diff options
author | Steve Ellcey <sje@cup.hp.com> | 2009-03-03 18:33:40 +0000 |
---|---|---|
committer | Steve Ellcey <sje@gcc.gnu.org> | 2009-03-03 18:33:40 +0000 |
commit | dc6729518aabcff9050c5bd04e89bccc40c24fb5 (patch) | |
tree | 22116a64207079cb8e534fb2aab1008dbcb50837 /gcc/doc | |
parent | 8b9d598f0340b46fb087c0a7009ee982cb9475f8 (diff) | |
download | gcc-dc6729518aabcff9050c5bd04e89bccc40c24fb5.zip gcc-dc6729518aabcff9050c5bd04e89bccc40c24fb5.tar.gz gcc-dc6729518aabcff9050c5bd04e89bccc40c24fb5.tar.bz2 |
re PR middle-end/10109 (documentation of target macro LIBCALL_VALUE)
PR middle-end/10109
* tm.texi (LIBCALL_VALUE): Update description.
From-SVN: r144586
Diffstat (limited to 'gcc/doc')
-rw-r--r-- | gcc/doc/tm.texi | 10 |
1 files changed, 1 insertions, 9 deletions
diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi index a311a9f..b4fcc2d 100644 --- a/gcc/doc/tm.texi +++ b/gcc/doc/tm.texi @@ -4304,20 +4304,12 @@ a new target instead. @defmac LIBCALL_VALUE (@var{mode}) A C expression to create an RTX representing the place where a library -function returns a value of mode @var{mode}. If the precise function -being called is known, @var{func} is a tree node -(@code{FUNCTION_DECL}) for it; otherwise, @var{func} is a null -pointer. This makes it possible to use a different value-returning -convention for specific functions when all their calls are -known. +function returns a value of mode @var{mode}. Note that ``library function'' in this context means a compiler support routine, used to perform arithmetic, whose name is known specially by the compiler and was not mentioned in the C code being compiled. - -The definition of @code{LIBRARY_VALUE} need not be concerned aggregate -data types, because none of the library functions returns such types. @end defmac @defmac FUNCTION_VALUE_REGNO_P (@var{regno}) |