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Follow the current hack set and enable the correct parsing of bkpt while in thumb mode.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123772 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bruno Cardoso Lopes 2011-01-18 20:55:11 +00:00
parent 435b4d2eba
commit fdcee77887
3 changed files with 15 additions and 3 deletions
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12
lib/Target/ARM/AsmParser/ARMAsmParser.cpp
View File

@ -81,6 +81,8 @@ class ARMAsmParser : public TargetAsmParser {
bool MatchAndEmitInstruction(SMLoc IDLoc,
SmallVectorImpl<MCParsedAsmOperand*> &Operands,
MCStreamer &Out);
void GetMnemonicAcceptInfo(StringRef Mnemonic, bool &CanAcceptCarrySet,
bool &CanAcceptPredicationCode);
/// @name Auto-generated Match Functions
/// {
@ -1169,8 +1171,11 @@ static StringRef SplitMnemonicAndCC(StringRef Mnemonic,
/// inclusion of carry set or predication code operands.
//
// FIXME: It would be nice to autogen this.
static void GetMnemonicAcceptInfo(StringRef Mnemonic, bool &CanAcceptCarrySet,
bool &CanAcceptPredicationCode) {
void ARMAsmParser::
GetMnemonicAcceptInfo(StringRef Mnemonic, bool &CanAcceptCarrySet,
bool &CanAcceptPredicationCode) {
bool isThumb = TM.getSubtarget<ARMSubtarget>().isThumb();
if (Mnemonic == "and" || Mnemonic == "lsl" || Mnemonic == "lsr" ||
Mnemonic == "rrx" || Mnemonic == "ror" || Mnemonic == "sub" ||
Mnemonic == "smull" || Mnemonic == "add" || Mnemonic == "adc" ||
@ -1188,7 +1193,8 @@ static void GetMnemonicAcceptInfo(StringRef Mnemonic, bool &CanAcceptCarrySet,
Mnemonic == "cps" || Mnemonic == "mcr2" || Mnemonic == "it" ||
Mnemonic == "mcrr2" || Mnemonic == "cbz" || Mnemonic == "cdp2" ||
Mnemonic == "trap" || Mnemonic == "mrc2" || Mnemonic == "mrrc2" ||
Mnemonic == "dsb" || Mnemonic == "movs") {
Mnemonic == "dsb" || Mnemonic == "movs" ||
(isThumb && Mnemonic == "bkpt")) {
CanAcceptPredicationCode = false;
} else {
CanAcceptPredicationCode = true;

3
test/MC/ARM/arm_instructions.s
View File

@ -127,3 +127,6 @@
@ CHECK: bfi r0, r0, #5, #7 @ encoding: [0x90,0x02,0xcb,0xe7]
bfi r0, r0, #5, #7
@ CHECK: bkpt #10 @ encoding: [0x7a,0x00,0x20,0xe1]
bkpt #10

3
test/MC/ARM/thumb.s
View File

@ -35,3 +35,6 @@
@ CHECK: ldr r3, [r1, r2] @ encoding: [0x8b,0x58]
ldr r3, [r1, r2]
@ CHECK: bkpt #2 @ encoding: [0x02,0xbe]
bkpt #2