[Beignet] [Patch V4 2/3] KBL: add kabylake backend support.
Yang Rong
rong.r.yang at intel.com
Tue Aug 16 09:08:13 UTC 2016
Kabylake is almost same as skylake, derived it from GEN9.
v3: correct KBL disasm and bin generate.
v4: KBL is also gen9.
Signed-off-by: Yang Rong <rong.r.yang at intel.com>
---
backend/src/backend/gen9_context.cpp | 4 ++++
backend/src/backend/gen9_context.hpp | 15 ++++++++++++++-
backend/src/backend/gen_insn_selection.cpp | 10 ++++++++++
backend/src/backend/gen_insn_selection.hpp | 7 +++++++
backend/src/backend/gen_program.cpp | 13 +++++++++++--
5 files changed, 46 insertions(+), 3 deletions(-)
diff --git a/backend/src/backend/gen9_context.cpp b/backend/src/backend/gen9_context.cpp
index 47b1496..dc05756 100644
--- a/backend/src/backend/gen9_context.cpp
+++ b/backend/src/backend/gen9_context.cpp
@@ -165,4 +165,8 @@ namespace gbe
p->pop();
}
+ void KblContext::newSelection(void) {
+ this->sel = GBE_NEW(SelectionKbl, *this);
+ }
+
}
diff --git a/backend/src/backend/gen9_context.hpp b/backend/src/backend/gen9_context.hpp
index a2931cc..2f24b56 100644
--- a/backend/src/backend/gen9_context.hpp
+++ b/backend/src/backend/gen9_context.hpp
@@ -27,7 +27,7 @@
namespace gbe
{
- /* This class is used to implement the HSW
+ /* This class is used to implement the skylake
specific logic for context. */
class Gen9Context : public Gen8Context
{
@@ -68,5 +68,18 @@ namespace gbe
virtual void calculateFullU64MUL(GenRegister src0, GenRegister src1, GenRegister dst_h,
GenRegister dst_l, GenRegister s0l_s1h, GenRegister s0h_s1l);
};
+ /* This class is used to implement the kabylake
+ specific logic for context. */
+ class KblContext : public Gen9Context
+ {
+ public:
+ virtual ~KblContext(void) { };
+ KblContext(const ir::Unit &unit, const std::string &name, uint32_t deviceID, bool relaxMath = false)
+ : Gen9Context(unit, name, deviceID, relaxMath) {
+ };
+
+ private:
+ virtual void newSelection(void);
+ };
}
#endif /* __GBE_GEN9_CONTEXT_HPP__ */
diff --git a/backend/src/backend/gen_insn_selection.cpp b/backend/src/backend/gen_insn_selection.cpp
index e342161..6ab8316 100644
--- a/backend/src/backend/gen_insn_selection.cpp
+++ b/backend/src/backend/gen_insn_selection.cpp
@@ -2523,6 +2523,16 @@ extern bool OCL_DEBUGINFO; // first defined by calling BVAR in program.cpp
opt_features = SIOF_LOGICAL_SRCMOD | SIOF_OP_MOV_LONG_REG_RESTRICT;
}
+ SelectionKbl::SelectionKbl(GenContext &ctx) : Selection(ctx) {
+ this->opaque->setHas32X32Mul(true);
+ this->opaque->setHasLongType(true);
+ this->opaque->setHasDoubleType(true);
+ this->opaque->setLdMsgOrder(LD_MSG_ORDER_SKL);
+ this->opaque->setSlowByteGather(false);
+ this->opaque->setHasHalfType(true);
+ opt_features = SIOF_LOGICAL_SRCMOD;
+ }
+
void Selection::Opaque::TYPED_WRITE(GenRegister *msgs, uint32_t msgNum,
uint32_t bti, bool is3D) {
uint32_t elemID = 0;
diff --git a/backend/src/backend/gen_insn_selection.hpp b/backend/src/backend/gen_insn_selection.hpp
index b481de8..5e28ec9 100644
--- a/backend/src/backend/gen_insn_selection.hpp
+++ b/backend/src/backend/gen_insn_selection.hpp
@@ -355,6 +355,13 @@ namespace gbe
