https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116708
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- msse4.1 Target Mask(ISA_SSE4_1) Var(ix86_isa_flags) Save Support MMX, SSE, SSE2, SSE3, SSSE3 and SSE4.1 built-in functions and code generation. msse4.2 Target Mask(ISA_SSE4_2) Var(ix86_isa_flags) Save Support MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1 and SSE4.2 built-in functions and code generation. msse4 Target RejectNegative Mask(ISA_SSE4_2) Var(ix86_isa_flags) Save Support MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1 and SSE4.2 built-in functions and code generation. mno-sse4 Target RejectNegative InverseMask(ISA_SSE4_1) Var(ix86_isa_flags) Save Do not support SSE4.1 and SSE4.2 built-in functions and code generation.
