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| author | Jim Wilson <wilson@gcc.gnu.org> | 1993-09-01 15:07:57 -0700 |
|---|---|---|
| committer | Jim Wilson <wilson@gcc.gnu.org> | 1993-09-01 15:07:57 -0700 |
| commit | 87935f601efe35aa8fbefbd4cb53c92864148b14 (patch) | |
| tree | f2015339df02ca5cc8ca4fe4c6faac6fb2fbb425 | |
| parent | 5555d6d103826d686f2f4658f028009db877bdd2 (diff) | |
| download | gcc-87935f601efe35aa8fbefbd4cb53c92864148b14.zip gcc-87935f601efe35aa8fbefbd4cb53c92864148b14.tar.gz gcc-87935f601efe35aa8fbefbd4cb53c92864148b14.tar.bz2 | |
(find_reloads_address_1): Handle SUBREGs same as REGs.
From-SVN: r5240
| -rw-r--r-- | gcc/reload.c | 54 |
1 files changed, 34 insertions, 20 deletions
diff --git a/gcc/reload.c b/gcc/reload.c index f3e8802..37d0efc 100644 --- a/gcc/reload.c +++ b/gcc/reload.c @@ -4379,30 +4379,44 @@ find_reloads_address_1 (x, context, loc, opnum, type, ind_levels) if (code == PLUS) { - register rtx op0 = XEXP (x, 0); - register rtx op1 = XEXP (x, 1); - register RTX_CODE code0 = GET_CODE (op0); - register RTX_CODE code1 = GET_CODE (op1); + register rtx orig_op0 = XEXP (x, 0); + register rtx orig_op1 = XEXP (x, 1); + register RTX_CODE code0 = GET_CODE (orig_op0); + register RTX_CODE code1 = GET_CODE (orig_op1); + register rtx op0 = orig_op0; + register rtx op1 = orig_op1; + + if (GET_CODE (op0) == SUBREG) + { + op0 = SUBREG_REG (op0); + code0 = GET_CODE (op0); + } + if (GET_CODE (op1) == SUBREG) + { + op1 = SUBREG_REG (op1); + code1 = GET_CODE (op1); + } + if (code0 == MULT || code0 == SIGN_EXTEND || code1 == MEM) { - find_reloads_address_1 (op0, 1, &XEXP (x, 0), opnum, type, + find_reloads_address_1 (orig_op0, 1, &XEXP (x, 0), opnum, type, ind_levels); - find_reloads_address_1 (op1, 0, &XEXP (x, 1), opnum, type, + find_reloads_address_1 (orig_op1, 0, &XEXP (x, 1), opnum, type, ind_levels); } else if (code1 == MULT || code1 == SIGN_EXTEND || code0 == MEM) { - find_reloads_address_1 (op0, 0, &XEXP (x, 0), opnum, type, + find_reloads_address_1 (orig_op0, 0, &XEXP (x, 0), opnum, type, ind_levels); - find_reloads_address_1 (op1, 1, &XEXP (x, 1), opnum, type, + find_reloads_address_1 (orig_op1, 1, &XEXP (x, 1), opnum, type, ind_levels); } else if (code0 == CONST_INT || code0 == CONST || code0 == SYMBOL_REF || code0 == LABEL_REF) - find_reloads_address_1 (op1, 0, &XEXP (x, 1), opnum, type, ind_levels); + find_reloads_address_1 (orig_op1, 0, &XEXP (x, 1), opnum, type, ind_levels); else if (code1 == CONST_INT || code1 == CONST || code1 == SYMBOL_REF || code1 == LABEL_REF) - find_reloads_address_1 (op0, 0, &XEXP (x, 0), opnum, type, ind_levels); + find_reloads_address_1 (orig_op0, 0, &XEXP (x, 0), opnum, type, ind_levels); else if (code0 == REG && code1 == REG) { if (REG_OK_FOR_INDEX_P (op0) @@ -4412,37 +4426,37 @@ find_reloads_address_1 (x, context, loc, opnum, type, ind_levels) && REG_OK_FOR_BASE_P (op0)) return 0; else if (REG_OK_FOR_BASE_P (op1)) - find_reloads_address_1 (op0, 1, &XEXP (x, 0), opnum, type, + find_reloads_address_1 (orig_op0, 1, &XEXP (x, 0), opnum, type, ind_levels); else if (REG_OK_FOR_BASE_P (op0)) - find_reloads_address_1 (op1, 1, &XEXP (x, 1), opnum, type, + find_reloads_address_1 (orig_op1, 1, &XEXP (x, 1), opnum, type, ind_levels); else if (REG_OK_FOR_INDEX_P (op1)) - find_reloads_address_1 (op0, 0, &XEXP (x, 0), opnum, type, + find_reloads_address_1 (orig_op0, 0, &XEXP (x, 0), opnum, type, ind_levels); else if (REG_OK_FOR_INDEX_P (op0)) - find_reloads_address_1 (op1, 0, &XEXP (x, 1), opnum, type, + find_reloads_address_1 (orig_op1, 0, &XEXP (x, 1), opnum, type, ind_levels); else { - find_reloads_address_1 (op0, 1, &XEXP (x, 0), opnum, type, + find_reloads_address_1 (orig_op0, 1, &XEXP (x, 0), opnum, type, ind_levels); - find_reloads_address_1 (op1, 0, &XEXP (x, 1), opnum, type, + find_reloads_address_1 (orig_op1, 0, &XEXP (x, 1), opnum, type, ind_levels); } } else if (code0 == REG) { - find_reloads_address_1 (op0, 1, &XEXP (x, 0), opnum, type, + find_reloads_address_1 (orig_op0, 1, &XEXP (x, 0), opnum, type, ind_levels); - find_reloads_address_1 (op1, 0, &XEXP (x, 1), opnum, type, + find_reloads_address_1 (orig_op1, 0, &XEXP (x, 1), opnum, type, ind_levels); } else if (code1 == REG) { - find_reloads_address_1 (op1, 1, &XEXP (x, 1), opnum, type, + find_reloads_address_1 (orig_op1, 1, &XEXP (x, 1), opnum, type, ind_levels); - find_reloads_address_1 (op0, 0, &XEXP (x, 0), opnum, type, + find_reloads_address_1 (orig_op0, 0, &XEXP (x, 0), opnum, type, ind_levels); } } |