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authoramacleod <amacleod@138bc75d-0d04-0410-961f-82ee72b054a4>1999-03-25 12:04:19 +0000
committeramacleod <amacleod@138bc75d-0d04-0410-961f-82ee72b054a4>1999-03-25 12:04:19 +0000
commitad81c4f25672600fbd8549bf4f114df826d6cc3d (patch)
tree80c14256e85eb7baefb9f2fd2e5234b71c2a42e8 /gcc/rtl.texi
parent52725307f24971a61f3165fe4b30f16c57b18f9a (diff)
downloadgcc-ad81c4f25672600fbd8549bf4f114df826d6cc3d.tar.gz
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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@25976 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/rtl.texi')
-rw-r--r--gcc/rtl.texi7
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/rtl.texi b/gcc/rtl.texi
index e050c5855a6..1b214653b08 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})