Add a new opcode for 32->64 bit sign-extended immediate, with warning
on the number not matching.
This unfortunately calls for an audit of all the \4[0123] opcodes, if
they should be replaced by \25[4567]. This only replaces one
instruction (MOV reg64,imm32); other instructions need to be
considered.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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>
More tests for immediate warnings, with notes for the ones where we
currently fail to do the right thing.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Using hidden files are rather antisocial, and rather pointless in this
particular context. Change .stdout and .stderr to simply stdout and
stderr.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
