diff options
| author | zack <zack@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-09-21 20:34:43 +0000 |
|---|---|---|
| committer | zack <zack@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-09-21 20:34:43 +0000 |
| commit | 99caba0fadc1a32a65b64a49df1704d39957bf6e (patch) | |
| tree | 5732b65d4f290578782bc61fdb3bd2b831e92877 /gcc | |
| parent | dbc0e719c48d0b5b119ea83326c53e769e21d3f7 (diff) | |
| download | gcc-99caba0fadc1a32a65b64a49df1704d39957bf6e.tar.gz | |
* 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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@87821 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 11 | ||||
| -rw-r--r-- | gcc/print-rtl.c | 19 | ||||
| -rw-r--r-- | gcc/reg-notes.def | 10 |
3 files changed, 25 insertions, 15 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 7d034c47903..fd4e6526db4 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -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. diff --git a/gcc/print-rtl.c b/gcc/print-rtl.c index 06831596292..b4b2ca36fb5 100644 --- a/gcc/print-rtl.c +++ b/gcc/print-rtl.c @@ -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))); } } diff --git a/gcc/reg-notes.def b/gcc/reg-notes.def index 8032516bef6..85a122f6532 100644 --- a/gcc/reg-notes.def +++ b/gcc/reg-notes.def @@ -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) |