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[LoongArch] Support la664 #100068

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Merged
merged 1 commit into from
Jul 23, 2024
Merged

[LoongArch] Support la664 #100068

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11 changes: 11 additions & 0 deletions clang/test/Driver/loongarch-march.c
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Expand Up @@ -6,6 +6,8 @@
// RUN: FileCheck %s --check-prefix=CC1-LA64V1P0
// RUN: %clang --target=loongarch64 -march=la64v1.1 -fsyntax-only %s -### 2>&1 | \
// RUN: FileCheck %s --check-prefix=CC1-LA64V1P1
// RUN: %clang --target=loongarch64 -march=la664 -fsyntax-only %s -### 2>&1 | \
// RUN: FileCheck %s --check-prefix=CC1-LA664
// RUN: %clang --target=loongarch64 -march=loongarch64 -S -emit-llvm %s -o - | \
// RUN: FileCheck %s --check-prefix=IR-LOONGARCH64
// RUN: %clang --target=loongarch64 -march=la464 -S -emit-llvm %s -o - | \
Expand All @@ -14,6 +16,8 @@
// RUN: FileCheck %s --check-prefix=IR-LA64V1P0
// RUN: %clang --target=loongarch64 -march=la64v1.1 -S -emit-llvm %s -o - | \
// RUN: FileCheck %s --check-prefix=IR-LA64V1P1
// RUN: %clang --target=loongarch64 -march=la664 -S -emit-llvm %s -o - | \
// RUN: FileCheck %s --check-prefix=IR-LA664

// CC1-LOONGARCH64: "-target-cpu" "loongarch64"
// CC1-LOONGARCH64-NOT: "-target-feature"
Expand All @@ -39,10 +43,17 @@
// CC1-LA64V1P1-NOT: "-target-feature"
// CC1-LA64V1P1: "-target-abi" "lp64d"

// CC1-LA664: "-target-cpu" "la664"
// CC1-LA664-NOT: "-target-feature"
// CC1-LA664: "-target-feature" "+64bit" "-target-feature" "+f" "-target-feature" "+d" "-target-feature" "+lsx" "-target-feature" "+lasx" "-target-feature" "+ual" "-target-feature" "+frecipe"
// CC1-LA664-NOT: "-target-feature"
// CC1-LA664: "-target-abi" "lp64d"

// IR-LOONGARCH64: attributes #[[#]] ={{.*}}"target-cpu"="loongarch64" {{.*}}"target-features"="+64bit,+d,+f,+ual"
// IR-LA464: attributes #[[#]] ={{.*}}"target-cpu"="la464" {{.*}}"target-features"="+64bit,+d,+f,+lasx,+lsx,+ual"
// IR-LA64V1P0: attributes #[[#]] ={{.*}}"target-cpu"="loongarch64" {{.*}}"target-features"="+64bit,+d,+lsx,+ual"
// IR-LA64V1P1: attributes #[[#]] ={{.*}}"target-cpu"="loongarch64" {{.*}}"target-features"="+64bit,+d,+frecipe,+lsx,+ual"
// IR-LA664: attributes #[[#]] ={{.*}}"target-cpu"="la664" {{.*}}"target-features"="+64bit,+d,+f,+frecipe,+lasx,+lsx,+ual"

int foo(void) {
return 3;
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5 changes: 5 additions & 0 deletions clang/test/Driver/loongarch-mtune.c
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Expand Up @@ -8,6 +8,11 @@
// RUN: %clang --target=loongarch64 -mtune=la464 -S -emit-llvm %s -o - | \
// RUN: FileCheck %s --check-prefix=IRATTR -DCPU=la464

// RUN: %clang --target=loongarch64 -mtune=la664 -fsyntax-only %s -### 2>&1 | \
// RUN: FileCheck %s --check-prefix=CC1ARG -DCPU=la664
// RUN: %clang --target=loongarch64 -mtune=la664 -S -emit-llvm %s -o - | \
// RUN: FileCheck %s --check-prefix=IRATTR -DCPU=la664

