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| author | Kazu Hirata <kazu@cs.umass.edu> | 2004-02-05 14:15:35 +0000 |
|---|---|---|
| committer | Kazu Hirata <kazu@gcc.gnu.org> | 2004-02-05 14:15:35 +0000 |
| commit | f822fcf76dd9b872af4018611317e38b5047898f (patch) | |
| tree | 86f5c26ee242cb0f765c946382bfa4c105284d28 /gcc/emit-rtl.c | |
| parent | 4ef84575dff847b54b2aa82224b507319f78e3db (diff) | |
| download | gcc-f822fcf76dd9b872af4018611317e38b5047898f.zip gcc-f822fcf76dd9b872af4018611317e38b5047898f.tar.gz gcc-f822fcf76dd9b872af4018611317e38b5047898f.tar.bz2 | |
* emit-rtl.c: Update the comment about the file.
From-SVN: r77312
Diffstat (limited to 'gcc/emit-rtl.c')
| -rw-r--r-- | gcc/emit-rtl.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c index 12e54bd..6402f43 100644 --- a/gcc/emit-rtl.c +++ b/gcc/emit-rtl.c @@ -22,17 +22,14 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA /* Middle-to-low level generation of rtx code and insns. - This file contains the functions `gen_reg_rtx' and `gen_label_rtx' - that are the usual ways of creating rtl expressions for most - purposes. - - It also has the functions for creating insns and linking - them in the doubly-linked chain. + This file contains support functions for creating rtl expressions + and manipulating them in the doubly-linked chain of insns. The patterns of the insns are created by machine-dependent routines in insn-emit.c, which is generated automatically from - the machine description. These routines use `gen_rtx_fmt_ee' and - others to make the individual rtx's of the pattern; what is machine + the machine description. These routines make the individual rtx's + of the pattern with `gen_rtx_fmt_ee' and others in genrtl.[ch], + which are automatically generated from rtl.def; what is machine dependent is the kind of rtx's they make and what arguments they use. */ |