mirror of
https://github.com/rust-lang/rust.git
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92b1e8454d
The repo will soon have `libm` as a top-level crate, so make it clear that this is only the test crate for `compiler-builtins`.
689 lines
16 KiB
Rust
689 lines
16 KiB
Rust
#![allow(improper_ctypes)]
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#![cfg_attr(f128_enabled, feature(f128))]
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use builtins_test::float_bench;
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use compiler_builtins::float::conv;
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use criterion::{Criterion, criterion_main};
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/* unsigned int -> float */
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float_bench! {
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name: conv_u32_f32,
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sig: (a: u32) -> f32,
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crate_fn: conv::__floatunsisf,
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sys_fn: __floatunsisf,
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sys_available: all(),
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asm: [
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#[cfg(target_arch = "x86_64")] {
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let ret: f32;
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asm!(
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"mov {tmp:e}, {a:e}",
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"cvtsi2ss {ret}, {tmp}",
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a = in(reg) a,
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tmp = out(reg) _,
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ret = lateout(xmm_reg) 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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#[cfg(target_arch = "aarch64")] {
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let ret: f32;
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asm!(
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"ucvtf {ret:s}, {a:w}",
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a = in(reg) 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: conv_u32_f64,
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sig: (a: u32) -> f64,
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crate_fn: conv::__floatunsidf,
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sys_fn: __floatunsidf,
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sys_available: all(),
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asm: [
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#[cfg(target_arch = "x86_64")] {
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let ret: f64;
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asm!(
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"mov {tmp:e}, {a:e}",
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"cvtsi2sd {ret}, {tmp}",
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a = in(reg) a,
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tmp = out(reg) _,
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ret = lateout(xmm_reg) 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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#[cfg(target_arch = "aarch64")] {
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let ret: f64;
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asm!(
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"ucvtf {ret:d}, {a:w}",
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a = in(reg) 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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#[cfg(f128_enabled)]
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float_bench! {
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name: conv_u32_f128,
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sig: (a: u32) -> f128,
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crate_fn: conv::__floatunsitf,
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crate_fn_ppc: conv::__floatunsikf,
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sys_fn: __floatunsitf,
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sys_fn_ppc: __floatunsikf,
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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: conv_u64_f32,
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sig: (a: u64) -> f32,
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crate_fn: conv::__floatundisf,
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sys_fn: __floatundisf,
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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: f32;
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asm!(
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"ucvtf {ret:s}, {a:x}",
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a = in(reg) 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: conv_u64_f64,
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sig: (a: u64) -> f64,
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crate_fn: conv::__floatundidf,
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sys_fn: __floatundidf,
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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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"ucvtf {ret:d}, {a:x}",
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a = in(reg) 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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#[cfg(f128_enabled)]
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float_bench! {
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name: conv_u64_f128,
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sig: (a: u64) -> f128,
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crate_fn: conv::__floatunditf,
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crate_fn_ppc: conv::__floatundikf,
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sys_fn: __floatunditf,
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sys_fn_ppc: __floatundikf,
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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: conv_u128_f32,
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sig: (a: u128) -> f32,
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crate_fn: conv::__floatuntisf,
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sys_fn: __floatuntisf,
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sys_available: all(),
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asm: []
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}
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float_bench! {
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name: conv_u128_f64,
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sig: (a: u128) -> f64,
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crate_fn: conv::__floatuntidf,
