[ARM][AArch64] Cortex-A75 and Cortex-A55 support
This patch introduces support for Cortex-A75 and Cortex-A55, Arm's
latest big.LITTLE A-class cores. They implement the ARMv8.2-A
architecture, including the cryptography and RAS extensions, plus
the optional dot product extension. They also implement the RCpc
AArch64 extension from ARMv8.3-A.
Cortex-A75:
https://developer.arm.com/products/processors/cortex-a/cortex-a75
Cortex-A55:
https://developer.arm.com/products/processors/cortex-a/cortex-a55
Differential Revision: https://reviews.llvm.org/D36667
llvm-svn: 311316
diff --git a/llvm/unittests/Support/TargetParserTest.cpp b/llvm/unittests/Support/TargetParserTest.cpp
index 440b1ad..2a9b576 100644
--- a/llvm/unittests/Support/TargetParserTest.cpp
+++ b/llvm/unittests/Support/TargetParserTest.cpp
@@ -218,6 +218,12 @@
ARM::AEK_VIRT | ARM::AEK_HWDIVARM |
ARM::AEK_HWDIVTHUMB | ARM::AEK_DSP,
"8-A"));
+ EXPECT_TRUE(testARMCPU("cortex-a55", "armv8.2-a", "crypto-neon-fp-armv8",
+ ARM::AEK_CRC | ARM::AEK_SEC | ARM::AEK_MP |
+ ARM::AEK_VIRT | ARM::AEK_HWDIVARM |
+ ARM::AEK_HWDIVTHUMB | ARM::AEK_DSP | ARM::AEK_FP16 |
+ ARM::AEK_RAS | ARM::AEK_DOTPROD,
+ "8.2-A"));
EXPECT_TRUE(testARMCPU("cortex-a57", "armv8-a", "crypto-neon-fp-armv8",
ARM::AEK_CRC | ARM::AEK_SEC | ARM::AEK_MP |
ARM::AEK_VIRT | ARM::AEK_HWDIVARM |
@@ -233,6 +239,12 @@
ARM::AEK_VIRT | ARM::AEK_HWDIVARM |
ARM::AEK_HWDIVTHUMB | ARM::AEK_DSP,
"8-A"));
+ EXPECT_TRUE(testARMCPU("cortex-a75", "armv8.2-a", "crypto-neon-fp-armv8",
+ ARM::AEK_CRC | ARM::AEK_SEC | ARM::AEK_MP |
+ ARM::AEK_VIRT | ARM::AEK_HWDIVARM |
+ ARM::AEK_HWDIVTHUMB | ARM::AEK_DSP | ARM::AEK_FP16 |
+ ARM::AEK_RAS | ARM::AEK_DOTPROD,
+ "8.2-A"));
EXPECT_TRUE(testARMCPU("cyclone", "armv8-a", "crypto-neon-fp-armv8",
ARM::AEK_CRC | ARM::AEK_SEC | ARM::AEK_MP |
ARM::AEK_VIRT | ARM::AEK_HWDIVARM |
@@ -515,6 +527,7 @@
{"virt", "novirt", nullptr, nullptr},
{"fp16", "nofp16", "+fullfp16", "-fullfp16"},
{"ras", "noras", "+ras", "-ras"},
+ {"dotprod", "nodotprod", "+dotprod", "-dotprod"},
{"os", "noos", nullptr, nullptr},
{"iwmmxt", "noiwmmxt", nullptr, nullptr},
{"iwmmxt2", "noiwmmxt2", nullptr, nullptr},
@@ -651,6 +664,12 @@
AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_FP |
AArch64::AEK_SIMD, "8-A"));
EXPECT_TRUE(testAArch64CPU(
+ "cortex-a55", "armv8.2-a", "crypto-neon-fp-armv8",
+ AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_FP |
+ AArch64::AEK_SIMD | AArch64::AEK_RAS | AArch64::AEK_LSE |
+ AArch64::AEK_FP16 | AArch64::AEK_DOTPROD | AArch64::AEK_RCPC,
+ "8.2-A"));
+ EXPECT_TRUE(testAArch64CPU(
"cortex-a57", "armv8-a", "crypto-neon-fp-armv8",
AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_FP |
AArch64::AEK_SIMD, "8-A"));
@@ -663,6 +682,12 @@
AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_FP |
AArch64::AEK_SIMD, "8-A"));
EXPECT_TRUE(testAArch64CPU(
+ "cortex-a75", "armv8.2-a", "crypto-neon-fp-armv8",
+ AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_FP |
+ AArch64::AEK_SIMD | AArch64::AEK_RAS | AArch64::AEK_LSE |
+ AArch64::AEK_FP16 | AArch64::AEK_DOTPROD | AArch64::AEK_RCPC,
+ "8.2-A"));
+ EXPECT_TRUE(testAArch64CPU(
"cyclone", "armv8-a", "crypto-neon-fp-armv8",
AArch64::AEK_CRYPTO | AArch64::AEK_FP | AArch64::AEK_SIMD, "8-A"));
EXPECT_TRUE(testAArch64CPU(
@@ -740,12 +765,16 @@
AArch64::ArchKind::INVALID, "ras"));
EXPECT_FALSE(testAArch64Extension("cortex-a53",
AArch64::ArchKind::INVALID, "ras"));
+ EXPECT_TRUE(testAArch64Extension("cortex-a55",
+ AArch64::ArchKind::INVALID, "ras"));
EXPECT_FALSE(testAArch64Extension("cortex-a57",
AArch64::ArchKind::INVALID, "ras"));
EXPECT_FALSE(testAArch64Extension("cortex-a72",
AArch64::ArchKind::INVALID, "ras"));
EXPECT_FALSE(testAArch64Extension("cortex-a73",
AArch64::ArchKind::INVALID, "ras"));
+ EXPECT_TRUE(testAArch64Extension("cortex-a75",
+ AArch64::ArchKind::INVALID, "ras"));
EXPECT_FALSE(testAArch64Extension("cyclone",
AArch64::ArchKind::INVALID, "ras"));
EXPECT_FALSE(testAArch64Extension("exynos-m1",
@@ -776,7 +805,8 @@
unsigned Extensions = AArch64::AEK_CRC | AArch64::AEK_CRYPTO |
AArch64::AEK_FP | AArch64::AEK_SIMD |
AArch64::AEK_FP16 | AArch64::AEK_PROFILE |
- AArch64::AEK_RAS | AArch64::AEK_SVE;
+ AArch64::AEK_RAS | AArch64::AEK_SVE |
+ AArch64::AEK_DOTPROD | AArch64::AEK_RCPC;
for (unsigned i = 0; i <= Extensions; i++)
EXPECT_TRUE(i == 0 ? !AArch64::getExtensionFeatures(i, Features)
@@ -805,7 +835,9 @@
{"fp16", "nofp16", "+fullfp16", "-fullfp16"},
{"profile", "noprofile", "+spe", "-spe"},
{"ras", "noras", "+ras", "-ras"},
- {"sve", "nosve", "+sve", "-sve"}};
+ {"sve", "nosve", "+sve", "-sve"},
+ {"dotprod", "nodotprod", "+dotprod", "-dotprod"},
+ {"rcpc", "norcpc", "+rcpc", "-rcpc" }};
for (unsigned i = 0; i < array_lengthof(ArchExt); i++) {
EXPECT_EQ(StringRef(ArchExt[i][2]),