mmx unit

Access to MMX processor functionality.

This document describes the MMX unit. This unit allows you to use the MMX capabilities of the Free Pascal compiler. It was written by Florian Klaempfl for the I386 processor. It should work on all platforms that use the Intel processor.

Procedures and functions

`emms`	procedure	Reset floating point registers.
`femms`	procedure	Reset floating point registers - AMD version.

Types

`pmmxbyte`	type	Pointer to array type.
`pmmxcardinal`	type	Pointer to array type.
`pmmxinteger`	type	Pointer to array type.
`pmmxlongint`	type	Pointer to array type.
`pmmxshortint`	type	Pointer to array type.
`pmmxsingle`	type	Pointer to array type.
`pmmxword`	type	Pointer to array type.
`tmmxbyte`	type	Array of bytes, 64 bits in size.
`tmmxcardinal`	type	Array of cardinals, 64 bits in size.
`tmmxinteger`	type	Array of integers, 64 bits in size.
`tmmxlongint`	type	Array of longint, 64 bits in size.
`tmmxshortint`	type	Array of shortints, 64 bits in size.
`tmmxsingle`	type	Array of singles, 64 bits in size.
`tmmxword`	type	Array of words, 64 bits in size.

Constants

`is_amd_3d_cpu`	constant	Is the current processor equipped with a AMD 3D CPU.
`is_amd_3d_dsp_cpu`	constant	Is the current processor equipped with a AMD 3D DSP CPU.
`is_amd_3d_mmx_cpu`	constant	Is the current processor equipped with a AMD 3D MMX CPU.
`is_mmx_cpu`	constant	Is the current processor equipped with a MMX capable CPU.
`is_sse_cpu`	constant	Is the current processor equipped with a SSE CPU.
`is_sse2_cpu`	constant	Is the current processor equipped with a SSE2 CPU.

An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.