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Port EIGEN_OPTIMIZATION_BARRIER to soft float arm

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David Gao 2022-01-20 00:44:17 +00:00 committed by Antonio Sánchez
parent 937c3d73cb
commit fb05198bdd
1 changed files with 11 additions and 5 deletions
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16
Eigen/src/Core/util/Macros.h
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@ -1002,11 +1002,17 @@ namespace Eigen {
// General, Altivec, VSX.
#define EIGEN_OPTIMIZATION_BARRIER(X) __asm__ ("" : "+r,v,wa" (X));
#elif EIGEN_ARCH_ARM_OR_ARM64
// General, NEON.
// Clang doesn't like "r",
// error: non-trivial scalar-to-vector conversion, possible invalid
// constraint for vector typ
#define EIGEN_OPTIMIZATION_BARRIER(X) __asm__ ("" : "+g,w" (X));
#ifdef __ARM_FP
// General, VFP or NEON.
// Clang doesn't like "r",
// error: non-trivial scalar-to-vector conversion, possible invalid
// constraint for vector typ
#define EIGEN_OPTIMIZATION_BARRIER(X) __asm__ ("" : "+g,w" (X));
#else
// Arm without VFP or NEON.
// "w" constraint will not compile.
#define EIGEN_OPTIMIZATION_BARRIER(X) __asm__ ("" : "+g" (X));
#endif
#elif EIGEN_ARCH_i386_OR_x86_64
// General, SSE.
#define EIGEN_OPTIMIZATION_BARRIER(X) __asm__ ("" : "+g,x" (X));