Edit

bfrev (sm5 - asm)

  • Article

Reverse a 32-bit number.

bfrev dest[.mask], src0[.swizzle]
Item Description
dest
 [in] The address for src0 with bits reversed.
src0
 [in] The 32-bit number to reverse.

Remarks

For example, given 0x12345678 the result would be 0x1e6a2c48.

This instruction applies to the following shader stages:

Vertex Hull Domain Geometry Pixel Compute
X X X X X X

Minimum Shader Model

This instruction is supported in the following shader models:

Shader Model Supported
Shader Model 5 yes
Shader Model 4.1 no
Shader Model 4 no
Shader Model 3 (DirectX HLSL) no
Shader Model 2 (DirectX HLSL) no
Shader Model 1 (DirectX HLSL) no

Shader Model 5 Assembly (DirectX HLSL)