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authorJulian Brown <julian@codesourcery.com>2011-10-18 14:41:55 +0000
committerJulian Brown <julian@codesourcery.com>2011-10-18 14:41:55 +0000
commita415b1cd634be934d9d8b0ab73b942fc3af61db9 (patch)
tree28a268b903b0d50f37d78bfb06f048006a5f216a /opcodes
parent4af315526a36b17da6e2f2661d3c21efe935b5fb (diff)
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Jie Zhang <jie@codesourcery.com>
Julian Brown <julian@codesourcery.com> gas/ * config/tc-arm.c (parse_shifter_operand): Fix handling of explicit rotation. (encode_arm_shifter_operand): Likewise. gas/testsuite/ * gas/arm/adrl.d: Adjust. * gas/arm/immed2.d: New test. * gas/arm/immed2.s: New test. ld/testsuite/ * ld-arm/cortex-a8-fix-b-plt.d: Adjust. * ld-arm/cortex-a8-fix-bcc-plt.d: Adjust. * ld-arm/cortex-a8-fix-bl-plt.d: Adjust. * ld-arm/cortex-a8-fix-bl-rel-plt.d: Adjust. * ld-arm/cortex-a8-fix-blx-plt.d: Adjust. * ld-arm/ifunc-1.dd: Adjust. * ld-arm/ifunc-2.dd: Adjust. * ld-arm/ifunc-3.dd: Adjust. * ld-arm/ifunc-4.dd: Adjust. * ld-arm/ifunc-5.dd: Adjust. * ld-arm/ifunc-6.dd: Adjust. * ld-arm/ifunc-7.dd: Adjust. * ld-arm/ifunc-8.dd: Adjust. * ld-arm/ifunc-9.dd: Adjust. * ld-arm/ifunc-10.dd: Adjust. * ld-arm/ifunc-14.dd: Adjust. * ld-arm/ifunc-15.dd: Adjust. * ld-arm/ifunc-16.dd: Adjust. opcodes/ * arm-dis.c (print_insn_arm): Explicitly specify rotation if needed.
Diffstat (limited to 'opcodes')
-rw-r--r--opcodes/ChangeLog5
-rw-r--r--opcodes/arm-dis.c22
2 files changed, 21 insertions, 6 deletions
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index 42dcc60..e14b99f 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,3 +1,8 @@
+2011-10-18 Jie Zhang <jie@codesourcery.com>
+ Julian Brown <julian@codesourcery.com>
+
+ * arm-dis.c (print_insn_arm): Explicitly specify rotation if needed.
+
2011-10-10 Nick Clifton <nickc@redhat.com>
* po/es.po: Updated Spanish translation.
diff --git a/opcodes/arm-dis.c b/opcodes/arm-dis.c
index fafa7f6..03062ad 100644
--- a/opcodes/arm-dis.c
+++ b/opcodes/arm-dis.c
@@ -3140,13 +3140,23 @@ print_insn_arm (bfd_vma pc, struct disassemble_info *info, long given)
case 'o':
if ((given & 0x02000000) != 0)
{
- int rotate = (given & 0xf00) >> 7;
- int immed = (given & 0xff);
+ unsigned int rotate = (given & 0xf00) >> 7;
+ unsigned int immed = (given & 0xff);
+ unsigned int a, i;
+
+ a = (((immed << (32 - rotate))
+ | (immed >> rotate)) & 0xffffffff);
+ /* If there is another encoding with smaller rotate,
+ the rotate should be specified directly. */
+ for (i = 0; i < 32; i += 2)
+ if ((a << i | a >> (32 - i)) <= 0xff)
+ break;
- immed = (((immed << (32 - rotate))
- | (immed >> rotate)) & 0xffffffff);
- func (stream, "#%d", immed);
- value_in_comment = immed;
+ if (i != rotate)
+ func (stream, "#%d, %d", immed, rotate);
+ else
+ func (stream, "#%d", a);
+ value_in_comment = a;
}
else
arm_decode_shift (given, func, stream, TRUE);