From 0c9a91255da4ac62d914bb399a141ac857851a10 Mon Sep 17 00:00:00 2001
From: Ben Gamari <ben@smart-cactus.org>
Date: Thu, 29 Nov 2018 14:10:33 -0500
Subject: [PATCH] evacuate_compact: Drop redundant assignment
---
rts/sm/Evac.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/rts/sm/Evac.c b/rts/sm/Evac.c
index 521fd4eef454..a118d0a2a870 100644
--- a/rts/sm/Evac.c
+++ b/rts/sm/Evac.c
@@ -425,7 +425,6 @@ evacuate_compact (StgPtr p)
StgCompactNFData *str;
bdescr *bd;
generation *gen, *new_gen;
- uint32_t gen_no, new_gen_no;
// We need to find the Compact# corresponding to this pointer, because it
// will give us the first block in the compact chain, which is the one we
@@ -434,7 +433,7 @@ evacuate_compact (StgPtr p)
ASSERT(get_itbl((StgClosure*)str)->type == COMPACT_NFDATA);
bd = Bdescr((StgPtr)str);
- gen_no = bd->gen_no;
+ const uint32_t gen_no = bd->gen_no;
if (bd->flags & BF_NONMOVING) {
// We may have evacuated the block to the nonmoving generation. If so
@@ -460,7 +459,6 @@ evacuate_compact (StgPtr p)
}
gen = bd->gen;
- gen_no = bd->gen_no;
ACQUIRE_SPIN_LOCK(&gen->sync);
// already evacuated?
@@ -481,7 +479,7 @@ evacuate_compact (StgPtr p)
/* link it on to the evacuated compact object list of the destination gen
*/
- new_gen_no = bd->dest_no;
+ uint32_t new_gen_no = bd->dest_no;
if (new_gen_no < gct->evac_gen_no) {
if (gct->eager_promotion) {
--
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