diff options
| author | H. Peter Anvin <hpa@zytor.com> | 2008-10-06 23:40:31 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2008-10-06 23:40:31 -0700 |
| commit | c1377e9a98dd5ca6f7900c048df5d346d1733d05 (patch) | |
| tree | bb8b66a023c6e2106d2492cbc7ac9ba486ac6d03 /insns.pl | |
| parent | 94cacf8ea9a7c2741f1fef6091d7e5fded7454fe (diff) | |
| download | nasm-c1377e9a98dd5ca6f7900c048df5d346d1733d05.tar.gz nasm-c1377e9a98dd5ca6f7900c048df5d346d1733d05.tar.bz2 nasm-c1377e9a98dd5ca6f7900c048df5d346d1733d05.zip | |
New opcodes to deal with 8-bit immediate sign extended to opsize
New opcodes to deal with 8-bit immediates which are then sign-extended
to the operand size. These allow us to warn appropriately.
Not sure I'm using these in all the proper places; need audit of all
uses of the \14..\17 opcodes.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'insns.pl')
| -rwxr-xr-x | insns.pl | 2 |
1 files changed, 2 insertions, 0 deletions
@@ -670,6 +670,8 @@ sub byte_code_compile($) { push(@codes, 024+$oppos{'i'}); } elsif ($op eq 'iw') { # imm16 push(@codes, 030+$oppos{'i'}); + } elsif ($op eq 'ibx') { # imm8 sign-extended to opsize + push(@codes, 0274+$oppos{'i'}); } elsif ($op eq 'iwd') { # imm16 or imm32, depending on opsize push(@codes, 034+$oppos{'i'}); } elsif ($op eq 'id') { # imm32 |