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GCC & LLVM/Clang Compilers Updated For Intel Branch Hint
Both the GCC and LLVM/Clang compilers today saw support for Intel's Branch Hint extension merged today for this feature of Redwood Cove P cores as found with current generation Meteor Lake processors as well as upcoming Intel Granite Rapids server processors.
Both the GCC and LLVM/Clang compilers today saw support for Intel's Branch Hint extension merged today for this feature of Redwood Cove P cores as found with current generation Meteor Lake processors as well as upcoming Intel Granite Rapids server processors. Compilers are advised to add the hints as part of profile-guided optimization, where the one-sided execution path cannot be laid out as a fall-through. The GCC compiler also saw new code merged today for dealing with this Branch Hint capability on Redwood Cove cores.
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