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| author | Jan Hubicka <hubicka@freesoft.cz> | 1999-11-21 12:33:17 +0000 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 1999-11-21 12:33:17 +0000 |
| commit | 246fd41f2d73a1ded9b7b1fd5d9c6ea7d5d82a11 (patch) | |
| tree | faad37a97de1c3583de42c43a416e945058c536d /gcc/regclass.c | |
| parent | eeae2112fae80a54aedef36282238a548d3fcf08 (diff) | |
| download | gcc-246fd41f2d73a1ded9b7b1fd5d9c6ea7d5d82a11.zip gcc-246fd41f2d73a1ded9b7b1fd5d9c6ea7d5d82a11.tar.gz gcc-246fd41f2d73a1ded9b7b1fd5d9c6ea7d5d82a11.tar.bz2 | |
regclass.c (dump_regclass): New function.
* regclass.c (dump_regclass): New function.
(regclass): New parameter DUMP, call DUMP_REGCLASS.
* toplev.c (rest_of_compilation): Opent lreg dump file before regclass,
pass rtl_dump_file to regclass.
* rtl.h (regclass): Update prototype.
From-SVN: r30600
Diffstat (limited to 'gcc/regclass.c')
| -rw-r--r-- | gcc/regclass.c | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/gcc/regclass.c b/gcc/regclass.c index d495fdc..f14433c 100644 --- a/gcc/regclass.c +++ b/gcc/regclass.c @@ -696,6 +696,7 @@ static int loop_depth; static int loop_cost; static rtx scan_one_insn PROTO((rtx, int)); +static void dump_regclass PROTO((FILE *)); static void record_reg_classes PROTO((int, int, rtx *, enum machine_mode *, char *, const char **, rtx)); static int copy_cost PROTO((rtx, enum machine_mode, @@ -745,6 +746,28 @@ regclass_init () prefclass = 0; } +/* Dump register costs. */ +void +dump_regclass (dump) + FILE *dump; +{ + static const char *const reg_class_names[] = REG_CLASS_NAMES; + int i; + for (i = FIRST_PSEUDO_REGISTER; i < max_regno; i++) + { + enum reg_class class; + if (REG_N_REFS (i)) + { + fprintf (dump, ";; Register %i costs:", i); + for (class = 0; class < N_REG_CLASSES; class++) + fprintf (dump, " %s:%i", reg_class_names[(int) class], + costs[i].cost[class]); + fprintf (dump, " MEM:%i\n\n", costs[i].mem_cost); + } + } +} + + /* Subroutine of regclass, processes one insn INSN. Scan it and record each time it would save code to put a certain register in a certain class. PASS, when nonzero, inhibits some optimizations which need only be done @@ -951,9 +974,10 @@ scan_one_insn (insn, pass) This pass comes just before local register allocation. */ void -regclass (f, nregs) +regclass (f, nregs, dump) rtx f; int nregs; + FILE *dump; { register rtx insn; register int i; @@ -1109,6 +1133,8 @@ regclass (f, nregs) } } + if (dump) + dump_regclass (dump); #ifdef FORBIDDEN_INC_DEC_CLASSES free (in_inc_dec); #endif |