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e5802fa9
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体验新版 GitCode,发现更多精彩内容 >>
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提交
e5802fa9
编写于
9月 06, 2022
作者:
J
Jakob Botsch Nielsen
提交者:
GitHub
9月 06, 2022
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电子邮件补丁
差异文件
JIT: Disable TYP_BLK stressing for tail call to loop optimization (#74999)
Fix #57918
上级
2dcd5bf6
变更
4
隐藏空白更改
内联
并排
Showing
4 changed file
with
23 addition
and
10 deletion
+23
-10
src/coreclr/jit/compiler.cpp
src/coreclr/jit/compiler.cpp
+11
-10
src/coreclr/jit/compiler.h
src/coreclr/jit/compiler.h
+1
-0
src/coreclr/jit/importer.cpp
src/coreclr/jit/importer.cpp
+2
-0
src/coreclr/jit/lclvars.cpp
src/coreclr/jit/lclvars.cpp
+9
-0
未找到文件。
src/coreclr/jit/compiler.cpp
浏览文件 @
e5802fa9
...
...
@@ -1890,16 +1890,17 @@ void Compiler::compInit(ArenaAllocator* pAlloc,
codeGen
=
nullptr
;
}
compJmpOpUsed
=
false
;
compLongUsed
=
false
;
compTailCallUsed
=
false
;
compTailPrefixSeen
=
false
;
compLocallocSeen
=
false
;
compLocallocUsed
=
false
;
compLocallocOptimized
=
false
;
compQmarkRationalized
=
false
;
compQmarkUsed
=
false
;
compFloatingPointUsed
=
false
;
compJmpOpUsed
=
false
;
compLongUsed
=
false
;
compTailCallUsed
=
false
;
compTailPrefixSeen
=
false
;
compMayConvertTailCallToLoop
=
false
;
compLocallocSeen
=
false
;
compLocallocUsed
=
false
;
compLocallocOptimized
=
false
;
compQmarkRationalized
=
false
;
compQmarkUsed
=
false
;
compFloatingPointUsed
=
false
;
compSuppressedZeroInit
=
false
;
...
...
src/coreclr/jit/compiler.h
浏览文件 @
e5802fa9
...
...
@@ -8969,6 +8969,7 @@ public:
bool
compFloatingPointUsed
;
// Does the method use TYP_FLOAT or TYP_DOUBLE
bool
compTailCallUsed
;
// Does the method do a tailcall
bool
compTailPrefixSeen
;
// Does the method IL have tail. prefix
bool
compMayConvertTailCallToLoop
;
// Does the method have a recursive tail call that we may convert to a loop?
bool
compLocallocSeen
;
// Does the method IL have localloc opcode
bool
compLocallocUsed
;
// Does the method use localloc.
bool
compLocallocOptimized
;
// Does the method have an optimized localloc
...
...
src/coreclr/jit/importer.cpp
浏览文件 @
e5802fa9
...
...
@@ -10661,6 +10661,8 @@ DONE:
" as having a backward branch.\n",
dspTreeID(call), loopHead->bbNum, compCurBB->bbNum);
fgMarkBackwardJump(loopHead, compCurBB);
compMayConvertTailCallToLoop = true;
}
// We only do these OSR checks in the root method because:
...
...
src/coreclr/jit/lclvars.cpp
浏览文件 @
e5802fa9
...
...
@@ -8406,6 +8406,15 @@ Compiler::fgWalkResult Compiler::lvaStressLclFldCB(GenTree** pTree, fgWalkData*
return
WALK_SKIP_SUBTREES
;
}
// Converting tail calls to loops may require insertion of explicit
// zero initialization for IL locals. The JIT does not support this for
// TYP_BLK locals.
if
(
pComp
->
compMayConvertTailCallToLoop
)
{
varDsc
->
lvNoLclFldStress
=
true
;
return
WALK_SKIP_SUBTREES
;
}
// Fix for lcl_fld stress mode
if
(
varDsc
->
lvKeepType
)
{
...
...
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