diff options
Diffstat (limited to 'gcc/doc/tm.texi')
| -rw-r--r-- | gcc/doc/tm.texi | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi index db42742e9e2..805ebf2b3ab 100644 --- a/gcc/doc/tm.texi +++ b/gcc/doc/tm.texi @@ -2349,6 +2349,11 @@ with it, as well as defining these macros. Define this if the machine has any stack-like registers. @end defmac +@defmac STACK_REG_COVER_CLASS +This is a cover class containing the stack registers. Define this if +the machine has any stack-like registers. +@end defmac + @defmac FIRST_STACK_REG The number of the first stack-like register. This one is the top of the stack. @@ -4394,7 +4399,7 @@ compiled. @end defmac @deftypefn {Target Hook} rtx TARGET_LIBCALL_VALUE (enum machine_mode -@var{mode}, rtx @var{fun}) +@var{mode}, const_rtx @var{fun}) Define this hook if the back-end needs to know the name of the libcall function in order to determine where the result should be returned. @@ -5628,7 +5633,7 @@ should comply with the semantics expected by @code{REALIGN_LOAD} described above. If this hook is not defined, then @var{addr} will be used as the argument @var{OFF} to @code{REALIGN_LOAD}, in which case the low -log2(@var{VS})-1 bits of @var{addr} will be considered. +log2(@var{VS}) @minus{} 1 bits of @var{addr} will be considered. @end deftypefn @deftypefn {Target Hook} tree TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN (tree @var{x}) @@ -6610,7 +6615,7 @@ speculative dependencies and therefore can be scheduled speculatively. The hook is used to check if the pattern of @var{insn} has a speculative version and, in case of successful check, to generate that speculative pattern. The hook should return 1, if the instruction has a speculative form, -or -1, if it doesn't. @var{request} describes the type of requested +or @minus{}1, if it doesn't. @var{request} describes the type of requested speculation. If the return value equals 1 then @var{new_pat} is assigned the generated speculative pattern. @end deftypefn |