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This commit is contained in:
Gael Guennebaud
2010-03-04 18:59:56 +01:00
parent cefd9b8888 0964810fba
commit 7e2683dc39
6 changed files with 38 additions and 23 deletions
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13
Eigen/src/Core/arch/Default/Settings.h
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@@ -62,4 +62,17 @@
#define EIGEN_TUNE_TRIANGULAR_PANEL_WIDTH 8
#endif
/** Defines the default number of registers available for that architecture.
* Currently it must be 8 or 16. Other values will fail.
*/
#ifndef EIGEN_ARCH_DEFAULT_NUMBER_OF_REGISTERS
#if (defined __i386__)
#define EIGEN_ARCH_DEFAULT_NUMBER_OF_REGISTERS 8
#else
#define EIGEN_ARCH_DEFAULT_NUMBER_OF_REGISTERS 16
#endif
#endif
#endif // EIGEN_DEFAULT_SETTINGS_H

6
Eigen/src/Core/arch/NEON/PacketMath.h
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@@ -35,6 +35,12 @@
#define EIGEN_TUNE_FOR_CPU_CACHE_SIZE 4*96*96
#endif
// FIXME NEON has 16 quad registers, but since the current register allocator
// is so bad, it is much better to reduce it to 8
#ifndef EIGEN_ARCH_DEFAULT_NUMBER_OF_REGISTERS
#define EIGEN_ARCH_DEFAULT_NUMBER_OF_REGISTERS 8
#endif
typedef float32x4_t Packet4f;
typedef int32x4_t Packet4i;