pengfei added inline comments.
================
Comment at: llvm/docs/LangRef.rst:2166
+
+ If the mode is ``"dynamic"``, the behavior is derived from the
+ dynamic state of the floating-point environment. Transformations
----------------
1. Does it mean users must specify `dynamic` when they change FTZ/DAZ in a
function?
2. If 1) is true, is there a way to partially set on functions in its call
stack, e.g.,
```
main
f0
f1
f10
setFtzDaz(true);
f2
f3
```
Ideally, users may want to tell compiler `main`, `f1`, `f10` is `dynamic`,
while `f0` is `ieee` and `f2`, `f3` is `positive-zero`, rather than `dynamic`
for all.
3. If 2) is true, it looks silly to do it one by one manually. Should compiler
help to deduce this information itself?
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D142907/new/
https://reviews.llvm.org/D142907
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