gcc/gcc11-pr99562.patch

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2021-03-19 14:52:54 +00:00
2021-03-13 Jakub Jelinek <jakub@redhat.com>
PR debug/99562
PR debug/66728
* dwarf2out.c (get_full_len): Use get_precision rather than
min_precision.
(add_const_value_attribute): Make sure add_AT_wide argument has
precision prec rather than some very wide one.
--- gcc/dwarf2out.c.jj 2021-03-11 14:01:43.385194205 +0100
+++ gcc/dwarf2out.c 2021-03-12 17:34:49.365207265 +0100
@@ -385,13 +385,12 @@ dump_struct_debug (tree type, enum debug
#endif
/* Get the number of HOST_WIDE_INTs needed to represent the precision
- of the number. Some constants have a large uniform precision, so
- we get the precision needed for the actual value of the number. */
+ of the number. */
static unsigned int
get_full_len (const wide_int &op)
{
- int prec = wi::min_precision (op, UNSIGNED);
+ int prec = wi::get_precision (op);
return ((prec + HOST_BITS_PER_WIDE_INT - 1)
/ HOST_BITS_PER_WIDE_INT);
}
@@ -19732,8 +19731,9 @@ add_const_value_attribute (dw_die_ref di
{
wide_int w1 = rtx_mode_t (rtl, MAX_MODE_INT);
unsigned int prec = MIN (wi::min_precision (w1, UNSIGNED),
- (unsigned int)CONST_WIDE_INT_NUNITS (rtl) * HOST_BITS_PER_WIDE_INT);
- wide_int w = wi::zext (w1, prec);
+ (unsigned int) CONST_WIDE_INT_NUNITS (rtl)
+ * HOST_BITS_PER_WIDE_INT);
+ wide_int w = wide_int::from (w1, prec, UNSIGNED);
add_AT_wide (die, DW_AT_const_value, w);
}
return true;