Gabe Black has submitted this change. ( https://gem5-review.googlesource.com/c/public/gem5/+/42003 )

Change subject: arch: Delete a few unused vector register types/constants.
......................................................................

arch: Delete a few unused vector register types/constants.

These are used internally in ARM, but dummy versions of them were being
published by all ISAs even though nobody was consuming them.

Change-Id: I93d9e53c503e375a2f901bb6f7f4c00a7cdadb20
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/42003
Reviewed-by: Gabe Black <[email protected]>
Maintainer: Gabe Black <[email protected]>
Tested-by: kokoro <[email protected]>
---
M src/arch/arm/regs/vec.hh
M src/arch/arm/types.hh
M src/arch/generic/vec_pred_reg.hh
M src/arch/generic/vec_reg.hh
M src/arch/mips/vecregs.hh
M src/arch/null/vecregs.hh
M src/arch/power/vecregs.hh
M src/arch/riscv/vecregs.hh
M src/arch/sparc/vecregs.hh
M src/arch/x86/vecregs.hh
10 files changed, 6 insertions(+), 44 deletions(-)

Approvals:
  Gabe Black: Looks good to me, approved; Looks good to me, approved
  kokoro: Regressions pass



diff --git a/src/arch/arm/regs/vec.hh b/src/arch/arm/regs/vec.hh
index a209e52..3bcc390 100644
--- a/src/arch/arm/regs/vec.hh
+++ b/src/arch/arm/regs/vec.hh
@@ -59,9 +59,9 @@
     ::VecRegContainer<NumVecElemPerVecReg * sizeof(VecElem)>;

 using VecPredReg = ::VecPredRegT<VecElem, NumVecElemPerVecReg,
-                                 VecPredRegHasPackedRepr, false>;
+                                 false, false>;
 using ConstVecPredReg = ::VecPredRegT<VecElem, NumVecElemPerVecReg,
-                                      VecPredRegHasPackedRepr, true>;
+                                      false, true>;
 using VecPredRegContainer = VecPredReg::Container;

 // Vec, PredVec
diff --git a/src/arch/arm/types.hh b/src/arch/arm/types.hh
index e802d04..c3e8db9 100644
--- a/src/arch/arm/types.hh
+++ b/src/arch/arm/types.hh
@@ -826,7 +826,6 @@

     constexpr unsigned VecRegSizeBytes = MaxSveVecLenInBytes;
     constexpr unsigned VecPredRegSizeBits = MaxSveVecLenInBytes;
-    constexpr unsigned VecPredRegHasPackedRepr = false;
 } // namespace ArmISA

 #endif
diff --git a/src/arch/generic/vec_pred_reg.hh b/src/arch/generic/vec_pred_reg.hh
index 54228a1..fce2706 100644
--- a/src/arch/generic/vec_pred_reg.hh
+++ b/src/arch/generic/vec_pred_reg.hh
@@ -38,9 +38,11 @@

 #include <array>
 #include <cassert>
+#include <cstdint>
+#include <string>
+#include <type_traits>
 #include <vector>

-#include "arch/generic/vec_reg.hh"
 #include "base/cprintf.hh"
 #include "sim/serialize_handlers.hh"

@@ -387,14 +389,7 @@
/// Dummy type aliases and constants for architectures that do not implement
 /// vector predicate registers.
 /// @{
-constexpr bool DummyVecPredRegHasPackedRepr = false;
-using DummyVecPredReg = VecPredRegT<DummyVecElem, DummyNumVecElemPerVecReg,
-                                    DummyVecPredRegHasPackedRepr, false>;
-using DummyConstVecPredReg = VecPredRegT<DummyVecElem,
-                                         DummyNumVecElemPerVecReg,
- DummyVecPredRegHasPackedRepr, true>;
-using DummyVecPredRegContainer = DummyVecPredReg::Container;
-constexpr size_t DummyVecPredRegSizeBits = 8;
+using DummyVecPredRegContainer = VecPredRegContainer<8, false>;
 /// @}

