diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrInfo.td | 36 |
1 files changed, 22 insertions, 14 deletions
diff --git a/llvm/lib/Target/X86/X86InstrInfo.td b/llvm/lib/Target/X86/X86InstrInfo.td index d1a5fc63554..4181ea9c624 100644 --- a/llvm/lib/Target/X86/X86InstrInfo.td +++ b/llvm/lib/Target/X86/X86InstrInfo.td @@ -1192,9 +1192,9 @@ def POP16r : I<0x58, AddRegFrm, (outs GR16:$reg), (ins), "pop{w}\t$reg", []>, def POP32r : I<0x58, AddRegFrm, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>, OpSize32, Requires<[Not64BitMode]>; def POP16rmr: I<0x8F, MRM0r, (outs GR16:$reg), (ins), "pop{w}\t$reg", []>, - OpSize16; + OpSize16, NotMemoryFoldable; def POP32rmr: I<0x8F, MRM0r, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>, - OpSize32, Requires<[Not64BitMode]>; + OpSize32, Requires<[Not64BitMode]>, NotMemoryFoldable; } // mayLoad, SchedRW let mayStore = 1, mayLoad = 1, SchedRW = [WriteRMW] in { def POP16rmm: I<0x8F, MRM0m, (outs), (ins i16mem:$dst), "pop{w}\t$dst", []>, @@ -1209,9 +1209,9 @@ def PUSH16r : I<0x50, AddRegFrm, (outs), (ins GR16:$reg), "push{w}\t$reg",[]>, def PUSH32r : I<0x50, AddRegFrm, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>, OpSize32, Requires<[Not64BitMode]>; def PUSH16rmr: I<0xFF, MRM6r, (outs), (ins GR16:$reg), "push{w}\t$reg",[]>, - OpSize16; + OpSize16, NotMemoryFoldable; def PUSH32rmr: I<0xFF, MRM6r, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>, - OpSize32, Requires<[Not64BitMode]>; + OpSize32, Requires<[Not64BitMode]>, NotMemoryFoldable; def PUSH16i8 : Ii8<0x6a, RawFrm, (outs), (ins i16i8imm:$imm), "push{w}\t$imm", []>, OpSize16; @@ -1280,7 +1280,7 @@ let mayLoad = 1, SchedRW = [WriteLoad] in { def POP64r : I<0x58, AddRegFrm, (outs GR64:$reg), (ins), "pop{q}\t$reg", []>, OpSize32, Requires<[In64BitMode]>; def POP64rmr: I<0x8F, MRM0r, (outs GR64:$reg), (ins), "pop{q}\t$reg", []>, - OpSize32, Requires<[In64BitMode]>; + OpSize32, Requires<[In64BitMode]>, NotMemoryFoldable; } // mayLoad, SchedRW let mayLoad = 1, mayStore = 1, SchedRW = [WriteRMW] in def POP64rmm: I<0x8F, MRM0m, (outs), (ins i64mem:$dst), "pop{q}\t$dst", []>, @@ -1289,7 +1289,7 @@ let mayStore = 1, SchedRW = [WriteStore] in { def PUSH64r : I<0x50, AddRegFrm, (outs), (ins GR64:$reg), "push{q}\t$reg", []>, OpSize32, Requires<[In64BitMode]>; def PUSH64rmr: I<0xFF, MRM6r, (outs), (ins GR64:$reg), "push{q}\t$reg", []>, - OpSize32, Requires<[In64BitMode]>; + OpSize32, Requires<[In64BitMode]>, NotMemoryFoldable; } // mayStore, SchedRW let mayLoad = 1, mayStore = 1, SchedRW = [WriteRMW] in { def PUSH64rmm: I<0xFF, MRM6m, (outs), (ins i64mem:$src), "push{q}\t$src", []>, @@ -2022,32 +2022,40 @@ def XADD64rm : RI<0xC1, MRMSrcMem, (outs GR64:$dst), let SchedRW = [WriteALU], hasSideEffects = 0 in { let Defs = [AL, EFLAGS], Uses = [AL] in def CMPXCHG8rr : I<0xB0, MRMDestReg, (outs GR8:$dst), (ins GR8:$src), - "cmpxchg{b}\t{$src, $dst|$dst, $src}", []>, TB; + "cmpxchg{b}\t{$src, $dst|$dst, $src}", []>, TB, + NotMemoryFoldable; let Defs = [AX, EFLAGS], Uses = [AX] in def CMPXCHG16rr : I<0xB1, MRMDestReg, (outs GR16:$dst), (ins GR16:$src), - "cmpxchg{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize16; + "cmpxchg{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize16, + NotMemoryFoldable; let Defs = [EAX, EFLAGS], Uses = [EAX] in def CMPXCHG32rr : I<0xB1, MRMDestReg, (outs GR32:$dst), (ins GR32:$src), - "cmpxchg{l}\t{$src, $dst|$dst, $src}", []>, TB, OpSize32; + "cmpxchg{l}\t{$src, $dst|$dst, $src}", []>, TB, OpSize32, + NotMemoryFoldable; let Defs = [RAX, EFLAGS], Uses = [RAX] in def CMPXCHG64rr : RI<0xB1, MRMDestReg, (outs GR64:$dst), (ins GR64:$src), - "cmpxchg{q}\t{$src, $dst|$dst, $src}", []>, TB; + "cmpxchg{q}\t{$src, $dst|$dst, $src}", []>, TB, + NotMemoryFoldable; } // SchedRW, hasSideEffects let SchedRW = [WriteALULd, WriteRMW], mayLoad = 1, mayStore = 1, hasSideEffects = 0 in { let Defs = [AL, EFLAGS], Uses = [AL] in def CMPXCHG8rm : I<0xB0, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src), - "cmpxchg{b}\t{$src, $dst|$dst, $src}", []>, TB; + "cmpxchg{b}\t{$src, $dst|$dst, $src}", []>, TB, + NotMemoryFoldable; let Defs = [AX, EFLAGS], Uses = [AX] in def CMPXCHG16rm : I<0xB1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src), - "cmpxchg{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize16; + "cmpxchg{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize16, + NotMemoryFoldable; let Defs = [EAX, EFLAGS], Uses = [EAX] in def CMPXCHG32rm : I<0xB1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src), - "cmpxchg{l}\t{$src, $dst|$dst, $src}", []>, TB, OpSize32; + "cmpxchg{l}\t{$src, $dst|$dst, $src}", []>, TB, OpSize32, + NotMemoryFoldable; let Defs = [RAX, EFLAGS], Uses = [RAX] in def CMPXCHG64rm : RI<0xB1, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src), - "cmpxchg{q}\t{$src, $dst|$dst, $src}", []>, TB; + "cmpxchg{q}\t{$src, $dst|$dst, $src}", []>, TB, + NotMemoryFoldable; let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in def CMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i64mem:$dst), |
