Displaying 2 results from an estimated 2 matches for "14157fe8".
2010 Jan 26
2
[LLVMdev] some llvm/clang missed optimizations
...layered APIs. Of course when IPO is on, most of
these calls should be destroyed.
5.
Sometimes a function modifies globals but even so has no net effect:
http://embed.cs.utah.edu/embarrassing/jan_10/harvest/source/8A/8AB0B238.shtml
http://embed.cs.utah.edu/embarrassing/jan_10/harvest/source/14/14157FE8.shtml
Somehow gcc3 sees these but everyone else including gcc4 fails.
6.
Here llvm-gcc and gcc, but not clang, exploit undefinedness of integer
overflow to eliminate most of the code in a function:
http://embed.cs.utah.edu/embarrassing/jan_10/harvest/source/82/82A5CC31.shtml
Most likely this...
2010 Jan 26
0
[LLVMdev] some llvm/clang missed optimizations
...o complicated for too little gain to be worth
pursuing.
> 5.
>
> Sometimes a function modifies globals but even so has no net effect:
>
> http://embed.cs.utah.edu/embarrassing/jan_10/harvest/source/8A/8AB0B238.shtml
> http://embed.cs.utah.edu/embarrassing/jan_10/harvest/source/14/14157FE8.shtml
>
> Somehow gcc3 sees these but everyone else including gcc4 fails.
>
> 6.
>
> Here llvm-gcc and gcc, but not clang, exploit undefinedness of integer
> overflow to eliminate most of the code in a function:
>
> http://embed.cs.utah.edu/embarrassing/jan_10/harvest/sou...