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[X86][MC] Support Enc/Dec for EGPR for promoted CMPCCXADD instruction #76125

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Merged
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Dec 22, 2023
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[X86][MC] Support Enc/Dec for EGPR for promoted CMPCCXADD instruction #76125

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[X86][MC] Support Enc/Dec for EGPR for promoted CMPCCXADD instruction
XinWang10 Dec 21, 2023
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XinWang10 Dec 22, 2023
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2 changes: 1 addition & 1 deletion llvm/lib/Target/X86/MCTargetDesc/X86MCCodeEmitter.cpp
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Expand Up @@ -1060,7 +1060,7 @@ X86MCCodeEmitter::emitVEXOpcodePrefix(int MemOperand, const MCInst &MI,
Prefix.setBB2(MI, MemOperand + X86::AddrBaseReg);
Prefix.setXX2(MI, MemOperand + X86::AddrIndexReg);
CurOp += X86::AddrNumOperands;
Prefix.set4V(MI, CurOp++);
Prefix.set4VV2(MI, CurOp++);
break;
}
case X86II::MRM_C0:
Expand Down
5 changes: 5 additions & 0 deletions llvm/lib/Target/X86/X86InstrAsmAlias.td
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Expand Up @@ -55,6 +55,11 @@ multiclass CMPCCXADD_Aliases<string Cond, int CC> {
(CMPCCXADDmr32 GR32:$dst, i32mem:$dstsrc2, GR32:$src3, CC), 0>;
def : InstAlias<"cmp"#Cond#"xadd"#"\t{$src3, $dst, $dstsrc2|$dstsrc2, $dst, $src3}",
(CMPCCXADDmr64 GR64:$dst, i64mem:$dstsrc2, GR64:$src3, CC), 0>;

def : InstAlias<"cmp"#Cond#"xadd"#"\t{$src3, $dst, $dstsrc2|$dstsrc2, $dst, $src3}",
(CMPCCXADDmr32_EVEX GR32:$dst, i32mem:$dstsrc2, GR32:$src3, CC), 0>;
def : InstAlias<"cmp"#Cond#"xadd"#"\t{$src3, $dst, $dstsrc2|$dstsrc2, $dst, $src3}",
(CMPCCXADDmr64_EVEX GR64:$dst, i64mem:$dstsrc2, GR64:$src3, CC), 0>;
}

//===----------------------------------------------------------------------===//
Expand Down
21 changes: 19 additions & 2 deletions llvm/lib/Target/X86/X86InstrMisc.td
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Expand Up @@ -1663,8 +1663,8 @@ let Predicates = [HasPREFETCHI, In64BitMode], SchedRW = [WriteLoad] in {
// CMPCCXADD Instructions
//
let isCodeGenOnly = 1, ForceDisassemble = 1, mayLoad = 1, mayStore = 1,
Predicates = [HasCMPCCXADD, In64BitMode], Defs = [EFLAGS],
Constraints = "$dstsrc1 = $dst" in {
Defs = [EFLAGS], Constraints = "$dstsrc1 = $dst" in {
let Predicates = [HasCMPCCXADD, NoEGPR, In64BitMode] in {
def CMPCCXADDmr32 : I<0xe0, MRMDestMem4VOp3CC, (outs GR32:$dst),
(ins GR32:$dstsrc1, i32mem:$dstsrc2, GR32:$src3, ccode:$cond),
"cmp${cond}xadd\t{$src3, $dst, $dstsrc2|$dstsrc2, $dst, $src3}",
Expand All @@ -1680,6 +1680,23 @@ def CMPCCXADDmr64 : I<0xe0, MRMDestMem4VOp3CC, (outs GR64:$dst),
VEX, VVVV, REX_W, T8PD, Sched<[WriteXCHG]>;
}

let Predicates = [HasCMPCCXADD, HasEGPR, In64BitMode] in {
def CMPCCXADDmr32_EVEX : I<0xe0, MRMDestMem4VOp3CC, (outs GR32:$dst),
(ins GR32:$dstsrc1, i32mem:$dstsrc2, GR32:$src3, ccode:$cond),
"cmp${cond}xadd\t{$src3, $dst, $dstsrc2|$dstsrc2, $dst, $src3}",
[(set GR32:$dst, (X86cmpccxadd addr:$dstsrc2,
GR32:$dstsrc1, GR32:$src3, timm:$cond))]>,
EVEX, VVVV, NoCD8, T8PD, Sched<[WriteXCHG]>;

