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[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

llvm-svn: 300571
This commit is contained in:
Manoj Gupta 2017-04-18 17:36:10 +00:00
parent e025ebba63
commit bb75b35811
2 changed files with 33 additions and 0 deletions
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6
clang/lib/Driver/ToolChains/Gnu.cpp
View File

@ -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:

27
clang/test/Driver/linux-as.c
View File

@ -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