// RUN: %clang --target=loongarch64 -mtune=invalidcpu -fsyntax-only %s -### 2>&1 | \
// RUN: FileCheck %s --check-prefix=CC1ARG -DCPU=invalidcpu
// RUN: not %clang --target=loongarch64 -mtune=invalidcpu -S -emit-llvm %s -o /dev/null 2>&1 | \
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8 changes: 8 additions & 0 deletions clang/test/Preprocessor/init-loongarch.c
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Expand Up @@ -832,6 +832,14 @@
// RUN: FileCheck --match-full-lines --check-prefixes=ARCH-TUNE,FRECIPE -DARCH=loongarch64 -DTUNE=loongarch64 %s
// RUN: %clang --target=loongarch64 -x c -E -dM %s -o - -march=loongarch64 -Xclang -target-feature -Xclang +lsx -Xclang -target-feature -Xclang +frecipe | \
// RUN: FileCheck --match-full-lines --check-prefixes=ARCH-TUNE,FRECIPE -DARCH=la64v1.1 -DTUNE=loongarch64 %s
// RUN: %clang --target=loongarch64 -x c -E -dM %s -o - -march=la664 | \
// RUN: FileCheck --match-full-lines --check-prefixes=ARCH-TUNE,FRECIPE -DARCH=la664 -DTUNE=la664 %s
// RUN: %clang --target=loongarch64 -x c -E -dM %s -o - -mtune=la664 | \
// RUN: FileCheck --match-full-lines --check-prefix=ARCH-TUNE -DARCH=loongarch64 -DTUNE=la664 %s
// RUN: %clang --target=loongarch64 -x c -E -dM %s -o - -march=loongarch64 -mtune=la664 | \
// RUN: FileCheck --match-full-lines --check-prefix=ARCH-TUNE -DARCH=loongarch64 -DTUNE=la664 %s
// RUN: %clang --target=loongarch64 -x c -E -dM %s -o - -march=la664 -mtune=loongarch64 | \
// RUN: FileCheck --match-full-lines --check-prefixes=ARCH-TUNE,FRECIPE -DARCH=la664 -DTUNE=loongarch64 %s

// ARCH-TUNE: #define __loongarch_arch "[[ARCH]]"
// FRECIPE: #define __loongarch_frecipe 1
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2 changes: 2 additions & 0 deletions llvm/include/llvm/TargetParser/LoongArchTargetParser.def
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Expand Up @@ -10,6 +10,7 @@ LOONGARCH_FEATURE("+lasx", FK_LASX)
LOONGARCH_FEATURE("+lbt", FK_LBT)
LOONGARCH_FEATURE("+lvz", FK_LVZ)
LOONGARCH_FEATURE("+ual", FK_UAL)
LOONGARCH_FEATURE("+frecipe", FK_FRECIPE)

#undef LOONGARCH_FEATURE

Expand All @@ -19,5 +20,6 @@ LOONGARCH_FEATURE("+ual", FK_UAL)

LOONGARCH_ARCH("loongarch64", AK_LOONGARCH64, FK_64BIT | FK_FP32 | FK_FP64 | FK_UAL)
LOONGARCH_ARCH("la464", AK_LA464, FK_64BIT | FK_FP32 | FK_FP64 | FK_LSX | FK_LASX | FK_UAL)
LOONGARCH_ARCH("la664", AK_LA664, FK_64BIT | FK_FP32 | FK_FP64 | FK_LSX | FK_LASX | FK_UAL | FK_FRECIPE)

#undef LOONGARCH_ARCH
3 changes: 3 additions & 0 deletions llvm/include/llvm/TargetParser/LoongArchTargetParser.h
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Expand Up @@ -46,6 +46,9 @@ enum FeatureKind : uint32_t {

// Allow memory accesses to be unaligned.
FK_UAL = 1 << 8,

// Floating-point approximate reciprocal instructions are available.
FK_FRECIPE = 1 << 9,
};

struct FeatureInfo {
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7 changes: 7 additions & 0 deletions llvm/lib/Target/LoongArch/LoongArch.td
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Expand Up @@ -151,6 +151,13 @@ def : ProcessorModel<"la464", NoSchedModel, [Feature64Bit,
FeatureExtLVZ,
FeatureExtLBT]>;

def : ProcessorModel<"la664", NoSchedModel, [Feature64Bit,
FeatureUAL,
FeatureExtLASX,
FeatureExtLVZ,
FeatureExtLBT,
FeatureFrecipe]>;

//===----------------------------------------------------------------------===//
// Define the LoongArch target.
//===----------------------------------------------------------------------===//
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2 changes: 2 additions & 0 deletions llvm/lib/TargetParser/Host.cpp
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Expand Up @@ -1562,6 +1562,8 @@ StringRef sys::getHostCPUName() {
switch (processor_id & 0xf000) {
case 0xc000: // Loongson 64bit, 4-issue
return "la464";
case 0xd000: // Loongson 64bit, 6-issue
return "la664";
// TODO: Others.
default:
break;
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5 changes: 5 additions & 0 deletions llvm/test/CodeGen/LoongArch/cpus.ll
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Expand Up @@ -3,6 +3,7 @@

; RUN: llc < %s --mtriple=loongarch64 -mattr=+d --mcpu=loongarch64 2>&1 | FileCheck %s
; RUN: llc < %s --mtriple=loongarch64 -mattr=+d --mcpu=la464 2>&1 | FileCheck %s
; RUN: llc < %s --mtriple=loongarch64 -mattr=+d --mcpu=la664 2>&1 | FileCheck %s
; RUN: llc < %s --mtriple=loongarch64 -mattr=+d 2>&1 | FileCheck %s

; CHECK-NOT: {{.*}} is not a recognized processor for this target
Expand All @@ -18,3 +19,7 @@ define void @tune_cpu_loongarch64() "tune-cpu"="loongarch64" {
define void @tune_cpu_la464() "tune-cpu"="la464" {
ret void
}

define void @tune_cpu_la664() "tune-cpu"="la664" {
ret void
}
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