C166 User's Guide

EXTMAC Compiler Directive

Abbreviation	None.
Arguments	None.
Default	Support for MAC instructions is not enabled.
µVision	Options — C166 — Misc Controls.
Description	The EXTMAC directive enables support for MAC instructions found on the STMicroelectronics ST10 MAC unit. The MAC unit may increase the performance of multiplication, multiply and accumulate, and memory move operations. MAC instructions can be also used with the Extended Inline Assembly feature of the C166 Compiler.
See Also	ASM, MAC
Example	C166 ST10SAMPLE.C EXTMAC #pragma EXTMAC