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[JDK-8350672] Adapt JDK-8345125: Aarch64: Add aarch64 backend for Float16 scalar operations #10762

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[JDK-8350672] Adapt JDK-8345125: Aarch64: Add aarch64 backend for Float16 scalar operations #10762

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e0654b5
Adapt JDK-8345125: Aarch64: Add aarch64 backend for Float16 scalar op…
mur47x111 Feb 25, 2025
8fa3533
Update galahad JDK
mur47x111 Feb 25, 2025
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2 changes: 1 addition & 1 deletion common.json
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,7 @@

"COMMENT.jdks": "When adding or removing JDKs keep in sync with JDKs in ci/common.jsonnet",
"jdks": {
"galahad-jdk": {"name": "jpg-jdk", "version": "25", "build_id": "jdk-25+10-1066", "platformspecific": true, "extrabundles": ["static-libs"]},
"galahad-jdk": {"name": "jpg-jdk", "version": "25", "build_id": "2025-02-25-1756029.yudi.zheng.jdk", "platformspecific": true, "extrabundles": ["static-libs"]},

"oraclejdk17": {"name": "jpg-jdk", "version": "17.0.7", "build_id": "jdk-17.0.7+8", "platformspecific": true, "extrabundles": ["static-libs"]},
"labsjdk-ce-17": {"name": "labsjdk", "version": "ce-17.0.7+4-jvmci-23.1-b02", "platformspecific": true },
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10 changes: 9 additions & 1 deletion substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/aarch64/AArch64LibCHelper.java
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@@ -1,5 +1,5 @@
/*
* Copyright (c) 2019, 2020, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2019, 2025, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2019, 2020, Arm Limited. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
Expand Down Expand Up @@ -131,6 +131,14 @@ public interface CPUFeatures extends PointerBase {
@AllowNarrowingCast
@CField
boolean fSVEBITPERM();

@AllowNarrowingCast
@CField
boolean fFPHP();

@AllowNarrowingCast
@CField
boolean fASIMDHP();
}
// Checkstyle: resume
}
4 changes: 3 additions & 1 deletion substratevm/src/com.oracle.svm.native.libchelper/include/aarch64cpufeatures.h
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
/*
* Copyright (c) 2019, 2020, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2019, 2025, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2019, 2020, Arm Limited. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
Expand Down Expand Up @@ -46,4 +46,6 @@ typedef struct {
uint8_t fDMB_ATOMICS;
uint8_t fPACA;
uint8_t fSVEBITPERM;
uint8_t fFPHP;
uint8_t fASIMDHP;
} CPUFeatures;
10 changes: 9 additions & 1 deletion substratevm/src/com.oracle.svm.native.libchelper/src/cpuid.c
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
/*
* Copyright (c) 2014, 2024, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2014, 2025, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
Expand Down Expand Up @@ -728,6 +728,12 @@ void determineCPUFeatures(CPUFeatures* features) {
#ifndef HWCAP_PACA
#define HWCAP_PACA (1L << 30)
#endif
#ifndef HWCAP_FPHP
#define HWCAP_FPHP (1L << 9)
#endif
#ifndef HWCAP_ASIMDHP
#define HWCAP_ASIMDHP (1L << 10)
#endif
#ifndef HWCAP2_SVE2
#define HWCAP2_SVE2 (1L << 1)
#endif
Expand Down Expand Up @@ -765,6 +771,8 @@ void determineCPUFeatures(CPUFeatures* features) {
features->fDMB_ATOMICS = 0;
features->fPACA = !!(auxv & HWCAP_PACA);
features->fSVEBITPERM = !!(auxv2 & HWCAP2_SVEBITPERM);
features->fFPHP = !!(auxv & HWCAP_FPHP);
features->fASIMDHP = !!(auxv & HWCAP_ASIMDHP);

//checking for features signaled in another way

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