Skip to content

R
riscv-gcc-1
Commit c8fa6556 by Ralf Gütlein Committed by Jeff Law
Options

* h8300.md: Remove obsolete peepholes. 

From-SVN: r35678
parent 2c54abce
Showing with 4 additions and 47 deletions
gcc/ChangeLog
2000-08-13 Ralf Gtlein <ralf.guetlein@aranea.de>
* h8300.md: Remove obsolete peepholes.
2000-08-13 Kazu Hirata <kazu@hxi.com>
* invoke.texi (H8/300 Options): Fix typos.
......
gcc/config/h8300/h8300.md
......@@ -2262,50 +2262,3 @@
[(set_attr "cc" "clobber")
(set_attr "length" "6")
(set_attr "adjust_length" "no")])
;; ----------------------------------------------
;; Peepholes go at the end.
;; ----------------------------------------------
;; Notice a move which could be post incremented.
(define_peephole
[(set (match_operand:QI 0 "register_operand" "")
(mem:QI (match_operand:HI 1 "register_operand" "")))
(set (match_dup 1) (plus:HI (match_dup 1) (const_int 1)))]
"REGNO (operands[1]) != REGNO (operands[0])"
"mov.b @%T1+,%X0"
[(set_attr "length" "2")
(set_attr "cc" "set_znv")])
(define_peephole
[(set (match_operand:HI 0 "register_operand" "")
(mem:HI (match_operand:HI 1 "register_operand" "")))
(set (match_dup 1) (plus:HI (match_dup 1) (const_int 2)))]
"REGNO (operands[1]) != REGNO (operands[0])"
"mov.w @%T1+,%T0"
[(set_attr "length" "2")
(set_attr "cc" "set_znv")])
;; Notice a move which could be predecremented.
(define_peephole
[(set (match_operand:HI 1 "register_operand" "")
(plus:HI (match_dup 1) (const_int -1)))
(set (mem:QI (match_dup 1))
(match_operand:QI 0 "register_operand" ""))]
"REGNO (operands[1]) != REGNO (operands[0])"
"mov.b %X0,@-%T1"
[(set_attr "length" "2")
(set_attr "cc" "set_znv")])
(define_peephole
[(set (match_operand:HI 1 "register_operand" "")
(plus:HI (match_dup 1) (const_int -2)))
(set (mem:HI (match_dup 1))
(match_operand:HI 0 "register_operand" ""))]
"REGNO (operands[1]) != REGNO (operands[0])"
"mov.w %T0,@-%T1"
[(set_attr "length" "2")
(set_attr "cc" "set_znv")])
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment