The -x (Linux*) or /Qx (Windows*) options target your program to run on a specific Intel® processor. The resulting code might contain unconditional use of features that are not supported on other processors.
Windows* |
Linux* |
Optimizes code for... |
|---|---|---|
|
/QxK |
-xK |
Intel® Pentium® III and compatible Intel processors |
|
/QxW |
-xW |
Intel Pentium 4 and compatible Intel processors |
|
/QxN |
-xN |
Intel Pentium 4 and compatible Intel processors |
|
/QxB |
-xB |
Intel Pentium M and compatible Intel processors |
|
/QxP |
-xP |
Intel® Pentium® 4 processors with Streaming SIMD Extensions 3 (SSE3) instruction support |
For more information about the options listed in the table above, see the following topic:
-x compiler option
The following examples compile an application for Intel Pentium 4 and compatible processors. The resulting binary might not execute correctly on Pentium, Pentium Pro, Pentium II, Pentium III, or Pentium with MMX™ technology processors, or on x86 processors not provided by Intel Corporation.
Platform |
Example |
|---|---|
|
Linux |
ifort -xN prog.f |
|
Windows |
ifort /QxN prog.f |