From 7217e99fda533e3a439020fa5dfbc23b7b360988 Mon Sep 17 00:00:00 2001
From: Manoj Gupta <manojgupta@google.com>
Date: Tue, 18 Apr 2017 17:36:10 +0000
Subject: [PATCH] [AArch64][clang] Pass cpu/arch information to assembler for
AArch64.
Summary:
Pass Cpu/Arch options to assembler for AArch64 with no-integrated-as.
This fixes PR20019.
Reviewers: richard.barton.arm, kristof.beyls, rengolin
Reviewed By: rengolin
Subscribers: srhines, pirama, aemerson, rengolin, cfe-commits
Differential Revision: https://reviews.llvm.org/D32132
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@300571 91177308-0d34-0410-b5e6-96231b3b80d8
---
lib/Driver/ToolChains/Gnu.cpp | 6 ++++++
test/Driver/linux-as.c | 27 +++++++++++++++++++++++++++
2 files changed, 33 insertions(+)
diff --git a/lib/Driver/ToolChains/Gnu.cpp b/lib/Driver/ToolChains/Gnu.cpp
index 549e24cbd2b..165439538eb 100644
--- a/lib/Driver/ToolChains/Gnu.cpp
+++ b/lib/Driver/ToolChains/Gnu.cpp
@@ -770,6 +770,12 @@ void tools::gnutools::Assembler::ConstructJob(Compilation &C,
Args.AddLastArg(CmdArgs, options::OPT_mfpu_EQ);
break;
}
+ case llvm::Triple::aarch64:
+ case llvm::Triple::aarch64_be: {
+ Args.AddLastArg(CmdArgs, options::OPT_march_EQ);
+ Args.AddLastArg(CmdArgs, options::OPT_mcpu_EQ);
+ break;
+ }
case llvm::Triple::mips:
case llvm::Triple::mipsel:
case llvm::Triple::mips64:
diff --git a/test/Driver/linux-as.c b/test/Driver/linux-as.c
index a07abc17e52..c5cb1cd600b 100644
--- a/test/Driver/linux-as.c
+++ b/test/Driver/linux-as.c
@@ -100,6 +100,33 @@
// RUN: | FileCheck -check-prefix=CHECK-ARM-HARDFP %s
// CHECK-ARM-HARDFP: as{{(.exe)?}}" "-mfloat-abi=hard"
//
+// RUN: %clang -target aarch64-linux-gnu -mcpu=cortex-a53 -### \
+// RUN: -no-integrated-as -c %s 2>&1 \
+// RUN: | FileCheck -check-prefix=CHECK-ARM64-MCPU %s
+// CHECK-ARM64-MCPU: as{{(.exe)?}}" "-mcpu=cortex-a53"
+//
+// RUN: %clang -target aarch64-linux-gnu -march=armv8-a -### \
+// RUN: -no-integrated-as -c %s 2>&1 \
+// RUN: | FileCheck -check-prefix=CHECK-ARM64-MARCH %s
+// CHECK-ARM64-MARCH: as{{(.exe)?}}" "-march=armv8-a"
+//
+// RUN: %clang -target aarch64-linux-gnu -mcpu=cortex-a53 -march=armv8-a -### \
+// RUN: -no-integrated-as -c %s 2>&1 \
+// RUN: | FileCheck -check-prefix=CHECK-ARM64-ALL %s
+// CHECK-ARM64-ALL: as{{(.exe)?}}" "-march=armv8-a" "-mcpu=cortex-a53"
+//
+// RUN: %clang -target aarch64_be-linux-gnu -mcpu=cortex-a53 -### \
+// RUN: -no-integrated-as -c %s 2>&1 \
+// RUN: | FileCheck -check-prefix=CHECK-ARM64-MCPU %s
+//
+// RUN: %clang -target aarch64_be-linux-gnu -march=armv8-a -### \
+// RUN: -no-integrated-as -c %s 2>&1 \
+// RUN: | FileCheck -check-prefix=CHECK-ARM64-MARCH %s
+//
+// RUN: %clang -target aarch64_be-linux-gnu -mcpu=cortex-a53 -march=armv8-a -### \
+// RUN: -no-integrated-as -c %s 2>&1 \
+// RUN: | FileCheck -check-prefix=CHECK-ARM64-ALL %s
+//
// RUN: %clang -target ppc-linux -mcpu=invalid-cpu -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=CHECK-PPC-NO-MCPU %s
--
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