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Add -fno-code-hoisting to reduce register pressure for coremark. #523
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The register pressure of function core_bench_state is too high to do LICM (Loop Invariant Code Motion). The one of reason is GCC hoists too many instructions. The option -fno-code-hoisting can disable this optimization and reduce the register pressure.
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nategraff-sifive
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Aug 11, 2020
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The register pressure of function core_bench_state is too high to do
LICM (Loop Invariant Code Motion). The one of reason is GCC hoists too
many instructions. The option -fno-code-hoisting can disable this
optimization and reduce the register pressure.