ubsan: z8k: left shift cannot be represented in type 'int'
Alan Modra
amodra@gmail.com
Tue Jan 14 00:34:00 GMT 2020
* z8k-dis.c (unpack_instr): Formatting. Cast unsigned short
values to unsigned before shifting.
diff --git a/opcodes/z8k-dis.c b/opcodes/z8k-dis.c
index cb871decfa..ba9331fc8b 100644
--- a/opcodes/z8k-dis.c
+++ b/opcodes/z8k-dis.c
@@ -369,8 +369,8 @@ unpack_instr (instr_data_s *instr_data, int is_segmented, disassemble_info *info
break;
case ARG_IMM32:
FETCH_DATA (info, nibl_count + 8);
- instr_long = (instr_data->words[nibl_count] << 16)
- | (instr_data->words[nibl_count + 4]);
+ instr_long = ((unsigned) instr_data->words[nibl_count] << 16
+ | instr_data->words[nibl_count + 4]);
instr_data->immediate = instr_long;
nibl_count += 7;
break;
@@ -402,17 +402,17 @@ unpack_instr (instr_data_s *instr_data, int is_segmented, disassemble_info *info
if (instr_nibl & 0x8)
{
FETCH_DATA (info, nibl_count + 8);
- instr_long = (instr_data->words[nibl_count] << 16)
- | (instr_data->words[nibl_count + 4]);
- instr_data->address = ((instr_word & 0x7f00) << 16)
- + (instr_long & 0xffff);
+ instr_long = ((unsigned) instr_data->words[nibl_count] << 16
+ | instr_data->words[nibl_count + 4]);
+ instr_data->address = ((instr_word & 0x7f00) << 16
+ | (instr_long & 0xffff));
nibl_count += 7;
seg_length = 2;
}
else
{
- instr_data->address = ((instr_word & 0x7f00) << 16)
- + (instr_word & 0x00ff);
+ instr_data->address = ((instr_word & 0x7f00) << 16
+ | (instr_word & 0x00ff));
nibl_count += 3;
}
}
--
Alan Modra
Australia Development Lab, IBM
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