v_sqrt_f32 GPU Native ISA AMD Vector

V SQRT F32 Vector Arithmetic

v_sqrt_f32

Calculate the square root of the single-precision float input using IEEE rules and store the result into a vector register.

Encoding

Verified bit-level encoding data is not yet available for this instruction. The instruction-format classification below (VOP1) is well-documented and stable; exact per-target opcode/field bit positions have not yet been imported from a verified source.
Format VOP1
Execution Unit

Operands

Operand details have not yet been curated for this instruction.

GFX Target Compatibility

TargetSupport
gfx1100✅ Supported

1ULP accuracy, denormals are flushed.

Related PTX Concepts

Special-Function Approximation ↗
equivalent with restrictions
rsqrt (PTX)
sin (PTX)
lg2 (PTX)
sqrt (PTX)
rcp (PTX)

Related

More in Vector Arithmetic

Reference

AMDGPU / GFX ISA

Semantics

D0.f32 = sqrt(S0.f32)

Example

V_SQRT_F32(0xff800000) => 0xffc00000     // sqrt(-INF) = NAN
V_SQRT_F32(0x80000000) => 0x80000000     // sqrt(-0.0) = -0
V_SQRT_F32(0x00000000) => 0x00000000     // sqrt(+0.0) = +0
V_SQRT_F32(0x40800000) => 0x40000000     // sqrt(+4.0) = +2.0

Reproduced from AMD's official "AMD Instinct MI300" ISA Reference Guide for technical accuracy.

Sources