Displaying 2 results from an estimated 2 matches for "specifiedby".
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2005 Aug 31
2
[LLVMdev] Anyone is building a DSP-C frontend?
...d).
sat signed fixed a;
sat signed fixed b;
sat signed fixed c;
a = -0.75r; // 'r' is fixed-point number postfix
b = -0.75r;
c = a + b; /* c = -1.0r !!! */
this qualifier can be implemented just like the 'const' qualifier.
btw, in some implementation, the saturation is explicitly specifiedby
the arithmetic operation, not the variable itself. for example:
/* add the operands, saturate the result before it's assigned to c */
c = add_sat(-0.75, -0.75);
2. memory space qualifier
a typical program will have its global variables and constant in
different data segments. a segment is ju...
2005 Aug 31
0
[LLVMdev] Anyone is building a DSP-C frontend?
...nted just like the 'const' qualifier.
This shouldn't be a type qualifier, if implemented in llvm, this should be
new operations (e.g. add_sat). Saturating arithmetic would also be
interesting for the vector/simd people.
> btw, in some implementation, the saturation is explicitly specifiedby
> the arithmetic operation, not the variable itself. for example:
>
> /* add the operands, saturate the result before it's assigned to c */
> c = add_sat(-0.75, -0.75);
The way it is expressed at the source language isn't important. However
it is expressed there, it should be...