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author | cpopetz <cpopetz@138bc75d-0d04-0410-961f-82ee72b054a4> | 2000-05-03 17:45:26 +0000 |
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committer | cpopetz <cpopetz@138bc75d-0d04-0410-961f-82ee72b054a4> | 2000-05-03 17:45:26 +0000 |
commit | c5ddd6b5dc28a14f02289ac8e4ce8a5ef7c9426a (patch) | |
tree | 51d16ed3ff5a009c7dd29449525fd4e9a6dc37c1 /gcc/genconfig.c | |
parent | 5da035580c776cbe8197d2961c425db357d61fea (diff) | |
download | gcc-c5ddd6b5dc28a14f02289ac8e4ce8a5ef7c9426a.tar.gz |
* gensupport.c: New file.
* gensupport.h: New file.
* Makefile.in (HOST_RTL): Depend on gensupport.
(gensupport.o) New rule.
* genattr.c: Use gensupport for reading .md files.
* genattrtab.c: Ditto.
* gencodes.c: Ditto.
* genconfig.c: Ditto.
* genemit.c: Ditto.
* genextract.c: Ditto.
* genflags.c: Ditto.
* genopinit.c: Ditto.
* genoutput.c: Ditto.
* genpeep.c: Ditto.
* genrecog.c: Ditto.
* rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
* md.texi (Insn Splitting): Document define_insn_and_split.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@33633 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/genconfig.c')
-rw-r--r-- | gcc/genconfig.c | 61 |
1 files changed, 33 insertions, 28 deletions
diff --git a/gcc/genconfig.c b/gcc/genconfig.c index d78af0384b3..077216292e9 100644 --- a/gcc/genconfig.c +++ b/gcc/genconfig.c @@ -26,6 +26,7 @@ Boston, MA 02111-1307, USA. */ #include "rtl.h" #include "obstack.h" #include "errors.h" +#include "gensupport.h" static struct obstack obstack; struct obstack *rtl_obstack = &obstack; @@ -279,8 +280,6 @@ main (argc, argv) char **argv; { rtx desc; - FILE *infile; - register int c; progname = "genconfig"; obstack_init (rtl_obstack); @@ -288,13 +287,8 @@ main (argc, argv) if (argc <= 1) fatal ("No input file name."); - infile = fopen (argv[1], "r"); - if (infile == 0) - { - perror (argv[1]); - return (FATAL_EXIT_CODE); - } - read_rtx_filename = argv[1]; + if (init_md_reader (argv[1]) != SUCCESS_EXIT_CODE) + return (FATAL_EXIT_CODE); printf ("/* Generated automatically by the program `genconfig'\n\ from the machine description file `md'. */\n\n"); @@ -307,27 +301,38 @@ from the machine description file `md'. */\n\n"); while (1) { - c = read_skip_spaces (infile); - if (c == EOF) + int line_no, insn_code_number = 0; + + desc = read_md_rtx (&line_no, &insn_code_number); + if (desc == NULL) break; - ungetc (c, infile); - - desc = read_rtx (infile); - if (GET_CODE (desc) == DEFINE_INSN) - gen_insn (desc); - if (GET_CODE (desc) == DEFINE_EXPAND) - gen_expand (desc); - if (GET_CODE (desc) == DEFINE_SPLIT) - gen_split (desc); - if (GET_CODE (desc) == DEFINE_PEEPHOLE2) - { - have_peephole2_flag = 1; - gen_split (desc); - } - if (GET_CODE (desc) == DEFINE_PEEPHOLE) + + switch (GET_CODE (desc)) { - have_peephole_flag = 1; - gen_peephole (desc); + case DEFINE_INSN: + gen_insn (desc); + break; + + case DEFINE_EXPAND: + gen_expand (desc); + break; + + case DEFINE_SPLIT: + gen_split (desc); + break; + + case DEFINE_PEEPHOLE2: + have_peephole2_flag = 1; + gen_split (desc); + break; + + case DEFINE_PEEPHOLE: + have_peephole_flag = 1; + gen_peephole (desc); + break; + + default: + break; } } |