GCC 6
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6.59.14. MIPS Loongson Built-in Functions

6.59.14 MIPS Loongson Built-in Functions

GCC provides intrinsics to access the SIMD instructions provided by the ST Microelectronics Loongson-2E and -2F processors. These intrinsics, available after inclusion of the loongson.h header file, operate on the following 64-bit vector types:

  • uint8x8_t, a vector of eight unsigned 8-bit integers;
  • uint16x4_t, a vector of four unsigned 16-bit integers;
  • uint32x2_t, a vector of two unsigned 32-bit integers;
  • int8x8_t, a vector of eight signed 8-bit integers;
  • int16x4_t, a vector of four signed 16-bit integers;
  • int32x2_t, a vector of two signed 32-bit integers.

The intrinsics provided are listed below; each is named after the machine instruction to which it corresponds, with suffixes added as appropriate to