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ARM: update build attributes for ABI r2.09

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Update names for the names as per the current ABI errata.  Mark deprecated tags
as such.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199576 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Saleem Abdulrasool 2014-01-19 08:25:35 +00:00
parent 467aa258ae
commit 70c092f3ec
5 changed files with 28 additions and 17 deletions
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20
include/llvm/Support/ARMBuildAttributes.h
View File

@ -33,8 +33,6 @@ enum SpecialAttr {
enum AttrType {
// Rest correspond to ELF/.ARM.attributes
File = 1,
Section = 2,
Symbol = 3,
CPU_raw_name = 4,
CPU_name = 5,
CPU_arch = 6,
@ -55,8 +53,8 @@ enum AttrType {
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,
@ -67,14 +65,20 @@ enum AttrType {
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);

8
lib/Support/ARMBuildAttrs.cpp
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@ -40,8 +40,8 @@ const struct {
{ ARMBuildAttrs::ABI_FP_exceptions, "Tag_ABI_FP_exceptions" },
{ ARMBuildAttrs::ABI_FP_user_exceptions, "Tag_ABI_FP_user_exceptions" },
{ ARMBuildAttrs::ABI_FP_number_model, "Tag_ABI_FP_number_model" },
{ ARMBuildAttrs::ABI_align8_needed, "Tag_ABI_align8_needed" },
{ ARMBuildAttrs::ABI_align8_preserved, "Tag_ABI_align8_preserved" },
{ ARMBuildAttrs::ABI_align_needed, "Tag_ABI_align_needed" },
{ ARMBuildAttrs::ABI_align_preserved, "Tag_ABI_align_preserved" },
{ ARMBuildAttrs::ABI_enum_size, "Tag_ABI_enum_size" },
{ ARMBuildAttrs::ABI_HardFP_use, "Tag_ABI_HardFP_use" },
{ ARMBuildAttrs::ABI_VFP_args, "Tag_ABI_VFP_args" },
@ -62,9 +62,9 @@ const struct {
// Legacy Names
{ ARMBuildAttrs::FP_arch, "Tag_VFP_arch" },
{ ARMBuildAttrs::ABI_align8_needed, "Tag_ABI_align_needed" },
{ ARMBuildAttrs::ABI_align8_preserved, "Tag_ABI_align_preserved" },
{ ARMBuildAttrs::FP_HP_extension, "Tag_VFP_HP_extension" },
{ ARMBuildAttrs::ABI_align_needed, "Tag_ABI_align8_needed" },
{ ARMBuildAttrs::ABI_align_preserved, "Tag_ABI_align8_preserved" },
};
}

4
lib/Target/ARM/ARMAsmPrinter.cpp
View File

@ -699,8 +699,8 @@ void ARMAsmPrinter::emitAttributes() {
// FIXME: add more flags to ARMBuildAttributes.h
// 8-bytes alignment stuff.
ATS.emitAttribute(ARMBuildAttrs::ABI_align8_needed, 1);
ATS.emitAttribute(ARMBuildAttrs::ABI_align8_preserved, 1);
ATS.emitAttribute(ARMBuildAttrs::ABI_align_needed, 1);
ATS.emitAttribute(ARMBuildAttrs::ABI_align_preserved, 1);
// ABI_HardFP_use attribute to indicate single precision FP.
if (Subtarget->isFPOnlySP())

2
test/CodeGen/ARM/build-attributes.ll
View File

@ -170,7 +170,7 @@
; CORTEX-A7-NOFPU: .eabi_attribute 24, 1
; CORTEX-A7-FPUV4: .eabi_attribute 24, 1
; Tag_ABI_align8_preserved
; Tag_ABI_align_preserved
; CORTEX-A7-CHECK: .eabi_attribute 25, 1
; CORTEX-A7-NOFPU: .eabi_attribute 25, 1
; CORTEX-A7-FPUV4: .eabi_attribute 25, 1

11
test/MC/ARM/directive-eabi_attribute-2.s
View File

@ -43,9 +43,9 @@
@ CHECK: .eabi_attribute 22, 1
.eabi_attribute Tag_ABI_FP_number_model, 3
@ CHECK: .eabi_attribute 23, 3
.eabi_attribute Tag_ABI_align8_needed, 1
.eabi_attribute Tag_ABI_align_needed, 1
@ CHECK: .eabi_attribute 24, 1
.eabi_attribute Tag_ABI_align8_preserved, 2
.eabi_attribute Tag_ABI_align_preserved, 2
@ CHECK: .eabi_attribute 25, 2
.eabi_attribute Tag_ABI_enum_size, 3
@ CHECK: .eabi_attribute 26, 3
@ -82,6 +82,13 @@
.eabi_attribute Tag_Virtualization_use, 0
@ CHECK: .eabi_attribute 68, 0
@ ===--- Compatibility Checks ---===
.eabi_attribute Tag_ABI_align8_needed, 1
@ CHECK: .eabi_attribute 24, 1
.eabi_attribute Tag_ABI_align8_preserved, 2
@ CHECK: .eabi_attribute 25, 2
@ ===--- GNU AS Compatibility Checks ---===
.eabi_attribute 2 * 2 + 1, "cortex-a9"