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| author | Jan Beulich <jbeulich@novell.com> | 2018-03-08 08:51:18 +0100 |
|---|---|---|
| committer | Jan Beulich <jbeulich@suse.com> | 2018-03-08 08:51:18 +0100 |
| commit | 23e42951f2f2cca539c69a843ae31d9c6cdb194b (patch) | |
| tree | 21f20bee8c57a67e766b9f818968ea901378bb2e /gas/config | |
| parent | 8819ada6c48777c0dd0835d46f4a9dd3ecf2b0ec (diff) | |
| download | gdb-23e42951f2f2cca539c69a843ae31d9c6cdb194b.zip gdb-23e42951f2f2cca539c69a843ae31d9c6cdb194b.tar.gz gdb-23e42951f2f2cca539c69a843ae31d9c6cdb194b.tar.bz2 | |
x86: correct operand size match checks for BMI/BMI2 insns
Some BMI/BMI2 insns allow their middle operands to be a memory one. In
such a case, matching register types between operands 0 and 1 as well as
1 and 2 won't help - operands 0 and 2 also need to be checked.
Diffstat (limited to 'gas/config')
| -rw-r--r-- | gas/config/tc-i386.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c index 83fd18c..1da1fbd 100644 --- a/gas/config/tc-i386.c +++ b/gas/config/tc-i386.c @@ -5492,15 +5492,17 @@ check_reverse: /* Fall through. */ case 3: /* Here we make use of the fact that there are no - reverse match 3 operand instructions, and all 3 - operand instructions only need to be checked for - register consistency between operands 2 and 3. */ + reverse match 3 operand instructions. */ if (!operand_type_match (overlap2, i.types[2]) || (check_register - && !operand_type_register_match (i.types[1], - operand_types[1], - i.types[2], - operand_types[2]))) + && (!operand_type_register_match (i.types[0], + operand_types[0], + i.types[2], + operand_types[2]) + || !operand_type_register_match (i.types[1], + operand_types[1], + i.types[2], + operand_types[2])))) continue; break; } |