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[ARMv8] Emit the proper .fpu directive.

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Patch by Bradley Smith!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190683 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Joey Gouly 2013-09-13 11:51:52 +00:00
parent 2c9d79beee
commit 8312905790
2 changed files with 13 additions and 3 deletions
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9
lib/Target/ARM/ARMAsmPrinter.cpp
View File

@ -807,8 +807,11 @@ void ARMAsmPrinter::emitAttributes() {
if (Subtarget->hasNEON() && emitFPU) {
/* NEON is not exactly a VFP architecture, but GAS emit one of
* neon/neon-vfpv4/vfpv3/vfpv2 for .fpu parameters */
if (Subtarget->hasVFP4())
* neon/neon-fp-armv8/neon-vfpv4/vfpv3/vfpv2 for .fpu parameters */
if (Subtarget->hasV8FP())
AttrEmitter->EmitTextAttribute(ARMBuildAttrs::Advanced_SIMD_arch,
"neon-fp-armv8");
else if (Subtarget->hasVFP4())
AttrEmitter->EmitTextAttribute(ARMBuildAttrs::Advanced_SIMD_arch,
"neon-vfpv4");
else
@ -823,7 +826,7 @@ void ARMAsmPrinter::emitAttributes() {
AttrEmitter->EmitAttribute(ARMBuildAttrs::VFP_arch,
ARMBuildAttrs::AllowV8FPA);
if (emitFPU)
AttrEmitter->EmitTextAttribute(ARMBuildAttrs::VFP_arch, "v8fp");
AttrEmitter->EmitTextAttribute(ARMBuildAttrs::VFP_arch, "fp-armv8");
/* VFPv4 + .fpu */
} else if (Subtarget->hasVFP4()) {
AttrEmitter->EmitAttribute(ARMBuildAttrs::VFP_arch,

7
test/CodeGen/ARM/2010-09-29-mc-asm-header-test.ll
View File

@ -3,6 +3,7 @@
; RUN: llc < %s -mtriple=thumbv8-linux-gnueabi | FileCheck %s --check-prefix=Vt8
; RUN: llc < %s -mtriple=armv8-linux-gnueabi -mattr=+v8fp | FileCheck %s --check-prefix=V8-V8FP
; RUN: llc < %s -mtriple=armv8-linux-gnueabi -mattr=+neon | FileCheck %s --check-prefix=V8-NEON
; RUN: llc < %s -mtriple=armv8-linux-gnueabi -mattr=+v8fp -mattr=+neon | FileCheck %s --check-prefix=V8-V8FP-NEON
; This tests that MC/asm header conversion is smooth
;
; V7: .syntax unified
@ -22,11 +23,17 @@
; V8-V8FP: .syntax unified
; V8-V8FP: .eabi_attribute 6, 14
; V8-V8FP: .eabi_attribute 10, 7
; V8-V8FP: .fpu fp-armv8
; V8-NEON: .syntax unified
; V8-NEON: .eabi_attribute 6, 14
; V8-NEON: .eabi_attribute 12, 3
; V8-V8FP-NEON: .syntax unified
; V8-V8FP-NEON: .eabi_attribute 6, 14
; V8-V8FP-NEON: .fpu neon-fp-armv8
; V8-V8FP-NEON: .eabi_attribute 10, 7
define i32 @f(i64 %z) {
ret i32 0
}