 #endif  // __ARCH_GENERIC_VEC_PRED_REG_HH__
diff --git a/src/arch/generic/vec_reg.hh b/src/arch/generic/vec_reg.hh
index 070fcfb..d9a764f 100644
--- a/src/arch/generic/vec_reg.hh
+++ b/src/arch/generic/vec_reg.hh
@@ -264,8 +264,6 @@
 constexpr unsigned DummyNumVecElemPerVecReg = 2;
 using DummyVecRegContainer =
     VecRegContainer<DummyNumVecElemPerVecReg * sizeof(DummyVecElem)>;
-constexpr size_t DummyVecRegSizeBytes = DummyNumVecElemPerVecReg *
-    sizeof(DummyVecElem);
 /** @} */

 #endif /* __ARCH_GENERIC_VEC_REG_HH__ */
diff --git a/src/arch/mips/vecregs.hh b/src/arch/mips/vecregs.hh
index 53baf60..752f4c0 100644
--- a/src/arch/mips/vecregs.hh
+++ b/src/arch/mips/vecregs.hh
@@ -40,14 +40,9 @@
 using VecElem = ::DummyVecElem;
 using VecRegContainer = ::DummyVecRegContainer;
 constexpr unsigned NumVecElemPerVecReg = ::DummyNumVecElemPerVecReg;
-constexpr size_t VecRegSizeBytes = ::DummyVecRegSizeBytes;

 // Not applicable to MIPS
-using VecPredReg = ::DummyVecPredReg;
-using ConstVecPredReg = ::DummyConstVecPredReg;
 using VecPredRegContainer = ::DummyVecPredRegContainer;
-constexpr size_t VecPredRegSizeBits = ::DummyVecPredRegSizeBits;
-constexpr bool VecPredRegHasPackedRepr = ::DummyVecPredRegHasPackedRepr;

 } // namespace MipsISA

diff --git a/src/arch/null/vecregs.hh b/src/arch/null/vecregs.hh
index e56a431..016b99c 100644
--- a/src/arch/null/vecregs.hh
+++ b/src/arch/null/vecregs.hh
@@ -48,14 +48,9 @@
 using VecElem = ::DummyVecElem;
 using VecRegContainer = ::DummyVecRegContainer;
 constexpr unsigned NumVecElemPerVecReg = ::DummyNumVecElemPerVecReg;
-constexpr size_t VecRegSizeBytes = ::DummyVecRegSizeBytes;

 // Not applicable to null
-using VecPredReg = ::DummyVecPredReg;
-using ConstVecPredReg = ::DummyConstVecPredReg;
 using VecPredRegContainer = ::DummyVecPredRegContainer;
-constexpr size_t VecPredRegSizeBits = ::DummyVecPredRegSizeBits;
-constexpr bool VecPredRegHasPackedRepr = ::DummyVecPredRegHasPackedRepr;

 }

diff --git a/src/arch/power/vecregs.hh b/src/arch/power/vecregs.hh
index 10f658c..974e0ef 100644
--- a/src/arch/power/vecregs.hh
+++ b/src/arch/power/vecregs.hh
@@ -41,14 +41,9 @@
 using VecElem = ::DummyVecElem;
 using VecRegContainer = ::DummyVecRegContainer;
 constexpr unsigned NumVecElemPerVecReg = ::DummyNumVecElemPerVecReg;
-constexpr size_t VecRegSizeBytes = ::DummyVecRegSizeBytes;

 // Not applicable to Power
-using VecPredReg = ::DummyVecPredReg;
-using ConstVecPredReg = ::DummyConstVecPredReg;
 using VecPredRegContainer = ::DummyVecPredRegContainer;
-constexpr size_t VecPredRegSizeBits = ::DummyVecPredRegSizeBits;
-constexpr bool VecPredRegHasPackedRepr = ::DummyVecPredRegHasPackedRepr;

