: arch-gcn3: Implement instruction v_div_scale_f32
......................................................................
arch-gcn3: Implement instruction v_div_scale_f32
Instruction v_div_scale_f32 was unimplemented, the
implementation was added by mimicking v_div_scale_f64.
Change-Id: I89cdfd02ab01b5936de0e9f6c41e7f3fc4f10ae1
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/29919
Reviewed-by: Anthony Gutierrez <anthony.gutier...@amd.com>
Reviewed-by: Xianwei Zhang <xianwei.zh...@amd.com>
Maintainer: Anthony Gutierrez <anthony.gutier...@amd.com>
Tested-by: kokoro <noreply+kok...@google.com>
---
M src/arch/gcn3/insts/instructions.cc
1 file changed, 34 insertions(+), 2 deletions(-)
Approvals:
Anthony Gutierrez: Looks good to me, approved; Looks good to me, approved
Xianwei Zhang: 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 8d63296..bd6e4f4 100644
--- a/src/arch/gcn3/insts/instructions.cc
+++ b/src/arch/gcn3/insts/instructions.cc
@@ -28746,8 +28746,40 @@
void
Inst_VOP3__V_DIV_SCALE_F32::execute(GPUDynInstPtr gpuDynInst)
{
- panicUnimplemented();
- }
+ Wavefront *wf = gpuDynInst->wavefront();
+ ConstVecOperandF32 src0(gpuDynInst, extData.SRC0);
+ ConstVecOperandF32 src1(gpuDynInst, extData.SRC1);
+ ConstVecOperandF32 src2(gpuDynInst, extData.SRC2);
+ ScalarOperandU64 vcc(gpuDynInst, instData.SDST);
+ VecOperandF32 vdst(gpuDynInst, instData.VDST);
+
+ src0.readSrc();
+ src1.readSrc();
+ src2.readSrc();
+
+ if (extData.NEG & 0x1) {
+ src0.negModifier();
+ }
+
+ if (extData.NEG & 0x2) {
+ src1.negModifier();
+ }
+
+ if (extData.NEG & 0x4) {
+ src2.negModifier();
+ }
+
+ for (int lane = 0; lane < NumVecElemPerVecReg; ++lane) {
+ if (wf->execMask(lane)) {
+ vdst[lane] = src0[lane];
+ vcc.setBit(lane, 0);
+ }
+ }
+
+ vcc.write();
+ vdst.write();
+ } // execute
+ // --- Inst_VOP3__V_DIV_SCALE_F64 class methods ---
Inst_VOP3__V_DIV_SCALE_F64::Inst_VOP3__V_DIV_SCALE_F64(
InFmt_VOP3_SDST_ENC *iFmt)
--
To view, visit https://gem5-review.googlesource.com/c/public/gem5/+/29919
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Gerrit-Project: public/gem5
Gerrit-Branch: develop
Gerrit-Change-Id: I89cdfd02ab01b5936de0e9f6c41e7f3fc4f10ae1
Gerrit-Change-Number: 29919
Gerrit-PatchSet: 6
Gerrit-Owner: Anthony Gutierrez <anthony.gutier...@amd.com>
Gerrit-Reviewer: Anthony Gutierrez <anthony.gutier...@amd.com>
Gerrit-Reviewer: Tony Gutierrez <anthony.gutier...@amd.com>
Gerrit-Reviewer: Tuan Ta <q...@cornell.edu>
Gerrit-Reviewer: Xianwei Zhang <xianwei.zh...@amd.com>
Gerrit-Reviewer: kokoro <noreply+kok...@google.com>
Gerrit-MessageType: merged
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