diff options
Diffstat (limited to 'gcc/doc/invoke.texi')
| -rw-r--r-- | gcc/doc/invoke.texi | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 1ac81ad..f65d351 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -453,6 +453,7 @@ Objective-C and Objective-C++ Dialects}. -Wno-analyzer-fd-use-without-check @gol -Wno-analyzer-file-leak @gol -Wno-analyzer-free-of-non-heap @gol +-Wno-analyzer-imprecise-fp-arithmetic @gol -Wno-analyzer-jump-through-null @gol -Wno-analyzer-malloc-leak @gol -Wno-analyzer-mismatching-deallocation @gol @@ -9758,6 +9759,7 @@ Enabling this option effectively enables the following warnings: -Wanalyzer-fd-use-without-check @gol -Wanalyzer-file-leak @gol -Wanalyzer-free-of-non-heap @gol +-Wanalyzer-imprecise-fp-arithmetic @gol -Wanalyzer-jump-through-null @gol -Wanalyzer-malloc-leak @gol -Wanalyzer-mismatching-deallocation @gol @@ -9946,6 +9948,18 @@ is called on a non-heap pointer (e.g. an on-stack buffer, or a global). See @uref{https://cwe.mitre.org/data/definitions/590.html, CWE-590: Free of Memory not on the Heap}. +@item -Wno-analyzer-imprecise-fp-arithmetic +@opindex Wanalyzer-imprecise-fp-arithmetic +@opindex Wno-analyzer-imprecise-fp-arithmetic +This warning requires @option{-fanalyzer}, which enables it; use +@option{-Wno-analyzer-imprecise-fp-arithmetic} +to disable it. + +This diagnostic warns for paths through the code in which floating-point +arithmetic is used in locations where precise computation is needed. This +diagnostic only warns on use of floating-point operands inside the +calculation of an allocation size at the moment. + @item -Wno-analyzer-jump-through-null @opindex Wanalyzer-jump-through-null @opindex Wno-analyzer-jump-through-null |