# X86.Fma > FMA intrinsics ## Definition * **Type:** Class * **Namespace:** [Unity.Burst.Intrinsics](/engine/6000.7/script-reference/unity/burst/intrinsics.md) * **Assembly:** UnityEngine.BurstModule ```csharp public static class X86.Fma ``` ## Static Properties | Property | Description | | -------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------ | | [IsFmaSupported](/engine/6000.7/script-reference/unity/burst/intrinsics/x86/fma/isfmasupported.md) | Evaluates to true at compile time if FMA intrinsics are supported. | ## Static Methods | Method | Description | | ---------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | [fmadd\_pd](/engine/6000.7/script-reference/unity/burst/intrinsics/x86/fma/fmadd-pd.md) | Multiply packed double-precision (64-bit) floating-point elements in a and b, add the intermediate result to packed elements in c, and store the results in dst. | | [fmadd\_ps](/engine/6000.7/script-reference/unity/burst/intrinsics/x86/fma/fmadd-ps.md) | Multiply packed single-precision (32-bit) floating-point elements in a and b, add the intermediate result to packed elements in c, and store the results in dst. | | [fmadd\_sd](/engine/6000.7/script-reference/unity/burst/intrinsics/x86/fma/fmadd-sd.md) | Multiply the lower double-precision (64-bit) floating-point elements in a and b, and add the intermediate result to the lower element in c. Store the result in the lower element of dst, and copy the upper element from a to the upper element of dst. | | [fmadd\_ss](/engine/6000.7/script-reference/unity/burst/intrinsics/x86/fma/fmadd-ss.md) | Multiply the lower single-precision (32-bit) floating-point elements in a and b, and add the intermediate result to the lower element in c. Store the result in the lower element of dst, and copy the upper 3 packed elements from a to the upper elements of dst. | | [fmaddsub\_pd](/engine/6000.7/script-reference/unity/burst/intrinsics/x86/fma/fmaddsub-pd.md) | Multiply packed double-precision (64-bit) floating-point elements in a and b, alternatively add and subtract packed elements in c to/from the intermediate result, and store the results in dst. | | [fmaddsub\_ps](/engine/6000.7/script-reference/unity/burst/intrinsics/x86/fma/fmaddsub-ps.md) | Multiply packed single-precision (32-bit) floating-point elements in a and b, alternatively add and subtract packed elements in c to/from the intermediate result, and store the results in dst. | | [fmsub\_pd](/engine/6000.7/script-reference/unity/burst/intrinsics/x86/fma/fmsub-pd.md) | Multiply packed double-precision (64-bit) floating-point elements in a and b, subtract packed elements in c from the intermediate result, and store the results in dst. | | [fmsub\_ps](/engine/6000.7/script-reference/unity/burst/intrinsics/x86/fma/fmsub-ps.md) | Multiply packed single-precision (32-bit) floating-point elements in a and b, subtract packed elements in c from the intermediate result, and store the results in dst. | | [fmsub\_sd](/engine/6000.7/script-reference/unity/burst/intrinsics/x86/fma/fmsub-sd.md) | Multiply the lower double-precision(64-bit) floating-point elements in a and b, and subtract the lower element in c from the intermediate result.Store the result in the lower element of dst, and copy the upper element from a to the upper element of dst. | | [fmsub\_ss](/engine/6000.7/script-reference/unity/burst/intrinsics/x86/fma/fmsub-ss.md) | Multiply the lower single-precision (32-bit) floating-point elements in a and b, and subtract the lower element in c from the intermediate result. Store the result in the lower element of dst, and copy the upper 3 packed elements from a to the upper elements of dst. | | [fmsubadd\_pd](/engine/6000.7/script-reference/unity/burst/intrinsics/x86/fma/fmsubadd-pd.md) | Multiply packed double-precision (64-bit) floating-point elements in a and b, alternatively subtract and add packed elements in c to/from the intermediate result, and store the results in dst. | | [fmsubadd\_ps](/engine/6000.7/script-reference/unity/burst/intrinsics/x86/fma/fmsubadd-ps.md) | Multiply packed single-precision (32-bit) floating-point elements in a and b, alternatively subtract and add packed elements in c to/from the intermediate result, and store the results in dst. | | [fnmadd\_pd](/engine/6000.7/script-reference/unity/burst/intrinsics/x86/fma/fnmadd-pd.md) | Multiply packed double-precision (64-bit) floating-point elements in a and b, add the negated intermediate result to packed elements in c, and store the results in dst. | | [fnmadd\_ps](/engine/6000.7/script-reference/unity/burst/intrinsics/x86/fma/fnmadd-ps.md) | Multiply packed single-precision (32-bit) floating-point elements in a and b, add the negated intermediate result to packed elements in c, and store the results in dst. | | [fnmadd\_sd](/engine/6000.7/script-reference/unity/burst/intrinsics/x86/fma/fnmadd-sd.md) | Multiply the lower double-precision (64-bit) floating-point elements in a and b, and add the negated intermediate result to the lower element in c. Store the result in the lower element of dst, and copy the upper element from a to the upper element of dst. | | [fnmadd\_ss](/engine/6000.7/script-reference/unity/burst/intrinsics/x86/fma/fnmadd-ss.md) | Multiply the lower single-precision (32-bit) floating-point elements in a and b, and add the negated intermediate result to the lower element in c. Store the result in the lower element of dst, and copy the upper 3 packed elements from a to the upper elements of dst. | | [fnmsub\_pd](/engine/6000.7/script-reference/unity/burst/intrinsics/x86/fma/fnmsub-pd.md) | Multiply packed double-precision (64-bit) floating-point elements in a and b, subtract packed elements in c from the negated intermediate result, and store the results in dst. | | [fnmsub\_ps](/engine/6000.7/script-reference/unity/burst/intrinsics/x86/fma/fnmsub-ps.md) | Multiply packed single-precision (32-bit) floating-point elements in a and b, subtract packed elements in c from the negated intermediate result, and store the results in dst. | | [fnmsub\_sd](/engine/6000.7/script-reference/unity/burst/intrinsics/x86/fma/fnmsub-sd.md) | Multiply the lower double-precision(64-bit) floating-point elements in a and b, and subtract the lower element in c from the negated intermediate result.Store the result in the lower element of dst, and copy the upper element from a to the upper element of dst. | | [fnmsub\_ss](/engine/6000.7/script-reference/unity/burst/intrinsics/x86/fma/fnmsub-ss.md) | Multiply the lower single-precision (32-bit) floating-point elements in a and b, and subtract the lower element in c from the negated intermediate result. Store the result in the lower element of dst, and copy the upper 3 packed elements from a to the upper elements of dst. | | [mm256\_fmadd\_pd](/engine/6000.7/script-reference/unity/burst/intrinsics/x86/fma/mm256-fmadd-pd.md) | Multiply packed double-precision (64-bit) floating-point elements in a and b, add the intermediate result to packed elements in c, and store the results in dst. | | [mm256\_fmadd\_ps](/engine/6000.7/script-reference/unity/burst/intrinsics/x86/fma/mm256-fmadd-ps.md) | Multiply packed single-precision (32-bit) floating-point elements in a and b, add the intermediate result to packed elements in c, and store the results in dst. | | [mm256\_fmaddsub\_pd](/engine/6000.7/script-reference/unity/burst/intrinsics/x86/fma/mm256-fmaddsub-pd.md) | Multiply packed double-precision (64-bit) floating-point elements in a and b, alternatively add and subtract packed elements in c to/from the intermediate result, and store the results in dst. | | [mm256\_fmaddsub\_ps](/engine/6000.7/script-reference/unity/burst/intrinsics/x86/fma/mm256-fmaddsub-ps.md) | Multiply packed single-precision (32-bit) floating-point elements in a and b, alternatively add and subtract packed elements in c to/from the intermediate result, and store the results in dst. | | [mm256\_fmsub\_pd](/engine/6000.7/script-reference/unity/burst/intrinsics/x86/fma/mm256-fmsub-pd.md) | Multiply packed double-precision (64-bit) floating-point elements in a and b, subtract packed elements in c from the intermediate result, and store the results in dst. | | [mm256\_fmsub\_ps](/engine/6000.7/script-reference/unity/burst/intrinsics/x86/fma/mm256-fmsub-ps.md) | Multiply packed single-precision (32-bit) floating-point elements in a and b, subtract packed elements in c from the intermediate result, and store the results in dst. | | [mm256\_fmsubadd\_pd](/engine/6000.7/script-reference/unity/burst/intrinsics/x86/fma/mm256-fmsubadd-pd.md) | Multiply packed double-precision (64-bit) floating-point elements in a and b, alternatively subtract and add packed elements in c to/from the intermediate result, and store the results in dst. | | [mm256\_fmsubadd\_ps](/engine/6000.7/script-reference/unity/burst/intrinsics/x86/fma/mm256-fmsubadd-ps.md) | Multiply packed single-precision (32-bit) floating-point elements in a and b, alternatively subtract and add packed elements in c to/from the intermediate result, and store the results in dst. | | [mm256\_fnmadd\_pd](/engine/6000.7/script-reference/unity/burst/intrinsics/x86/fma/mm256-fnmadd-pd.md) | Multiply packed double-precision (64-bit) floating-point elements in a and b, add the negated intermediate result to packed elements in c, and store the results in dst. | | [mm256\_fnmadd\_ps](/engine/6000.7/script-reference/unity/burst/intrinsics/x86/fma/mm256-fnmadd-ps.md) | Multiply packed single-precision (32-bit) floating-point elements in a and b, add the negated intermediate result to packed elements in c, and store the results in dst. | | [mm256\_fnmsub\_pd](/engine/6000.7/script-reference/unity/burst/intrinsics/x86/fma/mm256-fnmsub-pd.md) | Multiply packed double-precision (64-bit) floating-point elements in a and b, subtract packed elements in c from the negated intermediate result, and store the results in dst. | | [mm256\_fnmsub\_ps](/engine/6000.7/script-reference/unity/burst/intrinsics/x86/fma/mm256-fnmsub-ps.md) | Multiply packed single-precision (32-bit) floating-point elements in a and b, subtract packed elements in c from the negated intermediate result, and store the results in dst. |