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[RISCV] Add the Sha extension #113820

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Merged
merged 1 commit into from
Oct 28, 2024
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[RISCV] Add the Sha extension #113820

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1 change: 1 addition & 0 deletions clang/test/Driver/print-supported-extensions-riscv.c
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Expand Up @@ -110,6 +110,7 @@
// CHECK-NEXT: zvl8192b 1.0 'Zvl' (Minimum Vector Length) 8192
// CHECK-NEXT: zhinx 1.0 'Zhinx' (Half Float in Integer)
// CHECK-NEXT: zhinxmin 1.0 'Zhinxmin' (Half Float in Integer Minimal)
// CHECK-NEXT: sha 1.0 'Sha' (Augmented Hypervisor)
// CHECK-NEXT: shcounterenw 1.0 'Shcounterenw' (Support writeable hcounteren enable bit for any hpmcounter that is not read-only zero)
// CHECK-NEXT: shgatpa 1.0 'Sgatpa' (SvNNx4 mode supported for all modes supported by satp, as well as Bare)
// CHECK-NEXT: shtvala 1.0 'Shtvala' (htval provides all needed values)
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9 changes: 9 additions & 0 deletions clang/test/Preprocessor/riscv-target-features.c
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Expand Up @@ -20,6 +20,7 @@
// CHECK-NOT: __riscv_m {{.*$}}
// CHECK-NOT: __riscv_mul {{.*$}}
// CHECK-NOT: __riscv_muldiv {{.*$}}
// CHECK-NOT: __riscv_sha {{.*$}}
// CHECK-NOT: __riscv_shcounterenw {{.*$}}
// CHECK-NOT: __riscv_shgatpa {{.*$}}
// CHECK-NOT: __riscv_shtvala {{.*$}}
Expand Down Expand Up @@ -323,6 +324,14 @@
// CHECK-M-EXT: __riscv_mul 1
// CHECK-M-EXT: __riscv_muldiv 1

// RUN: %clang --target=riscv32-unknown-linux-gnu \
// RUN: -march=rv32isha -E -dM %s \
// RUN: -o - | FileCheck --check-prefix=CHECK-SHCOUNTERENW-EXT %s
// RUN: %clang --target=riscv64-unknown-linux-gnu \
// RUN: -march=rv64isha -E -dM %s \
// RUN: -o - | FileCheck --check-prefix=CHECK-SHCOUNTERENW-EXT %s
// CHECK-SHA-EXT: __riscv_sha 1000000{{$}}

// RUN: %clang --target=riscv32-unknown-linux-gnu \
// RUN: -march=rv32ishcounterenw -E -dM %s \
// RUN: -o - | FileCheck --check-prefix=CHECK-SHCOUNTERENW-EXT %s
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1 change: 1 addition & 0 deletions llvm/docs/RISCVUsage.rst
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Expand Up @@ -119,6 +119,7 @@ on support follow.
``E`` Supported (`See note <#riscv-rve-note>`__)
``H`` Assembly Support
``M`` Supported
``Sha`` Supported
``Shcounterenw`` Assembly Support (`See note <#riscv-profiles-extensions-note>`__)
``Shgatpa`` Assembly Support (`See note <#riscv-profiles-extensions-note>`__)
``Shtvala`` Assembly Support (`See note <#riscv-profiles-extensions-note>`__)
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1 change: 1 addition & 0 deletions llvm/docs/ReleaseNotes.md
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Expand Up @@ -176,6 +176,7 @@ Changes to the RISC-V Backend
* The `Zacas` extension is no longer marked as experimental.
* The `Smmpm`, `Smnpm`, `Ssnpm`, `Supm`, and `Sspm` pointer masking extensions
are no longer marked as experimental.
* The `Sha` extension is now supported.

Changes to the WebAssembly Backend
----------------------------------
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7 changes: 7 additions & 0 deletions llvm/lib/Target/RISCV/RISCVFeatures.td
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Expand Up @@ -1029,6 +1029,13 @@ def FeatureStdExtSvpbmt
: RISCVExtension<"svpbmt", 1, 0,
"'Svpbmt' (Page-Based Memory Types)">;

def FeatureStdExtSha
: RISCVExtension<"sha", 1, 0,
"'Sha' (Augmented Hypervisor)",
[FeatureStdExtH, FeatureStdExtSsstateen, FeatureStdExtShcounterenw,
FeatureStdExtShvstvala, FeatureStdExtShtvala, FeatureStdExtShvstvecd,
FeatureStdExtShvsatpa, FeatureStdExtShgatpa]>;

