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Commit 45df3663 by Michael Meissner Committed by Michael Meissner
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Comment out peepholes that generate buggy code 

From-SVN: r29858
parent c2d9fa7b
Showing with 27 additions and 22 deletions
gcc/ChangeLog
Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
* alpha.md (peephole2's): Comment out peephole2's that generate
buggy code.
Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com> Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
* genrecog.c (add_to_sequence): Disable mode check for * genrecog.c (add_to_sequence): Disable mode check for
......
gcc/config/alpha/alpha.md
...@@ -5407,25 +5407,25 @@ ...@@ -5407,25 +5407,25 @@
;; Optimize sign-extension of SImode loads. This shows up in the wake of ;; Optimize sign-extension of SImode loads. This shows up in the wake of
;; reload when converting fp->int. ;; reload when converting fp->int.
(define_peephole2 ;(define_peephole2
[(set (match_operand:SI 0 "register_operand" "=r") ; [(set (match_operand:SI 0 "register_operand" "=r")
(match_operand:SI 1 "memory_operand" "m")) ; (match_operand:SI 1 "memory_operand" "m"))
(set (match_operand:DI 2 "register_operand" "=r") ; (set (match_operand:DI 2 "register_operand" "=r")
(sign_extend:DI (match_dup 0)))] ; (sign_extend:DI (match_dup 0)))]
"rtx_equal_p (operands[0], operands[2]) ; "rtx_equal_p (operands[0], operands[2])
|| reg_dead_p (insn, operands[0])" ; || reg_dead_p (insn, operands[0])"
[(set (match_dup 2) ; [(set (match_dup 2)
(sign_extend:DI (match_dup 1)))] ; (sign_extend:DI (match_dup 1)))]
"") ; "")
;
(define_peephole2 ;(define_peephole2
[(set (match_operand:SI 0 "register_operand" "=r") ; [(set (match_operand:SI 0 "register_operand" "=r")
(match_operand:SI 1 "hard_fp_register_operand" "f")) ; (match_operand:SI 1 "hard_fp_register_operand" "f"))
(set (match_operand:DI 2 "register_operand" "=r") ; (set (match_operand:DI 2 "register_operand" "=r")
(sign_extend:DI (match_dup 0)))] ; (sign_extend:DI (match_dup 0)))]
"TARGET_FIX ; "TARGET_FIX
&& (rtx_equal_p (operands[0], operands[2]) ; && (rtx_equal_p (operands[0], operands[2])
|| reg_dead_p (insn, operands[0]))" ; || reg_dead_p (insn, operands[0]))"
[(set (match_dup 2) ; [(set (match_dup 2)
(sign_extend:DI (match_dup 1)))] ; (sign_extend:DI (match_dup 1)))]
"") ; "")
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