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| author | Martin Sebor <msebor@gcc.gnu.org> | 2018-04-08 10:14:31 -0600 |
|---|---|---|
| committer | Martin Sebor <msebor@gcc.gnu.org> | 2018-04-08 10:14:31 -0600 |
| commit | de8a29bd84343e659e1d15583a6071a59b36fbd3 (patch) | |
| tree | 3e3b9fba0c1f6cd606729ba5627a99411c5e5aef /gcc | |
| parent | 8b9322f0a56fc6785e0165bb99619920a67cca09 (diff) | |
| download | gcc-de8a29bd84343e659e1d15583a6071a59b36fbd3.zip gcc-de8a29bd84343e659e1d15583a6071a59b36fbd3.tar.gz gcc-de8a29bd84343e659e1d15583a6071a59b36fbd3.tar.bz2 | |
invoke.texi (-Wrestrict, [...]): Tweak text.
gcc/ChangeLog:
* invoke.texi (-Wrestrict, -fprintf-return-value): Tweak text.
From-SVN: r259224
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/doc/invoke.texi | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index bb52f55..52ba3d4 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -6829,12 +6829,12 @@ void foo (void) @{ char a[] = "abcd1234"; strcpy (a, a + 4); - … + @dots{} @} @end smallexample The @option{-Wrestrict} option detects some instances of simple overlap -even without optimization but works best at @option{-O2}. It is included -in @option{-Wall}. +even without optimization but works best at @option{-O2} and above. It +is included in @option{-Wall}. @item -Wnested-externs @r{(C and Objective-C only)} @opindex Wnested-externs @@ -9043,9 +9043,9 @@ if (snprintf (buf, "%08x", i) >= sizeof buf) @end smallexample The @option{-fprintf-return-value} option relies on other optimizations -and yields best results with @option{-O2}. It works in tandem with the -@option{-Wformat-overflow} and @option{-Wformat-truncation} options. -The @option{-fprintf-return-value} option is enabled by default. +and yields best results with @option{-O2} and above. It works in tandem +with the @option{-Wformat-overflow} and @option{-Wformat-truncation} +options. The @option{-fprintf-return-value} option is enabled by default. @item -fno-peephole @itemx -fno-peephole2 |