v_exp_f16 GPU Native ISA AMD Vector

V EXP F16 Vector Arithmetic

v_exp_f16

Calculate 2 raised to the power of the half-precision float input 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

Per-target GFX compatibility has not yet been verified for this instruction.

1ULP accuracy, denormals are supported.

Related

More in Vector Arithmetic

Reference

AMDGPU / GFX ISA

Semantics

D0.f16 = pow(16'2.0, S0.f16)

Example

V_EXP_F16(0xfc00) => 0x0000     // exp(-INF) = 0
V_EXP_F16(0x8000) => 0x3c00     // exp(-0.0) = 1
V_EXP_F16(0x7c00) => 0x7c00     // exp(+INF) = +INF

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

Sources