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[AArch64] Use 16 bytes as preferred function alignment on Cortex-A73. 

Summary:
Using 16 byte alignment is beneficial on Cortex-A73, similar to
Cortex-A72 (added in D34961).

Reviewers: mcrosier, t.p.northover, aadg, silviu.baranga

Reviewed By: t.p.northover

Subscribers: aemerson, rengolin, javed.absar, kristof.beyls, llvm-commits

Differential Revision: https://reviews.llvm.org/D35493

llvm-svn: 308283
This commit is contained in:
Florian Hahn 2017-07-18 09:31:18 +00:00
parent 82abefa4b1
commit 3530094de6
2 changed files with 4 additions and 2 deletions
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4
llvm/lib/Target/AArch64/AArch64Subtarget.cpp
View File

@ -134,7 +134,9 @@ void AArch64Subtarget::initializeProperties() {
case CortexA72:
PrefFunctionAlignment = 4;
break;
case CortexA73: break;
case CortexA73:
PrefFunctionAlignment = 4;
break;
case Others: break;
}
}

2
llvm/test/CodeGen/AArch64/preferred-function-alignment.ll
View File

@ -1,7 +1,6 @@
; RUN: llc -mtriple=aarch64-unknown-linux -mcpu=generic < %s | FileCheck --check-prefix=ALIGN2 %s
; RUN: llc -mtriple=aarch64-unknown-linux -mcpu=cortex-a35 < %s | FileCheck --check-prefix=ALIGN2 %s
; RUN: llc -mtriple=aarch64-unknown-linux -mcpu=cortex-a53 < %s | FileCheck --check-prefix=ALIGN2 %s
; RUN: llc -mtriple=aarch64-unknown-linux -mcpu=cortex-a73 < %s | FileCheck --check-prefix=ALIGN2 %s
; RUN: llc -mtriple=aarch64-unknown-linux -mcpu=cyclone < %s | FileCheck --check-prefix=ALIGN2 %s
; RUN: llc -mtriple=aarch64-unknown-linux -mcpu=falkor < %s | FileCheck --check-prefix=ALIGN2 %s
; RUN: llc -mtriple=aarch64-unknown-linux -mcpu=kryo < %s | FileCheck --check-prefix=ALIGN2 %s
@ -12,6 +11,7 @@
; RUN: llc -mtriple=aarch64-unknown-linux -mcpu=thunderx2t99 < %s | FileCheck --check-prefix=ALIGN3 %s
; RUN: llc -mtriple=aarch64-unknown-linux -mcpu=cortex-a57 < %s | FileCheck --check-prefix=ALIGN4 %s
; RUN: llc -mtriple=aarch64-unknown-linux -mcpu=cortex-a72 < %s | FileCheck --check-prefix=ALIGN4 %s
; RUN: llc -mtriple=aarch64-unknown-linux -mcpu=cortex-a73 < %s | FileCheck --check-prefix=ALIGN4 %s
; RUN: llc -mtriple=aarch64-unknown-linux -mcpu=exynos-m1 < %s | FileCheck --check-prefix=ALIGN4 %s
; RUN: llc -mtriple=aarch64-unknown-linux -mcpu=exynos-m2 < %s | FileCheck --check-prefix=ALIGN4 %s
; RUN: llc -mtriple=aarch64-unknown-linux -mcpu=exynos-m3 < %s | FileCheck --check-prefix=ALIGN4 %s