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author | Iain Buclaw <ibuclaw@gdcproject.org> | 2021-07-26 19:22:48 +0200 |
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committer | Iain Buclaw <ibuclaw@gdcproject.org> | 2021-07-30 12:51:36 +0200 |
commit | c18db639a31b9d651b3b997fee331106b25789ef (patch) | |
tree | 84ec1d17678b786615df60842eaeb79cfe14323a /gcc/d | |
parent | 370f66b6af3e70ac31593d60a00d328a3368834a (diff) | |
download | gcc-c18db639a31b9d651b3b997fee331106b25789ef.zip gcc-c18db639a31b9d651b3b997fee331106b25789ef.tar.gz gcc-c18db639a31b9d651b3b997fee331106b25789ef.tar.bz2 |
d: Clarify comment for generating static array assignment with literal.
The code block is done as an optimization to elide a call to the runtime
library helpers _d_arrayctor or _d_arrayassign.
gcc/d/ChangeLog:
* expr.cc (ExprVisitor::visit (AssignExp *)): Clarify comment
for generating static array assignment with literal.
Diffstat (limited to 'gcc/d')
-rw-r--r-- | gcc/d/expr.cc | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/gcc/d/expr.cc b/gcc/d/expr.cc index 85269c6..76c1e61 100644 --- a/gcc/d/expr.cc +++ b/gcc/d/expr.cc @@ -1163,9 +1163,9 @@ public: bool destructor = needs_dtor (etype); bool lvalue = lvalue_p (e->e2); - /* Even if the elements in rhs are all rvalues and don't have - to call postblits, this assignment should call dtors on old - assigned elements. */ + /* Optimize static array assignment with array literal. Even if the + elements in rhs are all rvalues and don't have to call postblits, + this assignment should call dtors on old assigned elements. */ if ((!postblit && !destructor) || (e->op == TOKconstruct && e->e2->op == TOKarrayliteral) || (e->op == TOKconstruct && !lvalue && postblit) |