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reg-notes.def (REG_DEP_TRUE): New entry, place first so it gets value 0.

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* reg-notes.def (REG_DEP_TRUE): New entry, place first so it
	gets value 0.
	* print-rtl.c (print_rtx): Print the name of a REG_NOTE even
	if it has value 0.

From-SVN: r87821
This commit is contained in:
Zack Weinberg 2004-09-21 20:34:43 +00:00
parent 938806922d
commit 52c5701b4e
3 changed files with 25 additions and 15 deletions
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11
gcc/ChangeLog
View File

@ -1,5 +1,12 @@
2004-09-21 Zack Weinberg <zack@codesourcery.com>
* reg-notes.def (REG_DEP_TRUE): New entry, place first so it
gets value 0.
* print-rtl.c (print_rtx): Print the name of a REG_NOTE even
if it has value 0.
2004-09-21 Daniel Berlin <dberlin@dberlin.org>
* c-typeck.c (build_function_call): Give name of object
we are attempting to call in error message.
* c-objc-common.c (c_tree_printer): Call pp_expression,
@ -30,7 +37,7 @@
precedence of stripped constant.
2004-09-20 Jeff Law <law@redhat.com>
Jan Hubicka <jh@suse.cz>
Jan Hubicka <jh@suse.cz>
* tree-ssanames.c (make_ssa_name): No longer need to clear, then
initialize key elements here.

19
gcc/print-rtl.c
View File

@ -186,16 +186,15 @@ print_rtx (rtx in_rtx)
if (RTX_FLAG (in_rtx, return_val))
fputs ("/i", outfile);
if (GET_MODE (in_rtx) != VOIDmode)
{
/* Print REG_NOTE names for EXPR_LIST and INSN_LIST. */
if (GET_CODE (in_rtx) == EXPR_LIST
|| GET_CODE (in_rtx) == INSN_LIST)
fprintf (outfile, ":%s",
GET_REG_NOTE_NAME (GET_MODE (in_rtx)));
else
fprintf (outfile, ":%s", GET_MODE_NAME (GET_MODE (in_rtx)));
}
/* Print REG_NOTE names for EXPR_LIST and INSN_LIST. */
if (GET_CODE (in_rtx) == EXPR_LIST
|| GET_CODE (in_rtx) == INSN_LIST)
fprintf (outfile, ":%s",
GET_REG_NOTE_NAME (GET_MODE (in_rtx)));
/* For other rtl, print the mode if it's not VOID. */
else if (GET_MODE (in_rtx) != VOIDmode)
fprintf (outfile, ":%s", GET_MODE_NAME (GET_MODE (in_rtx)));
}
}

10
gcc/reg-notes.def
View File

@ -26,6 +26,12 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
/* Shorthand. */
#define REG_NOTE(NAME) DEF_REG_NOTE (REG_##NAME)
/* REG_DEP_TRUE is used in LOG_LINKS to represent a read-after-write
dependency (i.e. a true data dependency). This is here, not
grouped with REG_DEP_ANTI and REG_DEP_OUTPUT, because some passes
use a literal 0 for it. */
REG_NOTE (DEP_TRUE)
/* The value in REG dies in this insn (i.e., it is not needed past
this insn). If REG is set in this insn, the REG_DEAD note may,
but need not, be omitted. */
@ -92,9 +98,7 @@ REG_NOTE (CC_USER)
REG_NOTE (LABEL)
/* REG_DEP_ANTI and REG_DEP_OUTPUT are used in LOG_LINKS to represent
write-after-read and write-after-write dependencies respectively.
Data dependencies, which are the only type of LOG_LINK created by
flow, are represented by a 0 reg note kind. */
write-after-read and write-after-write dependencies respectively. */
REG_NOTE (DEP_ANTI)
REG_NOTE (DEP_OUTPUT)