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author | David Woodhouse <dwmw2@infradead.org> | 2014-01-22 15:08:49 +0000 |
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committer | David Woodhouse <dwmw2@infradead.org> | 2014-01-22 15:08:49 +0000 |
commit | af588b9f0eb5b113e459918737a855be8782e112 (patch) | |
tree | fc79dc80389ba2bf1b08299346cb88649368db0b | |
parent | 51cd16cbd592d1b8da3888d6a4f9c684ed50a02a (diff) | |
download | llvm-af588b9f0eb5b113e459918737a855be8782e112.tar.gz llvm-af588b9f0eb5b113e459918737a855be8782e112.tar.bz2 llvm-af588b9f0eb5b113e459918737a855be8782e112.tar.xz |
[x86] Allow segment and address-size overrides for OUTS[BWLQ] (PR9385)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199808 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | lib/Target/X86/AsmParser/X86AsmParser.cpp | 20 | ||||
-rw-r--r-- | lib/Target/X86/X86InstrInfo.td | 9 | ||||
-rw-r--r-- | test/MC/X86/index-operations.s | 10 | ||||
-rw-r--r-- | test/MC/X86/x86-16.s | 6 | ||||
-rw-r--r-- | test/MC/X86/x86-32.s | 6 | ||||
-rw-r--r-- | test/MC/X86/x86-64.s | 6 |
6 files changed, 35 insertions, 22 deletions
diff --git a/lib/Target/X86/AsmParser/X86AsmParser.cpp b/lib/Target/X86/AsmParser/X86AsmParser.cpp index d6b2ad418e..a23f5a298a 100644 --- a/lib/Target/X86/AsmParser/X86AsmParser.cpp +++ b/lib/Target/X86/AsmParser/X86AsmParser.cpp @@ -2345,16 +2345,16 @@ ParseInstruction(ParseInstructionInfo &Info, StringRef Name, SMLoc NameLoc, } } - // Transform "outs[bwl] %ds:(%esi), %dx" into "out[bwl]" - if (Name.startswith("outs") && Operands.size() == 3 && - (Name == "outsb" || Name == "outsw" || Name == "outsl")) { - X86Operand &Op = *(X86Operand*)Operands.begin()[1]; - X86Operand &Op2 = *(X86Operand*)Operands.begin()[2]; - if (isSrcOp(Op) && Op2.isReg() && Op2.getReg() == X86::DX) { - Operands.pop_back(); - Operands.pop_back(); - delete &Op; - delete &Op2; + // Append default arguments to "outs[bwld]" + if (Name.startswith("outs") && Operands.size() == 1 && + (Name == "outsb" || Name == "outsw" || Name == "outsl" || + Name == "outsd" )) { + if (isParsingIntelSyntax()) { + Operands.push_back(DefaultMemSIOperand(NameLoc)); + Operands.push_back(X86Operand::CreateReg(X86::DX, NameLoc, NameLoc)); + } else { + Operands.push_back(DefaultMemSIOperand(NameLoc)); + Operands.push_back(X86Operand::CreateReg(X86::DX, NameLoc, NameLoc)); } } diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td index 13c310290a..2885bb54fc 100644 --- a/lib/Target/X86/X86InstrInfo.td +++ b/lib/Target/X86/X86InstrInfo.td @@ -1772,9 +1772,12 @@ def LODSQ : RI<0xAD, RawFrmSrc, (outs), (ins srcidx64:$src), } let SchedRW = [WriteSystem] in { -def OUTSB : I<0x6E, RawFrm, (outs), (ins), "outsb", [], IIC_OUTS>; -def OUTSW : I<0x6F, RawFrm, (outs), (ins), "outsw", [], IIC_OUTS>, OpSize; -def OUTSL : I<0x6F, RawFrm, (outs), (ins), "outs{l|d}", [], IIC_OUTS>, OpSize16; +def OUTSB : I<0x6E, RawFrmSrc, (outs), (ins srcidx8:$src), + "outsb\t{$src, %dx|dx, $src}", [], IIC_OUTS>; +def OUTSW : I<0x6F, RawFrmSrc, (outs), (ins