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Remove the cmpdi pattern, since the operand constraints cannot be enforced 

during register spilling.  The default implementation is less optimal in some
cases, but it works.
This commit is contained in:
mycroft 1997-03-12 06:11:00 +00:00
parent 28152db63a
commit f525bcf594
1 changed files with 0 additions and 26 deletions
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26
gnu/usr.bin/gcc/arch/m68k/m68k.md
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@ -414,32 +414,6 @@
;; compare instructions.
(define_expand "cmpdi"
[(parallel
[(set (cc0)
(compare (match_operand:DI 0 "nonimmediate_operand" "")
(match_operand:DI 1 "general_operand" "")))
(clobber (match_dup 2))])]
""
"operands[2] = gen_reg_rtx (DImode);")
(define_insn ""
[(set (cc0)
(compare (match_operand:DI 1 "nonimmediate_operand" "0,d")
(match_operand:DI 2 "general_operand" "d,0")))
(clobber (match_operand:DI 0 "register_operand" "=d,d"))]
""
"*
{
if (rtx_equal_p (operands[0], operands[1]))
return \"sub%.l %R2,%R0\;subx%.l %2,%0\";
else
{
cc_status.flags |= CC_REVERSED;
return \"sub%.l %R1,%R0\;subx%.l %1,%0\";
}
}")
;; This is the second "hook" for PIC code (in addition to movsi). See
;; comment of movsi for a description of PIC handling.
(define_expand "cmpsi"