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A little fiddling with store instructions. The PowerPC is not friendly to

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iburg.
This commit is contained in:
David Given 2016-10-11 00:23:35 +02:00
parent e93c58dc8d
commit 2be1c51885
1 changed files with 16 additions and 2 deletions
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18
mach/proto/mcg/table
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@ -73,6 +73,7 @@ REGISTERS
DECLARATIONS DECLARATIONS
cr; cr;
ubyte_to_be;
address fragment; address fragment;
@ -129,10 +130,23 @@ PATTERNS
emit "sth %value, %addr" emit "sth %value, %addr"
cost 4; cost 4;
STORE1(addr:address, value:(int)reg) STORE1(addr:address, value:(int)ubyte_to_be)
emit "stb %value, %addr" emit "stb %value, %addr"
cost 4; cost 4;
STORE1(ADD4(left:(int)reg, right:(int)reg), value:(int)ubyte_to_be)
emit "stbx %value, %left, %right"
cost 4;
out:(int)ubyte_to_be = in:(int)reg
cost 1;
out:(int)ubyte_to_be = CIU41(value:(int)reg)
cost 1;
out:(int)ubyte_to_be = CIU41(CII14(CIU41(value:(int)reg)))
cost 1;
out:(int)reg = LOAD4(addr:address) out:(int)reg = LOAD4(addr:address)
emit "lwz %out, %addr" emit "lwz %out, %addr"
cost 4; cost 4;
@ -325,7 +339,7 @@ PATTERNS
cost 4; cost 4;
out:(int)reg = value:CONST4 out:(int)reg = value:CONST4
emit "la %out, $value" emit "li %out, $value"
cost 8; cost 8;