[clang] [llvm] [RISCV] Add support of Sscofpmf (PR #83831)
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Mon Mar 4 03:53:16 PST 2024
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-clang
Author: Wang Pengcheng (wangpc-pp)
<details>
<summary>Changes</summary>
This is used in profile, but somehow we missed it.
---
Full diff: https://github.com/llvm/llvm-project/pull/83831.diff
7 Files Affected:
- (modified) clang/test/Preprocessor/riscv-target-features.c (+9)
- (modified) llvm/docs/RISCVUsage.rst (+2-1)
- (modified) llvm/lib/Support/RISCVISAInfo.cpp (+1)
- (modified) llvm/lib/Target/RISCV/RISCVFeatures.td (+3)
- (modified) llvm/test/CodeGen/RISCV/attributes.ll (+4)
- (modified) llvm/test/MC/RISCV/attribute-arch.s (+3)
- (modified) llvm/unittests/Support/RISCVISAInfoTest.cpp (+1)
``````````diff
diff --git a/clang/test/Preprocessor/riscv-target-features.c b/clang/test/Preprocessor/riscv-target-features.c
index 664279cb123949..1a15be1c6e4dc1 100644
--- a/clang/test/Preprocessor/riscv-target-features.c
+++ b/clang/test/Preprocessor/riscv-target-features.c
@@ -29,6 +29,7 @@
// CHECK-NOT: __riscv_smepmp {{.*$}}
// CHECK-NOT: __riscv_ssaia {{.*$}}
// CHECK-NOT: __riscv_ssccptr {{.*$}}
+// CHECK-NOT: __riscv_sscofpmf {{.*$}}
// CHECK-NOT: __riscv_sscounterenw {{.*$}}
// CHECK-NOT: __riscv_ssstateen {{.*$}}
// CHECK-NOT: __riscv_ssstrict {{.*$}}
@@ -351,6 +352,14 @@
// RUN: -o - | FileCheck --check-prefix=CHECK-SSCCPTR-EXT %s
// CHECK-SSCCPTR-EXT: __riscv_ssccptr 1000000{{$}}
+// RUN: %clang --target=riscv32-unknown-linux-gnu \
+// RUN: -march=rv32isscofpmf -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-SSCOFPMF-EXT %s
+// RUN: %clang --target=riscv64-unknown-linux-gnu \
+// RUN: -march=rv64isscofpmf -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-SSCOFPMF-EXT %s
+// CHECK-SSCOFPMF-EXT: __riscv_sscofpmf 1000000{{$}}
+
// RUN: %clang --target=riscv32-unknown-linux-gnu \
// RUN: -march=rv32isscounterenw -E -dM %s \
// RUN: -o - | FileCheck --check-prefix=CHECK-SSCOUNTERENW-EXT %s
diff --git a/llvm/docs/RISCVUsage.rst b/llvm/docs/RISCVUsage.rst
index 8d293b02144307..2595af598f1ee5 100644
--- a/llvm/docs/RISCVUsage.rst
+++ b/llvm/docs/RISCVUsage.rst
@@ -101,6 +101,7 @@ on support follow.
