procyberian/gcc
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

gccrs: add powi intrinsics

Browse source 
gcc/rust/ChangeLog:

	* backend/rust-builtins.cc
	(BuiltinsContext::register_rust_mappings): Add powi and reformat.
	* backend/rust-builtins.h: Add missing copyright header.

gcc/testsuite/ChangeLog:

	* rust/compile/torture/intrinsics-math.rs: Adjust pow test, add
	test for powi.

Signed-off-by: Marc Poulhiès <dkm@kataplop.net>
This commit is contained in:
Marc Poulhiès 2023-10-22 18:52:22 +02:00 • committed by Arthur Cohen
parent 6c6e357b17
commit d7dde4ba49
3 changed files with 39 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

30
gcc/rust/backend/rust-builtins.cc
View file

@ -285,46 +285,70 @@ void
BuiltinsContext::register_rust_mappings ()
{
rust_intrinsic_to_gcc_builtin = {
{"sinf32", "__builtin_sinf"},
{"sqrtf32", "__builtin_sqrtf"},
{"sqrtf64", "__builtin_sqrt"},
{"unreachable", "__builtin_unreachable"},
{"abort", "__builtin_abort"},
// Math intrinsics
{"sqrtf32", "__builtin_sqrtf"},
{"sqrtf64", "__builtin_sqrt"},
{"sinf32", "__builtin_sinf"},
{"sinf64", "__builtin_sin"},
{"cosf32", "__builtin_cosf"},
{"cosf64", "__builtin_cos"},
{"powf32", "__builtin_powf"},
{"powf64", "__builtin_pow"},
{"powif32", "__builtin_powif"},
{"powif64", "__builtin_powi"},
{"expf32", "__builtin_expf"},
{"expf64", "__builtin_exp"},
{"exp2f32", "__builtin_exp2f"},
{"exp2f64", "__builtin_exp2"},
{"logf32", "__builtin_logf"},
{"logf64", "__builtin_log"},
{"log10f32", "__builtin_log10f"},
{"log10f64", "__builtin_log10"},
{"log2f32", "__builtin_log2f"},
{"log2f64", "__builtin_log2"},
{"fmaf32", "__builtin_fmaf"},
{"fmaf64", "__builtin_fma"},
{"fabsf32", "__builtin_fabsf"},
{"fabsf64", "__builtin_fabs"},
{"minnumf32", "__builtin_fminf"},
{"minnumf64", "__builtin_fmin"},
{"maxnumf32", "__builtin_fmaxf"},
{"maxnumf64", "__builtin_fmax"},
{"copysignf32", "__builtin_copysignf"},
{"copysignf64", "__builtin_copysign"},
{"floorf32", "__builtin_floorf"},
{"floorf64", "__builtin_floor"},
{"ceilf32", "__builtin_ceilf"},
{"ceilf64", "__builtin_ceil"},
{"truncf32", "__builtin_truncf"},
{"truncf64", "__builtin_trunc"},
{"rintf32", "__builtin_rintf"},
{"rintf64", "__builtin_rint"},
{"nearbyintf32", "__builtin_nearbyintf"},
{"nearbyintf64", "__builtin_nearbyint"},
{"roundf32", "__builtin_roundf"},
{"roundf64", "__builtin_round"},
};

2
gcc/rust/backend/rust-builtins.h
View file

@ -1,3 +1,5 @@
// Copyright (C) 2020-2024 Free Software Foundation, Inc.
// This file is part of GCC.
// GCC is free software; you can redistribute it and/or modify it under

12
gcc/testsuite/rust/compile/torture/intrinsics-math.rs
View file

@ -14,6 +14,9 @@ extern "rust-intrinsic" {
pub fn powf32(a: f32, x: f32) -> f32;
pub fn powf64(a: f64, x: f64) -> f64;
pub fn powif32(a: f32, x: i32) -> f32;
pub fn powif64(a: f64, x: i32) -> f64;
pub fn expf32(x: f32) -> f32;
pub fn expf64(x: f64) -> f64;
@ -84,9 +87,14 @@ fn main() {
// { dg-final { scan-tree-dump-times {(?n)f64 .* __builtin_cos.? \(.*6\.0e\+0\);$} 1 original } }
f32 = powf32(7f32, 8f32);
// { dg-final { scan-tree-dump-times {(?n)f32 .* __builtin_pow. \(.*7\.0e\+0, .*8\.0e\+0\);$} 1 original } }
// { dg-final { scan-tree-dump-times {(?n)f32 .* __builtin_pow[^i] \(.*7\.0e\+0, .*8\.0e\+0\);$} 1 original } }
f64 = powf64(9f64, 10f64);
// { dg-final { scan-tree-dump-times {(?n)f64 .* __builtin_pow.? \(.*9\.0e\+0, .*1\.0e\+1\);$} 1 original } }
// { dg-final { scan-tree-dump-times {(?n)f64 .* __builtin_pow[^i]? \(.*9\.0e\+0, .*1\.0e\+1\);$} 1 original } }
f32 = powif32(7f32, 8i32);
// { dg-final { scan-tree-dump-times {(?n)f32 .* __builtin_powi. \(.*7\.0e\+0, .*8\);$} 1 original } }
f64 = powif64(9f64, 10i32);
// { dg-final { scan-tree-dump-times {(?n)f64 .* __builtin_powi.? \(.*9\.0e\+0, .*10\);$} 1 original } }
f32 = expf32(11f32);
// { dg-final { scan-tree-dump-times {(?n)f32 .* __builtin_exp. \(.*1\.1e\+1\);$} 1 original } }