srcidx16:$src), + "outsw\t{$src, %dx|dx, $src}", [], IIC_OUTS>, OpSize; +def OUTSL : I<0x6F, RawFrmSrc, (outs), (ins srcidx32:$src), + "outs{l|d}\t{$src, %dx|dx, $src}", [], IIC_OUTS>, OpSize16; } // Flag instructions diff --git a/test/MC/X86/index-operations.s b/test/MC/X86/index-operations.s index bf6d87fb2b..85bae21eae 100644 --- a/test/MC/X86/index-operations.s +++ b/test/MC/X86/index-operations.s @@ -129,3 +129,13 @@ movsl %gs:(%esi), (%edi) // 64: movsl %gs:(%esi), %es:(%edi) # encoding: [0x65,0x67,0xa5] // 32: movsl %gs:(%esi), %es:(%edi) # encoding: [0x65,0xa5] // 16: movsl %gs:(%esi), %es:(%edi) # encoding: [0x66,0x65,0x67,0xa5] + +outsb +// 64: outsb (%rsi), %dx # encoding: [0x6e] +// 32: outsb (%esi), %dx # encoding: [0x6e] +// 16: outsb (%si), %dx # encoding: [0x6e] + +outsw %fs:(%esi), %dx +// 64: outsw %fs:(%esi), %dx # encoding: [0x66,0x64,0x67,0x6f] +// 32: outsw %fs:(%esi), %dx # encoding: [0x66,0x64,0x6f] +// 16: outsw %fs:(%esi), %dx # encoding: [0x64,0x67,0x6f] diff --git a/test/MC/X86/x86-16.s b/test/MC/X86/x86-16.s index ae700fa771..a147cddb85 100644 --- a/test/MC/X86/x86-16.s +++ b/test/MC/X86/x86-16.s @@ -789,21 +789,21 @@ pshufw $90, %mm4, %mm0 // CHECK: encoding: [0xe0,A] loopnz 0 -// CHECK: outsb # encoding: [0x6e] +// CHECK: outsb (%si), %dx # encoding: [0x6e] // CHECK: outsb // CHECK: outsb outsb outsb %ds:(%si), %dx outsb (%si), %dx -// CHECK: outsw # encoding: [0x6f] +// CHECK: outsw (%si), %dx # encoding: [0x6f] // CHECK: outsw // CHECK: outsw outsw outsw %ds:(%si), %dx outsw (%si), %dx -// CHECK: outsl # encoding: [0x66,0x6f] +// CHECK: outsl (%si), %dx # encoding: [0x66,0x6f] // CHECK: outsl outsl outsl %ds:(%si), %dx diff --git a/test/MC/X86/x86-32.s b/test/MC/X86/x86-32.s index 3d75c6fefa..cb5a36a125 100644 --- a/test/MC/X86/x86-32.s +++ b/test/MC/X86/x86-32.s @@ -865,21 +865,21 @@ pshufw $90, %mm4, %mm0 // CHECK: encoding: [0xe0,A] loopnz 0 -// CHECK: outsb # encoding: [0x6e] +// CHECK: outsb (%esi), %dx # encoding: [0x6e] // CHECK: outsb // CHECK: outsb outsb outsb %ds:(%esi), %dx outsb (%esi), %dx -// CHECK: outsw # encoding: [0x66,0x6f] +// CHECK: outsw (%esi), %dx # encoding: [0x66,0x6f] // CHECK: outsw // CHECK: outsw outsw outsw %ds:(%esi), %dx outsw (%esi), %dx -// CHECK: outsl # encoding: [0x6f] +// CHECK: outsl (%esi), %dx # encoding: [0x6f] // CHECK: outsl outsl outsl %ds:(%esi), %dx diff --git a/test/MC/X86/x86-64.s b/test/MC/X86/x86-64.s index e39cefee84..f676351836 100644 --- a/test/MC/X86/x86-64.s +++ b/test/MC/X86/x86-64.s @@ -1050,21 +1050,21 @@ xsetbv // CHECK: xsetbv # encoding: [0x0f,0x01,0xd1] // CHECK: encoding: [0xe0,A] loopnz 0 -// CHECK: outsb # encoding: [0x6e] +// CHECK: outsb (%rsi), %dx # encoding: [0x6e] // CHECK: outsb // CHECK: outsb outsb outsb %ds:(%rsi), %dx outsb (%rsi), %dx -// CHECK: outsw # encoding: [0x66,0x6f] +// CHECK: outsw (%rsi), %dx # encoding: [0x66,0x6f] // CHECK: outsw // CHECK: outsw outsw outsw %ds:(%rsi), %dx outsw (%rsi), %dx -// CHECK: outsl # encoding: [0x6f] +// CHECK: outsl (%rsi), %dx # encoding: [0x6f] // CHECK: outsl outsl outsl %ds:(%rsi), %dx |