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sys_fn: __floatuntidf,
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sys_available: all(),
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asm: []
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}
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#[cfg(f128_enabled)]
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float_bench! {
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name: conv_u128_f128,
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sig: (a: u128) -> f128,
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crate_fn: conv::__floatuntitf,
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crate_fn_ppc: conv::__floatuntikf,
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sys_fn: __floatuntitf,
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sys_fn_ppc: __floatuntikf,
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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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/* signed int -> float */
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float_bench! {
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name: conv_i32_f32,
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sig: (a: i32) -> f32,
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crate_fn: conv::__floatsisf,
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sys_fn: __floatsisf,
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sys_available: all(),
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asm: [
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#[cfg(target_arch = "x86_64")] {
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let ret: f32;
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asm!(
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"cvtsi2ss {ret}, {a:e}",
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a = in(reg) a,
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ret = lateout(xmm_reg) 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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#[cfg(target_arch = "aarch64")] {
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let ret: f32;
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asm!(
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"scvtf {ret:s}, {a:w}",
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a = in(reg) 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: conv_i32_f64,
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sig: (a: i32) -> f64,
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crate_fn: conv::__floatsidf,
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sys_fn: __floatsidf,
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sys_available: all(),
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asm: [
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#[cfg(target_arch = "x86_64")] {
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let ret: f64;
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asm!(
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"cvtsi2sd {ret}, {a:e}",
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a = in(reg) a,
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ret = lateout(xmm_reg) 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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#[cfg(target_arch = "aarch64")] {
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let ret: f64;
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asm!(
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"scvtf {ret:d}, {a:w}",
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a = in(reg) 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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#[cfg(f128_enabled)]
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float_bench! {
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name: conv_i32_f128,
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sig: (a: i32) -> f128,
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crate_fn: conv::__floatsitf,
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crate_fn_ppc: conv::__floatsikf,
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sys_fn: __floatsitf,
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sys_fn_ppc: __floatsikf,
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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: conv_i64_f32,
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sig: (a: i64) -> f32,
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crate_fn: conv::__floatdisf,
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sys_fn: __floatdisf,
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sys_available: all(),
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asm: [
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#[cfg(target_arch = "x86_64")] {
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let ret: f32;
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asm!(
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"cvtsi2ss {ret}, {a:r}",
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a = in(reg) a,
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ret = lateout(xmm_reg) 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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#[cfg(target_arch = "aarch64")] {
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let ret: f32;
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asm!(
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"scvtf {ret:s}, {a:x}",
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a = in(reg) 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: conv_i64_f64,
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sig: (a: i64) -> f64,
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crate_fn: conv::__floatdidf,
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sys_fn: __floatdidf,
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sys_available: all(),
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asm: [
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#[cfg(target_arch = "x86_64")] {
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let ret: f64;
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asm!(
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"cvtsi2sd {ret}, {a:r}",
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a = in(reg) a,
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ret = lateout(xmm_reg) 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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#[cfg(target_arch = "aarch64")] {
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let ret: f64;
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asm!(
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"scvtf {ret:d}, {a:x}",
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a = in(reg) 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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#[cfg(f128_enabled)]
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float_bench! {
