[clang] [llvm] Support branch hint (PR #97721)

2024-07-04 Thread Simon Pilgrim via cfe-commits
@@ -749,6 +749,11 @@ def TuningUseGLMDivSqrtCosts : SubtargetFeature<"use-glm-div-sqrt-costs", "UseGLMDivSqrtCosts", "true", "Use Goldmont specific floating point div/sqrt costs">; +// Starting with Redwood Cove architecture, the branch has branch taken hint +// (i

[clang] [llvm] Support branch hint (PR #97721)

2024-07-04 Thread via cfe-commits
llvmbot wrote: @llvm/pr-subscribers-backend-x86 Author: Feng Zou (fzou1) Changes For more details about this feature, please refer to latest Intel 64 and IA-32 Architectures Optimization Reference Manual Volume 1: https://www.intel.com/content/www/us/en/content-details/821612/intel-64-an

[clang] [llvm] Support branch hint (PR #97721)

2024-07-04 Thread Feng Zou via cfe-commits
https://github.com/fzou1 created https://github.com/llvm/llvm-project/pull/97721 For more details about this feature, please refer to latest Intel 64 and IA-32 Architectures Optimization Reference Manual Volume 1: https://www.intel.com/content/www/us/en/content-details/821612/intel-64-and-ia-32