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Expose algebraic floating point intrinsics

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This commit is contained in:
Calder Coalson 2025-02-19 12:08:31 -08:00
parent 5cc60728e7
commit 8ff70529f2
15 changed files with 544 additions and 24 deletions
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71
tests/codegen/float_math.rs
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@ -3,7 +3,10 @@
#![crate_type = "lib"]
#![feature(core_intrinsics)]
use std::intrinsics::{fadd_fast, fdiv_fast, fmul_fast, frem_fast, fsub_fast};
use std::intrinsics::{
fadd_algebraic, fadd_fast, fdiv_algebraic, fdiv_fast, fmul_algebraic, fmul_fast,
frem_algebraic, frem_fast, fsub_algebraic, fsub_fast,
};
// CHECK-LABEL: @add
#[no_mangle]
@ -13,30 +16,72 @@ pub fn add(x: f32, y: f32) -> f32 {
x + y
}
// CHECK-LABEL: @addition
// CHECK-LABEL: @test_fadd_algebraic
#[no_mangle]
pub fn addition(x: f32, y: f32) -> f32 {
// CHECK: fadd fast float
pub fn test_fadd_algebraic(x: f32, y: f32) -> f32 {
// CHECK: fadd reassoc nsz arcp contract float %x, %y
fadd_algebraic(x, y)
}
// CHECK-LABEL: @test_fsub_algebraic
#[no_mangle]
pub fn test_fsub_algebraic(x: f32, y: f32) -> f32 {
// CHECK: fsub reassoc nsz arcp contract float %x, %y
fsub_algebraic(x, y)
}
// CHECK-LABEL: @test_fmul_algebraic
#[no_mangle]
pub fn test_fmul_algebraic(x: f32, y: f32) -> f32 {
// CHECK: fmul reassoc nsz arcp contract float %x, %y
fmul_algebraic(x, y)
}
// CHECK-LABEL: @test_fdiv_algebraic
#[no_mangle]
pub fn test_fdiv_algebraic(x: f32, y: f32) -> f32 {
// CHECK: fdiv reassoc nsz arcp contract float %x, %y
fdiv_algebraic(x, y)
}
// CHECK-LABEL: @test_frem_algebraic
#[no_mangle]
pub fn test_frem_algebraic(x: f32, y: f32) -> f32 {
// CHECK: frem reassoc nsz arcp contract float %x, %y
frem_algebraic(x, y)
}
// CHECK-LABEL: @test_fadd_fast
#[no_mangle]
pub fn test_fadd_fast(x: f32, y: f32) -> f32 {
// CHECK: fadd fast float %x, %y
unsafe { fadd_fast(x, y) }
}
// CHECK-LABEL: @subtraction
// CHECK-LABEL: @test_fsub_fast
#[no_mangle]
pub fn subtraction(x: f32, y: f32) -> f32 {
// CHECK: fsub fast float
pub fn test_fsub_fast(x: f32, y: f32) -> f32 {
// CHECK: fsub fast float %x, %y
unsafe { fsub_fast(x, y) }
}
// CHECK-LABEL: @multiplication
// CHECK-LABEL: @test_fmul_fast
#[no_mangle]
pub fn multiplication(x: f32, y: f32) -> f32 {
// CHECK: fmul fast float
pub fn test_fmul_fast(x: f32, y: f32) -> f32 {
// CHECK: fmul fast float %x, %y
unsafe { fmul_fast(x, y) }
}
// CHECK-LABEL: @division
// CHECK-LABEL: @test_fdiv_fast
#[no_mangle]
pub fn division(x: f32, y: f32) -> f32 {
// CHECK: fdiv fast float
pub fn test_fdiv_fast(x: f32, y: f32) -> f32 {
// CHECK: fdiv fast float %x, %y
unsafe { fdiv_fast(x, y) }
}
// CHECK-LABEL: @test_frem_fast
#[no_mangle]
pub fn test_frem_fast(x: f32, y: f32) -> f32 {
// CHECK: frem fast float %x, %y
unsafe { frem_fast(x, y) }
}