diff options
| author | Richard Kenner <kenner@gcc.gnu.org> | 1993-03-29 16:39:58 -0500 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1993-03-29 16:39:58 -0500 |
| commit | 77545d45a37ae31d6749dd80ed71362081579697 (patch) | |
| tree | 884ddce8323851a3d81620ad29be0d45a445fd52 | |
| parent | 7967c666c27082f9f7d31500c1ec00fa0d18d055 (diff) | |
| download | gcc-77545d45a37ae31d6749dd80ed71362081579697.zip gcc-77545d45a37ae31d6749dd80ed71362081579697.tar.gz gcc-77545d45a37ae31d6749dd80ed71362081579697.tar.bz2 | |
(secondary_memlocs_elim): Now one per mode per operand.
(get_secondary_mem, combine_reloads): Reflect changed var above.
(clear_secondary_mem): Use bzero.
From-SVN: r3915
| -rw-r--r-- | gcc/reload.c | 29 |
1 files changed, 13 insertions, 16 deletions
diff --git a/gcc/reload.c b/gcc/reload.c index 9952296..aa4744c 100644 --- a/gcc/reload.c +++ b/gcc/reload.c @@ -226,7 +226,7 @@ static int n_memlocs; reload each. */ static rtx secondary_memlocs[NUM_MACHINE_MODES]; -static rtx secondary_memlocs_elim[MAX_RECOG_OPERANDS]; +static rtx secondary_memlocs_elim[NUM_MACHINE_MODES][MAX_RECOG_OPERANDS]; #endif /* The instruction we are doing reloads for; @@ -434,9 +434,9 @@ get_secondary_mem (x, mode, opnum, type) if (GET_MODE_BITSIZE (mode) < BITS_PER_WORD) mode = mode_for_size (BITS_PER_WORD, GET_MODE_CLASS (mode), 0); - /* If we already have made a MEM for this operand, return it. */ - if (secondary_memlocs_elim[opnum] != 0) - return secondary_memlocs_elim[opnum]; + /* If we already have made a MEM for this operand in MODE, return it. */ + if (secondary_memlocs_elim[(int) mode][opnum] != 0) + return secondary_memlocs_elim[(int) mode][opnum]; /* If this is the first time we've tried to get a MEM for this mode, allocate a new one. `something_changed' in reload will get set @@ -478,7 +478,7 @@ get_secondary_mem (x, mode, opnum, type) opnum, type, 0); } - secondary_memlocs_elim[opnum] = loc; + secondary_memlocs_elim[(int) mode][opnum] = loc; return loc; } @@ -487,10 +487,7 @@ get_secondary_mem (x, mode, opnum, type) void clear_secondary_mem () { - int i; - - for (i = 0; i < NUM_MACHINE_MODES; i++) - secondary_memlocs[i] = 0; + bzero (secondary_memlocs, sizeof secondary_memlocs); } #endif /* SECONDARY_MEMORY_NEEDED */ @@ -1385,10 +1382,10 @@ combine_reloads () || reload_secondary_reload[output_reload] == -1) #ifdef SECONDARY_MEMORY_NEEDED /* Likewise for different secondary memory locations. */ - && (secondary_memlocs_elim[reload_opnum[i]] == 0 - || secondary_memlocs_elim[reload_opnum[output_reload]] == 0 - || rtx_equal_p (secondary_memlocs_elim[reload_opnum[i]], - secondary_memlocs_elim[reload_opnum[output_reload]])) + && (secondary_memlocs_elim[(int) reload_outmode[output_reload]][reload_opnum[i]] == 0 + || secondary_memlocs_elim[(int) reload_outmode[output_reload]][reload_opnum[output_reload]] == 0 + || rtx_equal_p (secondary_memlocs_elim[(int) reload_outmode[output_reload]][reload_opnum[i]], + secondary_memlocs_elim[(int) reload_outmode[output_reload]][reload_opnum[output_reload]])) #endif #ifdef SMALL_REGISTER_CLASSES && reload_reg_class[i] == reload_reg_class[output_reload] @@ -1437,9 +1434,9 @@ combine_reloads () reload_secondary_reload[i] = reload_secondary_reload[output_reload]; #ifdef SECONDARY_MEMORY_NEEDED /* Copy any secondary MEM. */ - if (secondary_memlocs_elim[reload_opnum[output_reload]] != 0) - secondary_memlocs_elim[reload_opnum[i]] - = secondary_memlocs_elim[reload_opnum[output_reload]]; + if (secondary_memlocs_elim[(int) reload_outmode[output_reload]][reload_opnum[output_reload]] != 0) + secondary_memlocs_elim[(int) reload_outmode[output_reload]][reload_opnum[i]] + = secondary_memlocs_elim[(int) reload_outmode[output_reload]][reload_opnum[output_reload]]; #endif /* If required, minimize the register class. */ if (reg_class_subset_p (reload_reg_class[output_reload], |