diff options
Diffstat (limited to 'gcc/config/avr/avr.md')
| -rw-r--r-- | gcc/config/avr/avr.md | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/gcc/config/avr/avr.md b/gcc/config/avr/avr.md index b7799bed49e..a07992389cb 100644 --- a/gcc/config/avr/avr.md +++ b/gcc/config/avr/avr.md @@ -1056,6 +1056,50 @@ [(set_attr "type" "xcall") (set_attr "cc" "clobber")]) +(define_expand "mulhisi3" + [(set (reg:HI 18) + (match_operand:HI 1 "register_operand" "")) + (set (reg:HI 20) + (match_operand:HI 2 "register_operand" "")) + (set (reg:SI 22) + (mult:SI (sign_extend:SI (reg:HI 18)) + (sign_extend:SI (reg:HI 20)))) + (set (match_operand:SI 0 "register_operand" "") + (reg:SI 22))] + "AVR_HAVE_MUL" + "") + +(define_expand "umulhisi3" + [(set (reg:HI 18) + (match_operand:HI 1 "register_operand" "")) + (set (reg:HI 20) + (match_operand:HI 2 "register_operand" "")) + (set (reg:SI 22) + (mult:SI (zero_extend:SI (reg:HI 18)) + (zero_extend:SI (reg:HI 20)))) + (set (match_operand:SI 0 "register_operand" "") + (reg:SI 22))] + "AVR_HAVE_MUL" + "") + +(define_insn "*mulhisi3_call" + [(set (reg:SI 22) + (mult:SI (sign_extend:SI (reg:HI 18)) + (sign_extend:SI (reg:HI 20))))] + "AVR_HAVE_MUL" + "%~call __mulhisi3" + [(set_attr "type" "xcall") + (set_attr "cc" "clobber")]) + +(define_insn "*umulhisi3_call" + [(set (reg:SI 22) + (mult:SI (zero_extend:SI (reg:HI 18)) + (zero_extend:SI (reg:HI 20))))] + "AVR_HAVE_MUL" + "%~call __umulhisi3" + [(set_attr "type" "xcall") + (set_attr "cc" "clobber")]) + ; / % / % / % / % / % / % / % / % / % / % / % / % / % / % / % / % / % / % / % ; divmod |