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2018 Jan 17
1
Opcodes with 32-bit pair vs 64-bit register
...himmel via llvm-dev <llvm-dev at lists.llvm.org> To: "llvm-dev at lists.llvm.org" <llvm-dev at lists.llvm.org> Subject: [llvm-dev] Opcodes with 32-bit pair vs 64-bit register operands Message-ID: <549704409B55EF4EA338DE0614245F4401575B233E at us01wembx1.internal.synopsys.com> Content-Type: text/plain; charset="utf-8" Can anyone suggest how to define an opcode that takes a pair of registers on a 32-bit architecture but a single 64-bit wide register on a 64-bit architecture? For example, the following instruction converts a double to...