diff options
| author | vmakarov <vmakarov@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-08-30 20:44:51 +0000 |
|---|---|---|
| committer | vmakarov <vmakarov@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-08-30 20:44:51 +0000 |
| commit | 17c7a04d1c73b837492a822490fa59ee17db094f (patch) | |
| tree | 9cc1dc4a63e4c3af0ab3e68c017e773ea05dec6f /gcc/rtl.h | |
| parent | e025bbe7bf73c4adaa7edeec9158db8f8438295f (diff) | |
| download | gcc-17c7a04d1c73b837492a822490fa59ee17db094f.tar.gz | |
2001-08-30 Vladimir Makarov <vmakarov@redhat.com>
* rtl.def: Undo my patch commited 2001-08-27.
* genattrtab.c: Ditto.
* rtl.h: Ditto.
* sched-int.h: Ditto.
* target-def.h: Ditto.
* target.h: Ditto.
* haifa-sched.c: Ditto.
* sched-rgn.c: Ditto.
* sched-vis.c: Ditto.
* Makefile.in: Ditto.
* doc/md.texi: Ditto.
* doc/tm.texi: Ditto.
* doc/contrib.texi: Ditto.
* doc/gcc.texi: Ditto.
* genattrtab.h: Remove it.
* genautomata.c: Remove it.
* genattr.c: Undo my patch and Richard Henderson's patch commited
2001-08-27.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@45297 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/rtl.h')
| -rw-r--r-- | gcc/rtl.h | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/gcc/rtl.h b/gcc/rtl.h index b40ac725f16..3a0a019f0f0 100644 --- a/gcc/rtl.h +++ b/gcc/rtl.h @@ -110,9 +110,11 @@ struct rtx_def ENUM_BITFIELD(machine_mode) mode : 8; /* 1 in an INSN if it can alter flow of control - within this function. */ + within this function. + LINK_COST_ZERO in an INSN_LIST. */ unsigned int jump : 1; - /* 1 in an INSN if it can call another function. */ + /* 1 in an INSN if it can call another function. + LINK_COST_FREE in an INSN_LIST. */ unsigned int call : 1; /* 1 in a REG if value of this expression will never change during the current function, even though it is not manifestly constant. @@ -897,6 +899,16 @@ extern unsigned int subreg_regno PARAMS ((rtx)); with the preceding insn. */ #define SCHED_GROUP_P(INSN) ((INSN)->in_struct) +/* During sched, for the LOG_LINKS of an insn, these cache the adjusted + cost of the dependence link. The cost of executing an instruction + may vary based on how the results are used. LINK_COST_ZERO is 1 when + the cost through the link varies and is unchanged (i.e., the link has + zero additional cost). LINK_COST_FREE is 1 when the cost through the + link is zero (i.e., the link makes the cost free). In other cases, + the adjustment to the cost is recomputed each time it is needed. */ +#define LINK_COST_ZERO(X) ((X)->jump) +#define LINK_COST_FREE(X) ((X)->call) + /* For a SET rtx, SET_DEST is the place that is set and SET_SRC is the value it is set to. */ #define SET_DEST(RTX) XC2EXP(RTX, 0, SET, CLOBBER) |