This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rGdb4cb4668b04: [docs] Fix documentation of
-fno-strict-float-cast-overflow after D115804. (authored by craig.topper).
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D116856/new/
https://reviews.llvm.org/D116856
Files:
clang/docs/ReleaseNotes.rst
clang/docs/UsersManual.rst
Index: clang/docs/UsersManual.rst
===================================================================
--- clang/docs/UsersManual.rst
+++ clang/docs/UsersManual.rst
@@ -1380,8 +1380,8 @@
When a floating-point value is not representable in a destination integer
type, the code has undefined behavior according to the language standard.
By default, Clang will not guarantee any particular result in that case.
- With the 'no-strict' option, Clang attempts to match the overflowing
behavior
- of the target's native float-to-int conversion instructions.
+ With the 'no-strict' option, Clang will saturate towards the smallest and
+ largest representable integer values instead. NaNs will be converted to
zero.
.. _opt_fmath-errno:
Index: clang/docs/ReleaseNotes.rst
===================================================================
--- clang/docs/ReleaseNotes.rst
+++ clang/docs/ReleaseNotes.rst
@@ -243,6 +243,9 @@
-ffp-contract=fast, whereas the (now corrected) default behavior is
-ffp-contract=on.
-ffp-model=precise is now exactly the default mode of the compiler.
+- -fstrict-float-cast-overflow no longer has target specific behavior. Clang
+ will saturate towards the smallest and largest representable integer values.
+ NaNs will be converted to zero.
Internal API Changes
--------------------
Index: clang/docs/UsersManual.rst
===================================================================
--- clang/docs/UsersManual.rst
+++ clang/docs/UsersManual.rst
@@ -1380,8 +1380,8 @@
When a floating-point value is not representable in a destination integer
type, the code has undefined behavior according to the language standard.
By default, Clang will not guarantee any particular result in that case.
- With the 'no-strict' option, Clang attempts to match the overflowing behavior
- of the target's native float-to-int conversion instructions.
+ With the 'no-strict' option, Clang will saturate towards the smallest and
+ largest representable integer values instead. NaNs will be converted to zero.
.. _opt_fmath-errno:
Index: clang/docs/ReleaseNotes.rst
===================================================================
--- clang/docs/ReleaseNotes.rst
+++ clang/docs/ReleaseNotes.rst
@@ -243,6 +243,9 @@
-ffp-contract=fast, whereas the (now corrected) default behavior is
-ffp-contract=on.
-ffp-model=precise is now exactly the default mode of the compiler.
+- -fstrict-float-cast-overflow no longer has target specific behavior. Clang
+ will saturate towards the smallest and largest representable integer values.
+ NaNs will be converted to zero.
Internal API Changes
--------------------
_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
