__qsub in core::arch::arm - Rust
Description: Signed saturating subtraction

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## __qsub

# Function __qsub

Source

    pub unsafe fn __qsub(a: i32, b: i32) -> i32

🔬This is a nightly-only experimental API. (`stdarch_arm_dsp` #117237)
Available on ARM and (target feature `v5te` and non-target feature `mclass`, or target features `mclass` and `dsp`) only.
Expand description

Signed saturating subtraction

Returns the 32-bit saturating signed equivalent of a - b. Sets the Q flag if saturation occurs.