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Added some more patterns

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ceriel 1991-03-13 15:56:43 +00:00
parent 52842cd09a
commit f48f0efe60
1 changed files with 25 additions and 0 deletions
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25
mach/i86/ncg/table
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@ -2578,6 +2578,31 @@ uses REG = {ANYCON, 0}
inc %a
1: yields %a
pat loc ldc cms zeq $3==4 && $1==0 && loww($2)==0 && highw($2)==0
with REG STACK
gen test %1
je {label,$4}
pat loc ldc cms zne $3==4 && $1==0 && loww($2)==0 && highw($2)==0
with REG STACK
gen test %1
jne {label,$4}
pat loc ldc cms teq $3==4 && $1==0 && loww($2)==0 && highw($2)==0
with REG
uses REG = {ANYCON, 0}
gen test %1
jne {label,1f}
inc %a
1: yields %a
pat loc ldc cms tne $3==4 && $1==0 && loww($2)==0 && highw($2)==0
with REG
gen test %1
je {label,1f}
mov %1,{ANYCON,1}
1: yields %1
pat ldc cms zeq $2==4 && loww($1)==0 && highw($1)==0
with rmorconst REG STACK
gen or %2,%1