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author | Richard Kenner <kenner@gcc.gnu.org> | 1993-10-08 19:30:27 -0400 |
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committer | Richard Kenner <kenner@gcc.gnu.org> | 1993-10-08 19:30:27 -0400 |
commit | ee456b1c6482bcfc3baf4af98e1037323efc0294 (patch) | |
tree | d9ffdc61183ee06508c442ba52b17b51222161f4 | |
parent | a07287f03859fc7d67f28b37a7a44aae60bcc9c7 (diff) | |
download | gcc-ee456b1c6482bcfc3baf4af98e1037323efc0294.zip gcc-ee456b1c6482bcfc3baf4af98e1037323efc0294.tar.gz gcc-ee456b1c6482bcfc3baf4af98e1037323efc0294.tar.bz2 |
Undo rev 1.156 change; redundant with rev 1.155 change.
From-SVN: r5694
-rw-r--r-- | gcc/expr.c | 36 |
1 files changed, 11 insertions, 25 deletions
@@ -5041,56 +5041,42 @@ expand_expr (exp, target, tmode, modifier) if (temp != 0) return temp; - /* If TARGET is volatile, do the work into a pseudo, - then store it (just once!) into TARGET. */ - subtarget = target; - if (GET_CODE (subtarget) == MEM && MEM_VOLATILE_P (subtarget)) - subtarget = gen_rtx (GET_MODE (subtarget)); - - /* First, copy operand 0. */ - - if (subtarget != op0) - emit_move_insn (subtarget, op0); + if (target != op0) + emit_move_insn (target, op0); op0 = gen_label_rtx (); - - /* Then, if operand 1 is better, copy that. */ - /* If this mode is an integer too wide to compare properly, compare word by word. Rely on cse to optimize constant cases. */ if (GET_MODE_CLASS (mode) == MODE_INT && !can_compare_p (mode)) { if (code == MAX_EXPR) - do_jump_by_parts_greater_rtx (mode, TREE_UNSIGNED (type), subtarget, op1, NULL, op0); + do_jump_by_parts_greater_rtx (mode, TREE_UNSIGNED (type), target, op1, NULL, op0); else - do_jump_by_parts_greater_rtx (mode, TREE_UNSIGNED (type), op1, subtarget, NULL, op0); - emit_move_insn (subtarget, op1); + do_jump_by_parts_greater_rtx (mode, TREE_UNSIGNED (type), op1, target, NULL, op0); + emit_move_insn (target, op1); } else { if (code == MAX_EXPR) temp = (TREE_UNSIGNED (TREE_TYPE (TREE_OPERAND (exp, 1))) - ? compare_from_rtx (subtarget, op1, GEU, 1, mode, NULL_RTX, 0) - : compare_from_rtx (subtarget, op1, GE, 0, mode, NULL_RTX, 0)); + ? compare_from_rtx (target, op1, GEU, 1, mode, NULL_RTX, 0) + : compare_from_rtx (target, op1, GE, 0, mode, NULL_RTX, 0)); else temp = (TREE_UNSIGNED (TREE_TYPE (TREE_OPERAND (exp, 1))) - ? compare_from_rtx (subtarget, op1, LEU, 1, mode, NULL_RTX, 0) - : compare_from_rtx (subtarget, op1, LE, 0, mode, NULL_RTX, 0)); + ? compare_from_rtx (target, op1, LEU, 1, mode, NULL_RTX, 0) + : compare_from_rtx (target, op1, LE, 0, mode, NULL_RTX, 0)); if (temp == const0_rtx) - emit_move_insn (subtarget, op1); + emit_move_insn (target, op1); else if (temp != const_true_rtx) { if (bcc_gen_fctn[(int) GET_CODE (temp)] != 0) emit_jump_insn ((*bcc_gen_fctn[(int) GET_CODE (temp)]) (op0)); else abort (); - emit_move_insn (subtarget, op1); + emit_move_insn (target, op1); } } emit_label (op0); - /* Store into the real target. */ - if (target != subtarget) - emit_move_insn (target, subtarget); return target; /* ??? Can optimize when the operand of this is a bitwise operation, |