// Various unary fpstack operations default to operating on on ST1.
// For example, "fxch" -> "fxch %st(1)"
def : InstAlias<"faddp", (ADD_FPrST0 ST1), 0>;
-def : InstAlias<"fsubp", (SUBR_FPrST0 ST1), 0>;
-def : InstAlias<"fsubrp", (SUB_FPrST0 ST1), 0>;
+def : InstAlias<"fsub{|r}p", (SUBR_FPrST0 ST1), 0>;
+def : InstAlias<"fsub{r|}p", (SUB_FPrST0 ST1), 0>;
def : InstAlias<"fmulp", (MUL_FPrST0 ST1), 0>;
-def : InstAlias<"fdivp", (DIVR_FPrST0 ST1), 0>;
-def : InstAlias<"fdivrp", (DIV_FPrST0 ST1), 0>;
+def : InstAlias<"fdiv{|r}p", (DIVR_FPrST0 ST1), 0>;
+def : InstAlias<"fdiv{r|}p", (DIV_FPrST0 ST1), 0>;
def : InstAlias<"fxch", (XCH_F ST1), 0>;
def : InstAlias<"fcom", (COM_FST0r ST1), 0>;
def : InstAlias<"fcomp", (COMP_FST0r ST1), 0>;
defm : FpUnaryAlias<"fadd", ADD_FST0r>;
defm : FpUnaryAlias<"faddp", ADD_FPrST0, 0>;
defm : FpUnaryAlias<"fsub", SUB_FST0r>;
-defm : FpUnaryAlias<"fsubp", SUBR_FPrST0>;
+defm : FpUnaryAlias<"fsub{|r}p", SUBR_FPrST0>;
defm : FpUnaryAlias<"fsubr", SUBR_FST0r>;
-defm : FpUnaryAlias<"fsubrp", SUB_FPrST0>;
+defm : FpUnaryAlias<"fsub{r|}p", SUB_FPrST0>;
defm : FpUnaryAlias<"fmul", MUL_FST0r>;
defm : FpUnaryAlias<"fmulp", MUL_FPrST0>;
defm : FpUnaryAlias<"fdiv", DIV_FST0r>;
-defm : FpUnaryAlias<"fdivp", DIVR_FPrST0>;
+defm : FpUnaryAlias<"fdiv{|r}p", DIVR_FPrST0>;
defm : FpUnaryAlias<"fdivr", DIVR_FST0r>;
-defm : FpUnaryAlias<"fdivrp", DIV_FPrST0>;
+defm : FpUnaryAlias<"fdiv{r|}p", DIV_FPrST0>;
defm : FpUnaryAlias<"fcomi", COM_FIr, 0>;
defm : FpUnaryAlias<"fucomi", UCOM_FIr, 0>;
defm : FpUnaryAlias<"fcompi", COM_FIPr>;