diff options
| author | Jim Wilson <wilson@gcc.gnu.org> | 1997-02-04 16:29:03 -0800 |
|---|---|---|
| committer | Jim Wilson <wilson@gcc.gnu.org> | 1997-02-04 16:29:03 -0800 |
| commit | 4757e6a402f5badc3386168bc080c0b435417c91 (patch) | |
| tree | 988a8dd5e9a17c784e388086a48ff94033a55f1d | |
| parent | ac684a206cf3b8708d77398bebe76fb63308e88c (diff) | |
| download | gcc-4757e6a402f5badc3386168bc080c0b435417c91.zip gcc-4757e6a402f5badc3386168bc080c0b435417c91.tar.gz gcc-4757e6a402f5badc3386168bc080c0b435417c91.tar.bz2 | |
(find_reloads_address_1, case POST_INC): Don't use
ADDR_TYPE here.
From-SVN: r13608
| -rw-r--r-- | gcc/reload.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/gcc/reload.c b/gcc/reload.c index f1b7923..a15e412 100644 --- a/gcc/reload.c +++ b/gcc/reload.c @@ -4855,9 +4855,12 @@ find_reloads_address_1 (mode, x, context, loc, opnum, type, ind_levels) if (reg_equiv_address[regno] != 0) { rtx tem = make_memloc (XEXP (x, 0), regno); - /* First reload the memory location's address. */ + /* First reload the memory location's address. + We can't use ADDR_TYPE (type) here, because we need to + write back the value after reading it, hence we actually + need two registers. */ find_reloads_address (GET_MODE (tem), 0, XEXP (tem, 0), - &XEXP (tem, 0), opnum, ADDR_TYPE (type), + &XEXP (tem, 0), opnum, type, ind_levels); /* Put this inside a new increment-expression. */ x = gen_rtx (GET_CODE (x), GET_MODE (x), tem); @@ -4924,9 +4927,12 @@ find_reloads_address_1 (mode, x, context, loc, opnum, type, ind_levels) Note that this is actually conservative: it would be slightly more efficient to use the value of SPILL_INDIRECT_LEVELS from reload1.c here. */ + /* We can't use ADDR_TYPE (type) here, because we need to + write back the value after reading it, hence we actually + need two registers. */ find_reloads_address (GET_MODE (x), &XEXP (x, 0), XEXP (XEXP (x, 0), 0), &XEXP (XEXP (x, 0), 0), - opnum, ADDR_TYPE (type), ind_levels); + opnum, type, ind_levels); reloadnum = push_reload (x, NULL_RTX, loc, NULL_PTR, (context |