def CMPCCXADDmr64_EVEX : I<0xe0, MRMDestMem4VOp3CC, (outs GR64:$dst),
(ins GR64:$dstsrc1, i64mem:$dstsrc2, GR64:$src3, ccode:$cond),
"cmp${cond}xadd\t{$src3, $dst, $dstsrc2|$dstsrc2, $dst, $src3}",
[(set GR64:$dst, (X86cmpccxadd addr:$dstsrc2,
GR64:$dstsrc1, GR64:$src3, timm:$cond))]>,
EVEX, VVVV, NoCD8, REX_W, T8PD, Sched<[WriteXCHG]>;
}
}

//===----------------------------------------------------------------------===//
// Memory Instructions
//
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122 changes: 122 additions & 0 deletions llvm/test/MC/Disassembler/X86/apx/cmpccxadd.txt
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@@ -0,0 +1,122 @@
# RUN: llvm-mc --disassemble %s -triple=x86_64 | FileCheck %s --check-prefixes=ATT
# RUN: llvm-mc --disassemble %s -triple=x86_64 -x86-asm-syntax=intel --output-asm-variant=1 | FileCheck %s --check-prefixes=INTEL

# ATT: cmpbexadd %r18d, %r22d, 291(%r28,%r29,4)
# INTEL: cmpbexadd dword ptr [r28 + 4*r29 + 291], r22d, r18d
0x62,0x8a,0x69,0x00,0xe6,0xb4,0xac,0x23,0x01,0x00,0x00

# ATT: cmpbexadd %r19, %r23, 291(%r28,%r29,4)
# INTEL: cmpbexadd qword ptr [r28 + 4*r29 + 291], r23, r19
0x62,0x8a,0xe1,0x00,0xe6,0xbc,0xac,0x23,0x01,0x00,0x00

# ATT: cmpbxadd %r18d, %r22d, 291(%r28,%r29,4)
# INTEL: cmpbxadd dword ptr [r28 + 4*r29 + 291], r22d, r18d
0x62,0x8a,0x69,0x00,0xe2,0xb4,0xac,0x23,0x01,0x00,0x00

# ATT: cmpbxadd %r19, %r23, 291(%r28,%r29,4)
# INTEL: cmpbxadd qword ptr [r28 + 4*r29 + 291], r23, r19
0x62,0x8a,0xe1,0x00,0xe2,0xbc,0xac,0x23,0x01,0x00,0x00

# ATT: cmplexadd %r18d, %r22d, 291(%r28,%r29,4)
# INTEL: cmplexadd dword ptr [r28 + 4*r29 + 291], r22d, r18d
0x62,0x8a,0x69,0x00,0xee,0xb4,0xac,0x23,0x01,0x00,0x00

# ATT: cmplexadd %r19, %r23, 291(%r28,%r29,4)
# INTEL: cmplexadd qword ptr [r28 + 4*r29 + 291], r23, r19
0x62,0x8a,0xe1,0x00,0xee,0xbc,0xac,0x23,0x01,0x00,0x00

# ATT: cmplxadd %r18d, %r22d, 291(%r28,%r29,4)
# INTEL: cmplxadd dword ptr [r28 + 4*r29 + 291], r22d, r18d
0x62,0x8a,0x69,0x00,0xec,0xb4,0xac,0x23,0x01,0x00,0x00

# ATT: cmplxadd %r19, %r23, 291(%r28,%r29,4)
# INTEL: cmplxadd qword ptr [r28 + 4*r29 + 291], r23, r19
0x62,0x8a,0xe1,0x00,0xec,0xbc,0xac,0x23,0x01,0x00,0x00

# ATT: cmpaxadd %r18d, %r22d, 291(%r28,%r29,4)
# INTEL: cmpaxadd dword ptr [r28 + 4*r29 + 291], r22d, r18d
0x62,0x8a,0x69,0x00,0xe7,0xb4,0xac,0x23,0x01,0x00,0x00

