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Diffstat (limited to 'gcc/doc/extend.texi')
| -rw-r--r-- | gcc/doc/extend.texi | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi index 516ecc2af4e..3fb51ccf4c5 100644 --- a/gcc/doc/extend.texi +++ b/gcc/doc/extend.texi @@ -6788,6 +6788,7 @@ instructions, but allow the compiler to schedule those calls. * X86 Built-in Functions:: * MIPS DSP Built-in Functions:: * MIPS Paired-Single Support:: +* MIPS Loongson Built-in Functions:: * PowerPC AltiVec Built-in Functions:: * SPARC VIS Built-in Functions:: * SPU Built-in Functions:: @@ -8667,6 +8668,132 @@ value is the upper one. The opposite order applies to big-endian targets. For example, the code above will set the lower half of @code{a} to @code{1.5} on little-endian targets and @code{9.1} on big-endian targets. +@node MIPS Loongson Built-in Functions +@subsection 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 @code{loongson.h} header file, +operate on the following 64-bit vector types: + +@itemize +@item @code{uint8x8_t}, a vector of eight unsigned 8-bit integers; +@item @code{uint16x4_t}, a vector of four unsigned 16-bit integers; +@item @code{uint32x2_t}, a vector of two unsigned 32-bit integers; +@item @code{int8x8_t}, a vector of eight signed 8-bit integers; +@item @code{int16x4_t}, a vector of four signed 16-bit integers; +@item @code{int32x2_t}, a vector of two signed 32-bit integers. +@end itemize + +The intrinsics provided are listed below; each is named after the +machine instruction to which it corresponds, with suffixes added as +appropriate to distinguish intrinsics that expand to the same machine +instruction yet have different argument types. Refer to the architecture +documentation for a description of the functionality of each +instruction. + +@smallexample +int16x4_t packsswh (int32x2_t s, int32x2_t t); +int8x8_t packsshb (int16x4_t s, int16x4_t t); +uint8x8_t packushb (uint16x4_t s, uint16x4_t t); +uint32x2_t paddw_u (uint32x2_t s, uint32x2_t t); +uint16x4_t paddh_u (uint16x4_t s, uint16x4_t t); +uint8x8_t paddb_u (uint8x8_t s, uint8x8_t t); +int32x2_t paddw_s (int32x2_t s, int32x2_t t); +int16x4_t paddh_s (int16x4_t s, int16x4_t t); +int8x8_t paddb_s (int8x8_t s, int8x8_t t); +uint64_t paddd_u (uint64_t s, uint64_t t); +int64_t paddd_s (int64_t s, int64_t t); +int16x4_t paddsh (int16x4_t s, int16x4_t t); +int8x8_t paddsb (int8x8_t s, int8x8_t t); +uint16x4_t paddush (uint16x4_t s, uint16x4_t t); +uint8x8_t paddusb (uint8x8_t s, uint8x8_t t); +uint64_t pandn_ud (uint64_t s, uint64_t t); +uint32x2_t pandn_uw (uint32x2_t s, uint32x2_t t); +uint16x4_t pandn_uh (uint16x4_t s, uint16x4_t t); +uint8x8_t pandn_ub (uint8x8_t s, uint8x8_t t); +int64_t pandn_sd (int64_t s, int64_t t); +int32x2_t pandn_sw (int32x2_t s, int32x2_t t); +int16x4_t pandn_sh (int16x4_t s, int16x4_t t); +int8x8_t pandn_sb (int8x8_t s, int8x8_t t); +uint16x4_t pavgh (uint16x4_t s, uint16x4_t t); +uint8x8_t pavgb (uint8x8_t s, uint8x8_t t); +uint32x2_t pcmpeqw_u (uint32x2_t s, uint32x2_t t); +uint16x4_t pcmpeqh_u (uint16x4_t s, uint16x4_t t); +uint8x8_t pcmpeqb_u (uint8x8_t s, uint8x8_t t); +int32x2_t pcmpeqw_s (int32x2_t s, int32x2_t t); +int16x4_t pcmpeqh_s (int16x4_t s, int16x4_t t); +int8x8_t pcmpeqb_s (int8x8_t s, int8x8_t t); +uint32x2_t pcmpgtw_u (uint32x2_t s, uint32x2_t t); +uint16x4_t pcmpgth_u (uint16x4_t s, uint16x4_t t); +uint8x8_t pcmpgtb_u (uint8x8_t s, uint8x8_t t); +int32x2_t pcmpgtw_s (int32x2_t s, int32x2_t t); +int16x4_t pcmpgth_s (int16x4_t s, int16x4_t t); +int8x8_t pcmpgtb_s (int8x8_t s, int8x8_t t); +uint16x4_t pextrh_u (uint16x4_t s, int field); +int16x4_t pextrh_s (int16x4_t s, int field); +uint16x4_t pinsrh_0_u (uint16x4_t s, uint16x4_t t); +uint16x4_t pinsrh_1_u (uint16x4_t s, uint16x4_t t); +uint16x4_t pinsrh_2_u (uint16x4_t s, uint16x4_t t); +uint16x4_t pinsrh_3_u (uint16x4_t s, uint16x4_t t); +int16x4_t pinsrh_0_s (int16x4_t s, int16x4_t t); +int16x4_t pinsrh_1_s (int16x4_t s, int16x4_t t); +int16x4_t pinsrh_2_s (int16x4_t s, int16x4_t t); +int16x4_t pinsrh_3_s (int16x4_t s, int16x4_t t); +int32x2_t pmaddhw (int16x4_t s, int16x4_t t); +int16x4_t pmaxsh (int16x4_t s, int16x4_t t); +uint8x8_t pmaxub (uint8x8_t s, uint8x8_t t); +int16x4_t pminsh (int16x4_t s, int16x4_t t); +uint8x8_t pminub (uint8x8_t s, uint8x8_t t); +uint8x8_t pmovmskb_u (uint8x8_t s); +int8x8_t pmovmskb_s (int8x8_t s); +uint16x4_t pmulhuh (uint16x4_t s, uint16x4_t t); +int16x4_t pmulhh (int16x4_t s, int16x4_t t); +int16x4_t pmullh (int16x4_t s, int16x4_t t); +int64_t pmuluw (uint32x2_t s, uint32x2_t t); +uint8x8_t pasubub (uint8x8_t s, uint8x8_t t); +uint16x4_t biadd (uint8x8_t s); +uint16x4_t psadbh (uint8x8_t s, uint8x8_t t); +uint16x4_t pshufh_u (uint16x4_t dest, uint16x4_t s, uint8_t order); +int16x4_t pshufh_s (int16x4_t dest, int16x4_t s, uint8_t order); +uint16x4_t psllh_u (uint16x4_t s, uint8_t amount); +int16x4_t psllh_s (int16x4_t s, uint8_t amount); +uint32x2_t psllw_u (uint32x2_t s, uint8_t amount); +int32x2_t psllw_s (int32x2_t s, uint8_t amount); +uint16x4_t psrlh_u (uint16x4_t s, uint8_t amount); +int16x4_t psrlh_s (int16x4_t s, uint8_t amount); +uint32x2_t psrlw_u (uint32x2_t s, uint8_t amount); +int32x2_t psrlw_s (int32x2_t s, uint8_t amount); +uint16x4_t psrah_u (uint16x4_t s, uint8_t amount); +int16x4_t psrah_s (int16x4_t s, uint8_t amount); +uint32x2_t psraw_u (uint32x2_t s, uint8_t amount); +int32x2_t psraw_s (int32x2_t s, uint8_t amount); +uint32x2_t psubw_u (uint32x2_t s, uint32x2_t t); +uint16x4_t psubh_u (uint16x4_t s, uint16x4_t t); +uint8x8_t psubb_u (uint8x8_t s, uint8x8_t t); +int32x2_t psubw_s (int32x2_t s, int32x2_t t); +int16x4_t psubh_s (int16x4_t s, int16x4_t t); +int8x8_t psubb_s (int8x8_t s, int8x8_t t); +uint64_t psubd_u (uint64_t s, uint64_t t); +int64_t psubd_s (int64_t s, int64_t t); +int16x4_t psubsh (int16x4_t s, int16x4_t t); +int8x8_t psubsb (int8x8_t s, int8x8_t t); +uint16x4_t psubush (uint16x4_t s, uint16x4_t t); +uint8x8_t psubusb (uint8x8_t s, uint8x8_t t); +uint32x2_t punpckhwd_u (uint32x2_t s, uint32x2_t t); +uint16x4_t punpckhhw_u (uint16x4_t s, uint16x4_t t); +uint8x8_t punpckhbh_u (uint8x8_t s, uint8x8_t t); +int32x2_t punpckhwd_s (int32x2_t s, int32x2_t t); +int16x4_t punpckhhw_s (int16x4_t s, int16x4_t t); +int8x8_t punpckhbh_s (int8x8_t s, int8x8_t t); +uint32x2_t punpcklwd_u (uint32x2_t s, uint32x2_t t); +uint16x4_t punpcklhw_u (uint16x4_t s, uint16x4_t t); +uint8x8_t punpcklbh_u (uint8x8_t s, uint8x8_t t); +int32x2_t punpcklwd_s (int32x2_t s, int32x2_t t); +int16x4_t punpcklhw_s (int16x4_t s, int16x4_t t); +int8x8_t punpcklbh_s (int8x8_t s, int8x8_t t); +@end smallexample + @menu * Paired-Single Arithmetic:: * Paired-Single Built-in Functions:: |