diff options
Diffstat (limited to 'src/gc/sample/GCSample.cpp')
| -rw-r--r-- | src/gc/sample/GCSample.cpp | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/src/gc/sample/GCSample.cpp b/src/gc/sample/GCSample.cpp index 664dc38e94..112d291420 100644 --- a/src/gc/sample/GCSample.cpp +++ b/src/gc/sample/GCSample.cpp @@ -94,14 +94,11 @@ inline void ErectWriteBarrier(Object ** dst, Object * ref) if (((uint8_t*)dst < g_gc_lowest_address) || ((uint8_t*)dst >= g_gc_highest_address)) return; - if((uint8_t*)ref >= g_gc_ephemeral_low && (uint8_t*)ref < g_gc_ephemeral_high) - { - // volatile is used here to prevent fetch of g_card_table from being reordered - // with g_lowest/highest_address check above. See comment in code:gc_heap::grow_brick_card_tables. - uint8_t* pCardByte = (uint8_t *)*(volatile uint8_t **)(&g_gc_card_table) + card_byte((uint8_t *)dst); - if(*pCardByte != 0xFF) - *pCardByte = 0xFF; - } + // volatile is used here to prevent fetch of g_card_table from being reordered + // with g_lowest/highest_address check above. See comment in code:gc_heap::grow_brick_card_tables. + uint8_t* pCardByte = (uint8_t *)*(volatile uint8_t **)(&g_gc_card_table) + card_byte((uint8_t *)dst); + if(*pCardByte != 0xFF) + *pCardByte = 0xFF; } void WriteBarrier(Object ** dst, Object * ref) |