enable mips branch likely instructions generation #131
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Branch likey instructions are explicitly marked deprecated for MIPS32/MIPS64, although they're still present in XBurst cores and show a little benefit to use them even when branch target buffer (BTB) is enabled. These instructions are disabled by default in GCC for mips32 mips32r2 targets. Let's enable them. Signed-off-by: Siarhei Volkau <[email protected]>
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May 19, 2024
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Branch likey instructions are explicitly marked deprecated for MIPS32/MIPS64, although they're still present in XBurst cores and show a little benefit to use them even when branch target buffer (BTB) is enabled.
These instructions are disabled by default in GCC for mips32 mips32r2 targets. Let's enable them.
Enabling them shows a little (~0.2 - 0.5%) speedup for non-profiled applications.