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| author | Richard Kenner <kenner@gcc.gnu.org> | 1992-08-17 07:37:25 -0400 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1992-08-17 07:37:25 -0400 |
| commit | 0bba3f6fb7f833ee2193c05d7f6d3fe781d332e9 (patch) | |
| tree | c98db57eb4b5b2f83fce7d35e0e137f7a76c9bd2 | |
| parent | a73f9fc940405d5f82345a726a5e8a6e071dc418 (diff) | |
| download | gcc-0bba3f6fb7f833ee2193c05d7f6d3fe781d332e9.zip gcc-0bba3f6fb7f833ee2193c05d7f6d3fe781d332e9.tar.gz gcc-0bba3f6fb7f833ee2193c05d7f6d3fe781d332e9.tar.bz2 | |
(expand_expr, case COMPONENT_REF): Don't actually do extraction from
memory if we want address.
(emit_block_move): Fix problems in last change.
From-SVN: r1873
| -rw-r--r-- | gcc/expr.c | 21 |
1 files changed, 14 insertions, 7 deletions
@@ -1175,26 +1175,31 @@ emit_block_move (x, y, size, align) including more than one in the machine description unless the more limited one has some advantage. */ + rtx opalign = GEN_INT (align); enum machine_mode mode; for (mode = GET_CLASS_NARROWEST_MODE (MODE_INT); mode != VOIDmode; mode = GET_MODE_WIDER_MODE (mode)) { enum insn_code code = movstr_optab[(int) mode]; - rtx opalign = GEN_INT (align); if (code != CODE_FOR_nothing - && GET_MODE_BITSIZE (mode) < HOST_BITS_PER_WIDE_INT + && GET_MODE_BITSIZE (mode) <= HOST_BITS_PER_WIDE_INT && (unsigned) INTVAL (size) <= GET_MODE_MASK (mode) - && (*insn_operand_predicate[(int) code][0]) (x, Pmode) - && (*insn_operand_predicate[(int) code][1]) (y, Pmode) - && (*insn_operand_predicate[(int) code][3]) (opalign, VOIDmode)) + && (insn_operand_predicate[(int) code][0] == 0 + || (*insn_operand_predicate[(int) code][0]) (x, BLKmode)) + && (insn_operand_predicate[(int) code][1] == 0 + || (*insn_operand_predicate[(int) code][1]) (y, BLKmode)) + && (insn_operand_predicate[(int) code][3] == 0 + || (*insn_operand_predicate[(int) code][3]) (opalign, + VOIDmode))) { rtx op2 = size; rtx last = get_last_insn (); rtx pat; - if (! (*insn_operand_predicate[(int) code][2]) (op2, mode)) + if (insn_operand_predicate[(int) code][2] != 0 + && ! (*insn_operand_predicate[(int) code][2]) (op2, mode)) op2 = copy_to_mode_reg (mode, op2); pat = GEN_FCN ((int) code) (x, y, op2, opalign); @@ -3662,7 +3667,9 @@ expand_expr (exp, target, tmode, modifier) } if (mode1 == VOIDmode - || (mode1 != BLKmode && ! direct_load[(int) mode1]) + || (mode1 != BLKmode && ! direct_load[(int) mode1] + && modifier != EXPAND_CONST_ADDRESS + && modifier != EXPAND_SUM && modifier != EXPAND_INITIALIZER) || GET_CODE (op0) == REG || GET_CODE (op0) == SUBREG) { /* In cases where an aligned union has an unaligned object |