Provide sema proper values of maximal number of arguments passed in registers.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68413 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaDeclAttr.cpp b/lib/Sema/SemaDeclAttr.cpp
index 40e4971..a68ddf6 100644
--- a/lib/Sema/SemaDeclAttr.cpp
+++ b/lib/Sema/SemaDeclAttr.cpp
@@ -1465,17 +1465,16 @@
return;
}
- if (NumParams.getLimitedValue(4) > 3) {
- S.Diag(Attr.getLoc(), diag::err_attribute_regparm_invalid_number)
+ if (S.Context.Target.getRegParmMax() == 0) {
+ S.Diag(Attr.getLoc(), diag::err_attribute_regparm_wrong_platform)
<< NumParamsExpr->getSourceRange();
return;
}
- const char *TargetPrefix = S.Context.Target.getTargetPrefix();
- unsigned PointerWidth = S.Context.Target.getPointerWidth(0);
- if (strcmp(TargetPrefix, "x86") || PointerWidth != 32) {
- S.Diag(Attr.getLoc(), diag::err_attribute_regparm_wrong_platform)
- << NumParamsExpr->getSourceRange();
+ // FIXME: we need to honour command line settings also...
+ if (NumParams.getLimitedValue(4) > S.Context.Target.getRegParmMax()) {
+ S.Diag(Attr.getLoc(), diag::err_attribute_regparm_invalid_number)
+ << S.Context.Target.getRegParmMax() << NumParamsExpr->getSourceRange();
return;
}