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| author | ian <ian@138bc75d-0d04-0410-961f-82ee72b054a4> | 1996-10-23 22:01:23 +0000 |
|---|---|---|
| committer | ian <ian@138bc75d-0d04-0410-961f-82ee72b054a4> | 1996-10-23 22:01:23 +0000 |
| commit | de0fdb4fb601611abc53c63cfbd3d9e08aab42bb (patch) | |
| tree | 3719bb68e505390f4d90896ae31094e96f0d09df /gcc/reload.c | |
| parent | 5eb94d9dda2ce58e9af75d1d1ef38951e92f38fa (diff) | |
| download | gcc-de0fdb4fb601611abc53c63cfbd3d9e08aab42bb.tar.gz | |
Accept a unary operator in find_reloads
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@13016 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/reload.c')
| -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 5f72b14591c..049c3a008b2 100644 --- a/gcc/reload.c +++ b/gcc/reload.c @@ -2533,9 +2533,10 @@ find_reloads (insn, replace, ind_levels, live_known, reload_reg_p) ind_levels, set != 0 && &SET_DEST (set) == recog_operand_loc[i]); - else if (code == PLUS) - /* We can get a PLUS as an "operand" as a result of - register elimination. See eliminate_regs and gen_reload. */ + else if (code == PLUS || GET_RTX_CLASS (code) == '1') + /* We can get a PLUS as an "operand" as a result of register + elimination. See eliminate_regs and gen_reload. We handle + a unary operator by reloading the operand. */ substed_operand[i] = recog_operand[i] = *recog_operand_loc[i] = find_reloads_toplev (recog_operand[i], i, address_type[i], ind_levels, 0); @@ -2674,6 +2675,11 @@ find_reloads (insn, replace, ind_levels, live_known, reload_reg_p) int constmemok = 0; int earlyclobber = 0; + /* If the predicate accepts a unary operator, it means that + we need to reload the operand. */ + if (GET_RTX_CLASS (GET_CODE (operand)) == '1') + operand = XEXP (operand, 0); + /* If the operand is a SUBREG, extract the REG or MEM (or maybe even a constant) within. (Constants can occur as a result of reg_equiv_constant.) */ |