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name: conv_i64_f128,
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sig: (a: i64) -> f128,
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crate_fn: conv::__floatditf,
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crate_fn_ppc: conv::__floatdikf,
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sys_fn: __floatditf,
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sys_fn_ppc: __floatdikf,
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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: conv_i128_f32,
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sig: (a: i128) -> f32,
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crate_fn: conv::__floattisf,
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sys_fn: __floattisf,
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sys_available: all(),
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asm: []
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}
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float_bench! {
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name: conv_i128_f64,
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sig: (a: i128) -> f64,
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crate_fn: conv::__floattidf,
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sys_fn: __floattidf,
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sys_available: all(),
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asm: []
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}
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#[cfg(f128_enabled)]
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float_bench! {
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name: conv_i128_f128,
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sig: (a: i128) -> f128,
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crate_fn: conv::__floattitf,
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crate_fn_ppc: conv::__floattikf,
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sys_fn: __floattitf,
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sys_fn_ppc: __floattikf,
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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 -> unsigned int */
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#[cfg(not(all(target_arch = "powerpc64", target_endian = "little")))]
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float_bench! {
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name: conv_f32_u32,
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sig: (a: f32) -> u32,
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crate_fn: conv::__fixunssfsi,
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sys_fn: __fixunssfsi,
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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: u32;
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asm!(
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"fcvtzu {ret:w}, {a:s}",
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a = in(vreg) a,
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ret = lateout(reg) 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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#[cfg(not(all(target_arch = "powerpc64", target_endian = "little")))]
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float_bench! {
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name: conv_f32_u64,
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sig: (a: f32) -> u64,
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crate_fn: conv::__fixunssfdi,
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sys_fn: __fixunssfdi,
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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: u64;
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asm!(
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"fcvtzu {ret:x}, {a:s}",
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a = in(vreg) a,
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ret = lateout(reg) 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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#[cfg(not(all(target_arch = "powerpc64", target_endian = "little")))]
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float_bench! {
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name: conv_f32_u128,
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sig: (a: f32) -> u128,
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crate_fn: conv::__fixunssfti,
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sys_fn: __fixunssfti,
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sys_available: all(),
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asm: []
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}
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float_bench! {
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name: conv_f64_u32,
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sig: (a: f64) -> u32,
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crate_fn: conv::__fixunsdfsi,
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sys_fn: __fixunsdfsi,
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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: u32;
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asm!(
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"fcvtzu {ret:w}, {a:d}",
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a = in(vreg) a,
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ret = lateout(reg) 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: conv_f64_u64,
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sig: (a: f64) -> u64,
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crate_fn: conv::__fixunsdfdi,
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sys_fn: __fixunsdfdi,
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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: u64;
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asm!(
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"fcvtzu {ret:x}, {a:d}",
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a = in(vreg) a,
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ret = lateout(reg) 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: conv_f64_u128,
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sig: (a: f64) -> u128,
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crate_fn: conv::__fixunsdfti,
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sys_fn: __fixunsdfti,
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sys_available: all(),
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asm: []
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}
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#[cfg(f128_enabled)]
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float_bench! {
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name: conv_f128_u32,
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sig: (a: f128) -> u32,