# ATT: cmpaxadd %r19, %r23, 291(%r28,%r29,4)
# INTEL: cmpaxadd qword ptr [r28 + 4*r29 + 291], r23, r19
0x62,0x8a,0xe1,0x00,0xe7,0xbc,0xac,0x23,0x01,0x00,0x00

# ATT: cmpgxadd %r18d, %r22d, 291(%r28,%r29,4)
# INTEL: cmpgxadd dword ptr [r28 + 4*r29 + 291], r22d, r18d
0x62,0x8a,0x69,0x00,0xef,0xb4,0xac,0x23,0x01,0x00,0x00

# ATT: cmpgxadd %r19, %r23, 291(%r28,%r29,4)
# INTEL: cmpgxadd qword ptr [r28 + 4*r29 + 291], r23, r19
0x62,0x8a,0xe1,0x00,0xef,0xbc,0xac,0x23,0x01,0x00,0x00

# ATT: cmpgexadd %r18d, %r22d, 291(%r28,%r29,4)
# INTEL: cmpgexadd dword ptr [r28 + 4*r29 + 291], r22d, r18d
0x62,0x8a,0x69,0x00,0xed,0xb4,0xac,0x23,0x01,0x00,0x00

# ATT: cmpgexadd %r19, %r23, 291(%r28,%r29,4)
# INTEL: cmpgexadd qword ptr [r28 + 4*r29 + 291], r23, r19
0x62,0x8a,0xe1,0x00,0xed,0xbc,0xac,0x23,0x01,0x00,0x00

# ATT: cmpnoxadd %r18d, %r22d, 291(%r28,%r29,4)
# INTEL: cmpnoxadd dword ptr [r28 + 4*r29 + 291], r22d, r18d
0x62,0x8a,0x69,0x00,0xe1,0xb4,0xac,0x23,0x01,0x00,0x00

# ATT: cmpnoxadd %r19, %r23, 291(%r28,%r29,4)
# INTEL: cmpnoxadd qword ptr [r28 + 4*r29 + 291], r23, r19
0x62,0x8a,0xe1,0x00,0xe1,0xbc,0xac,0x23,0x01,0x00,0x00

# ATT: cmpnpxadd %r18d, %r22d, 291(%r28,%r29,4)
# INTEL: cmpnpxadd dword ptr [r28 + 4*r29 + 291], r22d, r18d
0x62,0x8a,0x69,0x00,0xeb,0xb4,0xac,0x23,0x01,0x00,0x00

# ATT: cmpnpxadd %r19, %r23, 291(%r28,%r29,4)
# INTEL: cmpnpxadd qword ptr [r28 + 4*r29 + 291], r23, r19
0x62,0x8a,0xe1,0x00,0xeb,0xbc,0xac,0x23,0x01,0x00,0x00

# ATT: cmpnsxadd %r18d, %r22d, 291(%r28,%r29,4)
# INTEL: cmpnsxadd dword ptr [r28 + 4*r29 + 291], r22d, r18d
0x62,0x8a,0x69,0x00,0xe9,0xb4,0xac,0x23,0x01,0x00,0x00

# ATT: cmpnsxadd %r19, %r23, 291(%r28,%r29,4)
# INTEL: cmpnsxadd qword ptr [r28 + 4*r29 + 291], r23, r19
0x62,0x8a,0xe1,0x00,0xe9,0xbc,0xac,0x23,0x01,0x00,0x00

# ATT: cmpnexadd %r18d, %r22d, 291(%r28,%r29,4)
# INTEL: cmpnexadd dword ptr [r28 + 4*r29 + 291], r22d, r18d
0x62,0x8a,0x69,0x00,0xe5,0xb4,0xac,0x23,0x01,0x00,0x00

# ATT: cmpnexadd %r19, %r23, 291(%r28,%r29,4)
# INTEL: cmpnexadd qword ptr [r28 + 4*r29 + 291], r23, r19
0x62,0x8a,0xe1,0x00,0xe5,0xbc,0xac,0x23,0x01,0x00,0x00

# ATT: cmpoxadd %r18d, %r22d, 291(%r28,%r29,4)
# INTEL: cmpoxadd dword ptr [r28 + 4*r29 + 291], r22d, r18d
0x62,0x8a,0x69,0x00,0xe0,0xb4,0xac,0x23,0x01,0x00,0x00

