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[X86] Add __extension__ to f16c macro intrinsics to suppress warnings about compound literals when compiled for with earlier language standards enabled. 

Fixes PR32491.

llvm-svn: 299321
This commit is contained in:
Craig Topper 2017-04-02 03:02:53 +00:00
parent 68a3ed2e1b
commit ce272ae2c5
1 changed files with 5 additions and 5 deletions
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10
clang/lib/Headers/f16cintrin.h
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@ -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.