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| author | Tom de Vries <tdevries@suse.de> | 2021-07-28 15:44:54 +0200 |
|---|---|---|
| committer | Tom de Vries <tdevries@suse.de> | 2021-08-02 16:49:27 +0200 |
| commit | 7d8577dd46688a3c721fb1e1f271b59f1672e99a (patch) | |
| tree | 5d089fd91887ad59b90024f6054b9c977f25fc67 /gcc/tree-ssa-threadbackward.c | |
| parent | 99b520f031c0e491d7e170916df11dd645d60617 (diff) | |
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[gcc/doc] Improve nonnull attribute documentation
Improve nonnull attribute documentation in a number of ways:
Reorganize discussion of effects into:
- effects for calls to functions with nonnull-marked parameters, and
- effects for function definitions with nonnull-marked parameters.
This makes it clear that -fno-delete-null-pointer-checks has no effect for
optimizations based on nonnull-marked parameters in function definitions
(see PR100404).
Mention -Wnonnull-compare.
gcc/ChangeLog:
2021-07-28 Tom de Vries <tdevries@suse.de>
PR middle-end/101665
* doc/extend.texi (nonnull attribute): Improve documentation.
Diffstat (limited to 'gcc/tree-ssa-threadbackward.c')
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