march

alderlake
amberlake
broadwell
cannonlake
cascadelake
coffeelake
cooperlake
goldmont
goldmont-plus
haswell
icelake-client (or icelake)
icelake-server
ivybridge
kabylake
knl
knm
rocketlake
sandybridge
sapphirerapids
silvermont
skylake
skylake-avx512
tigerlake
tremont
whiskeylake

May generate instructions for processors that support the specified Intel® processor or microarchitecture code name.

Keywords knl and silvermont are only available on Linux* systems.

Keyword icelake is deprecated and may be removed in a future release.

core-avx2

Generates code for processors that support Intel® Advanced Vector Extensions 2 (Intel® AVX2), Intel® AVX, SSE4.2, SSE4.1, SSE3, SSE2, SSE, and SSSE3 instructions.

core-avx-i

Generates code for processors that support Float-16 conversion instructions and the RDRND instruction, Intel® Advanced Vector Extensions (Intel® AVX), Intel® SSE4.2, SSE4.1, SSE3, SSE2, SSE, and SSSE3 instructions.

corei7-avx

Generates code for processors that support Intel® Advanced Vector Extensions (Intel® AVX), Intel® SSE4.2, SSE4.1, SSE3, SSE2, SSE, and SSSE3 instructions.

corei7

Generates code for processors that support Intel® SSE4 Efficient Accelerated String and Text Processing instructions. May also generate code for Intel® SSE4 Vectorizing Compiler and Media Accelerator, Intel® SSE3, SSE2, SSE, and SSSE3 instructions.

atom

Generates code for processors that support MOVBE instructions. May also generate code for SSSE3 instructions and Intel® SSE3, SSE2, and SSE instructions.

core2

Generates code for the Intel® Core™2 processor family.

pentium4m

Generates for Intel® Pentium® 4 processors with MMX technology.

pentium-m
pentium4
pentium3
pentium

Generates code for Intel® Pentium® processors. Value pentium3 is only available on Linux* systems.