94 lines
2.2 KiB
Rust
94 lines
2.2 KiB
Rust
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#![allow(unused_variables)] // "unused" f16 registers
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#![feature(f128)]
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#![feature(f16)]
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use compiler_builtins::float::extend;
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use criterion::{criterion_group, criterion_main, Criterion};
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use testcrate::float_bench;
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float_bench! {
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name: extend_f16_f32,
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sig: (a: f16) -> f32,
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crate_fn: extend::__extendhfsf2,
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sys_fn: __extendhfsf2,
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sys_available: not(feature = "no-sys-f16"),
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asm: [
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#[cfg(target_arch = "aarch64")] {
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// FIXME(f16_f128): remove `to_bits()` after f16 asm support (rust-lang/rust/#116909)
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let ret: f32;
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asm!(
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"fcvt {ret:s}, {a:h}",
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a = in(vreg) a.to_bits(),
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ret = lateout(vreg) ret,
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options(nomem, nostack, pure),
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);
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ret
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};
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],
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}
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float_bench! {
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name: extend_f16_f128,
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sig: (a: f16) -> f128,
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crate_fn: extend::__extendhftf2,
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crate_fn_ppc: extend::__extendhfkf2,
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sys_fn: __extendhftf2,
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sys_fn_ppc: __extendhfkf2,
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sys_available: not(feature = "no-sys-f16-f128-convert"),
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asm: [],
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}
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float_bench! {
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name: extend_f32_f64,
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sig: (a: f32) -> f64,
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crate_fn: extend::__extendsfdf2,
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sys_fn: __extendsfdf2,
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sys_available: all(),
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asm: [
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#[cfg(target_arch = "aarch64")] {
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let ret: f64;
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asm!(
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"fcvt {ret:d}, {a:s}",
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a = in(vreg) a,
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ret = lateout(vreg) ret,
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options(nomem, nostack, pure),
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);
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ret
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};
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],
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}
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float_bench! {
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name: extend_f32_f128,
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sig: (a: f32) -> f128,
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crate_fn: extend::__extendsftf2,
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crate_fn_ppc: extend::__extendsfkf2,
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sys_fn: __extendsftf2,
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sys_fn_ppc: __extendsfkf2,
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sys_available: not(feature = "no-sys-f128"),
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asm: [],
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}
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float_bench! {
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name: extend_f64_f128,
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sig: (a: f64) -> f128,
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crate_fn: extend::__extenddftf2,
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crate_fn_ppc: extend::__extenddfkf2,
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sys_fn: __extenddftf2,
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sys_fn_ppc: __extenddfkf2,
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sys_available: not(feature = "no-sys-f128"),
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asm: [],
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}
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criterion_group!(
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float_extend,
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extend_f16_f32,
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extend_f16_f128,
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extend_f32_f64,
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extend_f32_f128,
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extend_f64_f128,
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);
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criterion_main!(float_extend);
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