SelectionBxt(GenContext &ctx);
};
+ class SelectionKbl : public Selection
+ {
+ public:
+ /*! Initialize internal structures used for the selection */
+ SelectionKbl(GenContext &ctx);
+ };
+
} /* namespace gbe */
#endif /* __GEN_INSN_SELECTION_HPP__ */
diff --git a/backend/src/backend/gen_program.cpp b/backend/src/backend/gen_program.cpp
index ade0157..32f7794 100644
--- a/backend/src/backend/gen_program.cpp
+++ b/backend/src/backend/gen_program.cpp
@@ -186,6 +186,8 @@ namespace gbe {
ctx = GBE_NEW(Gen9Context, unit, name, deviceID, relaxMath);
} else if (IS_BROXTON(deviceID)) {
ctx = GBE_NEW(BxtContext, unit, name, deviceID, relaxMath);
+ } else if (IS_KABYLAKE(deviceID)) {
+ ctx = GBE_NEW(KblContext, unit, name, deviceID, relaxMath);
}
GBE_ASSERTM(ctx != NULL, "Fail to create the gen context\n");
@@ -239,6 +241,7 @@ namespace gbe {
GBHI_BDW = 4,
GBHI_SKL = 5,
GBHI_BXT = 6,
+ GBHI_KBL = 7,
GBHI_MAX,
};
#define GEN_BINARY_VERSION 1
@@ -249,7 +252,8 @@ namespace gbe {
{GEN_BINARY_VERSION, 'G','E', 'N', 'C', 'C', 'H', 'V'},
{GEN_BINARY_VERSION, 'G','E', 'N', 'C', 'B', 'D', 'W'},
{GEN_BINARY_VERSION, 'G','E', 'N', 'C', 'S', 'K', 'L'},
- {GEN_BINARY_VERSION, 'G','E', 'N', 'C', 'B', 'X', 'T'}
+ {GEN_BINARY_VERSION, 'G','E', 'N', 'C', 'B', 'X', 'T'},
+ {GEN_BINARY_VERSION, 'G','E', 'N', 'C', 'K', 'B', 'T'}
};
#define FILL_GEN_HEADER(binary, index) do {int i = 0; do {*(binary+i) = gen_binary_header[index][i]; i++; }while(i < GEN_BINARY_HEADER_LENGTH);}while(0)
@@ -260,6 +264,7 @@ namespace gbe {
#define FILL_BDW_HEADER(binary) FILL_GEN_HEADER(binary, GBHI_BDW)
#define FILL_SKL_HEADER(binary) FILL_GEN_HEADER(binary, GBHI_SKL)
#define FILL_BXT_HEADER(binary) FILL_GEN_HEADER(binary, GBHI_BXT)
+#define FILL_KBL_HEADER(binary) FILL_GEN_HEADER(binary, GBHI_KBL)
static bool genHeaderCompare(const unsigned char *BufPtr, GEN_BINARY_HEADER_INDEX index)
{
@@ -284,6 +289,7 @@ namespace gbe {
#define MATCH_BDW_HEADER(binary) genHeaderCompare(binary, GBHI_BDW)
#define MATCH_SKL_HEADER(binary) genHeaderCompare(binary, GBHI_SKL)
#define MATCH_BXT_HEADER(binary) genHeaderCompare(binary, GBHI_BXT)
+#define MATCH_KBL_HEADER(binary) genHeaderCompare(binary, GBHI_KBL)
#define MATCH_DEVICE(deviceID, binary) ((IS_IVYBRIDGE(deviceID) && MATCH_IVB_HEADER(binary)) || \
(IS_IVYBRIDGE(deviceID) && MATCH_IVB_HEADER(binary)) || \
@@ -292,7 +298,8 @@ namespace gbe {
(IS_BROADWELL(deviceID) && MATCH_BDW_HEADER(binary)) || \
(IS_CHERRYVIEW(deviceID) && MATCH_CHV_HEADER(binary)) || \
(IS_SKYLAKE(deviceID) && MATCH_SKL_HEADER(binary)) || \
- (IS_BROXTON(deviceID) && MATCH_BXT_HEADER(binary)) \
+ (IS_BROXTON(deviceID) && MATCH_BXT_HEADER(binary)) || \
+ (IS_KABYLAKE(deviceID) && MATCH_KBL_HEADER(binary)) \
)
static gbe_program genProgramNewFromBinary(uint32_t deviceID, const char *binary, size_t size) {
@@ -392,6 +399,8 @@ namespace gbe {
FILL_SKL_HEADER(*binary);
}else if(IS_BROXTON(prog->deviceID)){
FILL_BXT_HEADER(*binary);
+ }else if(IS_KABYLAKE(prog->deviceID)){
+ FILL_KBL_HEADER(*binary);
}else {
free(*binary);
*binary = NULL;
--
2.1.4
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