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Prefer recording loops over calls.

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Hotcounts are decremented by 2 for loops and by 1 for calls.
This commit is contained in:
Mike Pall
2011-06-29 01:51:39 +02:00
parent deeb8196c4
commit 82eca898db
10 changed files with 151 additions and 141 deletions
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12
src/buildvm_arm.dasc
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@@ -185,23 +185,23 @@
|
#define PC2PROTO(field) ((int)offsetof(GCproto, field)-(int)sizeof(GCproto))
|
|.macro hotcheck
|.macro hotcheck, delta
| lsr CARG1, PC, #1
| and CARG1, CARG1, #126
| sub CARG1, CARG1, #-GG_DISP2HOT
| ldrh CARG2, [DISPATCH, CARG1]
| subs CARG2, CARG2, #1
| subs CARG2, CARG2, #delta
| strh CARG2, [DISPATCH, CARG1]
|.endmacro
|
|.macro hotloop
| hotcheck
| beq ->vm_hotloop
| hotcheck HOTCOUNT_LOOP
| blo ->vm_hotloop
|.endmacro
|
|.macro hotcall
| hotcheck
| beq ->vm_hotcall
| hotcheck HOTCOUNT_CALL
| blo ->vm_hotcall
|.endmacro
|
|// Set current VM state.