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PPC: Fix write barrier in USETV/USETS.

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This commit is contained in:
Mike Pall
2011-10-25 00:29:10 +02:00
parent 0cf8c20be8
commit bec4d20fb6
2 changed files with 6 additions and 8 deletions
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6
src/buildvm_ppc.dasc
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@@ -3382,7 +3382,6 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop)
| addi RA, RA, offsetof(GCfuncL, uvptr)
| lfdux f0, RD, BASE
| lwzx UPVAL:RB, LFUNC:RB, RA
| ins_next1
| lbz TMP3, UPVAL:RB->marked
| lwz CARG2, UPVAL:RB->v
| andi. TMP3, TMP3, LJ_GC_BLACK // isblack(uv)
@@ -3395,7 +3394,7 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop)
| subi TMP2, TMP2, (LJ_TISNUM+1)
| bne >2 // Upvalue is closed and black?
|1:
| ins_next2
| ins_next
|
|2: // Check if new value is collectable.
| cmplwi TMP2, LJ_TISGCV - (LJ_TISNUM+1)
@@ -3417,7 +3416,6 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop)
| addi RA, RA, offsetof(GCfuncL, uvptr)
| lwzx STR:TMP1, KBASE, TMP1 // KBASE-4-str_const*4
| lwzx UPVAL:RB, LFUNC:RB, RA
| ins_next1
| lbz TMP3, UPVAL:RB->marked
| lwz CARG2, UPVAL:RB->v
| andi. TMP3, TMP3, LJ_GC_BLACK // isblack(uv)
@@ -3428,7 +3426,7 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop)
| stw TMP0, 0(CARG2)
| bne >2
|1:
| ins_next2
| ins_next
|
|2: // Check if string is white and ensure upvalue is closed.
| andi. TMP3, TMP3, LJ_GC_WHITES // iswhite(str)