diff options
Diffstat (limited to 'gcc/cfgexpand.c')
| -rw-r--r-- | gcc/cfgexpand.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/gcc/cfgexpand.c b/gcc/cfgexpand.c index d0e07821489..79204bd49e4 100644 --- a/gcc/cfgexpand.c +++ b/gcc/cfgexpand.c @@ -4361,9 +4361,12 @@ expand_debug_expr (tree exp) else op0 = simplify_gen_unary (FIX, mode, op0, inner_mode); } - else if (CONSTANT_P (op0) - || GET_MODE_PRECISION (mode) <= GET_MODE_PRECISION (inner_mode)) + else if (GET_MODE_UNIT_PRECISION (mode) + == GET_MODE_UNIT_PRECISION (inner_mode)) op0 = lowpart_subreg (mode, op0, inner_mode); + else if (GET_MODE_UNIT_PRECISION (mode) + < GET_MODE_UNIT_PRECISION (inner_mode)) + op0 = simplify_gen_unary (TRUNCATE, mode, op0, inner_mode); else if (UNARY_CLASS_P (exp) ? TYPE_UNSIGNED (TREE_TYPE (TREE_OPERAND (exp, 0))) : unsignedp) @@ -5222,9 +5225,12 @@ expand_debug_source_expr (tree exp) else op0 = simplify_gen_unary (FIX, mode, op0, inner_mode); } - else if (CONSTANT_P (op0) - || GET_MODE_BITSIZE (mode) <= GET_MODE_BITSIZE (inner_mode)) + else if (GET_MODE_UNIT_PRECISION (mode) + == GET_MODE_UNIT_PRECISION (inner_mode)) op0 = lowpart_subreg (mode, op0, inner_mode); + else if (GET_MODE_UNIT_PRECISION (mode) + < GET_MODE_UNIT_PRECISION (inner_mode)) + op0 = simplify_gen_unary (TRUNCATE, mode, op0, inner_mode); else if (TYPE_UNSIGNED (TREE_TYPE (exp))) op0 = simplify_gen_unary (ZERO_EXTEND, mode, op0, inner_mode); else |