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crate_fn: conv::__fixunstfsi,
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crate_fn_ppc: conv::__fixunskfsi,
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sys_fn: __fixunstfsi,
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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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#[cfg(f128_enabled)]
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float_bench! {
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name: conv_f128_u64,
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sig: (a: f128) -> u64,
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crate_fn: conv::__fixunstfdi,
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crate_fn_ppc: conv::__fixunskfdi,
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sys_fn: __fixunstfdi,
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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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#[cfg(f128_enabled)]
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float_bench! {
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name: conv_f128_u128,
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sig: (a: f128) -> u128,
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crate_fn: conv::__fixunstfti,
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crate_fn_ppc: conv::__fixunskfti,
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sys_fn: __fixunstfti,
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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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|
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/* float -> signed int */
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#[cfg(not(all(target_arch = "powerpc64", target_endian = "little")))]
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float_bench! {
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name: conv_f32_i32,
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sig: (a: f32) -> i32,
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crate_fn: conv::__fixsfsi,
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sys_fn: __fixsfsi,
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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: i32;
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asm!(
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"fcvtzs {ret:w}, {a:s}",
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a = in(vreg) a,
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ret = lateout(reg) 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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#[cfg(not(all(target_arch = "powerpc64", target_endian = "little")))]
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float_bench! {
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name: conv_f32_i64,
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sig: (a: f32) -> i64,
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crate_fn: conv::__fixsfdi,
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sys_fn: __fixsfdi,
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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: i64;
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asm!(
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"fcvtzs {ret:x}, {a:s}",
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a = in(vreg) a,
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ret = lateout(reg) 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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#[cfg(not(all(target_arch = "powerpc64", target_endian = "little")))]
|
|
float_bench! {
|
|
name: conv_f32_i128,
|
|
sig: (a: f32) -> i128,
|
|
crate_fn: conv::__fixsfti,
|
|
sys_fn: __fixsfti,
|
|
sys_available: all(),
|
|
asm: []
|
|
}
|
|
|
|
float_bench! {
|
|
name: conv_f64_i32,
|
|
sig: (a: f64) -> i32,
|
|
crate_fn: conv::__fixdfsi,
|
|
sys_fn: __fixdfsi,
|
|
sys_available: all(),
|
|
asm: [
|
|
#[cfg(target_arch = "aarch64")] {
|
|
let ret: i32;
|
|
asm!(
|
|
"fcvtzs {ret:w}, {a:d}",
|
|
a = in(vreg) a,
|
|
ret = lateout(reg) ret,
|
|
options(nomem, nostack, pure),
|
|
);
|
|
|
|
ret
|
|
};
|
|
],
|
|
}
|
|
|
|
float_bench! {
|
|
name: conv_f64_i64,
|
|
sig: (a: f64) -> i64,
|
|
crate_fn: conv::__fixdfdi,
|
|
sys_fn: __fixdfdi,
|
|
sys_available: all(),
|
|
asm: [
|
|
#[cfg(target_arch = "aarch64")] {
|
|
let ret: i64;
|
|
asm!(
|
|
"fcvtzs {ret:x}, {a:d}",
|
|
a = in(vreg) a,
|
|
ret = lateout(reg) ret,
|
|
options(nomem, nostack, pure),
|
|
);
|
|
|
|
ret
|
|
};
|
|
],
|
|
}
|
|
|
|
float_bench! {
|
|
name: conv_f64_i128,
|
|
sig: (a: f64) -> i128,
|
|
crate_fn: conv::__fixdfti,
|
|
sys_fn: __fixdfti,
|
|
sys_available: all(),
|
|
asm: []
|
|
}
|
|
|
|
#[cfg(f128_enabled)]
|
|
float_bench! {
|
|
name: conv_f128_i32,
|
|
sig: (a: f128) -> i32,
|
|
crate_fn: conv::__fixtfsi,
|
|
crate_fn_ppc: conv::__fixkfsi,
|
|
sys_fn: __fixtfsi,
|
|
sys_available: not(feature = "no-sys-f16-f128-convert"),
|
|
asm: []
|
|
}
|
|
|
|
#[cfg(f128_enabled)]
|
|
float_bench! {
|
|
name: conv_f128_i64,
|
|
sig: (a: f128) -> i64,
|
|
crate_fn: conv::__fixtfdi,
|
|
crate_fn_ppc: conv::__fixkfdi,
|
|
sys_fn: __fixtfdi,
|
|
sys_available: not(feature = "no-sys-f16-f128-convert"),
|
|
asm: []
|
|
}
|
|
|
|
#[cfg(f128_enabled)]
|
|
float_bench! {
|
|
name: conv_f128_i128,
|
|
sig: (a: f128) -> i128,
|
|
crate_fn: conv::__fixtfti,
|
|
crate_fn_ppc: conv::__fixkfti,
|
|
sys_fn: __fixtfti,
|
|
sys_available: not(feature = "no-sys-f16-f128-convert"),
|
|
asm: []
|
|
}
|
|
|
|
pub fn float_conv() {
|
|
let mut criterion = Criterion::default().configure_from_args();
|
|
|
|
conv_u32_f32(&mut criterion);
|
|
conv_u32_f64(&mut criterion);
|
|
conv_u64_f32(&mut criterion);
|
|
conv_u64_f64(&mut criterion);
|
|
conv_u128_f32(&mut criterion);
|
|
conv_u128_f64(&mut criterion);
|
|
conv_i32_f32(&mut criterion);
|
|
conv_i32_f64(&mut criterion);
|
|
conv_i64_f32(&mut criterion);
|
|
conv_i64_f64(&mut criterion);
|
|
conv_i128_f32(&mut criterion);
|
|
conv_i128_f64(&mut criterion);
|
|
conv_f64_u32(&mut criterion);
|
|
conv_f64_u64(&mut criterion);
|
|
conv_f64_u128(&mut criterion);
|
|
conv_f64_i32(&mut criterion);
|
|
conv_f64_i64(&mut criterion);
|
|
conv_f64_i128(&mut criterion);
|
|
|
|
#[cfg(f128_enabled)]
|
|
// FIXME: ppc64le has a sporadic overflow panic in the crate functions
|
|
// <https://github.com/rust-lang/compiler-builtins/issues/617#issuecomment-2125914639>
|
|
#[cfg(not(all(target_arch = "powerpc64", target_endian = "little")))]
|
|
{
|
|
conv_u32_f128(&mut criterion);
|
|
conv_u64_f128(&mut criterion);
|
|
conv_u128_f128(&mut criterion);
|
|
conv_i32_f128(&mut criterion);
|
|
conv_i64_f128(&mut criterion);
|
|
conv_i128_f128(&mut criterion);
|
|
conv_f128_u32(&mut criterion);
|
|
conv_f128_u64(&mut criterion);
|
|
conv_f128_u128(&mut criterion);
|
|
conv_f128_i32(&mut criterion);
|
|
conv_f128_i64(&mut criterion);
|
|
conv_f128_i128(&mut criterion);
|
|
}
|
|
}
|
|
|
|
criterion_main!(float_conv);
|