def : MnemonicAlias<"fcmovnae", "fcmovb">;
def : MnemonicAlias<"fcmovna", "fcmovbe">;
def : MnemonicAlias<"fcmovae", "fcmovnb">;
-def : MnemonicAlias<"fcompi", "fcomip">;
+def : MnemonicAlias<"fcomip", "fcompi">;
def : MnemonicAlias<"fildq", "fildll">;
def : MnemonicAlias<"fldcww", "fldcw">;
def : MnemonicAlias<"fnstcww", "fnstcw">;
def : MnemonicAlias<"fnstsww", "fnstsw">;
-def : MnemonicAlias<"fucompi", "fucomip">;
+def : MnemonicAlias<"fucomip", "fucompi">;
def : MnemonicAlias<"fwait", "wait">;
def : InstAlias<"clrl $reg", (XOR32rr GR32:$reg, GR32:$reg)>;
def : InstAlias<"clrq $reg", (XOR64rr GR64:$reg, GR64:$reg)>;
+// div and idiv aliases for explicit A register.
+def : InstAlias<"divb $src, %al", (DIV8r GR8 :$src)>;
+def : InstAlias<"divw $src, %ax", (DIV16r GR16:$src)>;
+def : InstAlias<"divl $src, %eax", (DIV32r GR32:$src)>;
+def : InstAlias<"divq $src, %rax", (DIV64r GR64:$src)>;
+def : InstAlias<"divb $src, %al", (DIV8m i8mem :$src)>;
+def : InstAlias<"divw $src, %ax", (DIV16m i16mem:$src)>;
+def : InstAlias<"divl $src, %eax", (DIV32m i32mem:$src)>;
+def : InstAlias<"divq $src, %rax", (DIV64m i64mem:$src)>;
+def : InstAlias<"idivb $src, %al", (IDIV8r GR8 :$src)>;
+def : InstAlias<"idivw $src, %ax", (IDIV16r GR16:$src)>;
+def : InstAlias<"idivl $src, %eax", (IDIV32r GR32:$src)>;
+def : InstAlias<"idivq $src, %rax", (IDIV64r GR64:$src)>;
+def : InstAlias<"idivb $src, %al", (IDIV8m i8mem :$src)>;
+def : InstAlias<"idivw $src, %ax", (IDIV16m i16mem:$src)>;
+def : InstAlias<"idivl $src, %eax", (IDIV32m i32mem:$src)>;
+def : InstAlias<"idivq $src, %rax", (IDIV64m i64mem:$src)>;
+
+
+
// Various unary fpstack operations default to operating on on ST1.
// For example, "fxch" -> "fxch %st(1)"
def : InstAlias<"faddp", (ADD_FPrST0 ST1)>;
def : InstAlias<"fdivrp", (DIV_FPrST0 ST1)>;
def : InstAlias<"fxch", (XCH_F ST1)>;
def : InstAlias<"fcomi", (COM_FIr ST1)>;
-def : InstAlias<"fcomip", (COM_FIPr ST1)>;
+def : InstAlias<"fcompi", (COM_FIPr ST1)>;
def : InstAlias<"fucom", (UCOM_Fr ST1)>;
def : InstAlias<"fucomp", (UCOM_FPr ST1)>;
def : InstAlias<"fucomi", (UCOM_FIr ST1)>;
-def : InstAlias<"fucomip", (UCOM_FIPr ST1)>;
+def : InstAlias<"fucompi", (UCOM_FIPr ST1)>;
// Handle fmul/fadd/fsub/fdiv instructions with explicitly written st(0) op.
// For example, "fadd %st(4), %st(0)" -> "fadd %st(4)". We also disambiguate
defm : FpUnaryAlias<"fdivr", DIVR_FST0r>;
defm : FpUnaryAlias<"fdivrp", DIV_FPrST0>;
defm : FpUnaryAlias<"fcomi", COM_FIr>;
-defm : FpUnaryAlias<"fcomip", COM_FIPr>;
defm : FpUnaryAlias<"fucomi", UCOM_FIr>;
-defm : FpUnaryAlias<"fucomip", UCOM_FIPr>;
+defm : FpUnaryAlias<"fcompi", COM_FIPr>;
+defm : FpUnaryAlias<"fucompi", UCOM_FIPr>;
// Handle "f{mulp,addp} st(0), $op" the same as "f{mulp,addp} $op", since they
def : InstAlias<"calll $seg, $off", (FARCALL32i i32imm:$off, i16imm:$seg)>;
def : InstAlias<"jmpl $seg, $off", (FARJMP32i i32imm:$off, i16imm:$seg)>;
+// Force mov without a suffix with a segment and mem to prefer the 'l' form of
+// the move. All segment/mem forms are equivalent, this has the shortest
+// encoding.
