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add a new BinOpAI class to represent the immediate form that directly acts on EAX.

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This does change the generated .inc files to include the implicit use/def of eax.
Since these instructions are only generated by the assembler and disassembler it
doesn't actually matter though.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115885 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-10-07 00:43:39 +00:00
parent 3bbdcea49a
commit 511c686f76
1 changed files with 16 additions and 10 deletions
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26
lib/Target/X86/X86InstrArithmetic.td
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@ -686,6 +686,17 @@ class BinOpMI8<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
let ImmT = Imm8; // Always 8-bit immediate.
}
// BinOpAI - Instructions like "add %eax, %eax, imm".
class BinOpAI<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
Register areg>
: ITy<opcode, RawFrm, typeinfo,
(outs), (ins typeinfo.ImmOperand:$src),
mnemonic, !strconcat("{$src, %", areg.AsmName, "|%",
areg.AsmName, ", $src}"), []> {
let ImmT = typeinfo.ImmEncoding;
let Uses = [areg];
let Defs = [areg];
}
// Logical operators.
let Defs = [EFLAGS] in {
@ -737,17 +748,12 @@ def AND64mi32 : BinOpMI<0x80, "and", Xi64, and, MRM4m>;
def AND16mi8 : BinOpMI8<0x82, "and", Xi16, and, MRM4m>;
def AND32mi8 : BinOpMI8<0x82, "and", Xi32, and, MRM4m>;
def AND64mi8 : BinOpMI8<0x82, "and", Xi64, and, MRM4m>;
// FIXME: Implicitly modifies AL.
def AND8i8 : Ii8<0x24, RawFrm, (outs), (ins i8imm:$src),
"and{b}\t{$src, %al|%al, $src}", []>;
def AND16i16 : Ii16<0x25, RawFrm, (outs), (ins i16imm:$src),
"and{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
def AND32i32 : Ii32<0x25, RawFrm, (outs), (ins i32imm:$src),
"and{l}\t{$src, %eax|%eax, $src}", []>;
def AND64i32 : RIi32<0x25, RawFrm, (outs), (ins i64i32imm:$src),
"and{q}\t{$src, %rax|%rax, $src}", []>;
def AND8i8 : BinOpAI<0x24, "and", Xi8 , AL>;
def AND16i16 : BinOpAI<0x24, "and", Xi16, AX>;
def AND32i32 : BinOpAI<0x24, "and", Xi32, EAX>;
def AND64i32 : BinOpAI<0x24, "and", Xi64, RAX>;
let Constraints = "$src1 = $dst" in {