diff options
Diffstat (limited to 'lib/Target/X86/X86InstrInfo.td')
| -rw-r--r-- | lib/Target/X86/X86InstrInfo.td | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td index 6a25312..03fbc08 100644 --- a/lib/Target/X86/X86InstrInfo.td +++ b/lib/Target/X86/X86InstrInfo.td @@ -63,6 +63,8 @@ def SDTX86SetCC_C : SDTypeProfile<1, 2, [SDTCisInt<0>, SDTCisVT<1, i8>, SDTCisVT<2, i32>]>; +def SDTX86sahf : SDTypeProfile<1, 1, [SDTCisVT<0, i32>, SDTCisVT<1, i8>]>; + def SDTX86cas : SDTypeProfile<0, 3, [SDTCisPtrTy<0>, SDTCisInt<1>, SDTCisVT<2, i8>]>; def SDTX86caspair : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>; @@ -131,6 +133,8 @@ def X86brcond : SDNode<"X86ISD::BRCOND", SDTX86BrCond, def X86setcc : SDNode<"X86ISD::SETCC", SDTX86SetCC>; def X86setcc_c : SDNode<"X86ISD::SETCC_CARRY", SDTX86SetCC_C>; +def X86sahf : SDNode<"X86ISD::SAHF", SDTX86sahf>; + def X86cas : SDNode<"X86ISD::LCMPXCHG_DAG", SDTX86cas, [SDNPHasChain, SDNPInGlue, SDNPOutGlue, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>; @@ -1016,8 +1020,9 @@ def MOV8rm_NOREX : I<0x8A, MRMSrcMem, // Condition code ops, incl. set if equal/not equal/... -let Defs = [EFLAGS], Uses = [AH], neverHasSideEffects = 1 in -def SAHF : I<0x9E, RawFrm, (outs), (ins), "sahf", []>; // flags = AH +let Defs = [EFLAGS], Uses = [AH] in +def SAHF : I<0x9E, RawFrm, (outs), (ins), "sahf", + [(set EFLAGS, (X86sahf AH))]>; let Defs = [AH], Uses = [EFLAGS], neverHasSideEffects = 1 in def LAHF : I<0x9F, RawFrm, (outs), (ins), "lahf", []>; // AH = flags @@ -1774,9 +1779,9 @@ def : InstAlias<"fdivp %st(0), $op", (DIVR_FPrST0 RST:$op)>; def : InstAlias<"fdivrp %st(0), $op", (DIV_FPrST0 RST:$op)>; // We accept "fnstsw %eax" even though it only writes %ax. -def : InstAlias<"fnstsw %eax", (FNSTSW8r)>; -def : InstAlias<"fnstsw %al" , (FNSTSW8r)>; -def : InstAlias<"fnstsw" , (FNSTSW8r)>; +def : InstAlias<"fnstsw %eax", (FNSTSW16r)>; +def : InstAlias<"fnstsw %al" , (FNSTSW16r)>; +def : InstAlias<"fnstsw" , (FNSTSW16r)>; // lcall and ljmp aliases. This seems to be an odd mapping in 64-bit mode, but // this is compatible with what GAS does. |