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| author | Richard Henderson <rth@redhat.com> | 2004-12-03 15:15:15 -0800 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2004-12-03 15:15:15 -0800 |
| commit | d3da4d1439ccf9d2c7f51931c393c0fc1642039e (patch) | |
| tree | 4d9f30bf3bcfad894f574e89924bacdc9c04ed10 /gcc | |
| parent | 668707f70d3c709af4266606a59866cc23a00077 (diff) | |
| download | gcc-d3da4d1439ccf9d2c7f51931c393c0fc1642039e.zip gcc-d3da4d1439ccf9d2c7f51931c393c0fc1642039e.tar.gz gcc-d3da4d1439ccf9d2c7f51931c393c0fc1642039e.tar.bz2 | |
tm.texi (TARGET_BUILD_BUILTIN_VA_LIST): New.
* doc/tm.texi (TARGET_BUILD_BUILTIN_VA_LIST): New.
(TARGET_CANNOT_FORCE_CONST_MEM): New.
From-SVN: r91703
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/doc/tm.texi | 17 |
2 files changed, 22 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 19a5b78..36f9530 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2004-12-03 Richard Henderson <rth@redhat.com> + + * doc/tm.texi (TARGET_BUILD_BUILTIN_VA_LIST): New. + (TARGET_CANNOT_FORCE_CONST_MEM): New. + 2004-12-04 Alan Modra <amodra@bigpond.net.au> PR middle end/18718 diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi index dfc1878..46a9adf 100644 --- a/gcc/doc/tm.texi +++ b/gcc/doc/tm.texi @@ -3925,6 +3925,11 @@ The default value of this hook is @code{NULL}, which is treated as always false. @end deftypefn +@deftypefn {Target Hook} tree TARGET_BUILD_BUILTIN_VA_LIST (void) +This hook returns a type node for @code{va_list} for the target. +The default version of the hook returns @code{void*}. +@end deftypefn + @deftypefn {Target Hook} tree TARGET_GIMPLIFY_VA_ARG_EXPR (tree @var{valist}, tree @var{type}, tree *@var{pre_p}, tree *@var{post_p}) This hook performs target-specific gimplification of @code{VA_ARG_EXPR}. The first two parameters correspond to the @@ -5151,6 +5156,18 @@ an immediate operand on the target machine. You can assume that anything @code{CONSTANT_P} is valid. @end defmac +@deftypefn {Target Hook} bool TARGET_CANNOT_FORCE_CONST_MEM (rtx @var{x}) +This hook should return true if @var{x} is of a form that cannot (or +should not) be spilled to the constant pool. The default version of +this hook returns false. + +The primary reason to define this hook is to prevent reload from +deciding that a non-legitimate constant would be better reloaded +from the constant pool instead of spilling and reloading a register +holding the constant. This restriction is often true of addresses +of TLS symbols for various targets. +@end deftypefn + @node Condition Code @section Condition Code Status @cindex condition code status |