This is just expected to be a change in representation. No code is expected to change; no new tests are added.
* config/cris/cris.md (CRIS_UNSPEC_SWAP_BITS): Remove. ("cris_swap_bits", "ctzsi2"): Use bitreverse instead. --- gcc/config/cris/cris.md | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/gcc/config/cris/cris.md b/gcc/config/cris/cris.md index 7504b63dabf3..deb2f0c6b7c7 100644 --- a/gcc/config/cris/cris.md +++ b/gcc/config/cris/cris.md @@ -50,9 +50,6 @@ (define_c_enum "" [ ;; Stack frame deallocation barrier. CRIS_UNSPEC_FRAME_DEALLOC - - ;; Swap all 32 bits of the operand; 31 <=> 0, 30 <=> 1... - CRIS_UNSPEC_SWAP_BITS ]) ;; Register numbers. @@ -2177,8 +2174,7 @@ (define_insn "<acc><anz><anzvc>bswapsi2<setcc><setnz><setnzvc>" (define_insn "cris_swap_bits" [(set (match_operand:SI 0 "register_operand" "=r") - (unspec:SI [(match_operand:SI 1 "register_operand" "0")] - CRIS_UNSPEC_SWAP_BITS)) + (bitreverse:SI (match_operand:SI 1 "register_operand" "0"))) (clobber (reg:CC CRIS_CC0_REGNUM))] "TARGET_HAS_SWAP" "swapwbr %0" @@ -2193,8 +2189,7 @@ (define_expand "ctzsi2" (match_operand:SI 1 "register_operand")) (clobber (reg:CC CRIS_CC0_REGNUM))]) (parallel - [(set (match_dup 2) - (unspec:SI [(match_dup 2)] CRIS_UNSPEC_SWAP_BITS)) + [(set (match_dup 2) (bitreverse:SI (match_dup 2))) (clobber (reg:CC CRIS_CC0_REGNUM))]) (parallel [(set (match_operand:SI 0 "register_operand") -- 2.30.2