From 87b7b2f3a0fc9044495fbb67faa50eb0f3fc5ade Mon Sep 17 00:00:00 2001 From: Roman Divacky Date: Fri, 2 Oct 2015 18:25:25 +0000 Subject: [PATCH] Actually switch the arch when we see .arch. PR21695 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249165 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/ARM/AsmParser/ARMAsmParser.cpp | 5 +++++ test/MC/ARM/directive-arch-semantic-action.s | 12 ++++++++++++ 2 files changed, 17 insertions(+) create mode 100644 test/MC/ARM/directive-arch-semantic-action.s diff --git a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp index 68188b13137..b0bde037b91 100644 --- a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp +++ b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp @@ -15,6 +15,7 @@ #include "llvm/ADT/SmallVector.h" #include "llvm/ADT/StringExtras.h" #include "llvm/ADT/StringSwitch.h" +#include "llvm/ADT/Triple.h" #include "llvm/ADT/Twine.h" #include "llvm/MC/MCAsmInfo.h" #include "llvm/MC/MCAssembler.h" @@ -9023,6 +9024,10 @@ bool ARMAsmParser::parseDirectiveArch(SMLoc L) { return false; } + Triple T; + STI.setDefaultFeatures(T.getARMCPUForArch(Arch)); + setAvailableFeatures(ComputeAvailableFeatures(STI.getFeatureBits())); + getTargetStreamer().emitArch(ID); return false; } diff --git a/test/MC/ARM/directive-arch-semantic-action.s b/test/MC/ARM/directive-arch-semantic-action.s new file mode 100644 index 00000000000..2d64026e041 --- /dev/null +++ b/test/MC/ARM/directive-arch-semantic-action.s @@ -0,0 +1,12 @@ +@ RUN: not llvm-mc -triple arm-gnueabi-linux -filetype asm %s 2>&1 | FileCheck %s + + .arch armv6 + dsb +@ CHECK: error: instruction requires: data-barriers + + .arch armv7 + dsb +@ CHECK-NOT: error: instruction requires: data-barriers + + .arch invalid_architecture_name +@ CHECK: error: Unknown arch name -- 2.11.0