https://github.com/zqb-all created https://github.com/llvm/llvm-project/pull/173988
SpacemiT X100 is a 4-issue, out-of-order, RVA23 processor https://www.spacemit.com/en/spacemit-x100-core/ >From db5d6232d74fb3bfea9b4f026154cefddbc3cdce Mon Sep 17 00:00:00 2001 From: Mark Zhuang <[email protected]> Date: Tue, 30 Dec 2025 16:44:38 +0800 Subject: [PATCH] [RISCV] Add SpacemiT X100 processor definition SpacemiT X100 is a 4-issue, out-of-order, RVA23 processor https://www.spacemit.com/en/spacemit-x100-core/ --- .../riscv-spacemit-x100.c | 110 ++++++++++++++++++ clang/test/Driver/riscv-cpus.c | 8 ++ .../test/Misc/target-invalid-cpu-note/riscv.c | 2 + llvm/docs/ReleaseNotes.md | 1 + llvm/lib/Target/RISCV/RISCVProcessors.td | 31 +++++ 5 files changed, 152 insertions(+) create mode 100644 clang/test/Driver/print-enabled-extensions/riscv-spacemit-x100.c diff --git a/clang/test/Driver/print-enabled-extensions/riscv-spacemit-x100.c b/clang/test/Driver/print-enabled-extensions/riscv-spacemit-x100.c new file mode 100644 index 0000000000000..8c814cfbdf8a6 --- /dev/null +++ b/clang/test/Driver/print-enabled-extensions/riscv-spacemit-x100.c @@ -0,0 +1,110 @@ +// REQUIRES: riscv-registered-target +// RUN: %clang --target=riscv64 -mcpu=spacemit-x100 --print-enabled-extensions | FileCheck %s + +// CHECK: Extensions enabled for the given RISC-V target +// CHECK-EMPTY: +// CHECK-NEXT: Name Version Description +// CHECK-NEXT: i 2.1 'I' (Base Integer Instruction Set) +// CHECK-NEXT: m 2.0 'M' (Integer Multiplication and Division) +// CHECK-NEXT: a 2.1 'A' (Atomic Instructions) +// CHECK-NEXT: f 2.2 'F' (Single-Precision Floating-Point) +// CHECK-NEXT: d 2.2 'D' (Double-Precision Floating-Point) +// CHECK-NEXT: c 2.0 'C' (Compressed Instructions) +// CHECK-NEXT: b 1.0 'B' (the collection of the Zba, Zbb, Zbs extensions) +// CHECK-NEXT: v 1.0 'V' (Vector Extension for Application Processors) +// CHECK-NEXT: h 1.0 'H' (Hypervisor) +// CHECK-NEXT: zic64b 1.0 'Zic64b' (Cache Block Size Is 64 Bytes) +// CHECK-NEXT: zicbom 1.0 'Zicbom' (Cache-Block Management Instructions) +// CHECK-NEXT: zicbop 1.0 'Zicbop' (Cache-Block Prefetch Instructions) +// CHECK-NEXT: zicboz 1.0 'Zicboz' (Cache-Block Zero Instructions) +// CHECK-NEXT: ziccamoa 1.0 'Ziccamoa' (Main Memory Supports All Atomics in A) +// CHECK-NEXT: ziccif 1.0 'Ziccif' (Main Memory Supports Instruction Fetch with Atomicity Requirement) +// CHECK-NEXT: zicclsm 1.0 'Zicclsm' (Main Memory Supports Misaligned Loads/Stores) +// CHECK-NEXT: ziccrse 1.0 'Ziccrse' (Main Memory Supports Forward Progress on LR/SC Sequences) +// CHECK-NEXT: zicntr 2.0 'Zicntr' (Base Counters and Timers) +// CHECK-NEXT: zicond 1.0 'Zicond' (Integer Conditional