# ATT: cmpoxadd %r19, %r23, 291(%r28,%r29,4)
# INTEL: cmpoxadd qword ptr [r28 + 4*r29 + 291], r23, r19
0x62,0x8a,0xe1,0x00,0xe0,0xbc,0xac,0x23,0x01,0x00,0x00

# ATT: cmppxadd %r18d, %r22d, 291(%r28,%r29,4)
# INTEL: cmppxadd dword ptr [r28 + 4*r29 + 291], r22d, r18d
0x62,0x8a,0x69,0x00,0xea,0xb4,0xac,0x23,0x01,0x00,0x00

# ATT: cmppxadd %r19, %r23, 291(%r28,%r29,4)
# INTEL: cmppxadd qword ptr [r28 + 4*r29 + 291], r23, r19
0x62,0x8a,0xe1,0x00,0xea,0xbc,0xac,0x23,0x01,0x00,0x00

# ATT: cmpsxadd %r18d, %r22d, 291(%r28,%r29,4)
# INTEL: cmpsxadd dword ptr [r28 + 4*r29 + 291], r22d, r18d
0x62,0x8a,0x69,0x00,0xe8,0xb4,0xac,0x23,0x01,0x00,0x00

# ATT: cmpsxadd %r19, %r23, 291(%r28,%r29,4)
# INTEL: cmpsxadd qword ptr [r28 + 4*r29 + 291], r23, r19
0x62,0x8a,0xe1,0x00,0xe8,0xbc,0xac,0x23,0x01,0x00,0x00

# ATT: cmpexadd %r18d, %r22d, 291(%r28,%r29,4)
# INTEL: cmpexadd dword ptr [r28 + 4*r29 + 291], r22d, r18d
0x62,0x8a,0x69,0x00,0xe4,0xb4,0xac,0x23,0x01,0x00,0x00

# ATT: cmpexadd %r19, %r23, 291(%r28,%r29,4)
# INTEL: cmpexadd qword ptr [r28 + 4*r29 + 291], r23, r19
0x62,0x8a,0xe1,0x00,0xe4,0xbc,0xac,0x23,0x01,0x00,0x00
6 changes: 6 additions & 0 deletions llvm/test/MC/Disassembler/X86/apx/evex-format.txt
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Expand Up @@ -62,6 +62,12 @@
# INTEL: vpslldq zmm0, zmmword ptr [r16 + r17], 0
0x62,0xf9,0x79,0x48,0x73,0x3c,0x08,0x00

## MRMDestMem4VOp3CC

# ATT: cmpbexadd %r18d, %r22d, 291(%r28,%r29,4)
# INTEL: cmpbexadd dword ptr [r28 + 4*r29 + 291], r22d, r18d
0x62,0x8a,0x69,0x00,0xe6,0xb4,0xac,0x23,0x01,0x00,0x00

## MRMSrcMem4VOp3

# ATT: bzhiq %r19, 291(%r28,%r29,4), %r23
Expand Down
124 changes: 124 additions & 0 deletions llvm/test/MC/X86/apx/cmpccxadd-att.s
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@@ -0,0 +1,124 @@
# RUN: llvm-mc -triple x86_64 --show-encoding %s | FileCheck %s
# RUN: not llvm-mc -triple i386 -show-encoding %s 2>&1 | FileCheck %s --check-prefix=ERROR

# ERROR-COUNT-30: error:
# ERROR-NOT: error:
# CHECK: cmpbexadd %r18d, %r22d, 291(%r28,%r29,4)
# CHECK: encoding: [0x62,0x8a,0x69,0x00,0xe6,0xb4,0xac,0x23,0x01,0x00,0x00]
cmpbexadd %r18d, %r22d, 291(%r28,%r29,4)

# CHECK: cmpbexadd %r19, %r23, 291(%r28,%r29,4)
# CHECK: encoding: [0x62,0x8a,0xe1,0x00,0xe6,0xbc,0xac,0x23,0x01,0x00,0x00]
cmpbexadd %r19, %r23, 291(%r28,%r29,4)

# CHECK: cmpbxadd %r18d, %r22d, 291(%r28,%r29,4)
# CHECK: encoding: [0x62,0x8a,0x69,0x00,0xe2,0xb4,0xac,0x23,0x01,0x00,0x00]
cmpbxadd %r18d, %r22d, 291(%r28,%r29,4)

# CHECK: cmpbxadd %r19, %r23, 291(%r28,%r29,4)
# CHECK: encoding: [0x62,0x8a,0xe1,0x00,0xe2,0xbc,0xac,0x23,0x01,0x00,0x00]
cmpbxadd %r19, %r23, 291(%r28,%r29,4)

# CHECK: cmplexadd %r18d, %r22d, 291(%r28,%r29,4)
# CHECK: encoding: [0x62,0x8a,0x69,0x00,0xee,0xb4,0xac,0x23,0x01,0x00,0x00]
cmplexadd %r18d, %r22d, 291(%r28,%r29,4)

# CHECK: cmplexadd %r19, %r23, 291(%r28,%r29,4)
# CHECK: encoding: [0x62,0x8a,0xe1,0x00,0xee,0xbc,0xac,0x23,0x01,0x00,0x00]
cmplexadd %r19, %r23, 291(%r28,%r29,4)

# CHECK: cmplxadd %r18d, %r22d, 291(%r28,%r29,4)
# CHECK: encoding: [0x62,0x8a,0x69,0x00,0xec,0xb4,0xac,0x23,0x01,0x00,0x00]
cmplxadd %r18d, %r22d, 291(%r28,%r29,4)

# CHECK: cmplxadd %r19, %r23, 291(%r28,%r29,4)
# CHECK: encoding: [0x62,0x8a,0xe1,0x00,0xec,0xbc,0xac,0x23,0x01,0x00,0x00]
cmplxadd %r19, %r23, 291(%r28,%r29,4)

# CHECK: cmpaxadd %r18d, %r22d, 291(%r28,%r29,4)
# CHECK: encoding: [0x62,0x8a,0x69,0x00,0xe7,0xb4,0xac,0x23,0x01,0x00,0x00]
cmpaxadd %r18d, %r22d, 291(%r28,%r29,4)

# CHECK: cmpaxadd %r19, %r23, 291(%r28,%r29,4)
# CHECK: encoding: [0x62,0x8a,0xe1,0x00,0xe7,0xbc,0xac,0x23,0x01,0x00,0x00]
cmpaxadd %r19, %r23, 291(%r28,%r29,4)

# CHECK: cmpgxadd %r18d, %r22d, 291(%r28,%r29,4)
# CHECK: encoding: [0x62,0x8a,0x69,0x00,0xef,0xb4,0xac,0x23,0x01,0x00,0x00]
cmpgxadd %r18d, %r22d, 291(%r28,%r29,4)

# CHECK: cmpgxadd %r19, %r23, 291(%r28,%r29,4)
# CHECK: encoding: [0x62,0x8a,0xe1,0x00,0xef,0xbc,0xac,0x23,0x01,0x00,0x00]
cmpgxadd %r19, %r23, 291(%r28,%r29,4)

# CHECK: cmpgexadd %r18d, %r22d, 291(%r28,%r29,4)
# CHECK: encoding: [0x62,0x8a,0x69,0x00,0xed,0xb4,0xac,0x23,0x01,0x00,0x00]
cmpgexadd %r18d, %r22d, 291(%r28,%r29,4)

# CHECK: cmpgexadd %r19, %r23, 291(%r28,%r29,4)
# CHECK: encoding: [0x62,0x8a,0xe1,0x00,0xed,0xbc,0xac,0x23,0x01,0x00,0x00]
cmpgexadd %r19, %r23, 291(%r28,%r29,4)

# CHECK: cmpnoxadd %r18d, %r22d, 291(%r28,%r29,4)
# CHECK: encoding: [0x62,0x8a,0x69,0x00,0xe1,0xb4,0xac,0x23,0x01,0x00,0x00]
cmpnoxadd %r18d, %r22d, 291(%r28,%r29,4)

# CHECK: cmpnoxadd %r19, %r23, 291(%r28,%r29,4)
# CHECK: encoding: [0x62,0x8a,0xe1,0x00,0xe1,0xbc,0xac,0x23,0x01,0x00,0x00]
cmpnoxadd %r19, %r23, 291(%r28,%r29,4)

