diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86InstrInfo.td')
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrInfo.td | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/llvm/lib/Target/X86/X86InstrInfo.td b/llvm/lib/Target/X86/X86InstrInfo.td index 7bdf2bd41b1..2ccaf6aaed2 100644 --- a/llvm/lib/Target/X86/X86InstrInfo.td +++ b/llvm/lib/Target/X86/X86InstrInfo.td @@ -859,6 +859,7 @@ def HasRDSEED : Predicate<"Subtarget->hasRDSEED()">; def HasPrefetchW : Predicate<"Subtarget->hasPRFCHW()">; def HasLAHFSAHF : Predicate<"Subtarget->hasLAHFSAHF()">; def HasMWAITX : Predicate<"Subtarget->hasMWAITX()">; +def HasCLZERO : Predicate<"Subtarget->hasCLZERO()">; def FPStackf32 : Predicate<"!Subtarget->hasSSE1()">; def FPStackf64 : Predicate<"!Subtarget->hasSSE2()">; def HasMPX : Predicate<"Subtarget->hasMPX()">; @@ -2456,8 +2457,19 @@ def : InstAlias<"monitorx\t{%rax, %rcx, %rdx|rdx, rcx, rax}", (MONITORXrrr)>, //===----------------------------------------------------------------------===// // CLZERO Instruction // -let Uses = [EAX] in -def CLZEROr : I<0x01, MRM_FC, (outs), (ins), "clzero", []>, TB; +let SchedRW = [WriteSystem] in { + let Uses = [EAX] in + def CLZEROr : I<0x01, MRM_FC, (outs), (ins), "clzero", [], IIC_SSE_CLZERO>, + TB, Requires<[HasCLZERO]>; + + let usesCustomInserter = 1 in { + def CLZERO : PseudoI<(outs), (ins i32mem:$src1), + [(int_x86_clzero addr:$src1)]>, Requires<[HasCLZERO]>; + } +} // SchedRW + +def : InstAlias<"clzero\t{%eax|eax}", (CLZEROr)>, Requires<[Not64BitMode]>; +def : InstAlias<"clzero\t{%rax|rax}", (CLZEROr)>, Requires<[In64BitMode]>; //===----------------------------------------------------------------------===// // Pattern fragments to auto generate TBM instructions. |
