[PATCH] D35184: X86 Intrinsics: _bit_scan_forward should not be under #ifdef __RDRND__
Zvi Rackover via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Mon Jul 10 00:14:36 PDT 2017
This revision was automatically updated to reflect the committed changes.
Closed by commit rL307524: X86 Intrinsics: _bit_scan_forward should not be under #ifdef __RDRND__ (authored by zvi).
Repository:
rL LLVM
https://reviews.llvm.org/D35184
Files:
cfe/trunk/lib/Headers/immintrin.h
cfe/trunk/test/CodeGen/bitscan-builtins.c
Index: cfe/trunk/test/CodeGen/bitscan-builtins.c
===================================================================
--- cfe/trunk/test/CodeGen/bitscan-builtins.c
+++ cfe/trunk/test/CodeGen/bitscan-builtins.c
@@ -1,5 +1,8 @@
// RUN: %clang_cc1 -ffreestanding -triple x86_64-unknown-unknown -emit-llvm -o - %s | FileCheck %s
+// PR33722
+// RUN: %clang_cc1 -ffreestanding -triple x86_64-unknown-unknown -D_MSC_VER -emit-llvm -o - %s | FileCheck %s
+
#include <immintrin.h>
int test_bit_scan_forward(int a) {
Index: cfe/trunk/lib/Headers/immintrin.h
===================================================================
--- cfe/trunk/lib/Headers/immintrin.h
+++ cfe/trunk/lib/Headers/immintrin.h
@@ -212,6 +212,15 @@
return __builtin_ia32_rdrand32_step(__p);
}
+#ifdef __x86_64__
+static __inline__ int __attribute__((__always_inline__, __nodebug__, __target__("rdrnd")))
+_rdrand64_step(unsigned long long *__p)
+{
+ return __builtin_ia32_rdrand64_step(__p);
+}
+#endif
+#endif /* __RDRND__ */
+
/* __bit_scan_forward */
static __inline__ int __attribute__((__always_inline__, __nodebug__))
_bit_scan_forward(int __A) {
@@ -224,15 +233,6 @@
return 31 - __builtin_clz(__A);
}
-#ifdef __x86_64__
-static __inline__ int __attribute__((__always_inline__, __nodebug__, __target__("rdrnd")))
-_rdrand64_step(unsigned long long *__p)
-{
- return __builtin_ia32_rdrand64_step(__p);
-}
-#endif
-#endif /* __RDRND__ */
-
#if !defined(_MSC_VER) || __has_feature(modules) || defined(__FSGSBASE__)
#ifdef __x86_64__
static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__, __target__("fsgsbase")))
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