Operations) +// CHECK-NEXT: zicsr 2.0 'Zicsr' (CSRs) +// CHECK-NEXT: zifencei 2.0 'Zifencei' (fence.i) +// CHECK-NEXT: zihintntl 1.0 'Zihintntl' (Non-Temporal Locality Hints) +// CHECK-NEXT: zihintpause 2.0 'Zihintpause' (Pause Hint) +// CHECK-NEXT: zihpm 2.0 'Zihpm' (Hardware Performance Counters) +// CHECK-NEXT: zimop 1.0 'Zimop' (May-Be-Operations) +// CHECK-NEXT: zmmul 1.0 'Zmmul' (Integer Multiplication) +// CHECK-NEXT: za64rs 1.0 'Za64rs' (Reservation Set Size of at Most 64 Bytes) +// CHECK-NEXT: zaamo 1.0 'Zaamo' (Atomic Memory Operations) +// CHECK-NEXT: zalrsc 1.0 'Zalrsc' (Load-Reserved/Store-Conditional) +// CHECK-NEXT: zawrs 1.0 'Zawrs' (Wait on Reservation Set) +// CHECK-NEXT: zfa 1.0 'Zfa' (Additional Floating-Point) +// CHECK-NEXT: zfbfmin 1.0 'Zfbfmin' (Scalar BF16 Converts) +// CHECK-NEXT: zfh 1.0 'Zfh' (Half-Precision Floating-Point) +// CHECK-NEXT: zfhmin 1.0 'Zfhmin' (Half-Precision Floating-Point Minimal) +// CHECK-NEXT: zca 1.0 'Zca' (part of the C extension, excluding compressed floating point loads/stores) +// CHECK-NEXT: zcb 1.0 'Zcb' (Compressed basic bit manipulation instructions) +// CHECK-NEXT: zcd 1.0 'Zcd' (Compressed Double-Precision Floating-Point Instructions) +// CHECK-NEXT: zcmop 1.0 'Zcmop' (Compressed May-Be-Operations) +// CHECK-NEXT: zba 1.0 'Zba' (Address Generation Instructions) +// CHECK-NEXT: zbb 1.0 'Zbb' (Basic Bit-Manipulation) +// CHECK-NEXT: zbc 1.0 'Zbc' (Carry-Less Multiplication) +// CHECK-NEXT: zbkc 1.0 'Zbkc' (Carry-less multiply instructions for Cryptography) +// CHECK-NEXT: zbs 1.0 'Zbs' (Single-Bit Instructions) +// CHECK-NEXT: zkt 1.0 'Zkt' (Data Independent Execution Latency) +// CHECK-NEXT: zvbb 1.0 'Zvbb' (Vector basic bit-manipulation instructions) +// CHECK-NEXT: zvbc 1.0 'Zvbc' (Vector Carryless Multiplication) +// CHECK-NEXT: zve32f 1.0 'Zve32f' (Vector Extensions for Embedded Processors with maximal 32 EEW and F extension) +// CHECK-NEXT: zve32x 1.0 'Zve32x' (Vector Extensions for Embedded Processors with maximal 32 EEW) +// CHECK-NEXT: zve64d 1.0 'Zve64d' (Vector Extensions for Embedded Processors with maximal 64 EEW, F and D extension) +// CHECK-NEXT: zve64f 1.0 'Zve64f' (Vector Extensions for Embedded Processors with maximal 64 EEW and F extension) +// CHECK-NEXT: zve64x 1.0 'Zve64x' (Vector Extensions for Embedded Processors with maximal 64 EEW) +// CHECK-NEXT: zvfbfmin 1.0 'Zvfbfmin' (Vector BF16 Converts) +// CHECK-NEXT: zvfbfwma 1.0 'Zvfbfwma' (Vector BF16 widening mul-add) +// CHECK-NEXT: zvfh 1.0 'Zvfh' (Vector Half-Precision Floating-Point) +// CHECK-NEXT: zvfhmin 1.0 'Zvfhmin' (Vector Half-Precision Floating-Point Minimal) +// CHECK-NEXT: zvkb 1.0 'Zvkb' (Vector Bit-manipulation used in