diff options
| author | Richard Henderson <rth@redhat.com> | 2005-11-03 01:40:33 +0000 |
|---|---|---|
| committer | Richard Henderson <rth@redhat.com> | 2005-11-03 01:40:33 +0000 |
| commit | e86f5295e972f86edb4e9470d93cf3f590cf7007 (patch) | |
| tree | 6cea9b2ad7c60bdcd1ca27428519046f1cb9729f /gcc/doc | |
| parent | af5d3c27d8b87b49d7789245a300ac533abc044c (diff) | |
PR target/9350
PR target/24374
* dwarf2out.c (dwarf2out_reg_save_reg): New.
(dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
* function.c (assign_parms): Use calls.internal_arg_pointer.
(expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
code.
* target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
(TARGET_CALLS): Add it.
* target.h (struct gcc_target): Add calls.internal_arg_pointer.
* targhooks.c (default_internal_arg_pointer): New.
* targhooks.h (default_internal_arg_pointer): Declare.
* tree.h (dwarf2out_reg_save_reg): Declare.
* doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
* config/i386/i386.c (dbx_register_map): Add return column.
(dbx64_register_map, svr4_dbx_register_map): Likewise.
(TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
(TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New. (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
(ix86_save_reg): Save force_align_arg_pointer.
(ix86_emit_save_regs): Make regno unsigned.
(ix86_emit_save_regs_using_mov): Likewise.
(ix86_expand_prologue): Handle force_align_arg_pointer.
(ix86_expand_epilogue): Likewise.
* config/i386/i386.h: (dbx_register_map): Update.
(dbx64_register_map, svr4_dbx_register_map): Update.
(struct machine_function): Add force_align_arg_pointer.
* config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
(UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
(TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@106420 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/doc')
| -rw-r--r-- | gcc/doc/tm.texi | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi index 46d24b6b789..b339c4ccdc0 100644 --- a/gcc/doc/tm.texi +++ b/gcc/doc/tm.texi @@ -1033,18 +1033,6 @@ macro must evaluate to a value equal to or larger than @code{STACK_BOUNDARY}. @end defmac -@defmac FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN -A C expression that evaluates true if @code{PREFERRED_STACK_BOUNDARY} is -not guaranteed by the runtime and we should emit code to align the stack -at the beginning of @code{main}. - -@cindex @code{PUSH_ROUNDING}, interaction with @code{PREFERRED_STACK_BOUNDARY} -If @code{PUSH_ROUNDING} is not defined, the stack will always be aligned -to the specified boundary. If @code{PUSH_ROUNDING} is defined and specifies -a less strict alignment than @code{PREFERRED_STACK_BOUNDARY}, the stack may -be momentarily unaligned while pushing arguments. -@end defmac - @defmac FUNCTION_BOUNDARY Alignment required for a function entry point, in bits. @end defmac |