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• Address Optimization
• Alias Optimization by Address
• Alias Optimization Const Qualifier
• Alias Optimization by Type
• Array Bounds Optimization
• Bitfield Optimization
• Branch Elimination
• Loop Collapsing
• Instruction Combining
• Constant Folding
• Constant Propagation
• CSE Elimination
• Dead Code Elimination
• Ineger Divide Optimization
• Expression Simplification
• Forward Store
• Loop Fusion
• Garbage Collection
• Hoisting
• If Optimization
• Function Inlining
• Invarrant Expression Elimination
• Block Mergin
• Integer Mod Optimization
• Integer Multiply Optimization
• Narrowing
• New Optimization
• Pointer Optimization
• Printf Optimization
• quick
• Value Range Optimization
• Register Allocation
• spec
• static
• Strength Reduction
• String Optimization
• sync
• Tail Recursion
• Try/Catch Block Optimization
• Loop Unrolling
• Unswitching
• virtual
• Volatile Optimization
• Cross Jump

SPEC Conformance

In the pursuit of the best possible performance on the SPEC benchmarks, some compilers perform transformations that are not permitted by the ANSI C standard. This set of tests include code fragments and data sets which are very similar to SPEC benchmarks, but have been slightly modified to isolate some of the known defects related to SPEC-specific optimizations.

For a more complete description and examples, see www.nullstone.com/eqntott/eqntott.htm.