Cryptography) +// CHECK-NEXT: zvkg 1.0 'Zvkg' (Vector GCM instructions for Cryptography) +// CHECK-NEXT: zvkn 1.0 'Zvkn' (shorthand for 'Zvkned', 'Zvknhb', 'Zvkb', and 'Zvkt') +// CHECK-NEXT: zvknc 1.0 'Zvknc' (shorthand for 'Zvknc' and 'Zvbc') +// CHECK-NEXT: zvkned 1.0 'Zvkned' (Vector AES Encryption & Decryption (Single Round)) +// CHECK-NEXT: zvkng 1.0 'Zvkng' (shorthand for 'Zvkn' and 'Zvkg') +// CHECK-NEXT: zvknha 1.0 'Zvknha' (Vector SHA-2 (SHA-256 only)) +// CHECK-NEXT: zvknhb 1.0 'Zvknhb' (Vector SHA-2 (SHA-256 and SHA-512)) +// CHECK-NEXT: zvks 1.0 'Zvks' (shorthand for 'Zvksed', 'Zvksh', 'Zvkb', and 'Zvkt') +// CHECK-NEXT: zvksc 1.0 'Zvksc' (shorthand for 'Zvks' and 'Zvbc') +// CHECK-NEXT: zvksed 1.0 'Zvksed' (SM4 Block Cipher Instructions) +// CHECK-NEXT: zvksg 1.0 'Zvksg' (shorthand for 'Zvks' and 'Zvkg') +// CHECK-NEXT: zvksh 1.0 'Zvksh' (SM3 Hash Function Instructions) +// CHECK-NEXT: zvkt 1.0 'Zvkt' (Vector Data-Independent Execution Latency) +// CHECK-NEXT: zvl128b 1.0 'Zvl128b' (Minimum Vector Length 128) +// CHECK-NEXT: zvl256b 1.0 'Zvl256b' (Minimum Vector Length 256) +// CHECK-NEXT: zvl32b 1.0 'Zvl32b' (Minimum Vector Length 32) +// CHECK-NEXT: zvl64b 1.0 'Zvl64b' (Minimum Vector Length 64) +// 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 'Shgatpa' (SvNNx4 mode supported for all modes supported by satp, as well as Bare) +// CHECK-NEXT: shtvala 1.0 'Shtvala' (htval provides all needed values) +// CHECK-NEXT: shvsatpa 1.0 'Shvsatpa' (vsatp supports all modes supported by satp) +// CHECK-NEXT: shvstvala 1.0 'Shvstvala' (vstval provides all needed values) +// CHECK-NEXT: shvstvecd 1.0 'Shvstvecd' (vstvec supports Direct mode) +// CHECK-NEXT: smepmp 1.0 'Smepmp' (Enhanced Physical Memory Protection) +// CHECK-NEXT: smnpm 1.0 'Smnpm' (Machine-level Pointer Masking for next lower privilege mode) +// CHECK-NEXT: smstateen 1.0 'Smstateen' (Machine-mode view of the state-enable extension) +// CHECK-NEXT: ssccptr 1.0 'Ssccptr' (Main memory supports page table reads) +// CHECK-NEXT: sscofpmf 1.0 'Sscofpmf' (Count Overflow and Mode-Based Filtering) +// CHECK-NEXT: sscounterenw 1.0 'Sscounterenw' (Support writeable scounteren enable bit for any hpmcounter that is not read-only zero) +// CHECK-NEXT: ssnpm 1.0 'Ssnpm' (Supervisor-level Pointer Masking for next lower privilege mode) +// CHECK-NEXT: sspm 1.0 'Sspm' (Indicates Supervisor-mode Pointer Masking) +// CHECK-NEXT: ssstateen 1.0 'Ssstateen' (Supervisor-mode view of the state-enable extension) +// CHECK-NEXT: sstc 1.0 'Sstc' (Supervisor-mode timer interrupts) +// CHECK-NEXT: sstvala 1.0 'Sstvala' (stval provides all needed values) +// CHECK-NEXT: sstvecd 1.0 'Sstvecd' (stvec supports Direct mode) +// CHECK-NEXT: ssu64xl 1.0 'Ssu64xl' (UXLEN=64 supported) +// CHECK-NEXT: supm 1.0 'Supm' (Indicates User-mode Pointer Masking) +// CHECK-NEXT: svade 1.0 'Svade' (Raise exceptions on improper A/D bits) +// CHECK-NEXT: svbare 1.0 'Svbare' (satp mode Bare supported) +// CHECK-NEXT: svinval 1.0 'Svinval' (Fine-Grained Address-Translation Cache Invalidation) +// CHECK-NEXT: svnapot 1.0 'Svnapot' (NAPOT Translation Contiguity) +// CHECK-NEXT: svpbmt 1.0 'Svpbmt' (Page-Based Memory Types) +// CHECK-NEXT: xsmtvdot 1.0 'XSMTVDot' (SpacemiT Vector Dot Product Extension) +// CHECK-EMPTY: +// CHECK-NEXT: Experimental extensions +// CHECK-EMPTY: +// CHECK-NEXT: ISA String: rv64i2p1_m2p0_a2p1_f2p2_d2p2_c2p0_b1p0_v1p0_h1p0_zic64b1p0_zicbom1p0_zicbop1p0_zicboz1p0_ziccamoa1p0_ziccif1p0_zicclsm1p0_ziccrse1p0_zicntr2p0_zicond1p0_zicsr2p0_zifencei2p0_zihintntl1p0_zihintpause2p0_zihpm2p0_zimop1p0_zmmul1p0_za64rs1p0_zaamo1p0_zalrsc1p0_zawrs1p0_zfa1p0_zfbfmin1p0_zfh1p0_zfhmin1p0_zca1p0_zcb1p0_zcd1p0_zcmop1p0_zba1p0_zbb1p0_zbc1p0_zbkc1p0_zbs1p0_zkt1p0_zvbb1p0_zvbc1p0_zve32f1p0_zve32x1p0_zve64d1p0_zve64f1p0_zve64x1p0_zvfbfmin1p0_zvfbfwma1p0_zvfh1p0_zvfhmin1p0_zvkb1p0_zvkg1p0_zvkn1p0_zvknc1p0_zvkned1p0_zvkng1p0_zvknha1p0_zvknhb1p0_zvks1p0_zvksc1p0_zvksed1p0_zvksg1p0_zvksh1p0_zvkt1p0_zvl128b1p0_zvl256b1p0_zvl32b1p0_zvl64b1p0_sha1p0_shcounterenw1p0_shgatpa1p0_shtvala1p0_shvsatpa1p0_shvstvala1p0_shvstvecd1p0_smepmp1p0_smnpm1p0_smstateen1p0_ssccptr1p0_sscofpmf1p0_sscounterenw1p0_ssnpm1p0_sspm1p0_ssstateen1p0_sstc1p0_sstvala1p0_sstvecd1p0_ssu64xl1p0_supm1p0_svade1p0_svbare1p0_svinval1p0_svnapot1p0_svpbmt1p0_xsmtvdot1p0 diff --git a/clang/test/Driver/riscv-cpus.c b/clang/test/Driver/riscv-cpus.c index 5d5fdd72baedb..51209de713c0b 100644 --- a/clang/test/Driver/riscv-cpus.c +++ b/clang/test/Driver/riscv-cpus.c @@ -160,6 +160,14 @@ // MCPU-SPACEMIT-X60-SAME: "-target-feature" "+xsmtvdot" // MCPU-SPACEMIT-X60-SAME: "-target-abi" "lp64d" +// RUN: %clang --target=riscv64 -### -c %s 2>&1 -mcpu=spacemit-x100 | FileCheck -check-prefix=MCPU-SPACEMIT-X100 %s +// MCPU-SPACEMIT-X100: "-target-cpu" "spacemit-x100" +// COM: The list of extensions are tested in `test/Driver/print-enabled-extensions/riscv-spacemit-x100.c` +// MCPU-SPACEMIT-X100-SAME: "-target-abi" "lp64d" + +// RUN: %clang --target=riscv64 -### -c %s 2>&1 -mtune=spacemit-x100 | FileCheck -check-prefix=MTUNE-SPACEMIT-X100 %s +// MTUNE-SPACEMIT-X100: "-tune-cpu" "spacemit-x100" + // We cannot check much for -mcpu=native, but it should be replaced by a valid CPU string. // RUN: %clang --target=riscv64 -### -c %s -mcpu=native 2> %t.err || true // RUN: FileCheck --input-file=%t.err -check-prefix=MCPU-NATIVE %s diff --git a/clang/test/Misc/target-invalid-cpu-note/riscv.c