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Make betterer.

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This commit is contained in:
David Given 2016-10-01 23:41:45 +02:00
parent 65e75be42d
commit 06059233da
1 changed files with 30 additions and 0 deletions
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30
mach/proto/mcg/table
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@ -61,6 +61,10 @@ PATTERNS
emit "mov r0, %in"
cost 4;
STACKADJUST4(delta:aluparam)
emit "add sp, sp, %delta"
cost 4;
int = in:REG4
prefers int(in)
cost 1;
@ -82,6 +86,10 @@ PATTERNS
emit "str %value, %addr"
cost 4;
STORE1(addr:address, value:int)
emit "strb %value, %addr"
cost 4;
int = LOAD4(addr:address)
emit "ldr %int, %addr"
cost 4;
@ -114,10 +122,14 @@ PATTERNS
address = ADD4(addr:int, offset:CONST4)
emit "[%addr, #$offset]";
address = ADD4(addr1:int, addr2:int)
emit "[%addr1, %addr2]";
address = addr:int
emit "[%addr]";
/* Branches */
JUMP(addr:BLOCK4)
@ -129,6 +141,15 @@ PATTERNS
emit "b $false"
cost 8;
CJUMPLE(value:cc, PAIR(true:BLOCK4, false:BLOCK4))
emit "ble $true"
emit "b $false"
cost 8;
CALL(dest:LABEL4)
emit "bl $dest"
cost 4;
/* Comparisons */
@ -168,6 +189,15 @@ PATTERNS
emit "add %int, %right, %left"
cost 4;
int = MOD4(left:int, right:int)
emit "udiv %int, %left, %right"
emit "mls %int, %int, %right, %left"
cost 8;
int = DIV4(left:int, right:aluparam)
emit "div %int, %left, %right"
cost 4;
aluparam = value:CONST4
emit "#$value";