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Added some patterns

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ceriel 1989-11-03 13:28:37 +00:00
parent f83c2ba230
commit 1158018fdf
1 changed files with 22 additions and 0 deletions
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22
mach/i86/ncg/table
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@ -2527,6 +2527,28 @@ uses REG = {ANYCON, 0}
inc %a
1: yields %a
pat ldc cmu zgt highw($1)==0 && loww($1)==0 && $2==4
with rmorconst rmorconst
uses REG = {ANYCON, 0}
gen cmp %a,%2
jl {label,$3}
jg {label,1f}
cmp %a,%1
jne {label,$3}
1:
pat ldc cmu tgt highw($1)==0 && loww($1)==0 && $2==4
with rmorconst rmorconst
uses REG = {ANYCON, 0}
gen cmp %a,%2
jl {label,2f}
jg {label,1f}
cmp %a,%1
je {label,1f}
2:
inc %a
1: yields %a
pat ldc cms zeq $2==4 && loww($1)==0 && highw($1)==0
with rmorconst REG STACK
gen or %2,%1