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[AArch64] Support v8.9-A/v9.4-A in .arch_extension directive

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This adds support for the v8.9-A/v9.4-A architectural extensions to be
used in .arch_extension assembly directives.

Patch by Sam Elliott.

Reviewed By: lenary, tmatheson

Differential Revision: https://reviews.llvm.org/D141402
This commit is contained in:
Lucas Prates 2022-12-21 16:22:35 +00:00
parent 8ea4a4b0f4
commit 1efea0ae8e
3 changed files with 59 additions and 1 deletions
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3
llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp
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@ -3676,6 +3676,9 @@ static const struct Extension {
{"the", {AArch64::FeatureTHE}},
{"d128", {AArch64::FeatureD128}},
{"lse128", {AArch64::FeatureLSE128}},
{"ite", {AArch64::FeatureITE}},
{"cssc", {AArch64::FeatureCSSC}},
{"rcpc3", {AArch64::FeatureRCPC3}},
// FIXME: Unsupported extensions
{"lor", {}},
{"rdma", {}},

37
llvm/test/MC/AArch64/directive-arch_extension-negative.s
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@ -1,6 +1,6 @@
// RUN: not llvm-mc -triple aarch64 \
// RUN: -mattr=+crc,+sm4,+sha3,+sha2,+aes,+fp,+neon,+ras,+lse,+predres,+ccdp,+mte,+tlb-rmi,+pan-rwv,+ccpp,+rcpc,+ls64,+flagm,+hbc,+mops \
// RUN: -mattr=+rcpc3,+lse128,+d128,+the,+rasv2 \
// RUN: -mattr=+rcpc3,+lse128,+d128,+the,+rasv2,+ite,+cssc,+specres2 \
// RUN: -filetype asm -o - %s 2>&1 | FileCheck %s
.arch_extension axp64
@ -70,6 +70,13 @@ casa w5, w7, [x20]
// CHECK: [[@LINE-1]]:1: error: instruction requires: lse
// CHECK-NEXT: casa w5, w7, [x20]
swpp x0, x2, [x3]
// CHECK-NOT: [[@LINE-1]]:1: error: instruction requires: lse128
.arch_extension nolse128
swpp x0, x2, [x3]
// CHECK: [[@LINE-1]]:1: error: instruction requires: lse128
// CHECK-NEXT: swpp x0, x2, [x3]
cfp rctx, x0
// CHECK-NOT: [[@LINE-1]]:5: error: CFPRCTX requires: predres
.arch_extension nopredres
@ -77,6 +84,13 @@ cfp rctx, x0
// CHECK: [[@LINE-1]]:5: error: CFPRCTX requires: predres
// CHECK-NEXT: cfp rctx, x0
cosp rctx, x0
// CHECK-NOT: [[@LINE-1]]:6: error: COSP requires: predres2
.arch_extension nopredres2
cosp rctx, x0
// CHECK: [[@LINE-1]]:6: error: COSP requires: predres2
// CHECK-NEXT: cosp rctx, x0
dc cvadp, x7
// CHECK-NOT: [[@LINE-1]]:4: error: DC CVADP requires: ccdp
.arch_extension noccdp
@ -119,6 +133,13 @@ ldapr x0, [x1]
// CHECK: [[@LINE-1]]:1: error: instruction requires: rcpc
// CHECK-NEXT: ldapr x0, [x1]
stilp w24, w0, [x16, #-8]!
// CHECK-NOT: [[@LINE-1]]:1: error: instruction requires: rcpc3
.arch_extension norcpc3
stilp w24, w0, [x16, #-8]!
// CHECK: [[@LINE-1]]:1: error: instruction requires: rcpc3
// CHECK-NEXT: stilp w24, w0, [x16, #-8]!
ld64b x0, [x13]
// CHECK-NOT: [[@LINE-1]]:1: error: instruction requires: ls64
.arch_extension nols64
@ -169,6 +190,20 @@ rcwswp x0, x1, [x2]
// CHECK: [[@LINE-1]]:1: error: instruction requires: the
// CHECK-NEXT: rcwswp x0, x1, [x2]
trcit x0
// CHECK-NOT: [[@LINE-1]]:1: error: instruction requires: ite
.arch_extension noite
trcit x0
// CHECK: [[@LINE-1]]:1: error: instruction requires: ite
// CHECK-NEXT: trcit x0
umax x0, x1, x2
// CHECK-NOT: [[@LINE-1]]:1: error: instruction requires: cssc
.arch_extension nocssc
umax x0, x1, x2
// CHECK: [[@LINE-1]]:1: error: instruction requires: cssc
// CHECK-NEXT: umax x0, x1, x2
mrs x0, ERXGSR_EL1
// CHECK-NOT: [[@LINE-1]]:9: error: expected readable system register
.arch_extension norasv2

20
llvm/test/MC/AArch64/directive-arch_extension.s
View File

@ -36,10 +36,18 @@ esb
casa w5, w7, [x20]
// CHECK: casa w5, w7, [x20]
.arch_extension lse128
swpp x0, x2, [x3]
// CHECK: swpp x0, x2, [x3]
.arch_extension predres
cfp rctx, x0
// CHECK: cfp rctx, x0
.arch_extension predres2
cosp rctx, x0
// CHECK: cosp rctx, x0
.arch_extension ccdp
dc cvadp, x7
// CHECK: dc cvadp, x7
@ -72,6 +80,10 @@ dc cvap, x7
ldapr x0, [x1]
// CHECK: ldapr x0, [x1]
.arch_extension rcpc3
stilp w24, w0, [x16, #-8]!
// CHECK: stilp w24, w0, [x16, #-8]!
.arch_extension ls64
ld64b x0, [x13]
// CHECK: ld64b x0, [x13]
@ -108,3 +120,11 @@ rcwcasp x0, x1, x6, x7, [x4]
.arch_extension rasv2
mrs x0, ERXGSR_EL1
// CHECK: mrs x0, ERXGSR_EL1
.arch_extension ite
trcit x0
// CHECK: trcit x0
.arch_extension cssc
umax x0, x1, x2
// CHECK: umax x0, x1, x2