(SUBu GPR32:$src, GPR32:$src2), sub_32)>;
def : MipsPat<(i64 (sext (i32 (mul GPR32:$src, GPR32:$src2)))),
(INSERT_SUBREG (i64 (IMPLICIT_DEF)),
- (MUL GPR32:$src, GPR32:$src2), sub_32)>;
+ (MUL GPR32:$src, GPR32:$src2), sub_32)>, ISA_MIPS3_NOT_32R6_64R6;
def : MipsPat<(i64 (sext (i32 (MipsMFHI ACC64:$src)))),
(INSERT_SUBREG (i64 (IMPLICIT_DEF)),
(PseudoMFHI ACC64:$src), sub_32)>;
// Patterns used for matching away redundant sign extensions.
// MIPS32 arithmetic instructions sign extend their result implicitly.
+def : MipsPat<(i64 (sext (i32 (mul GPR32:$src, GPR32:$src2)))),
+ (INSERT_SUBREG (i64 (IMPLICIT_DEF)),
+ (MUL_R6 GPR32:$src, GPR32:$src2), sub_32)>, ISA_MIPS64R6;
def : MipsPat<(i64 (sext (i32 (sdiv GPR32:$src, GPR32:$src2)))),
(INSERT_SUBREG (i64 (IMPLICIT_DEF)),
(DIV GPR32:$src, GPR32:$src2), sub_32)>, ISA_MIPS64R6;