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Revert "builtins: relax __iso_volatile_{load,store}32" 

This reverts commit SVN r364137.  This seems to be cause problems with
casting in C.

llvm-svn: 364147
This commit is contained in:
Saleem Abdulrasool 2019-06-23 02:53:03 +00:00
parent cf92a1f6eb
commit 6281ccea02
2 changed files with 2 additions and 19 deletions
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4
clang/include/clang/Basic/Builtins.def
View File

@ -827,11 +827,11 @@ LANGBUILTIN(_interlockedbittestandset_nf, "UcNiD*Ni", "n", ALL_MS_LANGUAGES)
LANGBUILTIN(_interlockedbittestandset_rel, "UcNiD*Ni", "n", ALL_MS_LANGUAGES)
LANGBUILTIN(__iso_volatile_load8, "ccCD*", "n", ALL_MS_LANGUAGES)
LANGBUILTIN(__iso_volatile_load16, "ssCD*", "n", ALL_MS_LANGUAGES)
LANGBUILTIN(__iso_volatile_load32, "LiLiCD*", "n", ALL_MS_LANGUAGES)
LANGBUILTIN(__iso_volatile_load32, "iiCD*", "n", ALL_MS_LANGUAGES)
LANGBUILTIN(__iso_volatile_load64, "LLiLLiCD*", "n", ALL_MS_LANGUAGES)
LANGBUILTIN(__iso_volatile_store8, "vcD*c", "n", ALL_MS_LANGUAGES)
LANGBUILTIN(__iso_volatile_store16, "vsD*s", "n", ALL_MS_LANGUAGES)
LANGBUILTIN(__iso_volatile_store32, "vLiD*Li", "n", ALL_MS_LANGUAGES)
LANGBUILTIN(__iso_volatile_store32, "viD*i", "n", ALL_MS_LANGUAGES)
LANGBUILTIN(__iso_volatile_store64, "vLLiD*LLi", "n", ALL_MS_LANGUAGES)
LANGBUILTIN(__noop, "i.", "n", ALL_MS_LANGUAGES)
LANGBUILTIN(__lzcnt16, "UsUs", "nc", ALL_MS_LANGUAGES)

17
clang/test/CodeGenCXX/ms-intrinsics.cpp
View File

@ -1,17 +0,0 @@
// RUN: %clang_cc1 -fms-compatibility -fsyntax-only %s -verify
// expected-no-diagnostics
struct S {
mutable long _Spinlock = 0;
void _Unlock() {
__iso_volatile_store32(&_Spinlock, 0);
}
int _Reset() {
long v = __iso_volatile_load32(&_Spinlock);
__iso_volatile_store32(&_Spinlock, 0);
return v;
}
};
S s;