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Fix so "int3" is correctly accepted, added "into" and fixed "int" with an

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argument, like "int $4", to not get an Assertion error.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103791 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Kevin Enderby 2010-05-14 19:16:02 +00:00
parent 5c6aba2e3a
commit c3ce05c594
2 changed files with 17 additions and 2 deletions
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6
lib/Target/X86/X86InstrInfo.td
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@ -542,8 +542,10 @@ let neverHasSideEffects = 1 in {
}
// Trap
def INT3 : I<0xcc, RawFrm, (outs), (ins), "int\t3", []>;
def INT : I<0xcd, RawFrm, (outs), (ins i8imm:$trap), "int\t$trap", []>;
def INTO : I<0xce, RawFrm, (outs), (ins), "into", []>;
def INT3 : I<0xcc, RawFrm, (outs), (ins), "int3", []>;
// FIXME: need to make sure that "int $3" matches int3
def INT : Ii8<0xcd, RawFrm, (outs), (ins i8imm:$trap), "int\t$trap", []>;
def IRET16 : I<0xcf, RawFrm, (outs), (ins), "iret{w}", []>, OpSize;
def IRET32 : I<0xcf, RawFrm, (outs), (ins), "iret{l}", []>;

13
test/MC/AsmParser/X86/x86_32-new-encoder.s
View File

@ -56,3 +56,16 @@ movb 0, %al // CHECK: movb 0, %al # encoding: [0xa0,A,A,A,A]
movw 0, %ax // CHECK: movw 0, %ax # encoding: [0x66,0xa1,A,A,A,A]
movl 0, %eax // CHECK: movl 0, %eax # encoding: [0xa1,A,A,A,A]
// rdar://7973775
into
// CHECK: into
// CHECK: encoding: [0xce]
int3
// CHECK: int3
// CHECK: encoding: [0xcc]
int $4
// CHECK: int $4
// CHECK: encoding: [0xcd,0x04]
int $255
// CHECK: int $255
// CHECK: encoding: [0xcd,0xff]