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Added the rdtscp instruction to the x86 instruction

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tables.

llvm-svn: 96073
This commit is contained in:
Sean Callanan 2010-02-13 02:06:11 +00:00
parent 0a65533a38
commit 0bc10793b0
3 changed files with 6 additions and 2 deletions
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2
lib/Target/X86/X86InstrFormats.td
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@ -38,7 +38,7 @@ def MRM_C9 : Format<38>;
def MRM_E8 : Format<39>;
def MRM_F0 : Format<40>;
def MRM_F8 : Format<41>;
def MRM_F9 : Format<42>;
// ImmType - This specifies the immediate type used by an instruction. This is
// part of the ad-hoc solution used to emit machine instruction encodings by our

3
lib/Target/X86/X86InstrInfo.td
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@ -904,6 +904,9 @@ let Defs = [RAX, RDX] in
def RDTSC : I<0x31, RawFrm, (outs), (ins), "rdtsc", [(X86rdtsc)]>,
TB;
let Defs = [RAX, RCX, RDX] in
def RDTSCP : I<0x01, MRM_F9, (outs), (ins), "rdtscp", []>, TB;
let isBarrier = 1, hasCtrlDep = 1 in {
def TRAP : I<0x0B, RawFrm, (outs), (ins), "ud2", [(trap)]>, TB;
}

3
utils/TableGen/X86RecognizableInstr.cpp
View File

@ -33,7 +33,8 @@ using namespace llvm;
MAP(C9, 38) \
MAP(E8, 39) \
MAP(F0, 40) \
MAP(F8, 41)
MAP(F8, 41) \
MAP(F9, 42)
// A clone of X86 since we can't depend on something that is generated.
namespace X86Local {