forked from OSchip/llvm-project
[lldb][AArch64] Update disassembler feature list and add tests for all extensions
This updates the disassembler to enable every optional extension. Previously we had added things that we added "support" for in lldb. (where support means significant work like new registers, fault types, etc.) Something like TME (transactional memory) wasn't added because there are no new lldb features for it. However we should still be disassembling the instructions. So I went through the AArch64 extensions and added all the missing ones. The new test won't prevent us missing a new extension but it does at least document our current settings. Reviewed By: labath Differential Revision: https://reviews.llvm.org/D121999
This commit is contained in:
David Spickett
parent
d4cdaa24fd
commit
434b545d4f
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@ -1180,7 +1180,9 @@ DisassemblerLLVMC::DisassemblerLLVMC(const ArchSpec &arch,
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// If any AArch64 variant, enable latest ISA with any optional
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// extensions like MTE.
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if (triple.isAArch64()) {
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features_str += "+v9.3a,+mte";
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features_str += "+v9.3a,+mte,+sm4,+sha2,+sha3,+aes,+fp16fml,+sve2-aes,+"
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"sve2-sm4,+sve2-sha3,+sve2-bitperm,+f32mm,+f64mm,+tme,+"
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"ls64,+sme,+sme-f64,+sme-i64,+spe,+rand,+brbe";
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if (triple.getVendor() == llvm::Triple::Apple)
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cpu = "apple-latest";
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@ -0,0 +1,104 @@
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# REQUIRES: aarch64
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# This checks that lldb's disassembler enables every extension that an AArch64
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# target could have.
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# RUN: llvm-mc -filetype=obj -triple aarch64-linux-gnueabihf %s -o %t \
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# RUN: --mattr=+tme,+mte,+crc,+lse,+rdm,+sm4,+sha3,+aes,+dotprod,+fullfp16 \
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# RUN: --mattr=+fp16fml,+sve,+sve2,+sve2-aes,+sve2-sm4,+sve2-sha3,+sve2-bitperm \
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# RUN: --mattr=+spe,+rcpc,+ssbs,+sb,+predres,+bf16,+mops,+hbc,+sme,+sme-i64 \
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# RUN: --mattr=+sme-f64,+flagm,+pauth,+brbe,+ls64,+f64mm,+f32mm,+i8mm,+rand
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# RUN: %lldb %t -o "disassemble -n fn" -o exit 2>&1 | FileCheck %s
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.globl fn
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.type fn, @function
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fn:
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// These are in the same order as llvm/include/llvm/Support/AArch64TargetParser.def
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crc32b w0, w0, w0 // CRC
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ldaddab w0, w0, [sp] // LSE
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sqrdmlah v0.4h, v1.4h, v2.4h // RDM
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// CRYPTO enables a combination of other features
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sm4e v0.4s, v0.4s // SM4
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bcax v0.16b, v0.16b, v0.16b, v0.16b // SHA3
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sha256h q0, q0, v0.4s // SHA256
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aesd v0.16b, v0.16b // AES
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sdot v0.2s, v1.8b, v2.8b // DOTPROD
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fcvt d0, s0 // FP
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addp v0.4s, v0.4s, v0.4s // SIMD (neon)
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fabs h1, h2 // FP16
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fmlal v0.2s, v1.2h, v2.2h // FP16FML
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psb csync // PROFILE/SPE
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msr erxpfgctl_el1, x0 // RAS
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abs z31.h, p7/m, z31.h // SVE
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sqdmlslbt z0.d, z1.s, z31.s // SVE2
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aesd z0.b, z0.b, z31.b // SVE2AES
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sm4e z0.s, z0.s, z0.s // SVE2SM4
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rax1 z0.d, z0.d, z0.d // SVE2SHA3
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bdep z0.b, z1.b, z31.b // SVE2BITPERM
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ldaprb w0, [x0, #0] // RCPC
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mrs x0, rndr // RAND
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irg x0, x0 // MTE
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mrs x2, ssbs // SSBS
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sb // SB
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cfp rctx, x0 // PREDRES
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bfdot v2.2s, v3.4h, v4.4h // BF16
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smmla v1.4s, v16.16b, v31.16b // I8MM
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fmmla z0.s, z1.s, z2.s // F32MM
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fmmla z0.d, z1.d, z2.d // F64MM
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tcommit // TME
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ld64b x0, [x13] // LS64
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brb iall // BRBE
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pacia x0, x1 // PAUTH
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cfinv // FLAGM
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addha za0.s, p0/m, p0/m, z0.s // SME
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fmopa za0.d, p0/m, p0/m, z0.d, z0.d // SMEF64
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addha za0.d, p0/m, p0/m, z0.d // SMEI64
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lbl:
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bc.eq lbl // HBC
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cpyfp [x0]!, [x1]!, x2! // MOPS
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mrs x0, pmccntr_el0 // PERFMON
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.fn_end:
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.size fn, .fn_end-fn
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# CHECK: command-disassemble-aarch64-extensions.s.tmp`fn:
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# CHECK: crc32b w0, w0, w0
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# CHECK: ldaddab w0, w0, [sp]
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# CHECK: sqrdmlah v0.4h, v1.4h, v2.4h
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# CHECK: sm4e v0.4s, v0.4s
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# CHECK: bcax v0.16b, v0.16b, v0.16b, v0.16b
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# CHECK: sha256h q0, q0, v0.4s
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# CHECK: aesd v0.16b, v0.16b
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# CHECK: sdot v0.2s, v1.8b, v2.8b
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# CHECK: fcvt d0, s0
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# CHECK: addp v0.4s, v0.4s, v0.4s
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# CHECK: fabs h1, h2
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# CHECK: fmlal v0.2s, v1.2h, v2.2h
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# CHECK: psb csync
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# CHECK: msr ERXPFGCTL_EL1, x0
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# CHECK: abs z31.h, p7/m, z31.h
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# CHECK: sqdmlslbt z0.d, z1.s, z31.s
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# CHECK: aesd z0.b, z0.b, z31.b
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# CHECK: sm4e z0.s, z0.s, z0.s
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# CHECK: rax1 z0.d, z0.d, z0.d
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# CHECK: bdep z0.b, z1.b, z31.b
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# CHECK: ldaprb w0, [x0]
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# CHECK: mrs x0, RNDR
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# CHECK: irg x0, x0
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# CHECK: mrs x2, SSBS
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# CHECK: sb
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# CHECK: cfp rctx, x0
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# CHECK: bfdot v2.2s, v3.4h, v4.4h
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# CHECK: smmla v1.4s, v16.16b, v31.16b
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# CHECK: fmmla z0.s, z1.s, z2.s
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# CHECK: fmmla z0.d, z1.d, z2.d
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# CHECK: tcommit
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# CHECK: ld64b x0, [x13]
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# CHECK: brb iall
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# CHECK: pacia x0, x1
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# CHECK: cfinv
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# CHECK: addha za0.s, p0/m, p0/m, z0.s
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# CHECK: fmopa za0.d, p0/m, p0/m, z0.d, z0.d
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# CHECK: addha za0.d, p0/m, p0/m, z0.d
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# CHECK: bc.eq 0x98
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# CHECK: cpyfp [x0]!, [x1]!, x2!
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# CHECK: mrs x0, PMCCNTR_EL0
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