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[AArch64] Add native CPU detection for Neoverse N1

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Map the CPU ID value 0xd0c to "neoverse-n1".

Patch by James Greenhalgh.

Differential Revision: https://reviews.llvm.org/D80736
This commit is contained in:
Sjoerd Meijer 2020-05-28 19:49:12 +01:00
parent 6c824c81a9
commit 5ecf85a5fc
2 changed files with 5 additions and 0 deletions
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1
llvm/lib/Support/Host.cpp
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@ -204,6 +204,7 @@ StringRef sys::detail::getHostCPUNameForARM(StringRef ProcCpuinfoContent) {
.Case("0xd09", "cortex-a73")
.Case("0xd0a", "cortex-a75")
.Case("0xd0b", "cortex-a76")
.Case("0xd0c", "neoverse-n1")
.Default("generic");
}

4
llvm/unittests/Support/Host.cpp
View File

@ -100,6 +100,10 @@ TEST(getLinuxHostCPUName, AArch64) {
EXPECT_EQ(sys::detail::getHostCPUNameForARM("CPU implementer : 0x41\n"
"CPU part : 0xd03"),
"cortex-a53");
EXPECT_EQ(sys::detail::getHostCPUNameForARM("CPU implementer : 0x41\n"
"CPU part : 0xd0c"),
"neoverse-n1");
// Verify that both CPU implementer and CPU part are checked:
EXPECT_EQ(sys::detail::getHostCPUNameForARM("CPU implementer : 0x40\n"
"CPU part : 0xd03"),