[Mesa-dev] [PATCH 2/6] nvc0/ir: add emission for SHLADD
Ilia Mirkin
imirkin at alum.mit.edu
Mon Sep 19 22:21:33 UTC 2016
On Mon, Sep 19, 2016 at 6:11 PM, Samuel Pitoiset
<samuel.pitoiset at gmail.com> wrote:
> Unfortunately, we can't use the emit helpers for GF100/GK110
> because src1 and src2 are swapped.
>
> Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
> ---
> .../drivers/nouveau/codegen/nv50_ir_emit_gk110.cpp | 53 ++++++++++++++++++++++
> .../drivers/nouveau/codegen/nv50_ir_emit_gm107.cpp | 32 +++++++++++++
> .../drivers/nouveau/codegen/nv50_ir_emit_nvc0.cpp | 44 ++++++++++++++++++
> 3 files changed, 129 insertions(+)
>
> diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gk110.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gk110.cpp
> index 61c450b..2c4e3a7 100644
> --- a/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gk110.cpp
> +++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gk110.cpp
> @@ -96,6 +96,7 @@ private:
> void emitDMUL(const Instruction *);
> void emitIMAD(const Instruction *);
> void emitISAD(const Instruction *);
> + void emitSHLADD(const Instruction *);
> void emitFMAD(const Instruction *);
> void emitDMAD(const Instruction *);
> void emitMADSP(const Instruction *i);
> @@ -757,6 +758,55 @@ CodeEmitterGK110::emitISAD(const Instruction *i)
> }
>
> void
> +CodeEmitterGK110::emitSHLADD(const Instruction *i)
> +{
> + uint8_t addOp =
> + (i->src(2).mod.neg() << 1) | (i->src(0).mod.neg() ^ i->src(1).mod.neg());
> + const ImmediateValue *imm = i->src(1).get()->asImm();
> + assert(imm);
> +
> + if (i->src(2).getFile() == FILE_IMMEDIATE) {
> + code[0] = 0x1;
> + code[1] = 0xc0c << 20;
> + } else {
> + code[0] = 0x2;
> + code[1] = 0x20c << 20;
> + }
> + code[1] |= addOp << 19;
> +
> + emitPredicate(i);
> +
> + defId(i->def(0), 2);
> + srcId(i->src(0), 10);
> +
> + if (i->flagsDef >= 0)
> + code[1] |= 1 << 18;
> +
> + assert(!(imm->reg.data.u32 & 0xffffffe0));
> + code[1] |= imm->reg.data.u32 << 10;
> +
> + switch (i->src(2).getFile()) {
> + case FILE_GPR:
> + assert(code[0] & 0x2);
> + code[1] |= 0xc << 28;
> + srcId(i->src(2), 23);
> + break;
> + case FILE_MEMORY_CONST:
> + assert(code[0] & 0x2);
> + code[1] |= 0x4 << 28;
> + setCAddress14(i->src(2));
> + break;
> + case FILE_IMMEDIATE:
> + assert(code[0] & 0x1);
> + setShortImmediate(i, 2);
> + break;
> + default:
> + assert(!"bad src2 file");
> + break;
> + }
> +}
> +
> +void
> CodeEmitterGK110::emitNOT(const Instruction *i)
> {
> code[0] = 0x0003fc02; // logop(mov2) dst, 0, not src
> @@ -2403,6 +2453,9 @@ CodeEmitterGK110::emitInstruction(Instruction *insn)
> case OP_SAD:
> emitISAD(insn);
> break;
> + case OP_SHLADD:
> + emitSHLADD(insn);
> + break;
> case OP_NOT:
> emitNOT(insn);
> break;
> diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gm107.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gm107.cpp
> index cfde66c..973a105 100644
> --- a/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gm107.cpp
> +++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gm107.cpp
> @@ -152,6 +152,7 @@ private:
> void emitIADD();
> void emitIMUL();
> void emitIMAD();
> + void emitSHLADD();
> void emitIMNMX();
> void emitICMP();
> void emitISET();
> @@ -1813,6 +1814,34 @@ CodeEmitterGM107::emitIMAD()
> }
>
> void
> +CodeEmitterGM107::emitSHLADD()
The convention in the GM107 emitter is to use the nvdisasm names here.