// Pointer Masking extensions

// A supervisor-level extension that provides pointer masking for the next lower
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4 changes: 4 additions & 0 deletions llvm/test/CodeGen/RISCV/attributes.ll
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Expand Up @@ -39,6 +39,7 @@
; RUN: llc -mtriple=riscv32 -mattr=+zicbom %s -o - | FileCheck --check-prefixes=CHECK,RV32ZICBOM %s
; RUN: llc -mtriple=riscv32 -mattr=+zicboz %s -o - | FileCheck --check-prefixes=CHECK,RV32ZICBOZ %s
; RUN: llc -mtriple=riscv32 -mattr=+zicbop %s -o - | FileCheck --check-prefixes=CHECK,RV32ZICBOP %s
; RUN: llc -mtriple=riscv32 -mattr=+sha %s -o - | FileCheck --check-prefixes=CHECK,RV32SHA %s
; RUN: llc -mtriple=riscv32 -mattr=+shcounterenw %s -o - | FileCheck --check-prefixes=CHECK,RV32SHCOUNTERENW %s
; RUN: llc -mtriple=riscv32 -mattr=+shgatpa %s -o - | FileCheck --check-prefixes=CHECK,RV32SHGATPA %s
; RUN: llc -mtriple=riscv32 -mattr=+shvsatpa %s -o - | FileCheck --check-prefixes=CHECK,RV32SHVSATPA %s
Expand Down Expand Up @@ -178,6 +179,7 @@
; RUN: llc -mtriple=riscv64 -mattr=+zicbom %s -o - | FileCheck --check-prefixes=CHECK,RV64ZICBOM %s
; RUN: llc -mtriple=riscv64 -mattr=+zicboz %s -o - | FileCheck --check-prefixes=CHECK,RV64ZICBOZ %s
; RUN: llc -mtriple=riscv64 -mattr=+zicbop %s -o - | FileCheck --check-prefixes=CHECK,RV64ZICBOP %s
; RUN: llc -mtriple=riscv64 -mattr=+sha %s -o - | FileCheck --check-prefixes=CHECK,RV64SHA %s
; RUN: llc -mtriple=riscv64 -mattr=+shcounterenw %s -o - | FileCheck --check-prefixes=CHECK,RV64SHCOUNTERENW %s
; RUN: llc -mtriple=riscv64 -mattr=+shgatpa %s -o - | FileCheck --check-prefixes=CHECK,RV64SHGATPA %s
; RUN: llc -mtriple=riscv64 -mattr=+shvsatpa %s -o - | FileCheck --check-prefixes=CHECK,RV64SHVSATPA %s
Expand Down Expand Up @@ -333,6 +335,7 @@
; RV32ZICBOM: .attribute 5, "rv32i2p1_zicbom1p0"
; RV32ZICBOZ: .attribute 5, "rv32i2p1_zicboz1p0"
; RV32ZICBOP: .attribute 5, "rv32i2p1_zicbop1p0"
; RV32SHA: .attribute 5, "rv32i2p1_h1p0_sha1p0_shcounterenw1p0_shgatpa1p0_shtvala1p0_shvsatpa1p0_shvstvala1p0_shvstvecd1p0_ssstateen1p0"
; RV32SHCOUNTERENW: .attribute 5, "rv32i2p1_shcounterenw1p0"
; RV32SHGATPA: .attribute 5, "rv32i2p1_shgatpa1p0"
; RV32SHVSATPA: .attribute 5, "rv32i2p1_shvsatpa1p0"
Expand Down Expand Up @@ -474,6 +477,7 @@
; RV64ZAMA16B: .attribute 5, "rv64i2p1_zama16b1p0"
; RV64ZAWRS: .attribute 5, "rv64i2p1_zawrs1p0"
; RV64ZICBOP: .attribute 5, "rv64i2p1_zicbop1p0"
; RV64SHA: .attribute 5, "rv64i2p1_h1p0_sha1p0_shcounterenw1p0_shgatpa1p0_shtvala1p0_shvsatpa1p0_shvstvala1p0_shvstvecd1p0_ssstateen1p0"
; RV64SHCOUNTERENW: .attribute 5, "rv64i2p1_shcounterenw1p0"
; RV64SHGATPA: .attribute 5, "rv64i2p1_shgatpa1p0"
; RV64SHVSATPA: .attribute 5, "rv64i2p1_shvsatpa1p0"
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1 change: 1 addition & 0 deletions llvm/unittests/TargetParser/RISCVISAInfoTest.cpp
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Expand Up @@ -1055,6 +1055,7 @@ R"(All available -march extensions for RISC-V
zvl8192b 1.0
zhinx 1.0
zhinxmin 1.0
sha 1.0
shcounterenw 1.0
shgatpa 1.0
shtvala 1.0
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