diff options
Diffstat (limited to 'gcc/config/avr/avr.md')
| -rw-r--r-- | gcc/config/avr/avr.md | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/gcc/config/avr/avr.md b/gcc/config/avr/avr.md index 6632ae97638..59d35f050e1 100644 --- a/gcc/config/avr/avr.md +++ b/gcc/config/avr/avr.md @@ -410,28 +410,32 @@ DONE; }") -;; =0 =0 =0 =0 =0 =0 =0 =0 =0 =0 =0 =0 =0 =0 =0 =0 =0 =0 =0 =0 =0 =0 =0 =0 -;; memset (%0, 0, %1) +;; =%2 =%2 =%2 =%2 =%2 =%2 =%2 =%2 =%2 =%2 =%2 =%2 =%2 =%2 =%2 =%2 =%2 =%2 =%2 =%2 =%2 +;; memset (%0, %2, %1) -(define_expand "clrmemhi" +(define_expand "setmemhi" [(parallel [(set (match_operand:BLK 0 "memory_operand" "") - (const_int 0)) + (match_operand 2 "const_int_operand" "")) (use (match_operand:HI 1 "const_int_operand" "")) - (use (match_operand:HI 2 "const_int_operand" "n")) - (clobber (match_scratch:HI 3 "")) - (clobber (match_dup 4))])] + (use (match_operand:HI 3 "const_int_operand" "n")) + (clobber (match_scratch:HI 4 "")) + (clobber (match_dup 5))])] "" "{ rtx addr0; int cnt8; enum machine_mode mode; + /* If value to set is not zero, use the library routine. */ + if (operands[2] != const0_rtx) + FAIL; + if (GET_CODE (operands[1]) != CONST_INT) FAIL; cnt8 = byte_immediate_operand (operands[1], GET_MODE (operands[1])); mode = cnt8 ? QImode : HImode; - operands[4] = gen_rtx_SCRATCH (mode); + operands[5] = gen_rtx_SCRATCH (mode); operands[1] = copy_to_mode_reg (mode, gen_int_mode (INTVAL (operands[1]), mode)); addr0 = copy_to_mode_reg (Pmode, XEXP (operands[0], 0)); |