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adds some attributes to attribute section when cpu is "xscale"

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(this is what used in Android NDK, when architecture is ARMv5)

patch by Koan-Sin Tan

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131751 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2011-05-20 20:10:34 +00:00
parent 298c8e12ea
commit b8adb8af0f
2 changed files with 37 additions and 0 deletions
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6
lib/Target/ARM/ARMAsmPrinter.cpp
View File

@ -588,6 +588,12 @@ void ARMAsmPrinter::emitAttributes() {
//
/// ADD additional Else-cases here!
} else if (CPUString == "xscale") {
AttrEmitter->EmitAttribute(ARMBuildAttrs::CPU_arch, ARMBuildAttrs::v5TEJ);
AttrEmitter->EmitAttribute(ARMBuildAttrs::ARM_ISA_use,
ARMBuildAttrs::Allowed);
AttrEmitter->EmitAttribute(ARMBuildAttrs::THUMB_ISA_use,
ARMBuildAttrs::Allowed);
} else if (CPUString == "generic") {
// FIXME: Why these defaults?
AttrEmitter->EmitAttribute(ARMBuildAttrs::CPU_arch, ARMBuildAttrs::v4T);

31
test/MC/ARM/xscale-attributes.ll Normal file
View File

@ -0,0 +1,31 @@
; RUN: llc %s -mtriple=thumbv5-linux-gnueabi -mcpu=xscale -o - | \
; RUN: FileCheck -check-prefix=ASM %s
; RUN: llc %s -mtriple=thumbv5-linux-gnueabi -filetype=obj \
; RUN: -mcpu=xscale -o - | elf-dump --dump-section-data | \
; RUN: FileCheck -check-prefix=OBJ %s
; FIXME: The OBJ test should be a .s to .o test and the ASM test should
; be moved to test/CodeGen/ARM.
define void @foo() nounwind {
entry:
ret void
}
; ASM: .eabi_attribute 6, 5
; ASM-NEXT: .eabi_attribute 8, 1
; ASM-NEXT: .eabi_attribute 9, 1
; OBJ: Section 0x00000004
; OBJ-NEXT: 'sh_name', 0x0000000c
; OBJ-NEXT: 'sh_type', 0x70000003
; OBJ-NEXT: 'sh_flags', 0x00000000
; OBJ-NEXT: 'sh_addr', 0x00000000
; OBJ-NEXT: 'sh_offset', 0x00000038
; OBJ-NEXT: 'sh_size', 0x00000020
; OBJ-NEXT: 'sh_link', 0x00000000
; OBJ-NEXT: 'sh_info', 0x00000000
; OBJ-NEXT: 'sh_addralign', 0x00000001
; OBJ-NEXT: 'sh_entsize', 0x00000000
; OBJ-NEXT: '_section_data', '411f0000 00616561 62690001 15000000 06050801 09011401 15011703 18011901'