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| author | Andrew Macleod <amacleod@gcc.gnu.org> | 1999-03-25 12:04:19 +0000 |
|---|---|---|
| committer | Andrew Macleod <amacleod@gcc.gnu.org> | 1999-03-25 12:04:19 +0000 |
| commit | 2b4b3e5f2199f5ac53d81e4dfca4242b6f58ea29 (patch) | |
| tree | 80c14256e85eb7baefb9f2fd2e5234b71c2a42e8 /gcc/rtl.texi | |
| parent | 0a4b90568df24e9e567ab9d1c04c454ae6ab2321 (diff) | |
| download | gcc-2b4b3e5f2199f5ac53d81e4dfca4242b6f58ea29.zip gcc-2b4b3e5f2199f5ac53d81e4dfca4242b6f58ea29.tar.gz gcc-2b4b3e5f2199f5ac53d81e4dfca4242b6f58ea29.tar.bz2 | |
rtl.texi (RTX_FRAME_RELATED_P): Add documentation.
Thu Mar 25 14:04:54 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
* rtl.texi (RTX_FRAME_RELATED_P): Add documentation.
* rtl.h (struct rtx_def): Update comment for frame_related field.
(set_unique_reg_note): Declare prototype.
* dwarf2out.c (dwarf2out_frame_debug_expr): Split out from
'dwarf2out_frame_debug' to handle only expressions, and process
component parts of a PARALLEL expression.
(dwarf2out_frame_debug): Process insns only, and call
new function 'dwarf2out_frame_debug_expr' for patterns.
* emit-rtl.c (set_unique_reg_note): New function to add a reg note,
but if there is an existingone, deletes it first.
* expmed.c (expand_mult, expand_divmod): Use set_unique_reg_note.
* optabs.c (add_equal_note, expand_binop): Use set_unique_reg_note.
(emit_no_conflict_block, emit_libcall_block): Use set_unique_reg_note.
(expand_fix): Use set_unique_reg_note.
From-SVN: r25976
Diffstat (limited to 'gcc/rtl.texi')
| -rw-r--r-- | gcc/rtl.texi | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/rtl.texi b/gcc/rtl.texi index e050c58..1b21465 100644 --- a/gcc/rtl.texi +++ b/gcc/rtl.texi @@ -405,6 +405,13 @@ other functions or by aliasing.) Stored in the Nonzero in an insn if it resulted from an in-line function call. Stored in the @code{integrated} field and printed as @samp{/i}. +@findex RTX_FRAME_RELATED_P +@item RTX_FRAME_RELATED_P (@var{x}) +Nonzero in an insn or expression which is part of a function +prologue and sets the stack pointer, sets the frame pointer, or saves a +register. This flag is required for exception handling support +on targets with RTL prologues. + @findex SYMBOL_REF_USED @cindex @code{used}, in @code{symbol_ref} @item SYMBOL_REF_USED (@var{x}) |