stan/jdk-24
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

8071787: Don't block inlining when DONT_INLINE_THRESHOLD=0

Browse Source 
Reviewed-by: jrose
This commit is contained in:
Vladimir Ivanov 2015-01-29 10:29:43 -08:00
parent bfc5193fe7
commit 676ea83240
1 changed files with 11 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
jdk/src/java.base/share/classes/java/lang/invoke/MethodHandleImpl.java
View File

@ -753,7 +753,7 @@ import static java.lang.invoke.MethodHandles.Lookup.IMPL_LOOKUP;
static
MethodHandle profile(MethodHandle target) {
if (DONT_INLINE_THRESHOLD >= 0) {
return makeBlockInlningWrapper(target);
return makeBlockInliningWrapper(target);
} else {
return target;
}
@ -764,8 +764,13 @@ import static java.lang.invoke.MethodHandles.Lookup.IMPL_LOOKUP;
* Corresponding LambdaForm has @DontInline when compiled into bytecode.
*/
static
MethodHandle makeBlockInlningWrapper(MethodHandle target) {
LambdaForm lform = PRODUCE_BLOCK_INLINING_FORM.apply(target);
MethodHandle makeBlockInliningWrapper(MethodHandle target) {
LambdaForm lform;
if (DONT_INLINE_THRESHOLD > 0) {
lform = PRODUCE_BLOCK_INLINING_FORM.apply(target);
} else {
lform = PRODUCE_REINVOKER_FORM.apply(target);
}
return new CountingWrapper(target, lform,
PRODUCE_BLOCK_INLINING_FORM, PRODUCE_REINVOKER_FORM,
DONT_INLINE_THRESHOLD);
@ -836,7 +841,8 @@ import static java.lang.invoke.MethodHandles.Lookup.IMPL_LOOKUP;
}
boolean countDown() {
if (count <= 0) {
int c = count;
if (c <= 1) {
// Try to limit number of updates. MethodHandle.updateForm() doesn't guarantee LF update visibility.
if (isCounting) {
isCounting = false;
@ -845,7 +851,7 @@ import static java.lang.invoke.MethodHandles.Lookup.IMPL_LOOKUP;
return false;
}
} else {
--count;
count = c - 1;
return false;
}
}