+def : InstAlias<"mov $mem, $seg", (MOV32sm SEGMENT_REG:$seg, i32mem:$mem)>;
+def : InstAlias<"mov $seg, $mem", (MOV32ms i32mem:$mem, SEGMENT_REG:$seg)>;
// Match 'movq <largeimm>, <reg>' as an alias for movabsq.
def : InstAlias<"movq $imm, $reg", (MOV64ri GR64:$reg, i64imm:$imm)>;
// errors, since its encoding is the most compact.
def : InstAlias<"sldt $mem", (SLDT16m i16mem:$mem)>;
+// shld/shrd op,op -> shld op, op, 1
+def : InstAlias<"shldw $r1, $r2", (SHLD16rri8 GR16:$r1, GR16:$r2, 1)>;
+def : InstAlias<"shldl $r1, $r2", (SHLD32rri8 GR32:$r1, GR32:$r2, 1)>;
+def : InstAlias<"shldq $r1, $r2", (SHLD64rri8 GR64:$r1, GR64:$r2, 1)>;
+def : InstAlias<"shrdw $r1, $r2", (SHRD16rri8 GR16:$r1, GR16:$r2, 1)>;
+def : InstAlias<"shrdl $r1, $r2", (SHRD32rri8 GR32:$r1, GR32:$r2, 1)>;
+def : InstAlias<"shrdq $r1, $r2", (SHRD64rri8 GR64:$r1, GR64:$r2, 1)>;
+
+def : InstAlias<"shldw $mem, $reg", (SHLD16mri8 i16mem:$mem, GR16:$reg, 1)>;
+def : InstAlias<"shldl $mem, $reg", (SHLD32mri8 i32mem:$mem, GR32:$reg, 1)>;
+def : InstAlias<"shldq $mem, $reg", (SHLD64mri8 i64mem:$mem, GR64:$reg, 1)>;
+def : InstAlias<"shrdw $mem, $reg", (SHRD16mri8 i16mem:$mem, GR16:$reg, 1)>;
+def : InstAlias<"shrdl $mem, $reg", (SHRD32mri8 i32mem:$mem, GR32:$reg, 1)>;
+def : InstAlias<"shrdq $mem, $reg", (SHRD64mri8 i64mem:$mem, GR64:$reg, 1)>;
+
+/* FIXME: This is disabled because the asm matcher is currently incapable of
+ * matching a fixed immediate like $1.
+// "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"),
+ (!cast<Instruction>(!strconcat(Opc, "16r1")) GR16:$op)>;
+ def : InstAlias<!strconcat(Mnemonic, "l $op, $$1"),
+ (!cast<Instruction>(!strconcat(Opc, "32r1")) GR32:$op)>;
+ def : InstAlias<!strconcat(Mnemonic, "q $op, $$1"),
+ (!cast<Instruction>(!strconcat(Opc, "64r1")) GR64:$op)>;
+ def : InstAlias<!strconcat(Mnemonic, "b $op, $$1"),
+ (!cast<Instruction>(!strconcat(Opc, "8m1")) i8mem:$op)>;
+ def : InstAlias<!strconcat(Mnemonic, "w $op, $$1"),
+ (!cast<Instruction>(!strconcat(Opc, "16m1")) i16mem:$op)>;
+ def : InstAlias<!strconcat(Mnemonic, "l $op, $$1"),
+ (!cast<Instruction>(!strconcat(Opc, "32m1")) i32mem:$op)>;
+ def : InstAlias<!strconcat(Mnemonic, "q $op, $$1"),
+ (!cast<Instruction>(!strconcat(Opc, "64m1")) i64mem:$op)>;
+}
+
+defm : ShiftRotateByOneAlias<"rcl", "RCL">;
+defm : ShiftRotateByOneAlias<"rcr", "RCR">;
+defm : ShiftRotateByOneAlias<"rol", "ROL">;
+defm : ShiftRotateByOneAlias<"ror", "ROR">;
+FIXME */
// test: We accept "testX <reg>, <mem>" and "testX <mem>, <reg>" as synonyms.
def : InstAlias<"testb $val, $mem", (TEST8rm GR8 :$val, i8mem :$mem)>;
projects / oota-llvm.git / blobdiff