``Smepmp`` Supported
``Ssaia`` Supported
``Ssccptr`` Assembly Support (`See note <#riscv-profiles-extensions-note>`__)
+ ``Sscofpmf`` Assembly Support (`See note <#riscv-profiles-extensions-note>`__)
``Sscounterenw`` Assembly Support (`See note <#riscv-profiles-extensions-note>`__)
``Ssstateen`` Assembly Support (`See note <#riscv-profiles-extensions-note>`__)
``Ssstrict`` Assembly Support (`See note <#riscv-profiles-extensions-note>`__)
@@ -234,7 +235,7 @@ Supported
.. _riscv-profiles-extensions-note:
-``Za128rs``, ``Za64rs``, ``Zic64b``, ``Ziccamoa``, ``Ziccif``, ``Zicclsm``, ``Ziccrse``, ``Shcounterenvw``, ``Shgatpa``, ``Shtvala``, ``Shvsatpa``, ``Shvstvala``, ``Shvstvecd``, ``Ssccptr``, ``Sscounterenw``, ``Ssstateen``, ``Ssstrict``, ``Sstvala``, ``Sstvecd``, ``Ssu64xl``, ``Svade``, ``Svbare``
+``Za128rs``, ``Za64rs``, ``Zic64b``, ``Ziccamoa``, ``Ziccif``, ``Zicclsm``, ``Ziccrse``, ``Shcounterenvw``, ``Shgatpa``, ``Shtvala``, ``Shvsatpa``, ``Shvstvala``, ``Shvstvecd``, ``Ssccptr``, ``Sscofpmf``, ``Sscounterenw``, ``Ssstateen``, ``Ssstrict``, ``Sstvala``, ``Sstvecd``, ``Ssu64xl``, ``Svade``, ``Svbare``
These extensions are defined as part of the `RISC-V Profiles specification <https://github.com/riscv/riscv-profiles/releases/tag/v1.0>`__. They do not introduce any new features themselves, but instead describe existing hardware features.
.. _riscv-zacas-note:
diff --git a/llvm/lib/Support/RISCVISAInfo.cpp b/llvm/lib/Support/RISCVISAInfo.cpp
index 68f5c36e8fafc6..54b4dcb22de8e0 100644
--- a/llvm/lib/Support/RISCVISAInfo.cpp
+++ b/llvm/lib/Support/RISCVISAInfo.cpp
@@ -65,6 +65,7 @@ static const RISCVSupportedExtension SupportedExtensions[] = {
{"smepmp", {1, 0}},
{"ssaia", {1, 0}},
{"ssccptr", {1, 0}},
+ {"sscofpmf", {1, 0}},
{"sscounterenw", {1, 0}},
{"ssstateen", {1, 0}},
{"ssstrict", {1, 0}},
diff --git a/llvm/lib/Target/RISCV/RISCVFeatures.td b/llvm/lib/Target/RISCV/RISCVFeatures.td
index 9773b2998c7dc4..78f3a82d66df2b 100644
--- a/llvm/lib/Target/RISCV/RISCVFeatures.td
+++ b/llvm/lib/Target/RISCV/RISCVFeatures.td
@@ -807,6 +807,9 @@ def FeatureStdExtSsccptr
: SubtargetFeature<"ssccptr", "HasStdExtSsccptr", "true",
"'Ssccptr' (Main memory supports page table reads)", []>;
+def FeatureStdExtSscofpmf
+ : SubtargetFeature<"sscofpmf", "HasStdExtSscofpmf", "true",
+ "'Sscofpmf' (Count Overflow and Mode-Based Filtering)", []>;
def FeatureStdExtShcounterenw
: SubtargetFeature<"shcounterenw", "HasStdExtShcounterenw", "true",
"'Shcounterenw' (Support writeable hcounteren enable "
diff --git a/llvm/test/CodeGen/RISCV/attributes.ll b/llvm/test/CodeGen/RISCV/attributes.ll
index 561b0f21dc3770..cc332df271043f 100644
--- a/llvm/test/CodeGen/RISCV/attributes.ll
+++ b/llvm/test/CodeGen/RISCV/attributes.ll
@@ -42,6 +42,7 @@
; 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
; RUN: llc -mtriple=riscv32 -mattr=+ssccptr %s -o - | FileCheck --check-prefixes=CHECK,RV32SSCCPTR %s
