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[X86] Hygon Processors Initial enablement #187622

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Merged
RKSimon merged 14 commits into from
Jun 9, 2026
Merged

[X86] Hygon Processors Initial enablement #187622

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8f80346
[X86] Hygon Processors Initial enablement
JacketPants Mar 19, 2026
29588a4
Update Host.cpp
JacketPants Mar 20, 2026
41c2607
fix some clang-format errors
JacketPants Mar 20, 2026
31d214f
Change c86-4g-m6 KeyFeature to right.
JacketPants Mar 22, 2026
21da8f1
Add and update some comments.
JacketPants Mar 22, 2026
e7c93df
Change the macro names from hyphens to underscores.
JacketPants Mar 26, 2026
196317d
Update llvm/lib/Target/X86/X86.td
JacketPants Mar 26, 2026
c31f14a
Add C864GM4 and C864GM7 Schedule Model
JacketPants May 14, 2026
884bef7
Use a new prefix in schedule model.
JacketPants May 15, 2026
00dcaa0
Add a newline at EOF
JacketPants May 19, 2026
df411de
Merge branch 'main' into main
JacketPants May 26, 2026
b7ea645
Merge branch 'main' into main
JacketPants Jun 1, 2026
613f4c5
Rename llvm-mca test directories and update regression tests
JacketPants Jun 3, 2026
ca2c53c
Merge branch 'main' into main
RKSimon Jun 9, 2026
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13 changes: 13 additions & 0 deletions clang/lib/Basic/Targets/X86.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -729,6 +729,15 @@ void X86TargetInfo::getTargetDefines(const LangOptions &Opts,
case CK_Geode:
defineCPUMacros(Builder, "geode");
break;
case CK_C86_4G_M4:
defineCPUMacros(Builder, "c86-4g-m4");
break;
case CK_C86_4G_M6:
defineCPUMacros(Builder, "c86-4g-m6");
break;
case CK_C86_4G_M7:
defineCPUMacros(Builder, "c86-4g-m7");
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break;
}

// Target properties.
Expand Down Expand Up @@ -1657,6 +1666,10 @@ std::optional<unsigned> X86TargetInfo::getCPUCacheLineSize() const {
case CK_ZNVER4:
case CK_ZNVER5:
case CK_ZNVER6:
// Hygon
case CK_C86_4G_M4:
case CK_C86_4G_M6:
case CK_C86_4G_M7:
// Deprecated
case CK_x86_64:
case CK_x86_64_v2:
Expand Down
3 changes: 3 additions & 0 deletions clang/test/CodeGen/target-builtin-noerror.c
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Expand Up @@ -211,4 +211,7 @@ void verifycpustrings(void) {
(void)__builtin_cpu_is("znver5");
(void)__builtin_cpu_is("znver6");
(void)__builtin_cpu_is("diamondrapids");
(void)__builtin_cpu_is("c86-4g-m4");
(void)__builtin_cpu_is("c86-4g-m6");
(void)__builtin_cpu_is("c86-4g-m7");
}
12 changes: 12 additions & 0 deletions clang/test/Driver/x86-march.c
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Expand Up @@ -263,6 +263,18 @@
// RUN: | FileCheck %s -check-prefix=znver6
// znver6: "-target-cpu" "znver6"

// RUN: %clang -target x86_64-unknown-unknown -c -### %s -march=c86-4g-m4 2>&1 \
// RUN: | FileCheck %s -check-prefix=c86-4g-m4
// c86-4g-m4: "-target-cpu" "c86-4g-m4"

// RUN: %clang -target x86_64-unknown-unknown -c -### %s -march=c86-4g-m6 2>&1 \
// RUN: | FileCheck %s -check-prefix=c86-4g-m6
// c86-4g-m6: "-target-cpu" "c86-4g-m6"

// RUN: %clang -target x86_64-unknown-unknown -c -### %s -march=c86-4g-m7 2>&1 \
// RUN: | FileCheck %s -check-prefix=c86-4g-m7
// c86-4g-m7: "-target-cpu" "c86-4g-m7"

// RUN: %clang -target x86_64 -c -### %s -march=x86-64 2>&1 | FileCheck %s --check-prefix=x86-64
// x86-64: "-target-cpu" "x86-64"
// RUN: %clang -target x86_64 -c -### %s -march=x86-64-v2 2>&1 | FileCheck %s --check-prefix=x86-64-v2
Expand Down
3 changes: 3 additions & 0 deletions clang/test/Frontend/x86-target-cpu.c
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Expand Up @@ -40,5 +40,8 @@
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -target-cpu znver4 -verify %s
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -target-cpu znver5 -verify %s
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -target-cpu znver6 -verify %s
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -target-cpu c86-4g-m4 -verify %s
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -target-cpu c86-4g-m6 -verify %s
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -target-cpu c86-4g-m7 -verify %s
//
// expected-no-diagnostics
12 changes: 12 additions & 0 deletions clang/test/Misc/target-invalid-cpu-note/x86.c
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Expand Up @@ -104,6 +104,9 @@
// X86-SAME: {{^}}, znver4
// X86-SAME: {{^}}, znver5
// X86-SAME: {{^}}, znver6
// X86-SAME: {{^}}, c86-4g-m4
// X86-SAME: {{^}}, c86-4g-m6
// X86-SAME: {{^}}, c86-4g-m7
// X86-SAME: {{^}}, x86-64
// X86-SAME: {{^}}, x86-64-v2
// X86-SAME: {{^}}, x86-64-v3
Expand Down Expand Up @@ -185,6 +188,9 @@
// X86_64-SAME: {{^}}, znver4
// X86_64-SAME: {{^}}, znver5
// X86_64-SAME: {{^}}, znver6
// X86_64-SAME: {{^}}, c86-4g-m4
// X86_64-SAME: {{^}}, c86-4g-m6
// X86_64-SAME: {{^}}, c86-4g-m7
// X86_64-SAME: {{^}}, x86-64
// X86_64-SAME: {{^}}, x86-64-v2
// X86_64-SAME: {{^}}, x86-64-v3
Expand Down Expand Up @@ -293,6 +299,9 @@
// TUNE_X86-SAME: {{^}}, znver4
// TUNE_X86-SAME: {{^}}, znver5
// TUNE_X86-SAME: {{^}}, znver6
// TUNE_X86-SAME: {{^}}, c86-4g-m4
// TUNE_X86-SAME: {{^}}, c86-4g-m6
// TUNE_X86-SAME: {{^}}, c86-4g-m7
// TUNE_X86-SAME: {{^}}, x86-64
// TUNE_X86-SAME: {{^}}, geode
// TUNE_X86-SAME: {{$}}
Expand Down Expand Up @@ -399,6 +408,9 @@
// TUNE_X86_64-SAME: {{^}}, znver4
// TUNE_X86_64-SAME: {{^}}, znver5
// TUNE_X86_64-SAME: {{^}}, znver6
// TUNE_X86_64-SAME: {{^}}, c86-4g-m4
// TUNE_X86_64-SAME: {{^}}, c86-4g-m6
// TUNE_X86_64-SAME: {{^}}, c86-4g-m7
// TUNE_X86_64-SAME: {{^}}, x86-64
// TUNE_X86_64-SAME: {{^}}, geode
// TUNE_X86_64-SAME: {{$}}
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