> True, but GCC 4.0 produces code that is hardly better than what > GCC 3.3 makes of it, and 4.0 is still significantly slower.
Maybe compared to your "hammer" branch. On SPARC, FSF 3.4 is definitely better than FSF 3.3 and 4.0 not worse than 3.4. > Just not as much as GCC 4.1 (something like 15%-20% wrt. GCC 3.3, iirc). Yes, Tree-SSA per se is not responsible for the 40% slowdown you reported. -- Eric Botcazou
