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2010 Nov 18
0
[LLVMdev] Writing a backend for the ZPU
...n set. I'm can't get a handle on how to translate this hack to llvm so far. A typical ZPU machine code add might look something like this: a = a + b + 123; => loadsp 16 # push value at memory location sp+16 onto stack loadsp 24 # another value add im 123 add storesp 20 # store back to original location. Notice 16+4=20 LLVM represents the above as something like: (set a, (add (add a,b), 123) -- Øyvind Harboe Can Zylin Consulting help on your project? US toll free 1-866-980-3434 / International +47 51 63 25 00 http://www.zylin.com/zy1000.html ARM7 ARM9 A...
2010 Nov 19
0
[LLVMdev] Fw: Writing a backend for the ZPU
...k > > to llvm so far. A typical ZPU machine code add might look > something > like this: a = a + b + > 123; => loadsp > 16 # push value at > memory location sp+16 onto stack loadsp 24 # > another > value add im 123 > > add storesp 20 # store back to original location. Notice > > 16+4=20 LLVM represents the above as something > like: (set a, > (add (add a,b), 123) Actually it represents > the code like this: %1=load i32 @a %2=load i32 @b %3=add i32 %1, > %2 %4=add i32 %3, 123 store i32 %4, i32 @a...