b/clang/test/Misc/target-invalid-cpu-note/riscv.c index 5d6cda0044a99..a581189d4e888 100644 --- a/clang/test/Misc/target-invalid-cpu-note/riscv.c +++ b/clang/test/Misc/target-invalid-cpu-note/riscv.c @@ -48,6 +48,7 @@ // RISCV64-SAME: {{^}}, sifive-x280 // RISCV64-SAME: {{^}}, sifive-x390 // RISCV64-SAME: {{^}}, spacemit-x60 +// RISCV64-SAME: {{^}}, spacemit-x100 // RISCV64-SAME: {{^}}, syntacore-scr3-rv64 // RISCV64-SAME: {{^}}, syntacore-scr4-rv64 // RISCV64-SAME: {{^}}, syntacore-scr5-rv64 @@ -109,6 +110,7 @@ // TUNE-RISCV64-SAME: {{^}}, sifive-x280 // TUNE-RISCV64-SAME: {{^}}, sifive-x390 // TUNE-RISCV64-SAME: {{^}}, spacemit-x60 +// TUNE-RISCV64-SAME: {{^}}, spacemit-x100 // TUNE-RISCV64-SAME: {{^}}, syntacore-scr3-rv64 // TUNE-RISCV64-SAME: {{^}}, syntacore-scr4-rv64 // TUNE-RISCV64-SAME: {{^}}, syntacore-scr5-rv64 diff --git a/llvm/docs/ReleaseNotes.md b/llvm/docs/ReleaseNotes.md index 910a50214df2f..8152d65f101a4 100644 --- a/llvm/docs/ReleaseNotes.md +++ b/llvm/docs/ReleaseNotes.md @@ -159,6 +159,7 @@ Changes to the RISC-V Backend * DWARF fission is now compatible with linker relaxations, allowing `-gsplit-dwarf` and `-mrelax` to be used together when building for the RISC-V platform. * The Xqci Qualcomm uC Vendor Extension is no longger marked as experimental. +* `-mcpu=spacemit-x100` is now supported. Changes to the WebAssembly Backend ---------------------------------- diff --git a/llvm/lib/Target/RISCV/RISCVProcessors.td b/llvm/lib/Target/RISCV/RISCVProcessors.td index 5becfd2ad502b..8892baa98a5b9 100644 --- a/llvm/lib/Target/RISCV/RISCVProcessors.td +++ b/llvm/lib/Target/RISCV/RISCVProcessors.td @@ -761,6 +761,37 @@ def SPACEMIT_X60 : RISCVProcessorModel<"spacemit-x60", let MImpID = 0x1000000049772200; } +def SPACEMIT_X100 : RISCVProcessorModel<"spacemit-x100", + NoSchedModel, + !listconcat(RVA23S64Features, + [FeatureStdExtZbc, + FeatureStdExtZbkc, + FeatureStdExtZcd, + FeatureStdExtZfh, + FeatureStdExtZfbfmin, + FeatureStdExtZvbc, + FeatureStdExtZvkng, + FeatureStdExtZvknha, + FeatureStdExtZvksc, + FeatureStdExtZvksg, + FeatureStdExtZvl256b, + FeatureStdExtZvfbfwma, + FeatureStdExtZvfh, + FeatureStdExtSmepmp, + FeatureStdExtSmnpm, + FeatureStdExtSmstateen, + FeatureStdExtSspm, + FeatureVendorXSMTVDot]), + [TuneDLenFactor2, + TuneOptimizedNF2SegmentLoadStore, + TuneOptimizedNF3SegmentLoadStore, + TuneOptimizedNF4SegmentLoadStore, + TuneVXRMPipelineFlush]> { + let MVendorID = 0x710; + let MArchID = 0x8000000058000002; + let MImpID = 0x33d8a600; +} + def RP2350_HAZARD3 : RISCVProcessorModel<"rp2350-hazard3", NoSchedModel, [Feature32Bit, _______________________________________________ cfe-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
