//
//===----------------------------------------------------------------------===//
-#ifndef LLVM_SUPPORT_ARM_BUILD_ATTRIBUTES_H
-#define LLVM_SUPPORT_ARM_BUILD_ATTRIBUTES_H
+#ifndef LLVM_SUPPORT_ARMBUILDATTRIBUTES_H
+#define LLVM_SUPPORT_ARMBUILDATTRIBUTES_H
namespace llvm {
class StringRef;
enum AttrType {
// Rest correspond to ELF/.ARM.attributes
File = 1,
- Section = 2,
- Symbol = 3,
CPU_raw_name = 4,
CPU_name = 5,
CPU_arch = 6,
ABI_FP_exceptions = 21,
ABI_FP_user_exceptions = 22,
ABI_FP_number_model = 23,
- ABI_align8_needed = 24,
- ABI_align8_preserved = 25,
+ ABI_align_needed = 24,
+ ABI_align_preserved = 25,
ABI_enum_size = 26,
ABI_HardFP_use = 27,
ABI_VFP_args = 28,
CPU_unaligned_access = 34,
FP_HP_extension = 36,
ABI_FP_16bit_format = 38,
- MPextension_use = 42, // was 70, 2.08 ABI
+ MPextension_use = 42, // recoded from 70 (ABI r2.08)
DIV_use = 44,
- nodefaults = 64,
also_compatible_with = 65,
- T2EE_use = 66,
conformance = 67,
Virtualization_use = 68,
- MPextension_use_old = 70
+
+ /// Legacy Tags
+ Section = 2, // deprecated (ABI r2.09)
+ Symbol = 3, // deprecated (ABI r2.09)
+ ABI_align8_needed = 24, // renamed to ABI_align_needed (ABI r2.09)
+ ABI_align8_preserved = 25, // renamed to ABI_align_preserved (ABI r2.09)
+ nodefaults = 64, // deprecated (ABI r2.09)
+ T2EE_use = 66, // deprecated (ABI r2.09)
+ MPextension_use_old = 70 // recoded to MPextension_use (ABI r2.08)
};
StringRef AttrTypeAsString(unsigned Attr, bool HasTagPrefix = true);
v5TEJ = 5, // e.g. ARM926EJ_S
v6 = 6, // e.g. ARM1136J_S
v6KZ = 7, // e.g. ARM1176JZ_S
- v6T2 = 8, // e.g. ARM1156T2F_S
- v6K = 9, // e.g. ARM1136J_S
+ v6T2 = 8, // e.g. ARM1156T2_S
+ v6K = 9, // e.g. ARM1176JZ_S
v7 = 10, // e.g. Cortex A8, Cortex M3
v6_M = 11, // e.g. Cortex M1
v6S_M = 12, // v6_M with the System extensions
v7E_M = 13, // v7_M with DSP extensions
- v8 = 14 // v8, AArch32
+ v8 = 14, // v8,v8.1a AArch32
};
enum CPUArchProfile { // (=7), uleb128
AllowNeon = 1, // SIMDv1 was permitted
AllowNeon2 = 2, // SIMDv2 was permitted (Half-precision FP, MAC operations)
AllowNeonARMv8 = 3, // ARM v8-A SIMD was permitted
+ AllowNeonARMv8_1a = 4,// ARM v8.1-A SIMD was permitted (RDMA)
+
+ // Tag_ABI_PCS_R9_use, (=14), uleb128
+ R9IsGPR = 0, // R9 used as v6 (just another callee-saved register)
+ R9IsSB = 1, // R9 used as a global static base rgister
+ R9IsTLSPointer = 2, // R9 used as a thread local storage pointer
+ R9Reserved = 3, // R9 not used by code associated with attributed entity
+
+ // Tag_ABI_PCS_RW_data, (=15), uleb128
+ AddressRWPCRel = 1, // Address RW static data PC-relative
+ AddressRWSBRel = 2, // Address RW static data SB-relative
+ AddressRWNone = 3, // No RW static data permitted
+
+ // Tag_ABI_PCS_RO_data, (=14), uleb128
+ AddressROPCRel = 1, // Address RO static data PC-relative
+ AddressRONone = 2, // No RO static data permitted
+
+ // Tag_ABI_PCS_GOT_use, (=17), uleb128
+ AddressDirect = 1, // Address imported data directly
+ AddressGOT = 2, // Address imported data indirectly (via GOT)
+
+ // Tag_ABI_PCS_wchar_t, (=18), uleb128
+ WCharProhibited = 0, // wchar_t is not used
+ WCharWidth2Bytes = 2, // sizeof(wchar_t) == 2
+ WCharWidth4Bytes = 4, // sizeof(wchar_t) == 4
// Tag_ABI_FP_denormal, (=20), uleb128
+ PositiveZero = 0,
+ IEEEDenormals = 1,
PreserveFPSign = 2, // sign when flushed-to-zero is preserved
// Tag_ABI_FP_number_model, (=23), uleb128
AllowRTABI = 2, // numbers, infinities, and one quiet NaN (see [RTABI])
AllowIEE754 = 3, // this code to use all the IEEE 754-defined FP encodings
+ // Tag_ABI_enum_size, (=26), uleb128
+ EnumProhibited = 0, // The user prohibited the use of enums when building
+ // this entity.
+ EnumSmallest = 1, // Enum is smallest container big enough to hold all
+ // values.
+ Enum32Bit = 2, // Enum is at least 32 bits.
+ Enum32BitABI = 3, // Every enumeration visible across an ABI-complying
+ // interface contains a value needing 32 bits to encode
+ // it; other enums can be containerized.
+
// Tag_ABI_HardFP_use, (=27), uleb128
HardFPImplied = 0, // FP use should be implied by Tag_FP_arch
HardFPSinglePrecision = 1, // Single-precision only
// Tag_FP_HP_extension, (=36), uleb128
AllowHPFP = 1, // Allow use of Half Precision FP
+ // Tag_FP_16bit_format, (=38), uleb128
+ FP16FormatIEEE = 1,
+
// Tag_MPextension_use, (=42), uleb128
AllowMP = 1, // Allow use of MP extensions
// Tag_DIV_use, (=44), uleb128
+ // Note: AllowDIVExt must be emitted if and only if the permission to use
+ // hardware divide cannot be conveyed using AllowDIVIfExists or DisallowDIV
AllowDIVIfExists = 0, // Allow hardware divide if available in arch, or no
// info exists.
- DisallowDIV = 1, // Hardware divide explicitly disallowed
+ DisallowDIV = 1, // Hardware divide explicitly disallowed.
AllowDIVExt = 2, // Allow hardware divide as optional architecture
// extension above the base arch specified by
// Tag_CPU_arch and Tag_CPU_arch_profile.
} // namespace ARMBuildAttrs
} // namespace llvm
-#endif // LLVM_SUPPORT_ARM_BUILD_ATTRIBUTES_H
+#endif
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