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encode rdtsc correctly

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24435 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-11-20 22:13:18 +00:00
parent 81363c3871
commit 441b223c9b
1 changed files with 7 additions and 4 deletions
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11
lib/Target/X86/X86InstrInfo.td
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@ -167,10 +167,6 @@ class Ii32<bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
def PHI : I<0, Pseudo, (ops variable_ops), "PHINODE">; // PHI node.
def NOOP : I<0x90, RawFrm, (ops), "nop">; // nop
//FIXME: encode this correctly
let Defs = [EAX, EDX] in
def RDTSC : I<0, Pseudo, (ops ), "rdtsc">; //in binary, this inst is 0x0f 0x31
def ADJCALLSTACKDOWN : I<0, Pseudo, (ops i32imm:$amt), "#ADJCALLSTACKDOWN">;
def ADJCALLSTACKUP : I<0, Pseudo, (ops i32imm:$amt1, i32imm:$amt2),
"#ADJCALLSTACKUP">;
@ -1609,6 +1605,13 @@ def CMPSDrm : I<0xC2, MRMSrcMem,
"cmp${cc}sd {$src, $dst|$dst, $src}">, XD;
}
//===----------------------------------------------------------------------===//
// Miscellaneous Instructions
//===----------------------------------------------------------------------===//
def RDTSC : I<0x31, RawFrm, (ops), "rdtsc">, TB, Imp<[],[EAX,EDX]>;
//===----------------------------------------------------------------------===//
// Stack-based Floating point support
//===----------------------------------------------------------------------===//