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machinst x64: implement float Floor/Ceil/Trunc/Nearest as VM calls;

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This commit is contained in:
Benjamin Bouvier
2020-07-21 18:04:33 +02:00
parent 48ec806a9d
commit 694af3aec2
6 changed files with 147 additions and 15 deletions
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11
cranelift/codegen/src/isa/call_conv.rs
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@@ -1,5 +1,4 @@
use crate::isa::TargetIsa;
use crate::settings::LibcallCallConv;
use crate::settings::{self, LibcallCallConv};
use core::fmt;
use core::str;
use target_lexicon::{CallingConvention, Triple};
@@ -39,10 +38,10 @@ impl CallConv {
}
}
/// Returns the calling convention used for libcalls for the given ISA.
pub fn for_libcall(isa: &dyn TargetIsa) -> Self {
match isa.flags().libcall_call_conv() {
LibcallCallConv::IsaDefault => isa.default_call_conv(),
/// Returns the calling convention used for libcalls according to the current flags.
pub fn for_libcall(flags: &settings::Flags, default_call_conv: CallConv) -> Self {
match flags.libcall_call_conv() {
LibcallCallConv::IsaDefault => default_call_conv,
LibcallCallConv::Fast => Self::Fast,
LibcallCallConv::Cold => Self::Cold,
LibcallCallConv::SystemV => Self::SystemV,