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llvm-project/llvm/test/MC/AArch64/SVE/pfirst-diagnostics.s

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[AArch64][SVE] Asm: Instructions to perform serialized operations. The instructions added in this patch permit active elements within a vector to be processed sequentially without unpacking the vector. PFIRST Set the first active element to true. PNEXT Find next active element in predicate. CTERMEQ Compare and terminate loop when equal. CTERMNE Compare and terminate loop when not equal. llvm-svn: 338210
2018-07-29 16:00:16 +08:00
// RUN: not llvm-mc -triple=aarch64 -show-encoding -mattr=+sve 2>&1 < %s| FileCheck %s
// ------------------------------------------------------------------------- //
// Only .b is supported
pfirst p0.h, p15, p0.h
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid predicate register
// CHECK-NEXT: pfirst p0.h, p15, p0.h
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
// ------------------------------------------------------------------------- //
// Tied operands must match
pfirst p0.b, p15, p1.b
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: operand must match destination register
// CHECK-NEXT: pfirst p0.b, p15, p1.b
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}: