Split the source immediate value into two new values and create OP_MOV instructions the two newly created values.
Signed-off-by: Tobias Klausmann <[email protected]> --- .../drivers/nouveau/codegen/nv50_ir_peephole.cpp | 23 ++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp index 74a5a85..fdddd71 100644 --- a/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp +++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp @@ -920,6 +920,29 @@ ConstantFolding::opnd(Instruction *i, ImmediateValue &imm0, int s) Instruction *newi = i; switch (i->op) { + case OP_SPLIT: { + uint16_t shift = 0; + DataType type = TYPE_NONE; + bld.setPosition(i, false); + if (i->sType == TYPE_U64 || i->sType == TYPE_S64) { + shift = 32; + type = (i->sType == TYPE_U64) ? TYPE_U32 : TYPE_S32; + } + if (i->sType == TYPE_U32 || i->sType == TYPE_S32) { + shift = 16; + type = (i->sType == TYPE_U32) ? TYPE_U16 : TYPE_S16; + } + if (i->sType == TYPE_U16 || i->sType == TYPE_S16) { + shift = 8; + type = (i->sType == TYPE_U16) ? TYPE_U8 : TYPE_S8; + } + if (type != TYPE_NONE) { + bld.mkMov(i->getDef(0), bld.mkImm(imm0.reg.data.u64 >> shift), type); + bld.mkMov(i->getDef(1), bld.mkImm(imm0.reg.data.u64), type); + delete_Instruction(prog, i); + } + } + break; case OP_MUL: if (i->dType == TYPE_F32) tryCollapseChainedMULs(i, s, imm0); -- 2.10.0 _______________________________________________ Nouveau mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/nouveau
