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authornormal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2018-08-20 23:48:03 (GMT)
committernormal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2018-08-20 23:48:03 (GMT)
commitaba0929a5ab10af0388a0528ec453ab29e6625c3 (patch)
treeefd793cb8bd34efc6550d33ca08e5d897da3b032 /cont.c
parent39c64117f6323ffa16bdcd14a2c907daa31c49c9 (diff)
cont.c (struct rb_fiber_struct): bitfields for trasnferred and status
On 32-bit x86, this reduces the struct from 836 to 832 bytes and brings us down to 13 (64-byte) cachelines (from 14). git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64487 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'cont.c')
-rw-r--r--cont.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/cont.c b/cont.c
index e7ad79f..f1d5bc8 100644
--- a/cont.c
+++ b/cont.c
@@ -175,12 +175,12 @@ struct rb_fiber_struct {
rb_context_t cont;
VALUE first_proc;
struct rb_fiber_struct *prev;
- enum fiber_status status;
+ BITFIELD(enum fiber_status status) : 2;
/* If a fiber invokes "transfer",
* then this fiber can't "resume" any more after that.
* You shouldn't mix "transfer" and "resume".
*/
- int transferred;
+ unsigned int transferred : 1;
#if FIBER_USE_NATIVE
#ifdef _WIN32