https://bugs.kde.org/show_bug.cgi?id=384676
--- Comment #2 from Ivo Raisr <iv...@ivosh.net> --- Unfortunately performance measurements do not confirm this as a good idea. Measuring Memcheck on perf/bz2, instruction count: v3 baseline: 45,110 M total; 168 M register allocator v3 patched: 45,123 M total; 176 M register allocator v2 baseline: 45,190 M total; 209 M register allocator v2 patched: 45,266 M total; 220 M register allocator Measuring Memcheck on tinycc, instruction count: v3 baseline: 4,155,471 k total; 86,438 k register allocator v3 patched: 4,155,207 k total; 91,193 k register allocator I'd conclude that although two more registers are available to the register allocator, it does not help because: - they are caller saved registers - register allocator needs to iterate over more registers -- You are receiving this mail because: You are watching all bug changes.
