Author: ctopper
Date: Sat Apr 1 22:02:53 2017
New Revision: 299321
URL: http://llvm.org/viewvc/llvm-project?rev=299321&view=rev
Log:
[X86] Add __extension__ to f16c macro intrinsics to suppress warnings about
compound literals when compiled for with earlier language standards enabled.
Fixes PR32491.
Modified:
cfe/trunk/lib/Headers/f16cintrin.h
Modified: cfe/trunk/lib/Headers/f16cintrin.h
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Headers/f16cintrin.h?rev=299321&r1=299320&r2=299321&view=diff
==============================================================================
--- cfe/trunk/lib/Headers/f16cintrin.h (original)
+++ cfe/trunk/lib/Headers/f16cintrin.h Sat Apr 1 22:02:53 2017
@@ -72,9 +72,9 @@ _cvtsh_ss(unsigned short __a)
/// 011: Truncate \n
/// 1XX: Use MXCSR.RC for rounding
/// \returns The converted 16-bit half-precision float value.
-#define _cvtss_sh(a, imm) \
- ((unsigned short)(((__v8hi)__builtin_ia32_vcvtps2ph((__v4sf){a, 0, 0, 0}, \
- (imm)))[0]))
+#define _cvtss_sh(a, imm) __extension__ ({ \
+ (unsigned short)(((__v8hi)__builtin_ia32_vcvtps2ph((__v4sf){a, 0, 0, 0}, \
+ (imm)))[0]); })
/// \brief Converts a 128-bit vector containing 32-bit float values into a
/// 128-bit vector containing 16-bit half-precision float values.
@@ -99,8 +99,8 @@ _cvtsh_ss(unsigned short __a)
/// \returns A 128-bit vector containing converted 16-bit half-precision float
/// values. The lower 64 bits are used to store the converted 16-bit
/// half-precision floating-point values.
-#define _mm_cvtps_ph(a, imm) \
- ((__m128i)__builtin_ia32_vcvtps2ph((__v4sf)(__m128)(a), (imm)))
+#define _mm_cvtps_ph(a, imm) __extension__ ({ \
+ (__m128i)__builtin_ia32_vcvtps2ph((__v4sf)(__m128)(a), (imm)); })
/// \brief Converts a 128-bit vector containing 16-bit half-precision float
/// values into a 128-bit vector containing 32-bit float values.
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