diff options
author | José Fonseca <[email protected]> | 2008-02-18 20:05:06 +0900 |
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committer | José Fonseca <[email protected]> | 2008-02-18 20:05:06 +0900 |
commit | 3f3b09d6d86cfd277c5837d15466ee703897aa3d (patch) | |
tree | 61d639bac7f5542e907ad1d5560713ed786172b8 /src/gallium/auxiliary/gallivm/instructionssoa.cpp | |
parent | 687a8b96ef13658bbe779d0011ce1144844f1972 (diff) |
Rename llvm -> gallivm.
Following the directory == library name policy simplifies the build system.
Diffstat (limited to 'src/gallium/auxiliary/gallivm/instructionssoa.cpp')
-rw-r--r-- | src/gallium/auxiliary/gallivm/instructionssoa.cpp | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/gallivm/instructionssoa.cpp b/src/gallium/auxiliary/gallivm/instructionssoa.cpp new file mode 100644 index 00000000000..a4d50466373 --- /dev/null +++ b/src/gallium/auxiliary/gallivm/instructionssoa.cpp @@ -0,0 +1,121 @@ +#include "instructionssoa.h" + +#include "storagesoa.h" + +#include <llvm/Constants.h> + +using namespace llvm; + +InstructionsSoa::InstructionsSoa(llvm::Module *mod, llvm::Function *func, + llvm::BasicBlock *block, StorageSoa *storage) + : m_builder(block), + m_storage(storage), + m_idx(0) +{ +} + +const char * InstructionsSoa::name(const char *prefix) const +{ + ++m_idx; + snprintf(m_name, 32, "%s%d", prefix, m_idx); + return m_name; +} + +llvm::Value * InstructionsSoa::vectorFromVals(llvm::Value *x, llvm::Value *y, + llvm::Value *z, llvm::Value *w) +{ + VectorType *vectorType = VectorType::get(Type::FloatTy, 4); + Constant *constVector = Constant::getNullValue(vectorType); + Value *res = m_builder.CreateInsertElement(constVector, x, + m_storage->constantInt(0), + name("vecx")); + res = m_builder.CreateInsertElement(res, y, m_storage->constantInt(1), + name("vecxy")); + res = m_builder.CreateInsertElement(res, z, m_storage->constantInt(2), + name("vecxyz")); + if (w) + res = m_builder.CreateInsertElement(res, w, m_storage->constantInt(3), + name("vecxyzw")); + return res; +} + +std::vector<llvm::Value*> InstructionsSoa::arl(const std::vector<llvm::Value*> in) +{ + std::vector<llvm::Value*> res(4); + + //Extract x's + llvm::Value *x1 = m_builder.CreateExtractElement(in[0], + m_storage->constantInt(0), + name("extractX")); + //cast it to an unsigned int + x1 = m_builder.CreateFPToUI(x1, IntegerType::get(32), name("x1IntCast")); + + res[0] = x1;//vectorFromVals(x1, x2, x3, x4); + //only x is valid. the others shouldn't be necessary + /* + res[1] = Constant::getNullValue(m_floatVecType); + res[2] = Constant::getNullValue(m_floatVecType); + res[3] = Constant::getNullValue(m_floatVecType); + */ + + return res; +} + + +std::vector<llvm::Value*> InstructionsSoa::add(const std::vector<llvm::Value*> in1, + const std::vector<llvm::Value*> in2) +{ + std::vector<llvm::Value*> res(4); + + res[0] = m_builder.CreateAdd(in1[0], in2[0], name("addx")); + res[1] = m_builder.CreateAdd(in1[1], in2[1], name("addy")); + res[2] = m_builder.CreateAdd(in1[2], in2[2], name("addz")); + res[3] = m_builder.CreateAdd(in1[3], in2[3], name("addw")); + + return res; +} + +std::vector<llvm::Value*> InstructionsSoa::mul(const std::vector<llvm::Value*> in1, + const std::vector<llvm::Value*> in2) +{ + std::vector<llvm::Value*> res(4); + + res[0] = m_builder.CreateMul(in1[0], in2[0], name("mulx")); + res[1] = m_builder.CreateMul(in1[1], in2[1], name("muly")); + res[2] = m_builder.CreateMul(in1[2], in2[2], name("mulz")); + res[3] = m_builder.CreateMul(in1[3], in2[3], name("mulw")); + + return res; +} + +void InstructionsSoa::end() +{ + m_builder.CreateRetVoid(); +} + +std::vector<llvm::Value*> InstructionsSoa::madd(const std::vector<llvm::Value*> in1, + const std::vector<llvm::Value*> in2, + const std::vector<llvm::Value*> in3) +{ + std::vector<llvm::Value*> res = mul(in1, in2); + return add(res, in3); +} + +std::vector<llvm::Value*> InstructionsSoa::extractVector(llvm::Value *vector) +{ + std::vector<llvm::Value*> res(4); + res[0] = m_builder.CreateExtractElement(vector, + m_storage->constantInt(0), + name("extract1X")); + res[1] = m_builder.CreateExtractElement(vector, + m_storage->constantInt(1), + name("extract2X")); + res[2] = m_builder.CreateExtractElement(vector, + m_storage->constantInt(2), + name("extract3X")); + res[3] = m_builder.CreateExtractElement(vector, + m_storage->constantInt(3), + name("extract4X")); + + return res; +} |