diff options
Diffstat (limited to 'gcc/expr.cc')
| -rw-r--r-- | gcc/expr.cc | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/expr.cc b/gcc/expr.cc index 3f2b121..3d2b253 100644 --- a/gcc/expr.cc +++ b/gcc/expr.cc @@ -76,6 +76,10 @@ along with GCC; see the file COPYING3. If not see the same indirect address eventually. */ int cse_not_expected; +/* Cache of the "extended" flag in the target's _BitInt description + for use during expand. */ +int bitint_extended = -1; + static bool block_move_libcall_safe_for_call_parm (void); static bool emit_block_move_via_pattern (rtx, rtx, rtx, unsigned, unsigned, HOST_WIDE_INT, unsigned HOST_WIDE_INT, @@ -11280,6 +11284,7 @@ expand_expr_real_1 (tree exp, rtx target, machine_mode tmode, when reading from SSA_NAMEs of vars. */ #define EXTEND_BITINT(expr) \ ((TREE_CODE (type) == BITINT_TYPE \ + && !bitint_extended \ && reduce_bit_field \ && mode != BLKmode \ && modifier != EXPAND_MEMORY \ @@ -11291,6 +11296,13 @@ expand_expr_real_1 (tree exp, rtx target, machine_mode tmode, type = TREE_TYPE (exp); mode = TYPE_MODE (type); unsignedp = TYPE_UNSIGNED (type); + if (TREE_CODE (type) == BITINT_TYPE && bitint_extended == -1) + { + struct bitint_info info; + bool ok = targetm.c.bitint_type_info (TYPE_PRECISION (type), &info); + gcc_assert (ok); + bitint_extended = info.extended; + } treeop0 = treeop1 = treeop2 = NULL_TREE; if (!VL_EXP_CLASS_P (exp)) |