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[AArch64] IDSAR6 register assembler support
The IDSAR6 system register has been introduced to identify the v8.3-a Javascript data type conversion and v8.2-a dot product support. Differential Revision: https://reviews.llvm.org/D37068 llvm-svn: 312225
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@ -342,6 +342,9 @@ def : ROSysReg<"ID_ISAR2_EL1", 0b11, 0b000, 0b0000, 0b0010, 0b010>;
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def : ROSysReg<"ID_ISAR3_EL1", 0b11, 0b000, 0b0000, 0b0010, 0b011>;
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def : ROSysReg<"ID_ISAR4_EL1", 0b11, 0b000, 0b0000, 0b0010, 0b100>;
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def : ROSysReg<"ID_ISAR5_EL1", 0b11, 0b000, 0b0000, 0b0010, 0b101>;
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def : ROSysReg<"ID_ISAR6_EL1", 0b11, 0b000, 0b0000, 0b0010, 0b111> {
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let Requires = [{ {AArch64::HasV8_2aOps} }];
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}
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def : ROSysReg<"ID_AA64PFR0_EL1", 0b11, 0b000, 0b0000, 0b0100, 0b000>;
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def : ROSysReg<"ID_AA64PFR1_EL1", 0b11, 0b000, 0b0000, 0b0100, 0b001>;
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def : ROSysReg<"ID_AA64DFR0_EL1", 0b11, 0b000, 0b0000, 0b0101, 0b000>;
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test/MC/AArch64/armv8.3a-ID_ISAR6_EL1.s
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test/MC/AArch64/armv8.3a-ID_ISAR6_EL1.s
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@ -0,0 +1,9 @@
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// RUN: llvm-mc -triple aarch64-none-linux-gnu -show-encoding -mattr=+v8.3a < %s 2>&1 | FileCheck %s
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// RUN: not llvm-mc -triple aarch64-none-linux-gnu < %s 2> %t
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// RUN: FileCheck --check-prefix=CHECK-REQ %s < %t
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mrs x0, ID_ISAR6_EL1
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// CHECK: mrs x0, ID_ISAR6_EL1 // encoding: [0xe0,0x02,0x38,0xd5]
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// CHECK-REQ: error: expected readable system register
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// CHECK-REQ-NEXT: mrs x0, ID_ISAR6_EL1
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// CHECK-REQ-NEXT: ^
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4
test/MC/Disassembler/AArch64/armv8.3a-ID_ISAR6_EL1.txt
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4
test/MC/Disassembler/AArch64/armv8.3a-ID_ISAR6_EL1.txt
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@ -0,0 +1,4 @@
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# RUN: llvm-mc -triple aarch64-none-linux-gnu -mattr=+v8.3a --disassemble < %s | FileCheck %s
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# CHECK: mrs x0, ID_ISAR6_EL1
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0xe0,0x02,0x38,0xd5
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