# CHECK: cmpnpxadd %r18d, %r22d, 291(%r28,%r29,4)
# CHECK: encoding: [0x62,0x8a,0x69,0x00,0xeb,0xb4,0xac,0x23,0x01,0x00,0x00]
cmpnpxadd %r18d, %r22d, 291(%r28,%r29,4)

# CHECK: cmpnpxadd %r19, %r23, 291(%r28,%r29,4)
# CHECK: encoding: [0x62,0x8a,0xe1,0x00,0xeb,0xbc,0xac,0x23,0x01,0x00,0x00]
cmpnpxadd %r19, %r23, 291(%r28,%r29,4)

# CHECK: cmpnsxadd %r18d, %r22d, 291(%r28,%r29,4)
# CHECK: encoding: [0x62,0x8a,0x69,0x00,0xe9,0xb4,0xac,0x23,0x01,0x00,0x00]
cmpnsxadd %r18d, %r22d, 291(%r28,%r29,4)

# CHECK: cmpnsxadd %r19, %r23, 291(%r28,%r29,4)
# CHECK: encoding: [0x62,0x8a,0xe1,0x00,0xe9,0xbc,0xac,0x23,0x01,0x00,0x00]
cmpnsxadd %r19, %r23, 291(%r28,%r29,4)

# CHECK: cmpnexadd %r18d, %r22d, 291(%r28,%r29,4)
# CHECK: encoding: [0x62,0x8a,0x69,0x00,0xe5,0xb4,0xac,0x23,0x01,0x00,0x00]
cmpnexadd %r18d, %r22d, 291(%r28,%r29,4)

# CHECK: cmpnexadd %r19, %r23, 291(%r28,%r29,4)
# CHECK: encoding: [0x62,0x8a,0xe1,0x00,0xe5,0xbc,0xac,0x23,0x01,0x00,0x00]
cmpnexadd %r19, %r23, 291(%r28,%r29,4)

# CHECK: cmpoxadd %r18d, %r22d, 291(%r28,%r29,4)
# CHECK: encoding: [0x62,0x8a,0x69,0x00,0xe0,0xb4,0xac,0x23,0x01,0x00,0x00]
cmpoxadd %r18d, %r22d, 291(%r28,%r29,4)

# CHECK: cmpoxadd %r19, %r23, 291(%r28,%r29,4)
# CHECK: encoding: [0x62,0x8a,0xe1,0x00,0xe0,0xbc,0xac,0x23,0x01,0x00,0x00]
cmpoxadd %r19, %r23, 291(%r28,%r29,4)

# CHECK: cmppxadd %r18d, %r22d, 291(%r28,%r29,4)
# CHECK: encoding: [0x62,0x8a,0x69,0x00,0xea,0xb4,0xac,0x23,0x01,0x00,0x00]
cmppxadd %r18d, %r22d, 291(%r28,%r29,4)

# CHECK: cmppxadd %r19, %r23, 291(%r28,%r29,4)
# CHECK: encoding: [0x62,0x8a,0xe1,0x00,0xea,0xbc,0xac,0x23,0x01,0x00,0x00]
cmppxadd %r19, %r23, 291(%r28,%r29,4)

# CHECK: cmpsxadd %r18d, %r22d, 291(%r28,%r29,4)
# CHECK: encoding: [0x62,0x8a,0x69,0x00,0xe8,0xb4,0xac,0x23,0x01,0x00,0x00]
cmpsxadd %r18d, %r22d, 291(%r28,%r29,4)

# CHECK: cmpsxadd %r19, %r23, 291(%r28,%r29,4)
# CHECK: encoding: [0x62,0x8a,0xe1,0x00,0xe8,0xbc,0xac,0x23,0x01,0x00,0x00]
cmpsxadd %r19, %r23, 291(%r28,%r29,4)

# CHECK: cmpexadd %r18d, %r22d, 291(%r28,%r29,4)
# CHECK: encoding: [0x62,0x8a,0x69,0x00,0xe4,0xb4,0xac,0x23,0x01,0x00,0x00]
cmpexadd %r18d, %r22d, 291(%r28,%r29,4)

# CHECK: cmpexadd %r19, %r23, 291(%r28,%r29,4)
# CHECK: encoding: [0x62,0x8a,0xe1,0x00,0xe4,0xbc,0xac,0x23,0x01,0x00,0x00]
cmpexadd %r19, %r23, 291(%r28,%r29,4)
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