 } // namespace PowerISA

diff --git a/src/arch/riscv/vecregs.hh b/src/arch/riscv/vecregs.hh
index ab2b3cb..f809520 100644
--- a/src/arch/riscv/vecregs.hh
+++ b/src/arch/riscv/vecregs.hh
@@ -58,14 +58,9 @@
 using VecElem = ::DummyVecElem;
 using VecRegContainer = ::DummyVecRegContainer;
 constexpr unsigned NumVecElemPerVecReg = ::DummyNumVecElemPerVecReg;
-constexpr size_t VecRegSizeBytes = ::DummyVecRegSizeBytes;

 // Not applicable to RISC-V
-using VecPredReg = ::DummyVecPredReg;
-using ConstVecPredReg = ::DummyConstVecPredReg;
 using VecPredRegContainer = ::DummyVecPredRegContainer;
-constexpr size_t VecPredRegSizeBits = ::DummyVecPredRegSizeBits;
-constexpr bool VecPredRegHasPackedRepr = ::DummyVecPredRegHasPackedRepr;

 }

diff --git a/src/arch/sparc/vecregs.hh b/src/arch/sparc/vecregs.hh
index b5f73d4..480b26d 100644
--- a/src/arch/sparc/vecregs.hh
+++ b/src/arch/sparc/vecregs.hh
@@ -39,14 +39,9 @@
 using VecElem = ::DummyVecElem;
 using VecRegContainer = ::DummyVecRegContainer;
 constexpr unsigned NumVecElemPerVecReg = ::DummyNumVecElemPerVecReg;
-constexpr size_t VecRegSizeBytes = ::DummyVecRegSizeBytes;

 // Not applicable to SPARC
-using VecPredReg = ::DummyVecPredReg;
-using ConstVecPredReg = ::DummyConstVecPredReg;
 using VecPredRegContainer = ::DummyVecPredRegContainer;
-constexpr size_t VecPredRegSizeBits = ::DummyVecPredRegSizeBits;
-constexpr bool VecPredRegHasPackedRepr = ::DummyVecPredRegHasPackedRepr;

 } // namespace SparcISA

diff --git a/src/arch/x86/vecregs.hh b/src/arch/x86/vecregs.hh
index 464200f..43f58bf 100644
--- a/src/arch/x86/vecregs.hh
+++ b/src/arch/x86/vecregs.hh
@@ -53,14 +53,9 @@
 using VecElem = ::DummyVecElem;
 using VecRegContainer = ::DummyVecRegContainer;
 constexpr unsigned NumVecElemPerVecReg = ::DummyNumVecElemPerVecReg;
-constexpr size_t VecRegSizeBytes = ::DummyVecRegSizeBytes;

 // Not applicable to x86
-using VecPredReg = ::DummyVecPredReg;
-using ConstVecPredReg = ::DummyConstVecPredReg;
 using VecPredRegContainer = ::DummyVecPredRegContainer;
-constexpr size_t VecPredRegSizeBits = ::DummyVecPredRegSizeBits;
-constexpr bool VecPredRegHasPackedRepr = ::DummyVecPredRegHasPackedRepr;

 } // namespace X86ISA


--
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Gerrit-Project: public/gem5
Gerrit-Branch: develop
Gerrit-Change-Id: I93d9e53c503e375a2f901bb6f7f4c00a7cdadb20
Gerrit-Change-Number: 42003
Gerrit-PatchSet: 16
Gerrit-Owner: Gabe Black <[email protected]>
Gerrit-Reviewer: Andreas Sandberg <[email protected]>
Gerrit-Reviewer: Gabe Black <[email protected]>
Gerrit-Reviewer: Giacomo Travaglini <[email protected]>
Gerrit-Reviewer: kokoro <[email protected]>
Gerrit-MessageType: merged
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