search for: strove

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2011 Oct 18
0
[LLVMdev] Optimization for size
On Oct 18, 2011, at 7:37 AM, Renato Golin wrote: > On 17 October 2011 15:58, James Molloy <james.molloy at arm.com> wrote: >> -Os doesn’t actually exist for llc, and I can’t see an obvious place where >> that condition would be set. Where do we specify if we’re optimizing for >> codesize or performance? > > The pass manager builder has an option for Os (0, 1, 2).
2011 Oct 20
1
[LLVMdev] Optimization for size
...for embedded ARM cores to have only 64 kb of Flash. A couple friends of mine were two of Atari's first seven video game coders. They had a choice of using 2 kb or 1 kb ROMs to store their executables in. While 2 kb ROMs allowed for much easier to write and more featureful games, they always strove to target the 1 kb ROMs because they cost half as much to manufacture and so the coders would earn twice as much in royalties. It happened all the time that a game's executable size would get down to just a few bytes over 1 kb. Despite their best efforts, the coders could never get their exec...
2011 Oct 18
2
[LLVMdev] Optimization for size
On 17 October 2011 15:58, James Molloy <james.molloy at arm.com> wrote: > -Os doesn’t actually exist for llc, and I can’t see an obvious place where > that condition would be set. Where do we specify if we’re optimizing for > codesize or performance? The pass manager builder has an option for Os (0, 1, 2). But all it does, AFAICR, is to disable one explosive optimization pass.