So ISCADD.
> +{
> + switch (insn->src(2).getFile()) {
> + case FILE_GPR:
> + emitInsn(0x5c180000);
> + emitGPR (0x14, insn->src(2));
> + break;
> + case FILE_MEMORY_CONST:
> + emitInsn(0x4c180000);
> + emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(2));
> + break;
> + case FILE_IMMEDIATE:
> + emitInsn(0x38180000);
> + emitIMMD(0x14, 19, insn->src(2));
> + break;
> + default:
> + assert(!"bad src1 file");
> + break;
> + }
> + emitNEG (0x31, insn->src(0));
> + emitNEG (0x30, insn->src(2));
> + emitCC (0x2f);
> + emitIMMD(0x27, 5, insn->src(1));
> + emitGPR (0x08, insn->src(0));
> + emitGPR (0x00, insn->def(0));
> +}
> +
> +void
> CodeEmitterGM107::emitIMNMX()
> {
> switch (insn->src(1).getFile()) {
> @@ -3098,6 +3127,9 @@ CodeEmitterGM107::emitInstruction(Instruction *i)
> emitIMAD();
> }
> break;
> + case OP_SHLADD:
> + emitSHLADD();
> + break;
> case OP_MIN:
> case OP_MAX:
> if (isFloatType(insn->dType)) {
> diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_nvc0.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_nvc0.cpp
> index d8ca6ab..c874b86 100644
> --- a/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_nvc0.cpp
> +++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_nvc0.cpp
> @@ -101,6 +101,7 @@ private:
> void emitDMUL(const Instruction *);
> void emitIMAD(const Instruction *);
> void emitISAD(const Instruction *);
> + void emitSHLADD(const Instruction *a);
> void emitFMAD(const Instruction *);
> void emitDMAD(const Instruction *);
> void emitMADSP(const Instruction *);
> @@ -759,6 +760,46 @@ CodeEmitterNVC0::emitIMAD(const Instruction *i)
> }
>
> void
> +CodeEmitterNVC0::emitSHLADD(const Instruction *i)
> +{
> + uint8_t addOp =
> + (i->src(2).mod.neg() << 1) | (i->src(0).mod.neg() ^ i->src(1).mod.neg());
> + const ImmediateValue *imm = i->src(1).get()->asImm();
> + assert(imm);
> +
> + code[0] = 0x00000003;
> + code[1] = 0x40000000 | addOp << 23;
> +
> + emitPredicate(i);
> +
> + defId(i->def(0), 14);
> + srcId(i->src(0), 20);
> +
> + if (i->flagsDef >= 0)
> + code[1] |= 1 << 16;
> +
> + assert(!(imm->reg.data.u32 & 0xffffffe0));
> + code[0] |= imm->reg.data.u32 << 5;
> +
> + switch (i->src(2).getFile()) {
> + case FILE_GPR:
> + srcId(i->src(2), 26);
> + break;
> + case FILE_MEMORY_CONST:
> + code[1] |= 0x4000;
> + code[1] |= i->getSrc(2)->reg.fileIndex << 10;
> + setAddress16(i->src(2));
> + break;
> + case FILE_IMMEDIATE:
> + setImmediate(i, 2);
> + break;
> + default:
> + assert(!"bad src2 file");
> + break;
> + }
> +}
> +
> +void
> CodeEmitterNVC0::emitMADSP(const Instruction *i)
> {
> assert(targ->getChipset() >= NVISA_GK104_CHIPSET);
> @@ -2603,6 +2644,9 @@ CodeEmitterNVC0::emitInstruction(Instruction *insn)
> case OP_SAD:
> emitISAD(insn);
> break;
> + case OP_SHLADD:
> + emitSHLADD(insn);
> + break;
> case OP_NOT:
> emitNOT(insn);
> break;
> --
> 2.10.0
>
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