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[Bug gas/27283] New: gas for alpha fails to build with gcc 11
From: |
belyshev at depni dot sinp.msu.ru |
Subject: |
[Bug gas/27283] New: gas for alpha fails to build with gcc 11 |
Date: |
Sat, 30 Jan 2021 10:05:37 +0000 |
https://sourceware.org/bugzilla/show_bug.cgi?id=27283
Bug ID: 27283
Summary: gas for alpha fails to build with gcc 11
Product: binutils
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: gas
Assignee: unassigned at sourceware dot org
Reporter: belyshev at depni dot sinp.msu.ru
Target Milestone: ---
A new warning in GCC 11 triggers -Werror build failure in gas targeted for
alpha:
x86_64-pc-linux-gnu-gcc -DHAVE_CONFIG_H -I. -I../../binutils-gdb/gas -I.
-I../../binutils-gdb/gas -I../bfd -I../../binutils-gdb/gas/config
-I../../binutils-gdb/gas/../include -I../../binutils-gdb/gas/..
-I../../binutils-gdb/gas/../bfd -DLOCALEDIR="\"/usr/local/share/locale\"" -W
-Wall -Wstrict-prototypes -Wmissing-prototypes -Wshadow -Wstack-usage=262144
-Werror -Wwrite-strings -I../../binutils-gdb/gas/../zlib -g -O2 -MT
config/tc-alpha.o -MD -MP -MF $depbase.Tpo -c -o config/tc-alpha.o
../../binutils-gdb/gas/config/tc-alpha.c &&\
mv -f $depbase.Tpo $depbase.Po
../../binutils-gdb/gas/config/tc-alpha.c: In function 'insert_operand':
../../binutils-gdb/gas/config/tc-alpha.c:1978:21: error: comparison is always
true due to limited range of data type [-Werror=type-limits]
1978 | if (operand->bits != 32 && !(operand->flags &
AXP_OPERAND_NOOVERFLOW))
| ^~
Code in question is buggy since 2001:
+2001-09-04 Richard Henderson <rth@redhat.com>
+
+ * alpha.h (struct alpha_operand): Pack elements into bitfields.
+
...
diff --git a/include/opcode/alpha.h b/include/opcode/alpha.h
index 6f31e9ae09c..487b69605a3 100644
--- a/include/opcode/alpha.h
+++ b/include/opcode/alpha.h
@@ -81,16 +81,16 @@ extern const unsigned alpha_num_opcodes;
struct alpha_operand
{
/* The number of bits in the operand. */
- int bits;
+ unsigned int bits : 5;
--
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- [Bug gas/27283] New: gas for alpha fails to build with gcc 11,
belyshev at depni dot sinp.msu.ru <=