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Expand the Flags field of MCInstrDesc to 64 bits, while simultaneously

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shrinking the Size and NumDefs fields to offset the size growth, and
reordering the fields to preserve a good packing.

This is necessary in the short term for adding a convergent flag, and
simultaneously future-proofs us against more flags being added in the
future.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238445 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson
2015-05-28 18:03:07 +00:00
parent b9ffeb0979
commit ca67e337bf
2 changed files with 5 additions and 5 deletions
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6
include/llvm/MC/MCInstrDesc.h
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@@ -138,10 +138,10 @@ class MCInstrDesc {
public:
unsigned short Opcode; // The opcode number
unsigned short NumOperands; // Num of args (may be more if variable_ops)
unsigned short NumDefs; // Num of args that are definitions
unsigned char NumDefs; // Num of args that are definitions
unsigned char Size; // Number of bytes in encoding.
unsigned short SchedClass; // enum identifying instr sched class
unsigned short Size; // Number of bytes in encoding.
unsigned Flags; // Flags identifying machine instr class
uint64_t Flags; // Flags identifying machine instr class
uint64_t TSFlags; // Target Specific Flag values
const uint16_t *ImplicitUses; // Registers implicitly read by this instr
const uint16_t *ImplicitDefs; // Registers implicitly defined by this instr