Simon Pilgrim 89deac6694 [X86][BtVer2] Add support for all SUB/XOR 32/64 scalar instructions that should match the dependency-breaking 'zero-idiom'
As detailed on Agner's Microarchitecture doc (21.8 AMD Bobcat and Jaguar pipeline - Dependency-breaking instructions), these instructions are dependency breaking and fast-path zero the destination register (and appropriate EFLAGS bits).

llvm-svn: 334303
2018-06-08 17:00:45 +00:00

Low Level Virtual Machine (LLVM)

This directory and its subdirectories contain source code for LLVM, a toolkit for the construction of highly optimized compilers, optimizers, and runtime environments.

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