+; RUN: llc -mtriple=riscv32 -mattr=+sscofpmf %s -o - | FileCheck --check-prefixes=CHECK,RV32SSCOFPMF %s
; RUN: llc -mtriple=riscv32 -mattr=+sscounterenw %s -o - | FileCheck --check-prefixes=CHECK,RV32SSCOUNTERENW %s
; RUN: llc -mtriple=riscv32 -mattr=+ssstateen %s -o - | FileCheck --check-prefixes=CHECK,RV32SSSTATEEN %s
; RUN: llc -mtriple=riscv32 -mattr=+ssstrict %s -o - | FileCheck --check-prefixes=CHECK,RV32SSSTRICT %s
@@ -166,6 +167,7 @@
; 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
; RUN: llc -mtriple=riscv64 -mattr=+ssccptr %s -o - | FileCheck --check-prefixes=CHECK,RV64SSCCPTR %s
+; RUN: llc -mtriple=riscv64 -mattr=+sscofpmf %s -o - | FileCheck --check-prefixes=CHECK,RV64SSCOFPMF %s
; RUN: llc -mtriple=riscv64 -mattr=+sscounterenw %s -o - | FileCheck --check-prefixes=CHECK,RV64SSCOUNTERENW %s
; RUN: llc -mtriple=riscv64 -mattr=+ssstateen %s -o - | FileCheck --check-prefixes=CHECK,RV64SSSTATEEN %s
; RUN: llc -mtriple=riscv64 -mattr=+ssstrict %s -o - | FileCheck --check-prefixes=CHECK,RV64SSSTRICT %s
@@ -295,6 +297,7 @@
; RV32SHGATPA: .attribute 5, "rv32i2p1_shgatpa1p0"
; RV32SHVSATPA: .attribute 5, "rv32i2p1_shvsatpa1p0"
; RV32SSCCPTR: .attribute 5, "rv32i2p1_ssccptr1p0"
+; RV32SSCOFPMF: .attribute 5, "rv32i2p1_sscofpmf1p0"
; RV32SSCOUNTERENW: .attribute 5, "rv32i2p1_sscounterenw1p0"
; RV32SSSTATEEN: .attribute 5, "rv32i2p1_ssstateen1p0"
; RV32SSSTRICT: .attribute 5, "rv32i2p1_ssstrict1p0"
@@ -421,6 +424,7 @@
; RV64SHGATPA: .attribute 5, "rv64i2p1_shgatpa1p0"
; RV64SHVSATPA: .attribute 5, "rv64i2p1_shvsatpa1p0"
; RV64SSCCPTR: .attribute 5, "rv64i2p1_ssccptr1p0"
+; RV64SSCOFPMF: .attribute 5, "rv64i2p1_sscofpmf1p0"
; RV64SSCOUNTERENW: .attribute 5, "rv64i2p1_sscounterenw1p0"
; RV64SSSTATEEN: .attribute 5, "rv64i2p1_ssstateen1p0"
; RV64SSSTRICT: .attribute 5, "rv64i2p1_ssstrict1p0"
diff --git a/llvm/test/MC/RISCV/attribute-arch.s b/llvm/test/MC/RISCV/attribute-arch.s
index 368d8daf72b36c..09daeee2c1b385 100644
--- a/llvm/test/MC/RISCV/attribute-arch.s
+++ b/llvm/test/MC/RISCV/attribute-arch.s
@@ -318,6 +318,9 @@
.attribute arch, "rv32i_ssccptr1p0"
# CHECK: attribute 5, "rv32i2p1_ssccptr1p0"
+.attribute arch, "rv32i_sscofpmf1p0"
+# CHECK: attribute 5, "rv32i2p1_sscofpmf1p0"
+
.attribute arch, "rv32i_sscounterenw1p0"
# CHECK: attribute 5, "rv32i2p1_sscounterenw1p0"
diff --git a/llvm/unittests/Support/RISCVISAInfoTest.cpp b/llvm/unittests/Support/RISCVISAInfoTest.cpp
index 82cce23638d5f5..8a627eca05cb4b 100644
--- a/llvm/unittests/Support/RISCVISAInfoTest.cpp
+++ b/llvm/unittests/Support/RISCVISAInfoTest.cpp
@@ -830,6 +830,7 @@ R"(All available -march extensions for RISC-V
smepmp 1.0
ssaia 1.0
ssccptr 1.0
+ sscofpmf 1.0
sscounterenw 1.0
ssstateen 1.0
ssstrict 1.0
``````````
</details>
https://github.com/llvm/llvm-project/pull/83831
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