diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrInfo.td | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/llvm/lib/Target/X86/X86InstrInfo.td b/llvm/lib/Target/X86/X86InstrInfo.td index 18ea78a00ed..05adb4d9dba 100644 --- a/llvm/lib/Target/X86/X86InstrInfo.td +++ b/llvm/lib/Target/X86/X86InstrInfo.td @@ -1504,9 +1504,9 @@ def : InstAlias<"outl $port", (OUT32ir i8imm:$port)>; // errors, since its encoding is the most compact. def : InstAlias<"sldt $mem", (SLDT16m i16mem:$mem)>; -// "rc[lr] X" is an alias for "rcl X, 1" /* -multiclass RotateAlias<string Mnemonic, string Opc> { +// "shl X, $1" is an alias for "shl X". +multiclass ShiftRotateByOneAlias<string Mnemonic, string Opc> { def : InstAlias<!strconcat(Mnemonic, "b $op, $$1"), (!cast<Instruction>(!strconcat(Opc, "8r1")) GR8:$op)>; def : InstAlias<!strconcat(Mnemonic, "w $op, $$1"), @@ -1525,13 +1525,12 @@ multiclass RotateAlias<string Mnemonic, string Opc> { (!cast<Instruction>(!strconcat(Opc, "64m1")) i64mem:$op)>; } -defm : RotateAlias<"rcl", "RCL">; -defm : RotateAlias<"rcr", "RCR">; -defm : RotateAlias<"rol", "ROL">; -defm : RotateAlias<"ror", "ROR">; +defm : ShiftRotateByOneAlias<"rcl", "RCL">; +defm : ShiftRotateByOneAlias<"rcr", "RCR">; +defm : ShiftRotateByOneAlias<"rol", "ROL">; +defm : ShiftRotateByOneAlias<"ror", "ROR">; */ - // test: We accept "testX <reg>, <mem>" and "testX <mem>, <reg>" as synonyms. def : InstAlias<"testb $val, $mem", (TEST8rm GR8 :$val, i8mem :$mem)>; def : InstAlias<"testw $val, $mem", (TEST16rm GR16:$val, i16mem:$mem)>; |
