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authorBen Cheng <bccheng@google.com>2013-08-05 15:18:29 -0700
committerBen Cheng <bccheng@google.com>2013-08-05 16:03:48 -0700
commit32fce3edda831e36ee484406c39dffbe0230f257 (patch)
tree733b1b5398304b260a4ee3d5d9b17da5038c5486 /gcc-4.8/gcc/expr.c
parente85b9ca2afe8edbb9fa99c6ce2cc4e52dce18c21 (diff)
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[4.8] Merge GCC 4.8.1
Change-Id: Ic8a60b7563f5172440fd40788605163a0cca6e30
Diffstat (limited to 'gcc-4.8/gcc/expr.c')
-rw-r--r--gcc-4.8/gcc/expr.c38
1 files changed, 37 insertions, 1 deletions
diff --git a/gcc-4.8/gcc/expr.c b/gcc-4.8/gcc/expr.c
index e3fb0b63b..2c5f21aa9 100644
--- a/gcc-4.8/gcc/expr.c
+++ b/gcc-4.8/gcc/expr.c
@@ -7563,6 +7563,15 @@ expand_expr_addr_expr_1 (tree exp, rtx target, enum machine_mode tmode,
inner = TREE_OPERAND (exp, 0);
break;
+ case COMPOUND_LITERAL_EXPR:
+ /* Allow COMPOUND_LITERAL_EXPR in initializers, if e.g.
+ rtl_for_decl_init is called on DECL_INITIAL with
+ COMPOUNT_LITERAL_EXPRs in it, they aren't gimplified. */
+ if (modifier == EXPAND_INITIALIZER
+ && COMPOUND_LITERAL_EXPR_DECL (exp))
+ return expand_expr_addr_expr_1 (COMPOUND_LITERAL_EXPR_DECL (exp),
+ target, tmode, modifier, as);
+ /* FALLTHRU */
default:
/* If the object is a DECL, then expand it for its rtl. Don't bypass
expand_expr, as that can have various side effects; LABEL_DECLs for
@@ -8383,6 +8392,15 @@ expand_expr_real_2 (sepops ops, rtx target, enum machine_mode tmode,
else
expand_operands (treeop0, treeop1, NULL_RTX, &op1, &op0,
EXPAND_NORMAL);
+ /* op0 and op1 might still be constant, despite the above
+ != INTEGER_CST check. Handle it. */
+ if (GET_MODE (op0) == VOIDmode && GET_MODE (op1) == VOIDmode)
+ {
+ op0 = convert_modes (innermode, mode, op0, true);
+ op1 = convert_modes (innermode, mode, op1, false);
+ return REDUCE_BIT_FIELD (expand_mult (mode, op0, op1,
+ target, unsignedp));
+ }
goto binop3;
}
}
@@ -8405,6 +8423,19 @@ expand_expr_real_2 (sepops ops, rtx target, enum machine_mode tmode,
{
expand_operands (treeop0, treeop1, NULL_RTX, &op0, &op1,
EXPAND_NORMAL);
+ /* op0 and op1 might still be constant, despite the above
+ != INTEGER_CST check. Handle it. */
+ if (GET_MODE (op0) == VOIDmode && GET_MODE (op1) == VOIDmode)
+ {
+ widen_mult_const:
+ op0 = convert_modes (innermode, mode, op0, zextend_p);
+ op1
+ = convert_modes (innermode, mode, op1,
+ TYPE_UNSIGNED (TREE_TYPE (treeop1)));
+ return REDUCE_BIT_FIELD (expand_mult (mode, op0, op1,
+ target,
+ unsignedp));
+ }
temp = expand_widening_mult (mode, op0, op1, target,
unsignedp, this_optab);
return REDUCE_BIT_FIELD (temp);
@@ -8417,9 +8448,14 @@ expand_expr_real_2 (sepops ops, rtx target, enum machine_mode tmode,
op0 = expand_normal (treeop0);
if (TREE_CODE (treeop1) == INTEGER_CST)
op1 = convert_modes (innermode, mode,
- expand_normal (treeop1), unsignedp);
+ expand_normal (treeop1),
+ TYPE_UNSIGNED (TREE_TYPE (treeop1)));
else
op1 = expand_normal (treeop1);
+ /* op0 and op1 might still be constant, despite the above
+ != INTEGER_CST check. Handle it. */
+ if (GET_MODE (op0) == VOIDmode && GET_MODE (op1) == VOIDmode)
+ goto widen_mult_const;
temp = expand_binop (mode, other_optab, op0, op1, target,
unsignedp, OPTAB_LIB_WIDEN);
hipart = gen_highpart (innermode, temp);