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llvm/llvm/test/MC/AArch64/FP8_SME2/mopa-diagnostics.s 

// RUN: not llvm-mc -triple=aarch64 -show-encoding -mattr=+sme-f8f16,+sme-f8f32 2>&1 < %s | FileCheck %s


// --------------------------------------------------------------------------//
// Invalid predicate register

fmopa   za0.h, p8/m, p0/m, z0.b, z0.b
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid restricted predicate register, expected p0..p7 (without element suffix)
// CHECK-NEXT: fmopa   za0.h, p8/m, p0/m, z0.b, z0.b
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:

fmopa   za0.h, p0/m, p8/m, z0.b, z0.b
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid restricted predicate register, expected p0..p7 (without element suffix)
// CHECK-NEXT: fmopa   za0.h, p0/m, p8/m, z0.b, z0.b
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:

fmopa   za0.s, p8/m, p0/m, z0.b, z0.b
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid restricted predicate register, expected p0..p7 (without element suffix)
// CHECK-NEXT: fmopa   za0.s, p8/m, p0/m, z0.b, z0.b
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:

fmopa   za3.s, p7/m, p8/m, z31.b, z31.b
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid restricted predicate register, expected p0..p7 (without element suffix)
// CHECK-NEXT: fmopa   za3.s, p7/m, p8/m, z31.b, z31.b
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:

// --------------------------------------------------------------------------//
// Invalid matrix operand

fmopa   za2.h, p0/m, p0/m, z0.b, z0.b
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
// CHECK-NEXT: fmopa   za2.h, p0/m, p0/m, z0.b, z0.b
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:

// --------------------------------------------------------------------------//
// Invalid register suffixes

fmopa   za0.h, p0/m, p0/m, z0.b, z0.h
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid element width
// CHECK-NEXT: fmopa   za0.h, p0/m, p0/m, z0.b, z0.h
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:

fmopa   za3.s, p7/m, p0/m, z31.b, z31.s
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid element width
// CHECK-NEXT: fmopa   za3.s, p7/m, p0/m, z31.b, z31.s
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}: